Advanced Terminal Unit Controller

LIT-12013084

Issued April 2021

© 2021 Johnson Controls 1 Code No. LIT-12013084 www.johnsoncontrols.com

Advanced Terminal Unit Controller

Application Note

Application #3005 This document describes the two-pipe application #3005, which includes features to control the following devices:

Heating valve or cooling valve actuators (on/off)

Two-wire heating with a pulse-width modulation (PWM) option

Variable-speed fan Optional floating fresh-air damper with position adjust output (PAO)

Figure 1: ATC1500

Product range The application described in this document is supported only on the following ATC model:

Table 1: Product range

Type of unit Description Product code

Controller ATC SMART Equipment Controllers

ATC 1500, 240 VAC no display – 4 universal input (UI), 2 binary input (BI), 2 binary output (BO), 4 relay output (RO), and 3 configurable output (CO).

LC-ATC1500-0

Documentation Refer to Johnson Controls Virtual Branch e-Catalog and SMART Equipment Controllers.

https://virtualbranch.johnsoncontrols.com/vb/

https://virtualbranch.johnsoncontrols.com/vb/catalog/Building-Automation-Products/8/SMART-Equipment-Controllers/41498

2 Application #3005

Safety Warnings

WARNING

Risk of Electric Shock

Disconnect or isolate all power supplies before making electrical connections. More than one disconnect or isolation may be required to completely de-energize equipment. Contact with components carrying hazardous voltage can cause electric shock and may result in severe personal injury or death.

Important:

Do not supply power to the controller before finishing wiring and checking all wiring connections. Short circuits or improperly connected wires may damage the controller and void any warranty.

Important:

Do not exceed the controller’s electrical ratings. Exceeding these ratings may permanently damage the controller and void any warranty.

Important:

Use copper conductors only. Make all wiring connections in accordance with local, national, and regional regulations.

Important:

Electrostatic discharge may damage field controller components. Use proper electrostatic discharge precautions during installation, setup, and servicing to avoid damaging the field controller.

Important:

Connect 240 VAC or 230 VAC supply power, depending on model, to the field controller and all other network devices so that transformer phasing is uniform across the network devices. Powering network devices with uniform supply power phasing reduces noise, interference, and ground loop problems. The field controller does not require an earth ground connection.

Application #3005 3

Contents Application #3005 ...................................................................................................................................................... 1

Product range ......................................................................................................................................................... 1

Documentation ....................................................................................................................................................... 1

Safety Warnings ..................................................................................................................................................... 2

Introduction ................................................................................................................................................................ 5

Unit enable mode ................................................................................................................................................... 6

Connection points list #3005 ..................................................................................................................................... 7

Wiring diagram ........................................................................................................................................................... 8

Supply fan control .................................................................................................................................................... 10

Fan thresholds ..................................................................................................................................................... 10

Fan cycling ........................................................................................................................................................... 10

No fan for heating or cooling ................................................................................................................................ 10

Fan override ......................................................................................................................................................... 10

Indoor air quality (IAQ) damper control ................................................................................................................... 11

Temperature control ................................................................................................................................................ 11

On-off valve control .............................................................................................................................................. 12

Supplemental heating .............................................................................................................................................. 12

Occupancy mode determination .............................................................................................................................. 12

Energy indication ..................................................................................................................................................... 13

Commissioning mode .............................................................................................................................................. 15

Binary inputs ............................................................................................................................................................ 15

Network sensors ...................................................................................................................................................... 16

Absolute setpoint and warmer/cooler models of network sensors ...................................................................... 16

Demand control ....................................................................................................................................................... 17

Fault detection and diagnostics (FDD) .................................................................................................................... 18

Alarms and events ............................................................................................................................................... 19

Proportional-Integral-Derivative (PID) tuning .......................................................................................................... 20

Standard and manual tuning ................................................................................................................................ 20

Adaptive tuning .................................................................................................................................................... 20

Summer-winter compensation ................................................................................................................................. 20

Zone temperature setpoint source ....................................................................................................................... 21

Data share ............................................................................................................................................................... 21

Home Page and alarms ........................................................................................................................................... 23

SBH and MAP view ................................................................................................................................................. 25

Overview .............................................................................................................................................................. 25

Setpoints ........................................................................................................................................................... 25

System .............................................................................................................................................................. 26

Status ............................................................................................................................................................... 27

Setpoints .............................................................................................................................................................. 30

4 Application #3005

Control Status ...................................................................................................................................................... 31

System Status ...................................................................................................................................................... 34

Control Setup ....................................................................................................................................................... 36

Setpoints ........................................................................................................................................................... 36

Fan ................................................................................................................................................................... 37

Two-Position Heating Control ........................................................................................................................... 37

Two-Position Cooling Control ........................................................................................................................... 38

Reheat .............................................................................................................................................................. 39

Indoor Air Quality .............................................................................................................................................. 40

Demand Control ............................................................................................................................................... 40

Fault Detection and Diagnostics ....................................................................................................................... 40

Summer Winter Compensation ........................................................................................................................ 43

Energy Indication .............................................................................................................................................. 44

Inputs ................................................................................................................................................................ 44

Outputs ............................................................................................................................................................. 45

Network Setup ...................................................................................................................................................... 46

Commissioning ..................................................................................................................................................... 47

Controller Info ....................................................................................................................................................... 47

BACnet and N2 bus points ...................................................................................................................................... 49

Modbus bus points ................................................................................................................................................... 68

Software package download ................................................................................................................................... 87

Software package download using a USB flash drive ......................................................................................... 87

Software package download using the field Download Package Tool ................................................................ 87

Application #3005 5

Introduction This application is for a two-pipe terminal unit with heating or cooling valve control (on/off), two-wire heating (pulse-width modulation), variable-speed fan, and an optional floating fresh-air damper with PAO. The appropriate fan speed is based on heating or cooling demand. The application turns the valve on and off to maintain the zone temperature setpoint according to the summer-winter changeover. The optional fresh-air damper modulates open or closed to maintain the zone air quality.

The application uses a set of five dry contact binary inputs (the two BIs and three UIs configured as BIs) for the following functions:

Initiating Summer-Winter changeover

Input from window contact sensors

Input from occupancy sensors

Input from condensate overflow or dew sensors

Input for high temperature alarm

The application also uses an optional analog input (one UI configured as AI) for zone carbon dioxide sensors.

The following system schematic illustrates the equipment that the application controls, and the inputs and outputs that the application requires to maintain control.

Figure 2 System schematic

6 Application #3005

The following table explains the object names in the schematic diagram:

Table 2: Schematic diagram object names

Object name Expanded ID Point type and number

COND-A Condensation binary input UI IN4

HC-C Heating or cooling command CO OUT1

HT-A High temperature alarm UI IN5

OAD-O Outside air damper output BO OUT7, BO OUT8

OA-T Outdoor air temperature Network input

OCC-S Occupancy binary input BI IN2

SF-C Supply fan command RO OUT4

SF-O Supply fan output CO OUT2

SUMWIN-S Changeover binary input UI IN3

SUPHTG-O Supplemental heating output RO OUT9

T-OCC Temporary occupancy Network input or SA bus

WC-ADJ Setpoint adjust Network input or SA bus

WINDOW-S Window open binary input BI IN1

ZN-CO2 Zone carbon dioxide UI IN6 or SA bus

ZNF-O Zone fan speed adjustment Network input or SA bus

ZN-T Zone temperature Network input or SA bus

ZNT-SP Zone temperature setpoint Network input or SA bus

Unit enable mode

Use the Unit Enable Mode attribute to enable or shut down the unit. The attribute has the following settings:

Shutdown – shuts down the terminal unit

Enable – enables the terminal unit

Application #3005 7

Connection points list #3005 The table below maps the Hardware input or output of the ATC with the BACnet Name and Descriptive Name for integration into a Building Automation System (BAS), as well as the signal type and Tier 4 end-device that needs to be attached for proper operation.

Table 3 Connection points list - #3005

Controller Point type Object name

Expanded ID Field device Signal

LC-ATC1500-0

BI IN1 WINDOW-S Window Open BI

N/A

Dry Contact

BI IN2 OCC-S Occupancy BI

UI IN3 SUMWIN-S Changeover BI

UI IN4 COND-A Condensation BI

UI IN5 HT-A High Temperature

Alarm

UI IN6 ZN-CO2 Zone Carbon Dioxide 0 VDC to 10 VDC

0 ppm to 2000 ppm

CO OUT1 HC-C Heating Cooling

Command Terminal Unit

Valve Actuators 24 VAC

Maintained

CO OUT2 SF-O Supply Fan Output

N/A

0 VDC to 10 VDC

CO OUT3 N/A N/A N/A

RO OUT4 SF-C Supply Fan Command 24 VAC or 240 VAC

Maintained

RO OUT5 N/A N/A N/A

RO OUT6 N/A N/A N/A

RO OUT 9 SUPHTG-O Supplemental Heating

Output Duration Adjust

Output

BO OUT7

OAD-O Outside Air Damper

Output Damper Actuator

24 VAC or 240 VAC

Incremental BO OUT8

SAB

ZN-T Zone Temperature

Network Sensors Net Stat

WC-ADJ Setpoint Adjust

T-OCC Temporary Occupancy

ZNT-SP Zone Temperature

Setpoint

ZN-CO2 Zone Carbon Dioxide

ZNF-O Fan Speed Adjust

8 Application #3005

Wiring diagram

Figure 3 Wiring diagram

Application #3005 9

Table 4 Wiring diagram

Number Description

1 Heating or cooling command

2 Supply fan output

3 Supply fan command

4 Supply fan

5 Supply fan power socket

6 Outdoor air damper output

7 Supplemental heating output

8 Supplemental heating power socket

9 Power socket

10 From last device

11 To next device

12 NS zone sensor ZN-T

Note: Wire the sensor bus to any other network sensors in a daisy-chain configuration.

13 Zone sensor ZN-CO2 (connector is on the back of the sensor)

14 Zone carbon dioxide

15 High temperature alarm

16 Condensate alarm

17 Summer and winter mode status

18 Occupancy status

19 Window status

10 Application #3005

Supply fan control The supply fan modulates between the minimum speed and the maximum speed based on the heating or cooling demand. The following additional configuration options are available:

Fan on or off threshold

Fan cycling

No fan for heating

No fan for cooling

Fan thresholds

The fan on threshold and the fan off threshold are adjustable attributes. If the heating or cooling demand is greater than the fan off threshold (1.0% by default), the unit switches on the fan. If the heating or cooling demand is less than the fan on threshold (0.2% by default), the unit switches off the fan.

Fan cycling

You can configure the fan to be on continuously in occupied mode, or to be cycled off when the heating or cooling demand drops below the fan off threshold. In continuous mode, the fan remains on (or at minimum speed) even when the heating or cooling demand is less than the fan off threshold.

No fan for heating or cooling

You can configure the unit so that it does not use the fan. There are separate attributes to configure no fan use for heating and no fan use for cooling.

Fan override

You can use the Fan Override network input to manually override the fan. You can switch it on or off, or set it to any speed. The fan override can also come from a local sensor or a network input. If the fan override comes from a network input, it takes priority over the local sensor.

Application #3005 11

Indoor air quality (IAQ) damper control The fresh-air damper modulates proportionally to maintain the zone air quality, that is, to keep the CO2 level below the CO2 setpoint in the space. The controller can receive the CO2 level from a local sensor or a network input. If the CO2 level comes from a network input, it takes priority over the local sensor. The damper actuator stroke time is adjustable, and 60 seconds by default.

When the unit is disabled, the damper stays in the closed position. When the unit is enabled, the damper modulates open in response to the CO2 level compared with the CO2 setpoint as illustrated in Figure 4. In this example, the CO2 setpoint is 600 ppm (adjustable), the damper minimum position (adjustable) is 20% and the damper maximum position is 80% (adjustable). When the CO2 level is less than the CO2 setpoint, the damper assumes its minimum position. As the CO2 level in the space increases above the setpoint, the damper modulates open proportionally towards its maximum position at a rate regulated by the CO2 proportional band. The narrower the band, the faster the damper achieves maximum position as the CO2 level increases.

Figure 4 Sequence of operation

Temperature control The summer-winter changeover command configures the unit to either provide cooling only (summer mode) or heating only (winter mode). The unit can receive the summer-winter command from the changeover BI. Alternatively, you can use the System Mode network input to set the unit to cool only or heat only mode. The network command takes priority over the binary input.


On-off valve control

When the zone temperature drops below the zone temperature setpoint (heating) or rises above the zone temperature setpoint (cooling), the application begins to command the valve output on or off. The application controls the valve in such a way that it maintains the zone temperature setpoint within the control band (1°C, 1°F by default), while minimizing the number of on-off commands to the valve. The following figure illustrates the on-off valve control for heating.

Figure 4: On-off valve control, heating example

Supplemental heating You can connect an electric heater to the RO-OUT9 output to provide supplemental heating. The ATC controls the electric heater with a PWM signal.

The ATC starts supplemental heating when the primary heating source is unable to maintain the zone temperature setpoint for a longer period than the Heat Saturation Time (10 minutes by default). Supplemental heating then modulates to maintain the zone temperature setpoint.

Occupancy mode determination The following inputs determine the effective occupancy:

Occupancy override: A network input that you can also change through the user interface.

Bypass timer: The bypass timer initiates a timed temporary occupancy period. You can initiate the timer from a net sensor, or by clicking the “Occupy” button in the Facility view in the Verasys® UI when the unit is in unoccupied state. The net sensor can be a passive infrared (PIR) sensor, a temp occ button, or dial spin.

Occupancy schedule: A network input that determines occupancy according to a schedule set up outside the application, for example, in the Schedules view in the Verasys UI.

Occupancy sensor: The occupancy determined by the state of the OCC-S binary input. When the input changes from occupied to unoccupied state, the unit stays in the occupied state until the Off Delay timer expires (default 30 seconds).


The inputs control effective occupancy in an order of priority as shown from left to right in the table below:

Table 5 Occupied and unoccupied control

Occupancy override

Bypass timer Occupancy schedule

Occupancy sensor Effective occupancy

Occupied Any value1 Any value1 Any value1 Occupied

Unoccupied Any value1 Any value1 Any value1 Unoccupied

Standby Any value1 Any value1 Any value1 Standby

Bypass or Not Set3

True Occupied4 Any value1 Occupied4

Not Occupied5 Any value1 Bypass

False

Occupied

Occupied Occupied

Not Set3 Occupied

Unoccupied Standby

Unoccupied Any value1 Unoccupied

Standby Any value1 Standby

Not Set3

Occupied Occupied

Unoccupied Unoccupied

Not Set3 Default Occupancy2

Notes:

1. “Any value” indicates that the state of this input does not affect the determination of Effective Occupancy

2. Default Occupancy is initially set to Occupied but the user can change the value.

3. Input is set to be Not Set by default when no value has been written to it following a reset. This would typically mean that the input does not have any value assigned and it is represented by this value Not Set.

