ENGLISH ESPAÑOL FRANÇAIS OWNER’S & INSTALLATION …

OWNER’S &INSTALLATION MANUAL

AIRCONDITIONER

Please read this installation manual completely before installing the product.Installation work must be performed in accordance with the national wiring standards by authorized personnel only.Please retain this installation manual for future reference after reading it thoroughly.

Applied(AHU)AHU CONTROL KITOriginal instruction[Representative] LG Electronics Inc. EU Representative : LG Electronics

European Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands[Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro,

Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA

www.lg.comCopyright © 2019 - 2021 LG Electronics Inc. All Rights Reserved.

MFL71386003Rev.04_040821

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2 SAFETY INSTRUCTIONS

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WARNING• Installation or repairs made by unqualified persons can result in

hazards to you and others.• The information contained in the manual is intended for use by a

qualified service technician familiar with safety procedures andequipped with the proper tools and test instruments.

• Failure to carefully read and follow all instructions in this manualcan result in equipment malfunction, property damage, personalinjury and/or death.

Installation• For installation of the product, always contact the service center

or a professional installation agency.- Otherwise, it may cause fire, electrical shock, explosion orinjury.

!

WARNINGThis indicates that the failure to follow the instructions cancause serious injury or death.

CAUTIONThis indicates that the failure to follow the instructions cancause the minor injury or damage to the product.

This symbol is displayed to indicate matters and operationsthat can cause risk. Read the part with this symbol carefully and follow theinstructions in order to avoid risk.

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!

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SAFETY INSTRUCTIONSThe following safety guidelines are intended to prevent unforeseenrisks or damage from unsafe or incorrect operation of the appliance.The guidelines are separated into ‘WARNING’ and ‘CAUTION’ asdescribed below.

SAFETY INSTRUCTIONS 3

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LISH• Securely attach the electrical part cover to AHU Communication

Kit.- If the electric part cover of AHU Communication Kit is notattached securely, it could result in a fire or electric shock dueto dust, water, etc.

• Do not keep or use flammable gases or combustibles near theequipment.- Otherwise, it may cause a fire or the failure of product.

• Do not install, remove or reinstall the unit by yourself.- Otherwise, it may cause a fire, electrical shock, explosion orinjury.

• Do not disassemble or repair the product randomly.- It will cause a fire or electrical shock.

• Do not install the product in a place where there is the concern offalling down.- Otherwise, it may result in personal injury.

• Use caution when unpacking and installing.- Sharp edges may cause injury.

• Always ground the product.- There is risk of fire or electric shock.

• Do not install the product on a non-parallel or defectiveinstallation stand.- It may cause injury, accident, or damage to the product.

Operation• Keep flames away.

- Otherwise, may occur a fire.• Do not use the power cord near the heating tools.

- Otherwise, it may cause a fire and electrical shock.• Do not allow water to run into electrical parts.

- Otherwise, it may cause the failure of machine or electricalshock.

• Be cautious that water could not enter the product.- Otherwise, it may cause a fire electrical shock or productdamage.


ENG

LISH • Do not place a heavy object on the power cord.

- Otherwise, it may cause a fire or electrical shock.• When the product is submerged into water, always contact the

service center.- Otherwise, it may cause a fire or electrical shock.

CAUTIONInstallation• Do not install the product direct sunlight.• Do not insert a drain hose in drain or soil pipe.

- Bad smells can occur and it results in a corrosion of a heatexchanger or pipe.

Operation• If anyone other than a licensed Professional installs, repairs, or

alters LG Electronics Air Conditioning Products, the warranty isvoided.- All costs associated with repair are then the full responsibility ofthe owner.

• This appliance is not intended for use by persons (includingchildren) with reduced physical, sensory or mental capabilities, orlack of experience and knowledge, unless they have been givensupervision or instruction concerning use of the appliance by aperson responsible for their safety. - Children should be supervised to ensure that they do not playwith the appliance.