4. When the Occupancy Schedule is set to Occupied, the Bypass Timer will be reset. For that reason, this row in the table will never be active (the output of the Bypass Timer will be reset to False before this table is evaluated following the Occupancy Schedule transition to Occupied). It is shown to avoid the potential confusion that could be caused if one of the combinations of the inputs was not handled in the Decision Table logic.

5. The use of “NOT” in the table indicates that any other value than the one specified following the NOT (including Not Set) is received for that input.

Energy indication The Energy indication feature is available if the value of the Spt Source attribute is either Network Input or Multiple Inputs. It is not available (disabled) if the value of the Spt Source attribute is Sensor Input.

Energy indication provides an energy efficiency status that a UI (for example, Verasys Facility View) can relay visually to the user. The energy indication status can take one of the following values:

Off — the unit is off or energy indication is disabled

Green — the unit is operating efficiently

Red — the unit is operating inefficiently

The energy indication status is based on the user-adjustable ecoClgSetpoint and ecoHtgSetpoint attributes, and on the zone temperature (the reading of the Zone Temperature sensor).

Conditions for transitioning from Green to Red Status: Heating mode: The Zone Setpoint is set to a temperature higher than the ecoHtgSetpoint plus the ecoHtgSetpoint

Differential, and the zone temperature increases above the ecoHtgSetpoint.

Cooling mode: The Zone Setpoint is set to a temperature below the ecoClgSetpoint minus the ecoClgSetpoint

Differential, and the zone temperature decreases below the ecoClgSetpoint.


Conditions for transitioning from Red to Green Status: The unit is in Satisfied state.

Heating mode: The Zone Setpoint is set to the same temperature as the ecoHtgSetpoint or below, or the zone

temperature decreases to the ecoHtgSetpoint or below.

Cooling mode: The Zone Setpoint is set to the same temperature as the ecoClgSetpoint or above, or the zone

temperature increases to the ecoClgSetpoint or above.

When the Energy Indication is Red, an Optimize button appears on the UI. When you click the button, the application resets the current setpoint to the ecoClgSetpoint (if the unit is in cooling) or to the ecoHtgSetpoint (if the unit is in heating). The following figures show a heating and cooling example of Energy Indication.

Figure 5 Energy indication example - heating


Figure 6 Energy indication example - cooling

Commissioning mode When the application is placed into Commissioning mode (Start Commission = Trigger), automatic control by the application is temporarily suspended and the user can manually command the outputs through a set of network inputs or from the UI. Commissioning mode is active for a period of 2 hours (non-adjustable) but can be terminated at any time by setting Start Commission back to Normal.

Binary inputs Window contact binary input When the window contact binary input is active, it means that a window is open. In this case, the unit turns off cooling, heating, and the fan, and it closes the damper. The polarity of this binary input is changeable.

Occupancy binary input When the occupancy binary input is active, it means that the space is occupied. In this case, the unit enters occupied mode, unless it receives an override. When the binary input becomes inactive, the unit enters unoccupied mode after an adjustable delay period. The polarity of this binary input is changeable.

Summer-winter binary input The summer-winter binary input is used to switch between summer mode and winter mode. The polarity of this binary input is changeable.

Condensate binary input When the condensate binary input is active, the unit turns off cooling. The polarity of this binary input is changeable.


High temperature alarm binary input When the high temperature alarm binary input is active, the unit turns off electrical heating. The polarity of this binary input is changeable.

Network sensors The ATC standard applications integrate easily with all the models of the NS Series of network sensors without the need of any specific setting or configuration.

Note: ATC supports the following address ranges for sensors on the SA bus:

199-203 for non-CO2 sensors

212-219 for CO2 sensors

A wide variety of network sensor models provides options for measuring, adjusting, and displaying zone temperature, duct temperature, zone humidity, carbon dioxide level, setpoint adjustments, fan speed control, and discharge air temperatures.

If ATC detects multiple sensors on the controller SA bus, it uses the following strategies to define the effective value.

Table 6 Strategy for multiple sensors

Value Description Strategy

ZN-T Zone Temperature Average of all reliable temperature readings from all online network sensors

ZN-CO2 Zone Carbon Dioxide Maximum value of all the readings from all online network sensors

ZNT-SP Zone Setpoint Request The reliable setpoint request input from the online network sensor with the lowest SA bus device address

T-OCC Occupancy Request It is Occupied if any one of the network sensors request occupancy, otherwise it is Unoccupied.

ZNF-O Zone Fan Speed Request The last command received takes effect. If multiple commands are received between polling results (5 seconds), the lowest SA bus device address with a reliable input takes effect.

Absolute setpoint and warmer/cooler models of network sensors

When a network sensor initially comes online, the minimum and maximum setpoint values sent to it are based on the assumption that it is a warmer/cooler type. If it is an absolute setpoint type, its initial reliability becomes Out Of Range High. If the sensor takes on this reliability setting and the present value of the setpoint request is between 4°C and 38°C (40°F and 100°F), ATC flags the sensor internally as an absolute setpoint type. In this case, ATC adds the active setpoint input value to the minimum and maximum setpoint values, and rewrites the values in the appropriate attributes of the network sensor’s associated setpoint child object.

On a Setpoint Offset adjustment, the ATC application also checks for a possible change from an absolute setpoint type to a warmer/cooler type of sensor. If the Change of Value (COV) report has a reliability setting of Out Of Range Low, and the present value is between -5°C and 5°C (-10°F and 10°F), then ATC rewrites the original minimum and maximum setpoint values based directly on the Setpoint Offset attribute.

If the measurement units are different at the device and in the application, ATC performs the appropriate unit conversion on the input value. If the network sensor is of the absolute setpoint type, ATC also converts the value to a warmer/cooler value. This way, ATC stores the values for each reliable input in the units and type the application uses and can generate an output without conversion.


Demand control Demand control is a means by which the unit creates a heating or cooling demand status (space vote), which can be used, for example, by a supervisory controller or coordinator. The unit demand may be Satisfied, Heat, Cool, Urgent Heat, or Urgent Cool based on whether the unit is in heating or cooling and the position of the valve. The rules defining how the demand control space vote is derived are illustrated below. In this example, the Demand Low Range is 10% (adjustable) and the Demand High Range is 90% (adjustable).

Figure 7 Demand control


Fault detection and diagnostics (FDD) The application includes fault detection and diagnostics. You can enable or disable the entire fault detection feature, or you can enable or disable the detection of individual faults. Each fault has a number of adjustable parameters that affect the specific conditions under which the unit reports the fault. Fault detection starts after an adjustable time period that follows the unit startup (900 seconds by default).

Table 7 Conditions for fault

Fault Conditions for fault

Window Open While Occupied Startup Delay time expired AND Occupancy = Occupied AND Window Status = Open AND Fan Cmd = On AND Heating or cooling Valve commanded On

Window Open While Unoccupied Occupancy = Unoccupied AND Window Status = Open

Insufficient Heating Capacity Startup Delay time expired AND Fan Cmd = On AND Heating Valve Cmd = 100% AND Insufficient Htg Capacity Sat Delay expired AND Zone Temp < Zone Temp Spt - Insufficient Htg Cap Zone Max Error

Insufficient Cooling Capacity Startup Delay time expired AND Fan Cmd = On AND Cooling Valve Cmd = 100% AND Insufficient Clg Capacity Sat Delay expired AND Zone Temp > Zone Temp Spt - Insufficient Clg Cap Zone Max Error

Low Zone Temperature Startup Delay expired AND Fan Cmd = On AND Zone Temp < Zone Temp Spt - Low Zone Temp Zone Max Error AND Low Zone Temp In-Fault Time expired

High Zone Temperature Startup Delay expired AND Fan Cmd = On AND Zone Temp > Zone Temp Spt + High Zone Temp Zone Max Error AND High Zone Temp In-Fault Time expired

Simultaneous Heating and Cooling (Startup Delay expired AND Fan Cmd = On AND Zone Temp < Zone Temp Spt - Zone Max Error AND Heating Valve Cmd = 100% AND Simultaneous Htg and Clg In-Fault Time expired) OR (Startup Delay expired AND Fan Cmd = On AND Zone Temp > Zone Temp Spt + Zone Max Error AND Cooling Valve Cmd = 100% AND Simultaneous Htg and Clg In-Fault Time expired)

Zone Setpoint Outside Comfort Limits Zone Temp Spt > ZN Spt Out of Comfort Lim Max T Spt OR Zone Temp Spt < ZN Spt Out of Comfor Lim Min T Spt


Fault Conditions for fault

Incorrect Changeover Setting (Fan Cmd = On AND Startup Delay expired AND Changeover Setting = Winter AND Htg/Clg Valve Cmd = 0% AND Zone Temp > Zone Temp Spt + Changeover Setting Zone Max Error AND Changeover Setting In-Fault Time expired) OR (Fan Cmd = On AND Startup Delay expired AND Changeover Setting = Summer AND Htg/Clg Valve Cmd = 0% AND Zone Temp < Zone Temp Spt - Changeover Setting Zone Max Error AND Changeover Setting In-Fault Time expired)

Incorrect Setpoint Compensation (Changeover setting = Winter AND Startup Delay expired AND Zone Temp Spt - OAT > Setpoint Compensation Winter Max Diff) OR (Changeover setting = Summer AND Startup Delay expired AND OAT - Zone Temp Spt > Setpoint Compensation Summer Max Diff)

Alarms and events The Verasys UI reports all faults in Table 7 as alarms. In addition, the UI reports the following alarms:

Window Open Alarm: This is reported as a Critical Alarm when the Window Contact Binary Input becomes active. The Alarm automatically clears when the binary input becomes inactive.

Condensate Alarm: This is reported as a Service Priority Alarm when the Condensate Binary Input becomes active. The Alarm automatically clears when the binary input becomes inactive.

Note: The application provides special control if the zone temperature drops below the Freeze Stat Setpoint (default 8°C, 46°F). In this event, the application closes the damper, sets heating to the maximum output, and runs the fan at maximum speed. When the zone temperature rises above the Freeze Stat Setpoint plus the Frost Protect Differential (default 3°C, 5°F), normal control resumes.


Proportional-Integral-Derivative (PID) tuning

Standard and manual tuning

A PID control loop determines the temperature settings. The derivative term for this application is set to zero by

default and is not adjustable. The loop tuning can be set to Standard or Manual.

Standard tuning: A set of pre-defined PI parameters are used based on the type of process being

controlled. For this application, the ZN-T process (zone control) is the default process.

Manual tuning: the PI parameters are adjustable and are described in the following table:

Table 8 PID tuning

Parameters Description

Proportional Band The amount of change in the input that produces a full range change in the output. The Proportional Band must be greater than zero.

Integral Time The time required by the integral action to contribute the same amount to the controller output as the proportional term for a constant error. The Integral Time must be either zero (to disable integral action) or must be between 2 and 30 times the Period (see below).

Saturation Time The duration the output must meet or exceed (either the PID Low or High Limit, typically 0 or 100%) for the saturation status of the PID to be set to Low or High.

Process Range The magnitude of the range that the input will traverse as the output of the PID varies between its minimum and maximum values. For example, when the input ranges between 60 and 90 degrees due to the PID output varying from 0 to 100%, then Process Range is set to 30 (|60 – 90|).

Time Constant The time required for the process to reach 63% of its final magnitude given a 100% step change.

Process Dead Time The time required for the process to begin to reflect the results of a step change.

Period The time period between normal PID algorithm executions.

Adaptive tuning

The PID can be configured for Adaptive Tuning, which uses the PRAC+ algorithm. PRAC+ observes the response from significant changes in the PID’s setpoint or changes in the load on the physical system to quantify the control performance. PRAC+ then uses these observations to compute new tuning parameters that minimize the integrated absolute error between the setpoint and process variable. The result is control that reacts as quickly as possible to changing conditions without becoming unstable or oscillating wildly.

Summer-winter compensation The summer-winter compensation feature shifts the effective cooling and heating setpoints used by the application based on the outdoor air temperature. The feature shifts the effective cooling setpoint up as the outdoor air temperature rises above the summer setpoint, and it shifts the effective heating setpoint down as the outdoor air temperature drops below the winter setpoint. You can enable this feature in this application only if the application receives the outdoor air temperature as a reliable network input.


You can configure the feature with the following inputs:

Table 9 Summer-winter compensation

Input Definition

Summer Setpoint / Winter Setpoint

The Summer Setpoint is the outdoor air temperature above which the application starts shifting the effective cooling setpoint. The Winter Setpoint is the outdoor air temperature below which the application starts shifting the effective heating setpoint.

Summer Gain / Winter Gain

The gain of the setpoint shift expressed in number of degrees shift per degrees deviation from the outdoor air temperature.

Summer Change Limit / Winter Change Limit

The maximum allowed setpoint shift (positive or negative).

The system calculates the Effective Heating Shift as follows:

If (Winter Setpoint – Outdoor Air Temperature) <= 0.0 then Effective Heating Shift = 0.0

If (Winter Setpoint – Outdoor Air Temperature) > 0.0 then: Effective Heating Shift = MAX[ – (Winter Change Limit), MIN(Winter Change Limit, ((Winter Setpoint – Outdoor Air Temperature) x Winter Gain))]

The system calculates the Effective Cooling Shift as follows:

If (Outdoor Air Temperature - Summer Setpoint) <= 0.0 then Effective Cooling Shift = 0.0

If (Summer Setpoint – Outdoor Air Temperature) > 0.0 then: Effective Cooling Shift = MAX[Summer Change Limit, MIN(Summer Change Limit, ((Summer Setpoint – Outdoor Air Temperature) x Summer Gain))]

Zone temperature setpoint source

This application accepts a single Zone Temperature Setpoint either provided remotely via a network input or UI, or from a local sensor (Net Sensor). Internally, the application converts this single setpoint to an Effective Cooling Setpoint and Effective Heating Setpoint after applying any summer-winter compensation setpoint shifts.

Table 10 Effective setpoint calculation

Occupancy Setpoint source

Heating Cooling

Occupied or Bypass

Network input Network Setpoint – Deadband / 2 + Effective Heating Shift

Network Setpoint + Deadband / 2 + Effective Cooling Shift

Sensor input Network/Zone Sensor Setpoint – Deadband / 2 + Effective Heating Shift

Network/Zone Sensor Setpoint + Deadband / 2 + Effective Cooling Shift

Unoccupied Any input Unoccupied Heating Setpoint + Effective Heating Shift

Unoccupied Cooling Setpoint + Effective Cooling Shift

Standby Any input Standby Heating Setpoint + Effective Heating Shift

Standby Cooling Setpoint + Effective Cooling Shift

Note: When there are multiple inputs as setpoint source (network input and sensor input), the system uses the calculation method of the input source that changed the last time.

Data share Data share is a feature of the Smart Building Hub (SBH). Using the data share feature, networked controllers can share information. When you connect an ATC to an SBH, you can share the following data from the ATC to other connected devices:


Table 11 Shared data

Shareable data from ATC as source ATC available as destination

Occupancy Status Yes

Fan Command No

Fan Mode Yes

Heat Cool Mode* Yes

Cooling Command No

Heating Command No

Zone Temperature* No

Zone Temperature Setpoint No

Outdoor Air Temperature* Yes

CO2 Yes

Warmer Cooler Adjust No

Unoccupied Cooling Setpoint No

Unoccupied Heating Setpoint No

Standby Cooling Setpoint No

Standby Heating Setpoint No

*Implemented as a Timed Override. Timed Override data must be written at least once every 15 minutes to maintain the override value. Data Share ensures this automatically with a guaranteed write every 2 minutes.

Note: ATC can serve as the data share destination for Unit Enable Mode.

The following example illustrates how you can add the CO2 parameter on the SBH UI as shared data between one ATC controller (LC-ATC1500-0_4) as the source, and two other ATC controllers (LC-ATC1500-0_6 and LC-ATC1500-0_8) as destinations.

Figure 8 Data share


Home Page and alarms The following tables provide a summary of the Home Page data (Verasys Systems), and the possible faults that may occur during normal operation.

Table 12 Home page

Reference name Read or write Unit Default value

Unit Enable Mode Write Shutdown/Enable Enable

Unit status Read Heat Cool Mode N/A

Effective Occupancy Read Occ Effective N/A

Occupied state Read ATC ZNC States N/A

Unoccupied state Read COM Unocc Status State N/A

Operational Zone Temperature Read °C, °F N/A

Spt Source Write Setpoint Source Network Input

Network Setpoint1 Write °C, °F 22°C 72°F

Network/Zone Sensor Setpoint2 Read °C, °F N/A

Effective Heating Setpoint Read °C, °F N/A

Effective Cooling Setpoint Read °C, °F N/A

Operational Indoor Air Quality Read ppm N/A

CO2 Setpoint Write ppm 600 ppm

Eff Fan Speed Cmd Read Three Speed Override N/A

2 Pipe Valve BO Read Off On N/A

Damper State Read Off/On/Max N/A

Electric Heat DAO Read % N/A

1 Visible only if you set Spt Source to Network Input or Multiple Inputs. 2 Visible only if you set Spt Source to Sensor Input or Multiple Inputs.


Table 13 Critical alarms

Reference name Read or write Range of value Default value

Window open while Occupied fault

Read False; True False

Window open while Unoccupied fault

Window Open Alarm3

High zone temp fault

Low zone temp fault

Condensate alarm

Incorrect changeover setting fault

Safety Tstat Alarm

Table 14 Service priority alarms


Insufficient cooling capacity fault

Read False; True False Insufficient heating capacity fault

Incorrect setpoint compensation fault

Simultaneous Htg and Clg fault

Table 15 Service alarms


Zone Spt outside Comfort Limits fault Read False; True False

3 The Window Open Alarm always occurs when the window open binary input is active, even if Fault Detection and Diagnostics is disabled.


SBH and MAP view The following tables list all the user-accessible points of the ATC. The tables list the points according to how they appear in the user interface.

For a comprehensive list of the enumeration set values, refer to Metasys® System Enumeration Sets (LIT-12011361).

Overview

Setpoints

Table 16 Overview, Setpoints, General

Reference name Writeable Unit Default value Enum set or range

Freeze Stat Setpoint TRUE °C/°F 8°C 46°F

-20 to 10°C -4 to 50°F

Table 17 Overview, Setpoints, Network Input


Network Setpoint TRUE °C/°F 22°C 72°F

12 to 28°C 53.6 to 82.4°F

Note: This group is visible only if you set Spt Source to Network Input or Multiple Inputs.

Table 18 Overview, Setpoints, Sensor Input


Network/Zone Sensor Setpoint FALSE °C/°F N/A 10 to 40°C 50 to 104°F

Warmer/Cooler Adjust FALSE delta °C/°F N/A -100 to 100 delta °C -100 to 100 delta °F

Note: This group is visible only if you set Spt Source to Sensor Input or Multiple Inputs.

Table 19 Overview, Setpoints, Heating


Effective Heating Setpoint FALSE °C/°F N/A -20 to 40°C -4 to 104°F

Effective Heating Shift FALSE °C/°F N/A -20 to 40°C -4 to 104°F

Table 20 Overview, Setpoints, Cooling


Effective Cooling Setpoint FALSE °C/°F N/A -20 to 40°C -4 to 104°F

Effective Cooling Shift FALSE °C/°F N/A -20 to 40°C -4 to 104°F


Table 21 Overview, Setpoints, Indoor Air Quality


CO2 Setpoint TRUE ppm 600 ppm 0 to 10,000 ppm

System

Table 22 Overview, System, General


Unit Enable Mode TRUE Shutdown/Enable 1 = Enable 0 = Shutdown 1 = Enable

System Mode Determination TRUE System Mode 5 = Auto 0 = Cool Only 1 = Heat Only 2 = Fan Only 3 = Water Flush 4 = Purge 5 = Auto

Table 23 Overview, System, Override


Occupancy Override TRUE Occ Override 4 = Not Set 0 = Occupied 1 = UnOccupied 2 = Bypass 3 = Standby 4 = Not Set

Fan Speed Override TRUE Three Speed Override 0 = Auto 0 = Auto 1 = Off 2 = Low 3 = Medium 4 = High

Table 24 Overview, System, Timed Override


HVAC Mode TRUE System Mode 0 = Cool Only 0 = Cool Only 1 = Heat Only 2 = Fan Only 3 = Water Flush ...

Network Override Outdoor Air Temperature TRUE °C/°F 0°C 32°F

-46 to 94°C -50.8 to 201.2°F

Network Override Zone Temperature TRUE °C/°F 0°C 32°F

-18 to 38°C -0.4 to 100.4°F

Network Override Indoor Air Quality TRUE ppm 0 ppm 0 to 10,000 ppm


Status

Table 25 Overview, Status, General


Unit Status FALSE Heat Cool Mode N/A 0 = Heat 1 = Cool 2 = Fan Only 3 = Balancing 4 = Satisfied 5 = Off

System Mode FALSE System Mode N/A 0 = Cool Only 1 = Heat Only 2 = Fan Only 3 = Water Flush 4 = Purge 5 = Auto

Operational Zone Temperature

FALSE °C/°F N/A -18 to 38°C -0.4 to 100.4°F

Operational Indoor Air Quality

FALSE ppm N/A 0 to 10,000 ppm

Operational Outdoor Air Temperature

FALSE °C/°F N/A -18 to 38°C -0.4 to 100.4°F

Space Vote FALSE VVT Zone Vote N/A 0 = Urgent Heat 1 = Heat 2 = Satisfied 3 = Cool 4 = Urgent Cool

Summer Winter Compensation

FALSE Summer/Winter N/A 0 = Summer 1 = Winter

Table 26 Overview, Status, Occupancy


Effective Occupancy FALSE Occ Effective N/A 0 = Occupied 1 = UnOccupied 2 = Bypass 3 = Standby

Occupied State FALSE ATC ZNC States N/A 0 = Heating 1 = Satisfied 2 = Cooling 3 = Supp Htg 4 = Temperature Unreliable

Unoccupied State FALSE COM Unocc Status State N/A 0 = Not Unoccupied 1 = Temperature Unreliable 2 = Unocc Htg/Clg Check 3 = Unoccupied Off


Table 27 Overview, Status, Fan


Fan Mode FALSE Off/On/Max N/A 0 = Off 1 = On 2 = Max

Percent Cmd FALSE % N/A 0% to 100%

Note: Fan OnOff is visible only if you set the fan to One Speed, and Fan Speed Status is visible only if you set the fan to Two Speed or Three Speed.

Table 28 Overview, Status, Heating


Heating Mode FALSE COM Valve Out N/A 0 = Off 1 = Max 2 = Limited Max 3 = Hold 4 = Water Flush 5 = Control 6 = Failsoft

Table 29 Overview, Status, Cooling


Cooling Mode FALSE COM Valve Out N/A 0 = Off 1 = Max 2 = Limited Max 3 = Hold 4 = Water Flush 5 = Control 6 = Failsoft

Table 30 Overview, Status, Reheat


Reheat Mode FALSE COM Valve Out N/A 0 = Off 1 = Max 2 = Limited Max 3 = Hold 4 = Water Flush 5 = Control 6 = Failsoft

Table 31 Overview, Status, Damper


Damper State FALSE Off/On/Max N/A 0 = Off 1 = On 2 = Max


Table 32 Overview, Status, Energy Indication


Energy Indication FALSE Energy Indication N/A 0 = Off 1 = Red 2 = Green

Note: This group is visible only if you enable the Energy Indication feature.


Setpoints

Table 33 Setpoints, General


Spt Source TRUE Setpoint Source 0 = Network Input 0 = Network Input 1 = Sensor Input 2 = Multiple Inputs

Deadband TRUE delta °C/°F 1 delta °C 1.8 delta °F

0 to 10 delta °C 0 to 18 delta °F

Freeze Stat Setpoint TRUE °C/°F 8°C 46°F

-20 to 10°C -4 to 50°F

Frost Protect Differential TRUE delta °C/°F 3 delta °C 5 delta °F


Table 34 Setpoints, Network Input

Reference name Writeable Unit Default value

Enum set or range

Network Setpoint TRUE °C/°F 22°C 72°F

12 to 28°C 53.6 to 82.4°F


Table 35 Setpoints, Sensor Input

Reference name Writeable Unit Default value

Enum set or range

Network/Zone Sensor Setpoint FALSE °C/°F N/A 10 to 40°C 50 to 104°F


Note: This group is visible only if you set Spt Source to Sensor Input or Multiple Inputs.

Table 36 Setpoints, Heating


Effective Heating Setpoint FALSE °C/°F N/A -20 to 40°C -4 to 104°F

Unocc Heating Setpoint TRUE °C/°F 16°C 61°F

10 to 25°C 50 to 77°F

Standby Heating Setpoint TRUE °C/°F 19°C 66°F

10 to 30°C 50 to 86°F


Table 37 Setpoints, Cooling


Effective Cooling Setpoint FALSE °C/°F N/A -20 to 40°C -4 to 104°F

Unocc Cooling Setpoint TRUE °C/°F 28°C 82°F

15 to 30°C 59 to 86°F

Standby Cooling Setpoint TRUE °C/°F 25°C 77°F

10 to 30°C 50 to 86°F

Table 38 Setpoints, Summer Winter Compensation



Summer Setpoint TRUE °C/°F 24°C 75.2°F

10 to 60°C 50 to 140°F

Winter Setpoint TRUE °C/°F 10°C 50°F

-40 to 20°C -40 to 68°F

Table 39 Setpoints, Energy Indication


ecoHtgSetpoint TRUE °C/°F 22°C 71.6°F

15 to 25°C 59 to 77°F

ecoClgSetpoint TRUE °C/°F 24°C 75.2°F

20 to 30°C 68 to 86°F

Table 40 Setpoints, Indoor Air Quality



Control Status

Table 41 Control Status, Fan


Fan State FALSE Off/On N/A 0 = Off 1 = On

Eff Fan Speed Cmd FALSE Three Speed Override N/A 0 = Auto 1 = Off 2 = Low 3 = Medium 4 = High

Fan Status FALSE Off On N/A 0 = Off 1 = On

Fan Speed FALSE % N/A 0% to 100%


Table 42 Control Status, Heating


Heating Mode FALSE COM Valve Out N/A 0 = Off 1 = Max 2 = Limited Max 3 = Hold 4 = Water Flush 5 = Control 6 = Failsoft

Valve FALSE Off On N/A 0 = Off 1 = On 2 = Hold

Heating Percent Cmd FALSE % N/A 0% to 100%

Note: This group is visible only if the value of SummerWinter is Winter.

Table 43 Control Status, Cooling


Cooling Mode FALSE COM Valve Out N/A 0 = Off 1 = Max 2 = Limited Max 3 = Hold 4 = Water Flush 5 = Control 6 = Failsoft

Valve FALSE Off On N/A 0 = Off 1 = On 2 = Hold

Cooling Percent Cmd FALSE % N/A 0% to 100%

Note: This group is visible only if the value of SummerWinter is Summer.

Table 44 Control Status, Reheat


Reheat Mode FALSE COM Valve Out N/A 0 = Off 1 = Max 2 = Limited Max 3 = Hold 4 = Water Flush 5 = Control 6 = Failsoft

Reheat Percent Cmd FALSE % N/A 0% to 100%

Electric Heat DAO FALSE % N/A 0% to 100%


Table 45 Control Status, Summer Winter Compensation


SummerWinter FALSE Summer/Winter N/A 0 = Summer 1 = Winter

Table 46 Control Status, Energy Indication


Energy Indicator FALSE Energy Indication N/A 0 = Off 1 = Red 2 = Green

Note: This group is visible only if you enable the Energy Indication feature.