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TABLE OF CONTENTS 5

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6 INSTALLATION LAYOUT6 Installation composition diagram6 Caution on installation layout

7 PRODUCT DIMENSION7 Product Measurements

8 PARTS LAYOUT

9 WIRING DIAGRAM

10 AHU CONTROL KIT INSTALLATION10 Determining the product's mounting location11 Things to keep in mind when installing outdoors12 Sensor Cover Installation (outdoors)

13 AHU CONTROL KIT SETTINGS13 Check Module Configuration

15 PIPE THERMISTOR CONNECTION

16 OUTDOOR UNIT COMMUNICATION LINE CONNECTION16 Cautions on connecting the EEV module (communication module) with outdoor unit16 Capacity Control Communication Cable Connection

17 INSTALLATION AND WIRING METHOD (OPTIONAL)17 Installation method when adding EEV module17 Wiring method when adding EEV module.

18 AHU SENSOR SPECIFICATION

20 AHU SENSOR CONNECTION20 Sensor connection25 Electrical Wiring (if using a belt driven fan)26 Connect the electric wires27 Things to keep in mind when installing the Control Kit on site

28 HMI SETTINGS28 HMI Settings45 Self-Diagnosis

TABLE OF CONTENTS

6 INSTALLATION LAYOUT

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RA

-1

-1 -2

-2

-1 -2

EA OA SA

Power cableCommunication cableThermistor signalTemperature /humidity sensor

MCC

No. Item Applied Standards

① AHU -

② AHU CONTROL KIT PAHCNM000

③ Expansion kit -

④ Outdoor unit MULTI V

⑤ Pipe in Thermistor(Liquid) Sensor : Ø 5(NTC 5 kΩ), Length : 5 m, Cable color : Black

⑥ Pipe out Thermistor(Gas) Sensor : Ø 7(NTC 5 kΩ), Length : 5 m, Cable color : Red

⑦-1, 2 Temperature/humidity sensor RA, SA Optional

⑧-1, 2 Ventilation Fan, Supply Fan -

⑨-1, 2 Inverter drive kit -

⑩ Main power switch board MCC switch board panel

⑪ HMI -

Caution on installation layout- MCC is part of the installation construction to be performed by the equipment supplier, soconfer with the supplier before installing the product.

- Temperature/humidity sensors must be installed on the SA (supply)/RA(ventilation) ducts beforethe product can run normally.

INSTALLATION LAYOUTInstallation composition diagram

PRODUCT DIMENSION 7

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8-Ø7 Holes

D W

C

A

B

(Front)(Side) (Back)

(Bottom)

Model PAHCNM000

Size ProductW mm 500D mm 210H mm 500

EnclosureColor RAL 7035

Material SteelPower 220-240 V~, 50/60 Hz

Rated current 0.2 AProduct Operating

Environment ConditionsOperating Temperature -20 ~ 65 °C DB

Humidity 0 ~ 98 %

Use the appropriate flexible tubing and connectors for the corresponding holes.

Classification Spec DescriptionW (mm) 500 WidthH (mm) 500 HeightD (mm) 210 DepthA (mm) 552

Distance between wall mounting bracketsB (mm) 486

C 22.5Ø Hole(10 EA) Power cable, Sensor/Communication line insert part

PRODUCT DIMENSIONProduct Measurements

8 PARTS LAYOUT

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10

1

8

7

11

2 3 4 5 6

9

• PAHCNM000

No. Main module Spec Qty. No. Main module Spec Qty.

① Main module DC 12 V 1 ⑦NFB(No Fuse

Breaker) 15 A 1.5 kA 1

② UI module DC 12 V 1 ⑧ Adaptor 220 V → DC 12 V 1

③ UO module DC 12 V 1 ⑨ Trans 220 V → AC 24 V 1

④ EEV module #1 DC 12 V 1 ⑩ Terminal Block 15 PIN 1

⑤ EEV module #2 DC 12 V 1 ⑪ Terminal Block Single phase220 V~, 60 Hz 1

⑥ EEV module #3 DC 12 V 1

PARTS LAYOUT

WIRING DIAGRAM 9

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CAUTION!• In order to use the main module's shutdown, heating/cooling, and fire detection functions,

the main module's +12V terminal should be connected to the DCOM terminal. Failure todo so could result in the malfunctioning of the product.

• In order to use the UI module's emergency shutdown and differential pressure switchfunctions, the UI module's +12V terminal should be connected to the DCOM terminal.Failure to do so could result in the malfunctioning of the product.

WIRING DIAGRAM• PAHCNM000

10 AHU CONTROL KIT INSTALLATION

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- When using wall mount brackets, fasten the brackets tothe four holes on the rear of the enclosure.