Table 47 Control Status, Damper


Damper State FALSE Off/On/Max N/A 0 = Off 1 = On 2 = Max

Damper Percent Cmd FALSE % N/A 0% to 100%


System Status

Table 48 System Status, General


Unit Status FALSE Heat Cool Mode N/A 0 = Heat 1 = Cool 2 = Fan Only 3 = Balancing 4 = Satisfied 5 = Off

Table 49 System Status, Network Sensor


Zone Temperature FALSE °C/°F N/A -20 to 40°C -4 to 104°F

Network/Zone Sensor Setpoint4 FALSE °C/°F N/A 10 to 40°C 50 to 104°F


Active Setpoint TRUE °C/°F 20°C 68°F

12 to 28°C 53.6 to 82.4°F

Setpoint Offset TRUE delta °C/°F 4.4 delta °C 8 delta °F


Occupancy Request FALSE Occ Sensor N/A 0 = Occupied 1 = UnOccupied 2 = Not Set

Occupancy Status Display FALSE Occ Schedule N/A 0 = Occupied 1 = UnOccupied 2 = Standby 3 = Not Set

Fan Speed Request5 FALSE Three Speed Override N/A 0 = Auto 1 = Off 2 = Low 3 = Medium 4 = High

Carbon Dioxide6 FALSE ppm N/A 0 to 10,000 ppm

4 Visible only if you set Spt Source to Sensor Input or Multiple Inputs. 5 Visible only if the connected sensor supports fan speed adjustment. 6 Visible only if there is an air quality sensor connected to the ATC.


Table 50 System Status, Inputs


Window Contact FALSE Close Open N/A 0 = Close 1 = Open 2 = Hold

Dew Point FALSE Normal Alarm N/A 0 = Normal 1 = Alarm 2 = Hold

Occupancy Sensor FALSE Occ Unocc N/A 0 = Occupied 1 = Unoccupied 2 = Hold

Safety Tstat BI FALSE Normal Alarm N/A 0 = Normal 1 = Alarm 2 = Hold

Changeover Sensor FALSE Summer/Winter N/A 0 = Summer 1 = Winter

Table 51 System Status, Outputs


2 Pipe Valve BO FALSE Off On N/A 0 = Off 1 = On 2 = Hold

Fan Speed AO FALSE % N/A 0% to 100%

Supply Fan BO FALSE Off On N/A 0 = Off 1 = On 2 = Hold

Table 52 System Status, Proportional OA Damper Control


OA Damper PAO FALSE % N/A 0% to 100%

Table 53 System Status, DAO


Electric Heat DAO FALSE % N/A 0% to 100%


Control Setup

Table 54 Control Setup, General


Unit Enable Mode TRUE Shutdown/Enable 1 = Enable 0 = Shutdown 1 = Enable

System Mode Determination TRUE System Mode 5 = Auto 0 = Cool Only 1 = Heat Only 2 = Fan Only 3 = Water Flush 4 = Purge 5 = Auto

Application Tuning Reset TRUE False True 0 = False 0 = False 1 = True 2 = Hold

Deadband TRUE delta °C/°F 1 delta °C 1.8 delta °F


Bypass Time TRUE seconds 3,600 seconds 0 to 7,200 seconds

Control Band TRUE delta °C/°F 1 delta °C 1 delta °F


Setpoints

Table 55 Control Setup, Setpoints, General


Spt Source TRUE Setpoint Source 0 = Network Input 0 = Network Input 1 = Sensor Input 2 = Multiple Inputs

Table 56 Control Setup, Setpoints, Sensor Input


Active Setpoint TRUE °C/°F 20°C 68°F

12 to 28°C 53.6 to 82.4°F

Setpoint Offset TRUE delta °C/°F 4.4 delta °C 8 delta °F



Fan

Table 57 Control Setup, Fan, General


Number of Speeds TRUE Fan Speed 2 = Three Speed 0 = One Speed 1 = Two Speed 2 = Three Speed

Fan Cycling TRUE No/Yes 0 = No 0 = No 1 = Yes

Off During Unoccupied TRUE False True 0 = False 0 = False 1 = True 2 = Hold

Fan On Threshold TRUE % 0.2% 0% to 100%

Fan Off Threshold TRUE % 1% 0% to 100%

Minimum Speed TRUE % 20% 0% to 100%

Supply Fan Low TRUE % 30% 0% to 100%

Supply Fan Medium TRUE % 60% 0% to 100%

Table 58 Control Setup, Fan, Heating


Heating Fan Required TRUE No/Yes 1 = Yes 0 = No 1 = Yes

Max Speed Heating TRUE % 100% 0% to 100%

Heating Purge Duration TRUE seconds 120 seconds 0 to 1,800 seconds

Table 59 Control Setup, Fan, Cooling


Cooling Fan Required TRUE No/Yes 1 = Yes 0 = No 1 = Yes

Max Speed Cooling TRUE % 100% 0% to 100%

Two-Position Heating Control

Table 60 Control Setup, Two-Position Heating Control, General


Minimum On Time TRUE seconds 120 seconds 0 to 1,200 seconds

Minimum Off Time TRUE seconds 120 seconds 0 to 1,200 seconds

Limited Max Heating Value TRUE % 100% 10% to 100%

Heating Adaptive Tuning Enable TRUE Disable/Enable 1 = Enable 0 = Disable 1 = Enable

Heating Manual Tuning TRUE Yes/No 1 = No 0 = Yes 1 = No


Table 61 Control Setup, Two-Position Heating Control, PID (If Heating Manual Tuning = No)


Heating Process ID TRUE Process ID 17 = ZN-T 0 = Airflow 1 = Airflow % 2 = Airflow Diff 3 = Bldg Static ...

Table 62 Control Setup, Two-Position Heating Control, PID (If Heating Manual Tuning = Yes)


Heat Prop Band TRUE N/A 16 1 to 200

Heat Integral Time TRUE seconds 729 seconds 0 to 1,800 seconds

Heat Saturation Time TRUE seconds 600 seconds 1 to 1,800 seconds

Heat Process Range TRUE N/A 22 0 to 1,800

Heat Time Constant TRUE seconds 720 seconds 1 to 1,800 seconds

Heat Process Dead Time TRUE seconds 72 seconds 0 to 1,800 seconds

Heat Period TRUE seconds 60 seconds 0 to 1,800 seconds

Two-Position Cooling Control

Table 63 Control Setup, Two-Position Cooling Control, General


Minimum On Time TRUE seconds 120 seconds 0 to 1,200 seconds

Minimum Off Time TRUE seconds 120 seconds 0 to 1,200 seconds

Limited Max Cooling Value TRUE % 100% 10% to 100%

Cooling Adaptive Tuning Enable TRUE Disable/Enable 1 = Enable 0 = Disable 1 = Enable

Cooling Manual Tuning TRUE Yes/No 1 = No 0 = Yes 1 = No

Table 64 Control Setup, Two-Position Cooling Control, PID (If Cooling Manual Tuning = No)


Process ID TRUE Process ID 17 = ZN-T 0 = Airflow 1 = Airflow % 2 = Airflow Diff 3 = Bldg Static ...


Table 65 Control Setup, Two-Position Cooling Control, PID (If Cooling Manual Tuning = Yes)


Cool Prop Band TRUE N/A 16 1 to 200

Cool Integral Time TRUE seconds 729 seconds 0 to 1,800 seconds

Cool Saturation Time TRUE seconds 600 seconds 1 to 1,800 seconds

Cool Process Range TRUE N/A 22 0 to 1,800

Cool Time Constant TRUE seconds 720 seconds 1 to 1,800 seconds

Cool Process Dead Time TRUE seconds 72 seconds 1 to 1,800 seconds

Cool Period TRUE seconds 60 seconds 0 to 1,800 seconds

Reheat

Table 66 Control Setup, Reheat, General


Reheat IsAvailable TRUE No/Yes 1 = Yes 0 = No 1 = Yes

Electric Heat Cycle Time TRUE seconds 60 seconds 0 to 1,200 seconds

Low Threshold TRUE % 2% 0% to 100%

High Threshold TRUE % 98% 0% to 100%

Adaptive Tuning TRUE False True 1 = True 0 = False 1 = True 2 = Hold

Manual Tuning TRUE Yes/No 1 = No 0 = Yes 1 = No

Table 67 Control Setup, Reheat, PID (If Manual Tuning = No)


Process Identifier TRUE Process ID 17 = ZN-T 0 = Airflow 1 = Airflow % 2 = Airflow Diff 3 = Bldg Static ...


Table 68 Control Setup, Reheat, PID (If Manual Tuning = Yes)


Proportional Band TRUE N/A 16 1 to 200

Integral Time TRUE seconds 729 seconds 0 to 1,800 seconds

Saturation Time TRUE seconds 600 seconds 1 to 1,800 seconds

Process Range TRUE N/A 22 0 to 1,800

Time Constant TRUE seconds 720 seconds 1 to 1,800 seconds

Process Dead Time TRUE seconds 72 seconds 1 to 1,800 seconds

Period TRUE seconds 60 seconds 0 to 1,800 seconds

Indoor Air Quality

Table 69 Control Setup, Indoor Air Quality, CO2



CO2 Prop Band TRUE ppm 1,000 ppm 0 to 10,000 ppm

Return CO2 Sensor Offset TRUE ppm 0 ppm -2,000 to 2,000 ppm

Table 70 Control Setup, Indoor Air Quality, Damper


Damper Maximum Position TRUE % 80% 0% to 100%

Damper Minimum Position TRUE % 20% 0% to 100%

Damper Stroke Time TRUE seconds 60 seconds 1 to 240 seconds

Demand Control

Table 71 Control Setup, Demand Control


Low Range TRUE % 10% 0% to 100%

High Range TRUE % 90% 0% to 100%

Low Range Diff TRUE % 1% 0% to 100%

High Range Diff TRUE % 1% 0% to 100%

Fault Detection and Diagnostics

Table 72 Control Setup, Fault Detection and Diagnostics, General


FDD Enable TRUE Disable/Enable 0 = Disable 0 = Disable 1 = Enable

Start Delay TRUE seconds 900 seconds 0 to 86,400 seconds

Advanced View TRUE True/False False N/A


Table 73 Control Setup, Fault Detection and Diagnostics, Window Open While Occupied Fault


Window Open In Occ Fault Enable TRUE Disable/Enable 0 = Disable 0 = Disable 1 = Enable

Note: This group is visible only if Advanced View is set to true.

Table 74 Control Setup, Fault Detection and Diagnostics, Window Open While Unoccupied Fault


Window Open In Unocc Fault Enable TRUE Disable/Enable 0 = Disable 0 = Disable 1 = Enable


Table 75 Control Setup, Fault Detection and Diagnostics, Insufficient Heating Capacity Fault


Insufficient Htg Cap Fault Enable TRUE Disable/Enable 0 = Disable 0 = Disable 1 = Enable

Insufficient Htg Cap Zone Max Error TRUE delta °C/°F 1 delta °C 1.8 delta °F


Insufficient Htg Cap Sat Delay TRUE seconds 600 seconds 0 to 86,400 seconds


Table 76 Control Setup, Fault Detection and Diagnostics, Insufficient Cooling Capacity Fault


Insufficient Clg Cap Fault Enable TRUE Disable/Enable 0 = Disable 0 = Disable 1 = Enable

Insufficient Clg Cap Zone Max Error TRUE delta °C/°F 1 delta °C 1.8 delta °F


Insufficient Clg Cap Sat Delay TRUE seconds 600 seconds 0 to 86,400 seconds


Table 77 Control Setup, Fault Detection and Diagnostics, Low Zone Temp Fault


Low Zone Temp Fault Enable TRUE Disable/Enable 0 = Disable 0 = Disable 1 = Enable

Low Zone Temp Zone Max Error TRUE delta °C/°F 1 delta °C 1.8 delta °F


Low Zone Temp In Fault Time TRUE seconds 300 seconds 0 to 86,400 seconds



Table 78 Control Setup, Fault Detection and Diagnostics, High Zone Temp Fault


High Zone Temp Fault Enable TRUE Disable/Enable 0 = Disable 0 = Disable 1 = Enable

High Zone Temp Zone Max Error TRUE delta °C/°F 1 delta °C 1.8 delta °F


High Zone Temp In Fault Time TRUE seconds 300 seconds 0 to 86,400 seconds


Table 79 Control Setup, Fault Detection and Diagnostics, Zone Spt Outside Comfort Limits Fault


ZN Spt Out Of Comfort Lim Fault Enable TRUE Disable/Enable 0 = Disable 0 = Disable 1 = Enable

ZN Spt Out Of Comfort Lim Max T Spt TRUE °C/°F 27°C 80.6°F

-20 to 40°C -4 to 104°F

ZN Spt Out Of Comfort Lim Min T Spt TRUE °C/°F 18°C 64.4°F

-20 to 40°C -4 to 104°F


Table 80 Control Setup, Fault Detection and Diagnostics, Incorrect Changeover Setting Fault


Changeover Setting Fault Enable TRUE Disable/Enable 0 = Disable 0 = Disable 1 = Enable

Changeover Setting Zone Max Error TRUE delta °C/°F 1 delta °C 2 delta °F


Changeover Setting In Fault Time TRUE seconds 300 seconds 0 to 86,400 seconds


Table 81 Control Setup, Fault Detection and Diagnostics, Incorrect Setpoint Compensation Fault


Setpoint Compensation Fault Enable TRUE Disable/Enable 0 = Disable 0 = Disable 1 = Enable

Setpoint Compensation Summer Max Diff TRUE delta °C/°F 6 delta °C 10.8 delta °F


Setpoint Compensation Winter Max Diff TRUE delta °C/°F 6 delta °C 10.8 delta °F




Table 82 Control Setup, Fault Detection and Diagnostics, Simultaneous Htg and Clg Fault


Simultaneous Htg Clg Fault Enable TRUE Disable/Enable 0 = Disable 0 = Disable 1 = Enable