- Please use the provided bolts, nuts, and washers tofasten the brackets.

CAUTION!• When installing the control kit, make sure to leave at least 900 mm between the wall and

the product case so there is enough room for servicing and installation.

• After mounting the product, check whether it is properly affixed.

• If the control kit has to be installed outdoors, be sure to also install an enclosure.

• When installing load devices such as AHU sensors and dampers outdoors, fitted coversmust also be mounted to protect them from the effects of the external environment.

26

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<Back Side of Control Kit>

AHU CONTROL KIT INSTALLATIONDetermining the product's mounting location- The control kit's mounting location should be determined based on the conditions on site.When mounting the control kit, use Ø 6 direct screws (8 EA).

AHU CONTROL KIT INSTALLATION 11

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CAUTION!Exposure to direct sunlight could raise the temperature inside the control kit and cause theunit to malfunction.

AHUControl

kit

Additionalenclosure

Things to keep in mind when installing outdoors- Enclosures should be purchased separately if needed.

- After mounting the product, check the tightness of the connection between the AHU and theenclosure.If the connection is not airtight, moisture or dust could contaminate the product.

- When installing the AHU outdoors, be sure to use an enclosure to protect the control kit.

- The enclosure should be made of SUS or painted sheet metal to prevent corrosion.

- Make the structure so that it is easy to perform wiring tasks.

- The installation form and location may vary by site.

- Panels installed outdoors must be installed in a place that is not exposed to direct sunlight.

12 AHU CONTROL KIT INSTALLATION

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RA EA OA

EA OA

SA

RA SA

CAUTION!• When installing a sensor outdoors, make sure to install the protective cover, at which time

the Safety Grade must be IP 56 or higher. If the cover is not installed, rainwater can floodthe sensor, causing it to malfunction.

Sensor Cover Installation (outdoors)When installing the AHU outdoors, make sure to install the protection box as shown below.

Ex: Installation of a temperature and temperature/humidity sensor covers.

Ex: Installation of a damper actuator cover.

AHU CONTROL KIT SETTINGS 13

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- After installing the Control Kit, the first thingyou should do is check the module settingsinside the Control Kit.The DIP switches for the main module, UImodule, and UO module are configured inthe following order.

- The default setting of the DIP switches forthe main module, UI module, and UOmodule is OFF. Do not change the settingsarbitrarily.

Main Module

UI ModuleUO Module

EEV Module

The default setting for all DIP switches is OFF. (factory condition)

(Main Module)

UO Module

(UO Module)

UI Module

Main Module

(UI Module)

AHU CONTROL KIT SETTINGSCheck Module Configuration

14 AHU CONTROL KIT SETTINGS

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EEV Module

(EEV Module)

Capacity SettingsUse DIP switch SW1 to set the capacity.

* When connecting a high-capacity EEV kit (PRLK396A0, PRLK594A0), set the capacity to 56.4 kW.

Address SettingDIP switch SW2 is the address setting function. When the product is shipped from the factory,the addresses are set as follows.

EEV #1,2,3 are included and EEV #4,5,6 are optional.(After purchasing separately, additionalsetting required.)

SW11 2 3 4 Capacity [kW (kBtu/h)]

OFF OFF OFF OFF 2.1 (7)OFF OFF OFF ON 2.5 (9)OFF OFF ON OFF 3.5 (12)OFF OFF ON ON 5.6 (18)OFF ON OFF OFF 7.1 (24)OFF ON OFF ON 8.2 (28)OFF ON ON OFF 10.6 (36)OFF ON ON ON 12.3 (42)ON OFF OFF OFF 14.1 (48)ON OFF OFF ON 22.4 (76)ON OFF ON OFF 28.0 (96)ON OFF ON ON 33.6 (115)ON ON OFF OFF 39.2 (134)ON ON OFF ON 44.8 (153)ON ON ON OFF 50.5 (172)ON ON ON ON 56.4 (192)

SequenceSW2

Address Remark1 2 3 4

EEV #1 OFF OFF OFF

OFF

Internal address 0EEV #1,2,3IncludedEEV #2 OFF OFF ON Internal address 1

EEV #3 OFF ON OFF Internal address 2EEV #4 OFF ON ON Internal address 3

EEV #4,5,6 Optional : Additional setting requiredEEV #5 ON OFF OFF Internal address 4

EEV #6 ON OFF ON Internal address 5

PIPE THERMISTOR CONNECTION 15

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AHUAHU

Flexible Tube and Connector: Ø 16 (supplied on the site)

Pipe Temperature Sensor IN : Ø 5, Length: 5m, Color: Black

Pipe Temperature Sensor OUT : Ø 7, Length: 5m, Color: Red

Pipe out Thermistor Pipe in Thermistor

- Connect the flexible tube and connector (Ø16, installed on the site) from the AHU to the ControlKit.