Simultaneous Htg Clg Zone Max Error TRUE delta °C/°F 1 delta °C 1.8 delta °F


Simultaneous Htg Clg In Fault Time TRUE seconds 300 seconds 0 to 86,400 seconds


Summer Winter Compensation

Table 83 Control Setup, Summer Winter Compensation, General


SummerWinter FALSE Summer/Winter N/A 0 = Summer 1 = Winter

Table 84 Control Setup, Summer Winter Compensation, Summer


Effective Cooling Shift FALSE °C/°F N/A -20 to 40°C -4 to 104°F

Summer Setpoint TRUE °C/°F 24°C 75.2°F

10 to 60°C 50 to 140°F

Summer Change Limit TRUE °C/°F 2.8 delta °C 5 delta °F

-10 to 10 delta °C -18 to 18 delta °F

Summer Gain TRUE N/A 0.2 0 to 10

Table 85 Control Setup, Summer Winter Compensation, Winter


Effective Heating Shift FALSE °C/°F N/A -20 to 40°C -4 to 104°F

Winter Setpoint TRUE °C/°F 10°C 50°F

-40 to 20°C -40 to 68°F

Winter Change Limit TRUE °C/°F 1.7 delta °C 3 delta °F

-10 to 10 delta °C -18 to 18 delta °F

Winter Gain TRUE N/A -0.1 -10 to 10


Energy Indication

Table 86 Control Setup, Energy Indication


Energy Indication Enable TRUE Disable/Enable 1 = Enable 0 = Disable 1 = Enable

ecoClgSetpoint TRUE °C/°F 24°C 75.2°F

20 to 30°C 68 to 86°F

ecoClgSetpoint Diff TRUE delta °C/°F 2 delta °C 3.6 delta °F


ecoHtgSetpoint TRUE °C/°F 22°C 71.6°F

15 to 25°C 59 to 77°F

ecoHtgSetpoint Diff TRUE delta °C/°F 2 delta °C 3.6 delta °F



Inputs

Table 87 Control Setup, Inputs, Window Contact


Polarity TRUE Normal Reverse 0 = Normal 0 = Normal 1 = Reverse 2 = Hold

Table 88 Control Setup, Inputs, Dew Point



Table 89 Control Setup, Inputs, Occupancy Sensor



Off Delay TRUE seconds 0 seconds 0 to 600 seconds

Table 90 Control Setup, Inputs, Safety Tstat BI




Table 91 Control Setup, Inputs, Changeover Sensor



Outputs

Table 92 Control Setup, Outputs, Fan Speed AO


Min Out Value TRUE % 0% 0% to 100%

Max Out Value TRUE % 100% 0% to 100%

Table 93 Control Setup, Outputs, Supply Fan BO



Table 94 Control Setup, Outputs, Two-pipe Valve BO



Table 95 Control Setup, Outputs, OA Damper PAO




Network Setup

Table 96 Network Setup


Unit Serial Number FALSE Serial Number N/A N/A

Provider Name TRUE Automatic Manual 0 = Automatic 0 = Automatic 1 = Manual

Device Name TRUE7 N/A LC-ATC1500-0_<mac address>

String

Description TRUE N/A CTRL 4UI 2BI 4RO 2BO 3CO

String

Device Object ID TRUE N/A 170<mac address> 0 to 4194302

MSTP Device Address8 FALSE N/A N/A 4 to 127

N2 Address9 TRUE N/A N/A 1 to 253

Modbus Address10 TRUE N/A N/A 1 to 247

Communication Status FALSE MSTPDL Port Status

N/A 0 = Not Configured 1 = Active 2 = Waiting For Poll For Master 3 = Not Received Token For Long ...

FCB Baud Rate TRUE MSTPDL Baud Rate

0 = Auto 0 = Auto 1 = 1200 2 = 9600 3 = 19200 ...

FC Comm Mode TRUE FC Bus Mode 0 = Wired Field Bus 0 = Wired Field Bus 1 = Wireless Field Bus 2 = N2 Field Bus 3 = Modbus Field Bus ...

BACnet Encoding Type TRUE BACnet Encoding 0 = ISO 10646 (UCS-2) 0 = ISO 10646 (UCS-2) 1 = ANSI X3.4 (US-ASCII) 2 = Microsoft DBCS code page 932 (Japanese Shift JIS) 3 = ISO 10646 (UTF-8)

7 Device Name is writeable only if Provider Name is set to 1 (Manual). 8 Visible only if FC Comm Mode = Wired Field Bus 9 Visible only if FC Comm Mode = N2 Field Bus 10 Visible only if FC Comm Mode = Modbus Field Bus


Commissioning

Table 97 Commissioning, General


Start Commission TRUE Normal/Trigger 0 = Normal 0 = Normal 1 = Trigger

Table 98 Commissioning, Fan


Fan Speed AO TRUE % 0% 0% to 100%

Supply Fan BO TRUE Off/On 0 = Off 0 = Off 1 = On

Table 99 Commissioning, Valve


2 Pipe Valve BO TRUE Off/On 0 = Off 0 = Off 1 = On

Table 100 Commissioning, Damper


Damper PAO TRUE % 0% 0% to 100%

Table 101 Commissioning, DAO


Electric Heat DAO TRUE % 0% 0% to 100%

Controller Info

Table 102 Controller Info, General


Units TRUE Unit Set 1 = SI 0 = IP 1 = SI


Table 103 Controller Info, Device Info


Model Name FALSE N/A N/A String

Firmware Status FALSE PMO Firmware Versions Status

N/A 0 = Firmware Versions OK 1 = Firmware Versions Do Not Match the Package

Firmware Main Version FALSE N/A N/A String

Application Name FALSE N/A N/A String

Appl SW Version FALSE N/A N/A String

Equipment Archive Version FALSE N/A N/A String

Table 104 Controller Info, Time

Reference name

Writeable Unit Default value Enum set or range

Date FALSE N/A N/A N/A

Time FALSE N/A N/A N/A

Time Zone TRUE Time Zone

3 = (UTC+01:00) Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna

1 = (UTC+00:00) Monrovia, Reykjavik 2 = (UTC+00:00) Greenwich Mean Time : Dublin, Edinburgh, Lisbon, London 3 = (UTC+01:00) Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna 4 = (UTC+01:00) Belgrade, Bratislava, Budapest, Ljubljana, Prague ...


BACnet and N2 bus points This section lists the points that are BACnet-exposed. You can map these points into a BAS system that supports BACnet integrations.


Table 105 BACnet and N2 bus points

Name (Reference name)

BACnet point type and ID

N2 point type and

index

Writeable Enum set or range

Unit Status (Views Unit Status)

MV:28000 ADI:1 FALSE 0 = Heat 1 = Cool 2 = Fan Only 3 = Balancing 4 = Satisfied 5 = Off

Application Tuning Reset MV:28001 ADI:2 TRUE 0 = False 1 = True 2 = Hold

Unit Enable Mode MV:28002 BD:1 TRUE 0 = Shutdown 1 = Enable

Occupied State MV:28003 ADI:3 FALSE 0 = Heating 1 = Satisfied 2 = Cooling 3 = Supp Htg 4 = Temperature Unreliable

Unoccupied State MV:28004 ADI:4 FALSE 0 = Not Unoccupied 1 = Temperature Unreliable 2 = Unocc Htg/Clg Check 3 = Unoccupied Off

System Mode Determination

MV:28006 ADI:6 TRUE 0 = Cool Only 1 = Heat Only 2 = Fan Only 3 = Water Flush 4 = Purge 5 = Auto

System Mode MV:28007 ADI:7 FALSE 0 = Cool Only 1 = Heat Only 2 = Fan Only 3 = Water Flush 4 = Purge 5 = Auto




N2 point type and

index


Heat Cool Mode Destination

MV:28008 ADI:8 TRUE 0 = Cool Only 1 = Heat Only 2 = Fan Only 3 = Water Flush 4 = Purge 5 = Auto

Effective HVAC Mode (Spaces Unit Status)

MV:28009 ADI:9 FALSE 0 = Not In Use 1 = Off 2 = Heat 3 = Cool 4 = Fan Only

Device Status MV:28010 ADI:10 FALSE 0 = Main Download Req 1 = Code Download 2 = Class Code Download 3 = Subclass Download 4 = Instance Download 5 = Startup 6 = Operational 7 = Subclass Upload 8 = Instance Upload ...

Firmware Status MV:28011 BD:2 FALSE 0 = Firmware Versions OK 1 = Firmware Versions Do Not Match the Package

N2 Address AV:28000 ADI:11 FALSE 1 to 253

Modbus Address AV:28001 ADI:12 FALSE 1 to 247

MSTP Device Address AV:28002 ADI:13 FALSE 4 to 127

Device Object ID AV:28003 ADI:14 TRUE 0 to 4194302

FC Comm Mode MV:28012 ADI:15 TRUE 0 = Wired Field Bus 1 = Wireless Field Bus 2 = N2 Field Bus 3 = Modbus Field Bus 4 = Ethernet Field Bus 255 = Indeterminate FC Bus Mode

Communication Status MV:28013 ADI:16 FALSE 0 = Not Configured 1 = Active 2 = Waiting For Poll For Master 3 = Not Received Token For Long 4 = Duplicate MAC Address 5 = Forcing BAUD 6 = Remote Trunk




N2 point type and

index


FCB Baud Rate MV:28014 ADI:17 TRUE 0 = Auto 1 = 1200 2 = 9600 3 = 19200 4 = 38400 5 = 76800

Operating Baud Rate MV:28015 ADI:18 FALSE 0 = Auto 1 = 1200 2 = 9600 3 = 19200 4 = 38400 5 = 76800

BACnet Encoding Type MV:28016 ADI:19 TRUE 0 = ISO 10646 (UCS-2) 1 = ANSI X3.4 (US-ASCII) 2 = Microsoft DBCS code page 932 (Japanese Shift JIS) 3 = ISO 10646 (UTF-8)

Time Zone MV:28017 ADI:20 TRUE 1 = (UTC+00:00) Monrovia, Reykjavik 2 = (UTC+00:00) Greenwich Mean Time : Dublin, Edinburgh, Lisbon, London 3 = (UTC+01:00) Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna 4 = (UTC+01:00) Belgrade, Bratislava, Budapest, Ljubljana, Prague 5 = (UTC+01:00) Brussels, Copenhagen, Madrid, Paris 6 = (UTC+01:00) Sarajevo, Skopje, Warsaw, Zagreb 7 = (UTC+01:00) West Central Africa 8 = (UTC+02:00) Athens, Bucharest 9 = (UTC+02:00) Chisinau ...

Units MV:28018 BD:3 TRUE 0 = IP 1 = SI

Relearn System MV:28019 BD:4 TRUE 0 = False 1 = True

Provider Name MV:28020 BD:5 TRUE 0 = Automatic 1 = Manual




N2 point type and

index


Heating Control Status (Heating Control Status)

MV:28027 ADI:23 FALSE 0 = Normal 1 = Low 2 = Timing Low 3 = High 4 = Timing High 5 = Disabled 6 = Overridden

2 Pipe Valve BO (HC-C)

MV:28028 BO:4 FALSE 0 = Off 1 = On 2 = Hold

Heating Setpoint (Heating Setpoint)

AV:28005 ADF:2 FALSE 0 to 100°C (32 to 212°F)

Htg Minimum On Time (Htg Minimum On Time)

AV:28006 ADF:3 TRUE 0 to 1200 seconds

Htg Minimum Off Time (Htg Minimum Off Time)


Limited Max Heating Value (Limited Max Value)

AV:28008 ADF:5 TRUE 10 to 100%

Heating Mode (Heating Mode)

MV:28029 ADI:24 FALSE 0 = Off 1 = Max 2 = Limited Max 3 = Hold 4 = Water Flush 5 = Control 6 = Failsoft

Heating Adaptive Tuning Enable (Htg Adaptive Tuning)

MV:28030 BD:7 TRUE 0 = Disable 1 = Enable

Heating Manual Tuning (Htg Standard Tuning)

MV:28031 BD:8 TRUE 0 = Yes 1 = No

Heat Prop Band (Heat Prop Band)

AV:28009 ADF:6 TRUE 1 to 200

Heat Integral Time (Heat Integral Time)


Heat Saturation Time (Heat Saturation Time)


Heat Process Range (Heat Process Range)

AV:28012 ADF:9 TRUE 0 to 1800

Heat Time Constant (Heat Time Constant)





N2 point type and

index


Heat Process Dead Time (Heat Process Dead Time)


Heat Period (Heat Period)


Heating Process ID (Htg Process ID)

MV:28032 ADI:25 TRUE 0 = Airflow 1 = Airflow % 2 = Airflow Diff 3 = Bldg Static 4 = CHWS-T HEX 5 = CHWS-T Mixing 6 = CWS-T 7 = DA-H 8 = DA-T ...

Two Position Polarity MV:28033 BO:5 TRUE 0 = Normal 1 = Reverse 2 = Hold

Control Band (Control Band)

AV:28016 ADF:13 TRUE 0 to 5 delta °C (0 to 5 delta °F)

Cooling Setpoint (Cooling Setpoint)


Cooling Control Status (Cooling Control Status)


Clg Minimum On Time (Clg Minimum On Time)


Clg Minimum Off Time (Clg Minimum Off Time)


Limited Max Cooling Value (Limited Max Value)

AV:28021 ADF:18 TRUE 10 to 100%

Cooling Mode (Cooling Mode)





N2 point type and

index


Cooling Adaptive Tuning Enable (Clg Adaptive Tuning)


Cooling Manual Tuning (Clg Standard Tuning)

MV:28038 BD:10 TRUE 0 = Yes 1 = No

Cool Prop Band (Clg Proportional Band)

AV:28022 ADF:19 TRUE 1 to 200

Cool Integral Time (Clg Integral Time)


Cool Saturation Time (Clg Saturation Time)


Cool Process Range (Clg Process Range)

AV:28025 ADF:22 TRUE 0 to 1800

Cool Time Constant (Clg Time Constant)


Cool Process Dead Time (Clg Process Dead Time)


Cool Period (Clg Period)


Cool Process ID (Clg Process ID)


Damper State (State)

MV:28040 ADI:29 FALSE 0 = Off 1 = On 2 = Max

Damper Maximum Position (Damper Max Position)

AV:28029 ADF:26 TRUE 0 to 100%

Damper Minimum Position (OA Damper Minimum Position)

AV:28030 ADF:27 TRUE 0 to 100%

Damper Percent Cmd (Damper Percent Cmd)

AV:28031 ADF:28 FALSE 0 to 100%




N2 point type and

index


Damper OpenClose (Damper OpenClose)

MV:28041 BD:11 FALSE 0 = Close 1 = Open

CO2 Prop Band (CO2 Prop Band)

AV:28032 ADF:29 TRUE 0 to 10000 ppm

OA Damper PAO AV:28033 AO:1 FALSE 0 to 100%

Damper Polarity MV:28043 ADI:63 TRUE 0 = Normal 1 = Reverse 2 = Hold

Return CO2 Sensor Offset

AV:28034 AI:1 TRUE -2000 to 2000 ppm

IAQ (State)

MV:28045 ADI:32 FALSE 0 = Unreliable 1 = Low Priority 2 = Medium Priority 3 = High Priority 4 = Timed Override 5 = Input Not Installed

Occupancy Override MV:28046 ADI:33 TRUE 0 = Occupied 1 = UnOccupied 2 = Bypass 3 = Standby 4 = Not Set

Occupancy Schedule MV:28047 ADI:34 TRUE 0 = Occupied 1 = UnOccupied 2 = Standby 3 = Not Set

Effective Occupancy (Effective Occupancy)