- Connect the pipe IN and OUT Thermistor in the EEV module connector.

PIPE THERMISTOR CONNECTION- Check the IN/OUT of the pipe thermistor connected to the AHU

16 OUTDOOR UNIT COMMUNICATION LINE CONNECTION

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ConnectCEN B, CEN A

ConnectCEN B, CEN A

ConnectCEN B, CEN A

OutdoorUnit #1

<Main module>

OutdoorUnit #2

CH3 A+

CH3 B-

OutdoorUnit #3

CAUTION!• The AHU Control Kit can control the temperature of the supply air by connecting to up to three

outdoor units. When connecting outdoor units, the communication addresses should be setfrom 1 to 3, sequentially.Otherwise, the supply air temperature control function may not work properly.

• Make sure the polarity of the power supply connector is correct when connecting thecommunication cable between the Control Kit and outdoor unit.

• DIP SW 3 of the outdoor unit must be turned off in order to ensure communication between thecontrol kit and the outdoor unit.

• When connecting to Multi V Super 5, Function FN39 must be set to Option1. (Dip switch No.5ON → FUNC → FN39 → OP1) Please refer to the Multi V manual for details on Multi V Functionsettings. (Applicable to both ventilation temperature control and supply air temperature control)

Capacity Control Communication Cable Connection- In order to control the SA temperature in the control kit, the central control communication line

must be additionally connected. Please refer to the wiring diagram and the figure below for details.

- For models without a central control communication modem, a central control communicationmodem must be installed separately to control the supplied air's temperature.

OUTDOOR UNIT COMMUNICATION LINECONNECTIONCautions on connecting the EEV module (communicationmodule) with outdoor unit- The Control Kit comes mounted with three EEV modules,and each EEV module can be connected to one ExpansionKit. If additional EEV modules are required depending on thenumber of outdoor units, they must be purchasedseparately and installed.

- Make sure the communication cables of each outdoor unitand pipe thermistor wires of Expansion Kit are not mixedwhen connecting the outdoor units.

CH

2 A

+

IDU

B

IDU

A

CH

2 B

-

INSTALLATION AND WIRING METHOD (OPTIONAL) 17

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CAUTION!• When adding more than one EEV module, check if the power and communication cables

are connected correctly.Otherwise, the product will not work properly.

• After adding EEV module, set the SW2 address. Otherwise, the product will not workproperly.

• Inverter Drive kit’s BUS A and B must be wired in the last EEV add-on module.

1. Pull the supporter of the EEV module toboth sides.

2. Using holes inside of AHU CONTROL KIT,M4 screws(2EA) and extended supporter’sholes for Installation.

<Ex : When add 3EA more EEV module>

RS

48

5 B

US

A(I

nver

ter

Driv

e ki

t)

RS

48

5 B

US

B(I

nver

ter

Driv

e ki

t)

12 V12 V12 V

GNDGNDGNDMain module

<Wiring diagram>

<UI module> <UO module> <EEV module>

Wiring method when adding EEV module.

INSTALLATION AND WIRING METHOD(OPTIONAL)Installation method when adding EEV moduleEx : Installation method when additional EEV module required.