MV:28048 ADI:35 FALSE 0 = Occupied 1 = UnOccupied 2 = Bypass 3 = Standby

Bypass Time (Bypass Time)


Off Delay (Delay)


Temporary Occupancy (Spaces Occupancy)

MV:28049 BD:12 TRUE 0 = Normal 1 = Trigger

FDD Enable (FDD Enable)


Start Delay (Start Delay)





N2 point type and

index


Insufficient Htg Cap Sat Delay (Insufficient Htg Cap Sat Delay)


Insufficient Htg Cap Zone Max Error (Insufficient Htg Cap Zone Max Error)


Insufficient Clg Cap Zone Max Error (Insufficient Clg Cap Zone Max Error)


Low Zone Temp Zone Max Error (Low Zone Temp Zone Max Error)


High Zone Temp Zone Max Error (High Zone Temp Zone Max Error)


ZN Spt Out Of Comfort Lim Min T Spt (ZN Spt Out Of Comfort Lim Min T Spt)

AV:28043 ADF:38 TRUE -20 to 40°C (-4 to 104°F)

ZN Spt Out Of Comfort Lim Max T Spt (ZN Spt Out Of Comfort Lim Max T Spt)


Changeover Setting Zone Max Error (Changeover Setting Zone Max Error)


Setpoint Compensation Winter Max Diff (Setpoint Compensation Winter Max Diff)


Setpoint Compensation Summer Max Diff (Setpoint Compensation Summer Max Diff)


Insufficient Clg Cap Sat Delay (Insufficient Clg Cap Sat Delay)





N2 point type and

index


FDD (State)

MV:28051 BD:14 FALSE 0 = Disable 1 = Enable

Simultaneous HtgClg Zone Max Error (Simultaneous HtgClg Zone Max Error)


Window Open While Occupied Fault (Window Open While Occupied Fault)

MV:28052 BD:16 FALSE 0 = Normal 1 = Alarm

Window Open While Unoccupied Fault (Window Open While Unoccupied Fault)


Insufficient Cooling Capacity Fault (Insufficient Cooling Capacity Fault)


Insufficient Heating Capacity Fault (Insufficient Heating Capacity Fault)


Zone Spt Outside Comfort Limits Fault (Zone Spt Outside Comfort Limits Fault)


High Zone Temp Fault (High Zone Temp Fault)


Low Zone Temp Fault (Low Zone Temp Fault)


Incorrect Changeover Setting Fault (Incorrect Changeover Setting Fault)


Incorrect Setpoint Compensation Fault (Incorrect Setpoint Compensation Fault)


Simultaneous Htg and Clg Fault (Simultaneous Htg and Clg Fault)





N2 point type and

index


Window Open In Occ In Fault Time (Window Open In Occ In Fault Time)


Window Open In Unocc In Fault Time (Window Open In Unocc In Fault Time)


Low Zone Temp In Fault Time (Low Zone Temp In Fault Time)


High Zone Temp In Fault Time (High Zone Temp In Fault Time)


Changeover Setting In Fault Time (Changeover Setting In Fault Time)


Simultaneous Htg Clg In Fault Time (Simultaneous Htg Clg In Fault Time)


Window Open In Occ Fault Enable (Window Open In Occ Fault Enable)


Window Open In Unocc Fault Enable (Window Open In Unocc Fault Enable)


Insufficient Htg Cap Fault Enable (Insufficient Htg Cap Fault Enable)


Insufficient Clg Cap Fault Enable (Insufficient Clg Cap Fault Enable)


Low Zone Temp Fault Enable (Low Zone Temp Fault Enable)





N2 point type and

index


High Zone Temp Fault Enable (High Zone Temp Fault Enable)


Changeover Setting Fault Enable (Changeover Setting Fault Enable)


Setpoint Compensation Fault Enable (Setpoint Compensation Fault Enable)


ZN Spt Out Of Comfort Lim Fault Enable (ZN Spt Out Of Comfort Lim Fault Enable)


Simultaneous Htg Clg Fault Enable (Simultaneous Htg Clg Fault Enable)


ecoClgSetpoint (ecoClgSetpoint)

AV:28056 ADF:51 TRUE 20 to 30°C (68 to 86°F)

Energy Indicator (Energy Indication)

MV:28072 ADI:36 FALSE 0 = Off 1 = Red 2 = Green

ecoHtgSetpoint (ecoHtgSetpoint)


Energy Indication Enable (Enable)


Energy Indicator Reset MV:28074 BD:37 TRUE 0 = False 1 = True

ecoHtgSetpoint Diff (ecoHtgSptDiff)


ecoClgSetpoint Diff (ecoClgSptDiff)


CO2 Setpoint AV:28060 ADF:55 TRUE 0 to 10000 ppm

Unocc Cooling Setpoint AV:28061 ADF:56 TRUE 15 to 30°C (59 to 86°F)

Unocc Heating Setpoint AV:28062 ADF:57 TRUE 10 to 25°C (50 to 77°F)




N2 point type and

index


Standby Cooling Setpoint AV:28063 ADF:58 TRUE 10 to 30°C (50 to 86°F)

Standby Heating Setpoint


Freeze Stat Setpoint (Freeze Stat Setpoint)


Frost Protect Differential (Differential)


Effective Cooling Setpoint (Eff Clg Spt)

AV:28067 ADF:62 FALSE -20 to 40°C (-4 to 104°F)

Effective Heating Setpoint (Eff Htg Spt)


Network Setpoint (NSP&P Setpoint)

AV:28069 ADF:64 TRUE 12 to 28°C (53.6 to 82.4°F)

Deadband (Deadband)


Spt Source (Zone Setpoint Source)

MV:28075 ADI:37 TRUE 0 = Network Input 1 = Sensor Input 2 = Multiple Inputs

Space Vote (Space Vote)

MV:29990 ADI:38 FALSE 0 = Urgent Heat 1 = Heat 2 = Satisfied 3 = Cool 4 = Urgent Cool

Low Range (Low Range)

AV:28071 ADF:66 TRUE 0 to 100%

High Range (High Range)

AV:28072 ADF:67 TRUE 0 to 100%

Low Range Diff (Low Range Diff)

AV:28073 ADF:68 TRUE 0 to 100%

High Range Diff (High Range Diff)

AV:28074 ADF:69 TRUE 0 to 100%

Fan BO MV:28077 ADI:39 FALSE 0 = Off 1 = On 2 = Hold

Fan Speed AO AV:28075 ADF:70 FALSE 0 to 100%




N2 point type and

index


Percent Cmd (Percent Cmd)

AV:28076 ADF:71 FALSE 0 to 100%

Fan Mode (Mode)

MV:28078 ADI:40 FALSE 0 = Off 1 = On 2 = Max

Minimum Speed (Minimum Speed)

AV:28077 ADF:72 TRUE 0 to 100%

Max Speed Cooling (Max Speed Cooling)

AV:28078 ADF:73 TRUE 0 to 100%

Max Speed Heating (Max Speed Heating)

AV:28079 ADF:74 TRUE 0 to 100%

Supply Fan Low (Supply Fan Low)

AV:28080 ADF:75 TRUE 0 to 100%

Supply Fan Medium (Supply Fan Medium)

AV:28081 ADF:76 TRUE 0 to 100%

Fan Min Out Value AV:28082 ADF:77 TRUE 0 to 100%

Fan BO Polarity MV:28079 ADI:41 TRUE 0 = Normal 1 = Reverse 2 = Hold

Fan Max Out Value AV:28083 ADF:78 TRUE 0 to 100%

Network Override Indoor Air Quality

AV:28084 ADF:79 TRUE 0 to 10000 ppm

Operational Indoor Air Quality (Present Value)

AV:28085 ADF:80 FALSE 0 to 10000 ppm

Network Override Outdoor Air Temperature

AV:28086 ADF:81 TRUE -46 to 94°C (-50.8 to 201.2°F)

Network Override Zone Temperature

AV:28087 ADF:82 TRUE -18 to 38°C (-0.4 to 100.4°F)

Operational Zone Temperature (Present Value)

AV:28088 ADF:83 FALSE -18 to 38°C (-0.4 to 100.4°F)

Operational Outdoor Air Temperature (Present Value)

AV:28089 ADF:84 FALSE -18 to 38°C (-0.4 to 100.4°F)

Condensate Alarm BI MV:28080 BI:1 FALSE 0 = Normal 1 = Alarm 2 = Hold




N2 point type and

index


SummerWinter BI MV:28081 BI:2 FALSE 0 = Summer 1 = Winter 2 = Hold

Window Status BI MV:28082 BI:3 FALSE 0 = Close 1 = Open 2 = Hold

Occupancy Sensor BI MV:28083 BI:4 FALSE 0 = Occupied 1 = Unoccupied 2 = Hold

Occupancy Sensor Polarity

MV:28084 BI:5 TRUE 0 = Normal 1 = Reverse 2 = Hold

Window Contact Polarity MV:28085 BI:6 TRUE 0 = Normal 1 = Reverse 2 = Hold

Dew Point Contact Polarity

MV:28086 BI:7 TRUE 0 = Normal 1 = Reverse 2 = Hold

Summer Winter Polarity MV:28087 BI:8 TRUE 0 = Normal 1 = Reverse 2 = Hold

Safety Tstat BI MV:28088 BI:9 FALSE 0 = Normal 1 = Alarm 2 = Hold

Safety Tstat Polarity MV:28089 BI:10 TRUE 0 = Normal 1 = Reverse 2 = Hold

Effective Cooling Shift AV:28090 ADF:85 FALSE -20 to 40°C (-4 to 104°F)

Effective Heating Shift AV:28091 ADF:86 FALSE -20 to 40°C (-4 to 104°F)

Winter Setpoint AV:28092 ADF:87 TRUE -40 to 20°C (-40 to 68°F)

Summer Setpoint AV:28093 ADF:88 TRUE 10 to 60°C (50 to 140°F)

Summer Change Limit AV:28094 ADF:89 TRUE -10 to 10 delta °C (-18 to 18 delta °F)

Winter Change Limit AV:28095 ADF:90 TRUE -10 to 10 delta °C (-18 to 18 delta °F)




N2 point type and

index


Summer Gain AV:28096 ADF:91 TRUE 0 to 10

Winter Gain AV:28097 ADF:92 TRUE -10 to 10

SummerWinter MV:28090 BD:38 FALSE 0 = Summer 1 = Winter

Start Commission MV:28091 BD:39 TRUE 0 = Normal 1 = Trigger

HC-C Ovrd MV:28092 BD:40 TRUE 0 = Off 1 = On

SF-C Ovrd (SF-C Ovrd)

MV:28093 BD:41 TRUE 0 = Off 1 = On

HC-O Ovrd (HC-O Ovrd)

AV:28098 ADF:93 TRUE 0 to 100%

SF-O Ovrd AV:28099 ADF:94 TRUE 0 to 100%

OAD-C Ovrd MV:28094 BD:42 TRUE 0 = Off 1 = On

SFL-C Ovrd MV:28095 BD:43 TRUE 0 = Off 1 = On

SFM-C Ovrd MV:28096 BD:44 TRUE 0 = Off 1 = On

SFH-C Ovrd MV:28097 BD:45 TRUE 0 = Off 1 = On

OAD-O Ovrd AV:28100 ADF:95 TRUE 0 to 100%

SuppHtg-O Ovrd AV:28101 ADF:96 TRUE 0 to 100%

Fan Status MV:28098 BD:46 FALSE 0 = Off 1 = On

Zone Temperature (Zone Temperature)


CO2 (Carbon Dioxide)

AV:28103 ADF:98 FALSE 0 to 10000 ppm

Zone Occupancy Request (Occupancy Request)

MV:28099 ADI:42 FALSE 0 = Occupied 1 = UnOccupied 2 = Not Set

Warmer/Cooler Adjust (Setpoint Request)

AV:28104 ADF:99 FALSE -100 to 100 delta °C (-100 to 100 delta °F)




N2 point type and

index


Setpoint Offset (Active Fan Status)

AV:28105 ADF:100 TRUE 0.01 to 10 delta °C (0.02 to 18 delta °F)

Indoor Air Quality Sensor Installed (Carbon Dioxide)

MV:28100 ADI:43 FALSE 0 = Reliable 1 = No Input 2 = Out of range high 3 = Out of range low 4 = Open 5 = Shorted 6 = No Output 7 = Unreliable 8 = Process Error ...

Occupancy Status Display (Occupancy Status Display)

MV:28101 ADI:44 FALSE 0 = Occupied 1 = UnOccupied 2 = Standby 3 = Not Set

Fan Speed Request (Fan Speed Request)

MV:28102 ADI:45 FALSE 0 = Auto 1 = Off 2 = Low 3 = Medium 4 = High

Active Setpoint (NSP&P Active Setpoint)

AV:28106 ADF:101 TRUE 12 to 28°C (53.6 to 82.4°F)

Network/Zone Sensor Setpoint (NSP&P Setpoint)


Zone Temperature Setpoint Alternate (NSP&P Active Setpoint)

AV:28108 ADF:103 FALSE 12 to 28°C (53.6 to 82.4°F)

Heating Percent Cmd (Heating Percent Cmd)

AV:28109 ADF:104 FALSE 0 to 100%

Cooling Percent Cmd (Cooling Percent Cmd)

AV:28122 ADF:117 FALSE 0 to 100%

Damper (Floating Damper)

MV:28115 BD:51 FALSE 0 = On/Off 1 = Floating

Fan Type (Fan Type)

MV:28116 ADI:54 FALSE 0 = Constant Volume Fan 1 = Fixed Variable Fan

Valve (Valve Type)

MV:28117 BD:52 FALSE 0 = Staged 1 = Proportional

Application Details (App SW Version)

AV:28133 ADI:55 FALSE 0 to 1000000000




N2 point type and

index


Application Name (App Name)

AV:28134 ADF:128 FALSE 0 to 10000

Fan Cycling (FAN-CYCLE)

MV:28118 BD:53 TRUE 0 = No 1 = Yes

Fan On Threshold (Fan On Threshold)

AV:28135 ADF:129 TRUE 0 to 100%

Fan Off Threshold (Fan Off Threshold)

AV:28136 ADF:130 TRUE 0 to 100%

Heating Purge Duration (HTG-PURGETIME)


Fan State (FAN-STATE)

MV:28119 BD:54 FALSE 0 = Off 1 = On

Off During Unoccupied (Off During Unoccupied)

MV:28120 ADI:56 TRUE 0 = False 1 = True 2 = Hold

Cooling Fan Required (Cooling Fan Required)

MV:28121 BD:55 TRUE 0 = No 1 = Yes

Heating Fan Required (Heating Fan Required)

MV:28122 BD:56 TRUE 0 = No 1 = Yes

Fan Speed Override (Fan Speed Override)

MV:28123 ADI:57 TRUE 0 = Auto 1 = Off 2 = Low 3 = Medium 4 = High

Eff Fan Speed Cmd (Effective Fan Override)

MV:28124 ADI:58 FALSE 0 = Auto 1 = Off 2 = Low 3 = Medium 4 = High

Electric Heat DAO (SUPHTG-O)

AV:28138 AO:3 FALSE 0 to 100%

Aux Heat Setpoint (Setpoint)


Reheat Control Status (Control Status)





N2 point type and

index


Reheat Percent Cmd (Percent Cmd)

AV:28140 ADF:133 FALSE 0 to 100%

Aux Heat Process Variable (Process Variable)


Reheat IsAvailable (Supp Heating isAvailable)

MV:28126 BD:57 TRUE 0 = No 1 = Yes

Electric Heat Cycle Time (SUPHTG-O)

AV:28142 AO:4 TRUE 0 to 1200 seconds

High Threshold (SUPHTG-O)

AV:28143 AO:5 TRUE 0 to 100%

Low Threshold (SUPHTG-O)

AV:28144 AO:6 TRUE 0 to 100%

Reheat Mode (Mode)


Aux Heat Adaptive Tuning Enable (Adaptive Tuning)

MV:28128 ADI:61 TRUE 0 = False 1 = True 2 = Hold

Aux Heat Manual Tuning (Standard Tuning)

MV:28129 BD:58 TRUE 0 = Yes 1 = No

Aux Heat Process ID (Process ID)


Aux Heat Prop Band (Heat Prop Band)

AV:28145 ADF:135 TRUE 1 to 200

Aux Heat Integral Time (Heat Integral Time)





N2 point type and

index


Aux Heat Saturation Time (Heat Saturation Time)


Aux Heat Process Range (Heat Process Range)

AV:28148 ADF:138 TRUE 0 to 1800

Aux Heat Time Constant (Heat Time Constant)


Aux Heat Process Dead Time (Heat Process Dead Time)


Aux Heat Period (Heat Period)


Damper Stroke Time AV:28152 ADF:142 TRUE 1 to 240 seconds


Modbus bus points This section lists the points that are Modbus-exposed. You can map these points into a BAS system that supports Modbus integrations.


Table 106 Modbus bus points

Name (Reference name) Point type index

Value offset

Scale factor

Enum set or range

Unit Status (Views Unit Status)

InpReg:0 0 1 0 = Heat 1 = Cool 2 = Fan Only 3 = Balancing 4 = Satisfied 5 = Off

Application Tuning Reset HolReg:1 0 1 0 = False 1 = True 2 = Hold

Unit Enable Mode HolReg:2 0 1 0 = Shutdown 1 = Enable

Occupied State InpReg:3 0 1 0 = Heating 1 = Satisfied 2 = Cooling 3 = Supp Htg 4 = Temperature Unreliable

Unoccupied State InpReg:4 0 1 0 = Not Unoccupied 1 = Temperature Unreliable 2 = Unocc Htg/Clg Check 3 = Unoccupied Off

System Mode Determination

HolReg:6 0 1 0 = Cool Only 1 = Heat Only 2 = Fan Only 3 = Water Flush 4 = Purge 5 = Auto

System Mode InpReg:7 0 1 0 = Cool Only 1 = Heat Only 2 = Fan Only 3 = Water Flush 4 = Purge 5 = Auto



Value offset

Scale factor

Enum set or range

Heat Cool Mode Destination

HolReg:8 0 1 0 = Cool Only 1 = Heat Only 2 = Fan Only 3 = Water Flush 4 = Purge 5 = Auto

Effective HVAC Mode (Spaces Unit Status)

InpReg:9 0 1 0 = Not In Use 1 = Off 2 = Heat 3 = Cool 4 = Fan Only

Device Status InpReg:13 0 1 0 = Main Download Req 1 = Code Download 2 = Class Code Download 3 = Subclass Download 4 = Instance Download 5 = Startup 6 = Operational 7 = Subclass Upload 8 = Instance Upload ...

Firmware Status InpReg:17 0 1 0 = Firmware Versions OK 1 = Firmware Versions Do Not Match the Package

N2 Address HolReg:24 0 1 1 to 253

Modbus Address HolReg:25 0 1 1 to 247

MSTP Device Address HolReg:26 0 1 4 to 127

Device Object ID HolReg:27 0 1 0 to 4194302

FC Comm Mode HolReg:28 0 1 0 = Wired Field Bus 1 = Wireless Field Bus 2 = N2 Field Bus 3 = Modbus Field Bus 4 = Ethernet Field Bus 255 = Indeterminate FC Bus Mode

Communication Status InpReg:29 0 1 0 = Not Configured 1 = Active 2 = Waiting For Poll For Master 3 = Not Received Token For Long 4 = Duplicate MAC Address 5 = Forcing BAUD 6 = Remote Trunk



Value offset

Scale factor

Enum set or range

FCB Baud Rate HolReg:30 0 1 0 = Auto 1 = 1200 2 = 9600 3 = 19200 4 = 38400 5 = 76800

Operating Baud Rate InpReg:31 0 1 0 = Auto 1 = 1200 2 = 9600 3 = 19200 4 = 38400 5 = 76800

BACnet Encoding Type HolReg:32 0 1 0 = ISO 10646 (UCS-2) 1 = ANSI X3.4 (US-ASCII) 2 = Microsoft DBCS code page 932 (Japanese Shift JIS) 3 = ISO 10646 (UTF-8)

Time Zone HolReg:35 0 1 1 = (UTC+00:00) Monrovia, Reykjavik 2 = (UTC+00:00) Greenwich Mean Time : Dublin, Edinburgh, Lisbon, London 3 = (UTC+01:00) Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna 4 = (UTC+01:00) Belgrade, Bratislava, Budapest, Ljubljana, Prague 5 = (UTC+01:00) Brussels, Copenhagen, Madrid, Paris 6 = (UTC+01:00) Sarajevo, Skopje, Warsaw, Zagreb 7 = (UTC+01:00) West Central Africa 8 = (UTC+02:00) Athens, Bucharest 9 = (UTC+02:00) Chisinau ...

Units HolReg:36 0 1 0 = IP 1 = SI

Relearn System HolReg:37 0 1 0 = False 1 = True

Provider Name HolReg:39 0 1 0 = Automatic 1 = Manual

Heating Control Status (Heating Control Status)

InpReg:47 0 1 0 = Normal 1 = Low 2 = Timing Low 3 = High 4 = Timing High 5 = Disabled 6 = Overridden



Value offset

Scale factor

Enum set or range

2 Pipe Valve BO (HC-C)

InpReg:48 0 1 0 = Off 1 = On 2 = Hold

Heating Setpoint (Heating Setpoint)

InpReg:49 0 1 0 to 100°C (32 to 212°F)

Htg Minimum On Time (Htg Minimum On Time)

HolReg:50 0 1 0 to 1200 seconds

Htg Minimum Off Time (Htg Minimum Off Time)


Limited Max Heating Value (Limited Max Value)

HolReg:52 0 1 10 to 100%

Heating Mode (Heating Mode)

InpReg:53 0 1 0 = Off 1 = Max 2 = Limited Max 3 = Hold 4 = Water Flush 5 = Control 6 = Failsoft

Heating Adaptive Tuning Enable (Htg Adaptive Tuning)

HolReg:54 0 1 0 = Disable 1 = Enable

Heating Manual Tuning (Htg Standard Tuning)

HolReg:55 0 1 0 = Yes 1 = No

Heat Prop Band (Heat Prop Band)

HolReg:56 0 1 1 to 200

Heat Integral Time (Heat Integral Time)


Heat Saturation Time (Heat Saturation Time)


Heat Process Range (Heat Process Range)

HolReg:59 0 1 0 to 1800

Heat Time Constant (Heat Time Constant)


Heat Process Dead Time (Heat Process Dead Time)


Heat Period (Heat Period)




Value offset

Scale factor

Enum set or range

Heating Process ID (Htg Process ID)

HolReg:63 0 1 0 = Airflow 1 = Airflow % 2 = Airflow Diff 3 = Bldg Static 4 = CHWS-T HEX 5 = CHWS-T Mixing 6 = CWS-T 7 = DA-H 8 = DA-T ...

Two Position Polarity HolReg:64 0 1 0 = Normal 1 = Reverse 2 = Hold

Control Band (Control Band)

HolReg:65 0 1 0 to 5 delta °C (0 to 5 delta °F)

Cooling Setpoint (Cooling Setpoint)

InpReg:67 0 1 0 to 100°C (32 to 212°F)

Cooling Control Status (Cooling Control Status)


Clg Minimum On Time (Clg Minimum On Time)


Clg Minimum Off Time (Clg Minimum Off Time)


Limited Max Cooling Value (Limited Max Value)

HolReg:71 0 1 10 to 100%

Cooling Mode (Cooling Mode)


Cooling Adaptive Tuning Enable (Clg Adaptive Tuning)


Cooling Manual Tuning (Clg Standard Tuning)

HolReg:75 0 1 0 = Yes 1 = No



Value offset

Scale factor

Enum set or range

Cool Prop Band (Clg Proportional Band)

HolReg:76 0 1 1 to 200

Cool Integral Time (Clg Integral Time)


Cool Saturation Time (Clg Saturation Time)


Cool Process Range (Clg Process Range)

HolReg:79 0 1 0 to 1800

Cool Time Constant (Clg Time Constant)


Cool Process Dead Time (Clg Process Dead Time)


Cool Period (Clg Period)


Cool Process ID (Clg Process ID)


Damper State (State)

InpReg:84 0 1 0 = Off 1 = On 2 = Max

Damper Maximum Position (Damper Max Position)

HolReg:85 0 1 0 to 100%

Damper Minimum Position (OA Damper Minimum Position)

HolReg:86 0 1 0 to 100%

Damper Percent Cmd (Damper Percent Cmd)

InpReg:87 0 1 0 to 100%

Damper OpenClose (Damper OpenClose)

InpReg:88 0 1 0 = Close 1 = Open

CO2 Prop Band (CO2 Prop Band)

HolReg:89 0 1 0 to 10000 ppm

OA Damper PAO InpReg:90 0 1 0 to 100%



Value offset

Scale factor

Enum set or range

Damper Polarity HolReg:92 0 1 0 = Normal 1 = Reverse 2 = Hold

Return CO2 Sensor Offset HolReg:94 0 1 -2000 to 2000 ppm

IAQ (State)

InpReg:95 0 1 0 = Unreliable 1 = Low Priority 2 = Medium Priority 3 = High Priority 4 = Timed Override 5 = Input Not Installed

Occupancy Override HolReg:96 0 1 0 = Occupied 1 = UnOccupied 2 = Bypass 3 = Standby 4 = Not Set

Occupancy Schedule HolReg:97 0 1 0 = Occupied 1 = UnOccupied 2 = Standby 3 = Not Set

Effective Occupancy (Effective Occupancy)

InpReg:98 0 1 0 = Occupied 1 = UnOccupied 2 = Bypass 3 = Standby

Bypass Time (Bypass Time)


Off Delay (Delay)


Temporary Occupancy (Spaces Occupancy)

HolReg:101 0 1 0 = Normal 1 = Trigger

FDD Enable (FDD Enable)


Start Delay (Start Delay)


Insufficient Htg Cap Sat Delay (Insufficient Htg Cap Sat Delay)


Insufficient Htg Cap Zone Max Error (Insufficient Htg Cap Zone Max Error)




Value offset

Scale factor

Enum set or range

Insufficient Clg Cap Zone Max Error (Insufficient Clg Cap Zone Max Error)


Low Zone Temp Zone Max Error (Low Zone Temp Zone Max Error)


High Zone Temp Zone Max Error (High Zone Temp Zone Max Error)


ZN Spt Out Of Comfort Lim Min T Spt (ZN Spt Out Of Comfort Lim Min T Spt)

HolReg:109 0 1 -20 to 40°C (-4 to 104°F)

ZN Spt Out Of Comfort Lim Max T Spt (ZN Spt Out Of Comfort Lim Max T Spt)

HolReg:110 0 1 -20 to 40°C (-4 to 104°F)

Changeover Setting Zone Max Error (Changeover Setting Zone Max Error)


Setpoint Compensation Winter Max Diff (Setpoint Compensation Winter Max Diff)


Setpoint Compensation Summer Max Diff (Setpoint Compensation Summer Max Diff)


Insufficient Clg Cap Sat Delay (Insufficient Clg Cap Sat Delay)


FDD (State)

InpReg:115 0 1 0 = Disable 1 = Enable

Simultaneous HtgClg Zone Max Error (Simultaneous HtgClg Zone Max Error)




Value offset

Scale factor

Enum set or range

Window Open While Occupied Fault (Window Open While Occupied Fault)

InpReg:117 0 1 0 = Normal 1 = Alarm

Window Open While Unoccupied Fault (Window Open While Unoccupied Fault)


Insufficient Cooling Capacity Fault (Insufficient Cooling Capacity Fault)


Insufficient Heating Capacity Fault (Insufficient Heating Capacity Fault)


Zone Spt Outside Comfort Limits Fault (Zone Spt Outside Comfort Limits Fault)


High Zone Temp Fault (High Zone Temp Fault)


Low Zone Temp Fault (Low Zone Temp Fault)


Incorrect Changeover Setting Fault (Incorrect Changeover Setting Fault)


Incorrect Setpoint Compensation Fault (Incorrect Setpoint Compensation Fault)


Simultaneous Htg and Clg Fault (Simultaneous Htg and Clg Fault)


Window Open In Occ In Fault Time (Window Open In Occ In Fault Time)




Value offset

Scale factor

Enum set or range

Window Open In Unocc In Fault Time (Window Open In Unocc In Fault Time)


Low Zone Temp In Fault Time (Low Zone Temp In Fault Time)


High Zone Temp In Fault Time (High Zone Temp In Fault Time)


Changeover Setting In Fault Time (Changeover Setting In Fault Time)


Simultaneous Htg Clg In Fault Time (Simultaneous Htg Clg In Fault Time)


Window Open In Occ Fault Enable (Window Open In Occ Fault Enable)


Window Open In Unocc Fault Enable (Window Open In Unocc Fault Enable)