18 AHU SENSOR SPECIFICATION

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Item Specification

Damper Actuator

- Power: AC 24 V- Input/output signal: DC 0~10 V- Torque: 15 N·m - Operation time: 150 s.- Rotation Angle: 90˚

Temperature/HumiditySensor

- Power: AC 24 V- Output signal: DC 0~10 V - Temperature range: -40 °C~70 °C- Humidity range: 0~95 % RH

Thermistor- Power: AC 24 V- Output signal: DC 0~10 V- Temperature range: -50 °C~50 °C

Filter Differential Sensor

- Power: AC 24 V- Output signal: DC 0~10 V- Range: 0~1 000 Pa

- Switch type: Relay open/close

Static Pressure Sensor- Power: AC 24 V- Output signal: DC 0~10 V- Range: 0~1 000 Pa

CO2 sensor- Power: AC 24 V- Output signal: DC 0~10 V- Range: 0~2 000 ppm

Smoke Detector - Power: AC 24 V- Type: Contact

CAUTION!• Our AHU doesn't support resistance-type sensors. Using an resistance-type sensor can

cause a discrepancy between the actual temperature and measured temperature, whichcan cause the product to malfunction.

• Please install a voltage-type sensor as shown above.• Sensors and actuators are sold separately. Purchase and install the required sensors based

on the load or function.• In order to operate normally, either a THERMISTOR or a humidity sensor must be installed.

AHU SENSOR SPECIFICATIONSensor/Actuator Spec.Standard specifications of the sensor used in the control kit are as follows.

AHU SENSOR SPECIFICATION 19

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Thermistor(Optional)

Filter Differential Sensor(Optional)

Humidification valve(Optional)

Damper actuator(Optional)

Temperature/humiditysensor(Optional)

RA EA OA SA

Temperature/humiditysensor(Required)

Static Pressure Sensor(Optional)



Temperature/humiditysensor(Required)

CO2 sensor(Optional)

Smoke Detector(Optional)

Sensor installation location

CAUTION!• The AHU may not start or function properly if the sensor is not installed in the location

specified in the picture above.• Temperature/humidity sensors must be installed on the SA (supply)/RA(ventilation) ducts

before the product can run normally. The AHU can have an error or may not start if thesensor is not installed.

20 AHU SENSOR CONNECTION

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Ex: SA (Supply) Temperature/Humidity Sensor Connection

1. For more information on the installation of temperature/humidity sensors, refer to theManual that came with the sensor.

2. Make sure to finish all the sensor wires with a flexible tube.3. Using a temperature/humidity sensor outside the temperature range different from the

above specifications can cause the unit to malfunction. However, the temperature rangecan be adjusted in HMI Settings.

Item Specification Remark

Temperature/humiditysensor

- Power: AC 24 V- Output signal: DC 0~10 V- Temperature range: -40 °C~70 °C- Humidity range: 0~95 % RH

Optional

CAUTION!• Improper wiring of the sensor can damage the AHU CONTROL KIT. Make sure to check for

any incorrect wiring before turning the power on.

DC 0~10 V(Temperature,U2)

DC 0~10 V(Humidity,U1)

<Main module>

<Terminal block>

UI1

UI2

Ground (G0)

Ground (G0)

AC 24 V(G)

AC 24 V(G)

U2 (Temperature)U1 (Humidity)G0 (Ground)G (AC 24V)

AHU SENSOR CONNECTIONSensor connection- Temperature/humidity sensor (required)

AHU SENSOR CONNECTION 21

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- Thermistor

Ex: SA (Supply) Thermistor Connection

1. For more information on the installation of temperature sensors, refer to the Manual thatcame with the sensor.

2. Make sure to finish all the sensor wires with a flexible tube.3. Using a thermistor outside the temperature range different from the above specifications

can cause the unit to malfunction.However, the temperature range can be adjusted in HMI Settings.


Thermistor- Power: AC 24 V- Output signal: DC 0~10 V- Temperature range: -50 °C~50 °C

Optional



DC 0~10 V(Temperature,U1)

<Main module>

UI1

<Terminal block>

Ground (G0)

Ground (G0)

AC 24 V(G)

AC 24 V(G)


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- Damper Actuator

Ex: OA (outdoor unit) Damper Connection

1. For more information on the installation of a damper actuator, refer to the Manual thatcame with the damper actuator.

2. Make sure to finish all the sensor wires with a flexible tube.


Damper Actuator

- Power: AC 24 V- Input/Output Signal: DC 0~10 V- Torque: 15 Nm- Operation Time: 150 s.- Rotation Angle: 90˚

Optional

CAUTION!• Improper wiring of the damper actuator can damage the AHU CONTROL KIT. Make sure to

check for any incorrect wiring before turning the power on.