Insufficient Htg Cap Fault Enable (Insufficient Htg Cap Fault Enable)


Insufficient Clg Cap Fault Enable (Insufficient Clg Cap Fault Enable)


Low Zone Temp Fault Enable (Low Zone Temp Fault Enable)


High Zone Temp Fault Enable (High Zone Temp Fault Enable)




Value offset

Scale factor

Enum set or range

Changeover Setting Fault Enable (Changeover Setting Fault Enable)


Setpoint Compensation Fault Enable (Setpoint Compensation Fault Enable)


ZN Spt Out Of Comfort Lim Fault Enable (ZN Spt Out Of Comfort Lim Fault Enable)


Simultaneous Htg Clg Fault Enable (Simultaneous Htg Clg Fault Enable)


ecoClgSetpoint (ecoClgSetpoint)

HolReg:143 0 1 20 to 30°C (68 to 86°F)

Energy Indicator (Energy Indication)

InpReg:144 0 1 0 = Off 1 = Red 2 = Green

ecoHtgSetpoint (ecoHtgSetpoint)

HolReg:145 0 1 15 to 25°C (59 to 77°F)

Energy Indication Enable (Enable)


Energy Indicator Reset HolReg:147 0 1 0 = False 1 = True

ecoHtgSetpoint Diff (ecoHtgSptDiff)


ecoClgSetpoint Diff (ecoClgSptDiff)


CO2 Setpoint HolReg:150 0 1 0 to 10000 ppm

Unocc Cooling Setpoint HolReg:151 0 1 15 to 30°C (59 to 86°F)

Unocc Heating Setpoint HolReg:152 0 1 10 to 25°C (50 to 77°F)

Standby Cooling Setpoint HolReg:153 0 1 10 to 30°C (50 to 86°F)

Standby Heating Setpoint HolReg:154 0 1 10 to 30°C (50 to 86°F)



Value offset

Scale factor

Enum set or range

Freeze Stat Setpoint (Freeze Stat Setpoint)

HolReg:155 0 1 -20 to 10°C (-4 to 50°F)

Frost Protect Differential (Differential)


Effective Cooling Setpoint (Eff Clg Spt)

InpReg:157 0 1 -20 to 40°C (-4 to 104°F)

Effective Heating Setpoint (Eff Htg Spt)

InpReg:158 0 1 -20 to 40°C (-4 to 104°F)

Network Setpoint (NSP&P Setpoint)

HolReg:159 0 1 12 to 28°C (53.6 to 82.4°F)

Deadband (Deadband)


Spt Source (Zone Setpoint Source)

HolReg:161 0 1 0 = Network Input 1 = Sensor Input 2 = Multiple Inputs

Space Vote (Space Vote)

InpReg:162 0 1 0 = Urgent Heat 1 = Heat 2 = Satisfied 3 = Cool 4 = Urgent Cool

Low Range (Low Range)

HolReg:163 0 1 0 to 100%

High Range (High Range)

HolReg:164 0 1 0 to 100%

Low Range Diff (Low Range Diff)

HolReg:165 0 1 0 to 100%

High Range Diff (High Range Diff)

HolReg:166 0 1 0 to 100%

Fan BO InpReg:167 0 1 0 = Off 1 = On 2 = Hold

Fan Speed AO InpReg:168 0 1 0 to 100%

Percent Cmd (Percent Cmd)

InpReg:169 0 1 0 to 100%

Fan Mode (Mode)

InpReg:170 0 1 0 = Off 1 = On 2 = Max

Minimum Speed (Minimum Speed)

HolReg:171 0 1 0 to 100%



Value offset

Scale factor

Enum set or range

Max Speed Cooling (Max Speed Cooling)

HolReg:172 0 1 0 to 100%

Max Speed Heating (Max Speed Heating)

HolReg:173 0 1 0 to 100%

Supply Fan Low (Supply Fan Low)

HolReg:174 0 1 0 to 100%

Supply Fan Medium (Supply Fan Medium)

HolReg:175 0 1 0 to 100%

Fan Min Out Value HolReg:176 0 1 0 to 100%

Fan BO Polarity HolReg:177 0 1 0 = Normal 1 = Reverse 2 = Hold

Fan Max Out Value HolReg:178 0 1 0 to 100%

Network Override Indoor Air Quality

HolReg:179 0 1 0 to 10000 ppm

Operational Indoor Air Quality (Present Value)

InpReg:180 0 1 0 to 10000 ppm

Network Override Outdoor Air Temperature

HolReg:181 0 1 -46 to 94°C (-50.8 to 201.2°F)

Network Override Zone Temperature

HolReg:182 0 1 -18 to 38°C (-0.4 to 100.4°F)

Operational Zone Temperature (Present Value)

InpReg:183 0 1 -18 to 38°C (-0.4 to 100.4°F)

Operational Outdoor Air Temperature (Present Value)

InpReg:184 0 1 -18 to 38°C (-0.4 to 100.4°F)

Condensate Alarm BI InpReg:185 0 1 0 = Normal 1 = Alarm 2 = Hold

SummerWinter BI InpReg:186 0 1 0 = Summer 1 = Winter 2 = Hold

Window Status BI InpReg:187 0 1 0 = Close 1 = Open 2 = Hold



Value offset

Scale factor

Enum set or range

Occupancy Sensor BI InpReg:188 0 1 0 = Occupied 1 = Unoccupied 2 = Hold

Occupancy Sensor Polarity HolReg:189 0 1 0 = Normal 1 = Reverse 2 = Hold

Window Contact Polarity HolReg:190 0 1 0 = Normal 1 = Reverse 2 = Hold

Dew Point Contact Polarity HolReg:191 0 1 0 = Normal 1 = Reverse 2 = Hold

Summer Winter Polarity HolReg:192 0 1 0 = Normal 1 = Reverse 2 = Hold

Safety Tstat BI InpReg:193 0 1 0 = Normal 1 = Alarm 2 = Hold

Safety Tstat Polarity HolReg:194 0 1 0 = Normal 1 = Reverse 2 = Hold

Effective Cooling Shift InpReg:195 0 1 -20 to 40°C (-4 to 104°F)

Effective Heating Shift InpReg:196 0 1 -20 to 40°C (-4 to 104°F)

Winter Setpoint HolReg:197 0 1 -40 to 20°C (-40 to 68°F)

Summer Setpoint HolReg:198 0 1 10 to 60°C (50 to 140°F)

Summer Change Limit HolReg:199 0 1 -10 to 10 delta °C (-18 to 18 delta °F)

Winter Change Limit HolReg:200 0 1 -10 to 10 delta °C (-18 to 18 delta °F)

Summer Gain HolReg:201 0 1 0 to 10

Winter Gain HolReg:202 0 1 -10 to 10

SummerWinter InpReg:203 0 1 0 = Summer 1 = Winter



Value offset

Scale factor

Enum set or range

Start Commission HolReg:204 0 1 0 = Normal 1 = Trigger

HC-C Ovrd HolReg:205 0 1 0 = Off 1 = On

SF-C Ovrd (SF-C Ovrd)

HolReg:206 0 1 0 = Off 1 = On

HC-O Ovrd (HC-O Ovrd)

HolReg:207 0 1 0 to 100%

SF-O Ovrd HolReg:208 0 1 0 to 100%

OAD-C Ovrd HolReg:209 0 1 0 = Off 1 = On

SFL-C Ovrd HolReg:210 0 1 0 = Off 1 = On

SFM-C Ovrd HolReg:211 0 1 0 = Off 1 = On

SFH-C Ovrd HolReg:212 0 1 0 = Off 1 = On

OAD-O Ovrd HolReg:213 0 1 0 to 100%

SuppHtg-O Ovrd HolReg:214 0 1 0 to 100%

Fan Status InpReg:215 0 1 0 = Off 1 = On

Zone Temperature (Zone Temperature)

InpReg:216 0 1 -20 to 40°C (-4 to 104°F)

CO2 (Carbon Dioxide)

InpReg:217 0 1 0 to 10000 ppm

Zone Occupancy Request (Occupancy Request)

InpReg:218 0 1 0 = Occupied 1 = UnOccupied 2 = Not Set

Warmer/Cooler Adjust (Setpoint Request)

InpReg:219 0 1 -100 to 100 delta °C (-100 to 100 delta °F)

Setpoint Offset (Active Fan Status)

HolReg:220 0 1 0.01 to 10 delta °C (0.02 to 18 delta °F)



Value offset

Scale factor

Enum set or range

Indoor Air Quality Sensor Installed (Carbon Dioxide)

InpReg:221 0 1 0 = Reliable 1 = No Input 2 = Out of range high 3 = Out of range low 4 = Open 5 = Shorted 6 = No Output 7 = Unreliable 8 = Process Error ...

Occupancy Status Display (Occupancy Status Display)

InpReg:222 0 1 0 = Occupied 1 = UnOccupied 2 = Standby 3 = Not Set

Fan Speed Request (Fan Speed Request)

InpReg:223 0 1 0 = Auto 1 = Off 2 = Low 3 = Medium 4 = High

Active Setpoint (NSP&P Active Setpoint)

HolReg:224 0 1 12 to 28°C (53.6 to 82.4°F)

Network/Zone Sensor Setpoint (NSP&P Setpoint)

InpReg:225 0 1 10 to 40°C (50 to 104°F)

Zone Temperature Setpoint Alternate (NSP&P Active Setpoint)

InpReg:226 0 1 12 to 28°C (53.6 to 82.4°F)

Heating Percent Cmd (Heating Percent Cmd)

InpReg:228 0 1 0 to 100%

Cooling Percent Cmd (Cooling Percent Cmd)

InpReg:246 0 1 0 to 100%

Damper (Floating Damper)

InpReg:263 0 1 0 = On/Off 1 = Floating

Fan Type (Fan Type)

InpReg:264 0 1 0 = Constant Volume Fan 1 = Fixed Variable Fan

Valve (Valve Type)

InpReg:265 0 1 0 = Staged 1 = Proportional

Application Details (App SW Version)

InpReg:266 0 1 0 to 1000000000

Application Name (App Name)

InpReg:267 0 1 0 to 10000



Value offset

Scale factor

Enum set or range

Fan Cycling (FAN-CYCLE)

HolReg:268 0 1 0 = No 1 = Yes

Fan On Threshold (Fan On Threshold)

HolReg:269 0 1 0 to 100%

Fan Off Threshold (Fan Off Threshold)

HolReg:270 0 1 0 to 100%

Heating Purge Duration (HTG-PURGETIME)


Fan State (FAN-STATE)

InpReg:272 0 1 0 = Off 1 = On

Off During Unoccupied (Off During Unoccupied)

HolReg:273 0 1 0 = False 1 = True 2 = Hold

Cooling Fan Required (Cooling Fan Required)

HolReg:274 0 1 0 = No 1 = Yes

Heating Fan Required (Heating Fan Required)

HolReg:275 0 1 0 = No 1 = Yes

Fan Speed Override (Fan Speed Override)

HolReg:276 0 1 0 = Auto 1 = Off 2 = Low 3 = Medium 4 = High

Eff Fan Speed Cmd (Effective Fan Override)

InpReg:277 0 1 0 = Auto 1 = Off 2 = Low 3 = Medium 4 = High

Electric Heat DAO (SUPHTG-O)

InpReg:278 0 1 0 to 100%

Aux Heat Setpoint (Setpoint)

InpReg:279 0 1 0 to 100°C (32 to 212°F)

Reheat Control Status (Control Status)


Reheat Percent Cmd (Percent Cmd)

InpReg:281 0 1 0 to 100%



Value offset

Scale factor

Enum set or range

Aux Heat Process Variable (Process Variable)

InpReg:282 0 1 0 to 100°C (32 to 212°F)

Reheat IsAvailable (Supp Heating isAvailable)

HolReg:283 0 1 0 = No 1 = Yes

Electric Heat Cycle Time (SUPHTG-O)


High Threshold (SUPHTG-O)

HolReg:285 0 1 0 to 100%

Low Threshold (SUPHTG-O)

HolReg:286 0 1 0 to 100%

Reheat Mode (Mode)


Aux Heat Adaptive Tuning Enable (Adaptive Tuning)

HolReg:288 0 1 0 = False 1 = True 2 = Hold

Aux Heat Manual Tuning (Standard Tuning)

HolReg:289 0 1 0 = Yes 1 = No

Aux Heat Process ID (Process ID)


Aux Heat Prop Band (Heat Prop Band)

HolReg:291 0 1 1 to 200

Aux Heat Integral Time (Heat Integral Time)


Aux Heat Saturation Time (Heat Saturation Time)


Aux Heat Process Range (Heat Process Range)

HolReg:294 0 1 0 to 1800

Aux Heat Time Constant (Heat Time Constant)




Value offset

Scale factor

Enum set or range

Aux Heat Process Dead Time (Heat Process Dead Time)


Aux Heat Period (Heat Period)


Damper Stroke Time HolReg:298 0 1 1 to 240 seconds


Software package download You can download a software package to the ATC by using either a USB flash drive to download a package to one controller at a time, or by using the Download Package Tool (DPT) to download a package to multiple controllers on the same trunk.

Software package download using a USB flash drive

You can use a USB flash drive to download a package to a single ATC.

Prerequisites:

Ensure that the software package matches the ATC Model you are applying it to.

Ensure that the software package ends with the “.pkg” extension.

Ensure that you have a USB drive formatted with FAT32. NTFS is not supported.

To download the software package, complete the following steps:

1. Copy the software package file to the root of a USB flash drive.

2. Ensure that no other PKG files are located on the root of the flash drive.

3. Provide power to the controller.

4. Wait until the controller’s power LED is green.

5. Plug the flash drive into the USB port on the controller. The ATC controller recognizes the USB with the package file and downloads it automatically. The Fault LED starts to blink rapidly as the download and update begins.

The controller resets after the package has been applied to the controller. The Fault LED stops blinking when the reset is complete and the new package has been applied.

Note: If the controller reboots multiple times after the download of the new package, it can be an indication that the new package does not match the firmware version. Check the Firmware Status attribute, and if it has the value Firmware Versions Do Not Match the Package, then download a larger package on the controller that also includes a new firmware version. In SBH, you can find the attribute under Controller > Device Info.

Software package download using the field Download Package Tool

The Download Package Tool (DPT) is a utility for downloading package files generated by the Equipment Model Package Configuration Tool (EMPCT) to ATC controllers. Use the DPT on an MSTP field bus instead of using the USB port on the ATC. For more information, refer to the DPT documentation.


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Advanced Terminal Unit Controller

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