DC 0~10 V(Y, Output)

AO

1

UI4

DC 0~10 V(U, Feedback)

<Main module>

<Terminal block><UI module>

Ground (G0)

Ground (G0)

AC 24 V(G)

AC 24 V(G)


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- Filter Differential Sensor

Ex: Filter Differential Sensor (voltage type) Connection


Filter DifferentialSensor

- Power: AC 24 V- Output signal: DC 0~10 V- Range: 0~1 000 Pa

Optional

1. For more information on the installation of a filter differential sensor, refer to the Manualthat came with the sensor.

2. Make sure to finish all the sensor wires with a flexible tube.3. The setting for the filter differential pressure can be changed in the setting section of the

HMI.



UI2


<Terminal block>

<UI module>

Ground (G0)

Ground (G0)

AC 24 V(G)

AC 24 V(G)


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- CO2 sensor

Ex: CO2 Sensor Connection

1. For more information on the installation of CO2 sensors, refer to the Manual that camewith the sensor.

2. Make sure to finish all the sensor wires with a flexible tube.3. The setting for the CO2 sensor can be changed in the setting section of the HMI.


CO2 sensor- Power: AC 24 V- Output Signal: DC 0~10 V- Range: 0~2 000 ppm

Optional



UI3


<Terminal block>

<UI module>

Ground (G0)

Ground (G0)

AC 24 V(G)

AC 24 V(G)


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Returnair

Exhaustair

Outdoorair

Supplyair

Circuit breaker

MagneticContactor

On-site wiring

Power source for motoroperation, 3-phase

<Main Power Switchboard>

Main module

<AHU control kit>

R S T N

ELB(SA)

MC(RA)

EOCR EOCR

MC(SA)

L

N

DO5 DO6

AC 220/AC24 V transformer TR

ELB

MC

Overcurrentcircuit breakerEOCR

TR

22

0 V

24

V

ELB(RA)

Electrical Wiring (if using a belt driven fan)• If the supply air/return air fan is driven by a constant speed motor, the motor can be powered

using the main switchboard's magnetic contactor.

• Always install an earth leakage breaker when connecting a constant speed motor.

• Refer to “Technical Standards for Electrical Equipment” for installation standards for earthleakage breakers.

• Use AC 24 V for the magnetic connector's operation contact. Failure to do so could result in themalfunctioning of the Control Kit.


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Returnair

Exhaustair

Outdoorair

Supplyair

L N

Humidifier Solenoid Valve Connection

<AHU control kit>

DO4

L

N

Main module

On-site wiring

AC 220/AC24 V transformerTR

MagneticContactorMC

Solenoid valveS

S

MC orRelay

TR

22

0 V

24

V

Connect the electric wires- Humidifier Solenoid Valve Connection


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Side perforationTop perforation

Correct construction

CAUTION!• When perforating the panels, take precautions to prevent foreign matter, such as chips,

from entering the unit. Foreign matter, such as chips, falling onto electrical parts such asthe internal PCB could result in fire or electric shock.

• Once the electrical wiring has been completed, be sure that the perforated areas havebeen sealed to be airtight. Dust or moisture entering the Control Kit could result in fire orelectric shock.

• Do not install the power lines or communication lines of external equipment in the ControlKit's internal duct pipe.

Things to keep in mind when installing the Control Kit on siteWhen installing the AHU Control Kit on site, if any drilling is required at the top or side, pleaseobserve the following work standards.

- Take precautions to prevent foreign matter, such as chips generated while working, fromentering the unit.

- Once the electrical wiring has been completed, be sure that the perforated areas have beensealed to be airtight.

- LG Electronics is not responsible for any problems caused by arbitrary drilling.

28 HMI SETTINGS

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2. Air conditioner information

• You can monitor the air conditioner's operation status by running the 'air conditionerinformation' icon in the home menu.

(air conditioner information_full screen)

(air conditioner information_view details)

Item DescriptionAir conditioner information Air conditioner information view function

Air conditioner control Air conditioner operation control functionOutdoor unit information Check outdoor unit information

Schedule Schedule operation functionHistory Search error historySetup System setting function

3. Air conditioner control

• Run the 'air conditioner control' icon in the home menu to configure air conditioneroperation.

Item Description

Target temperature Display current temperature and set targettemperature

On/Off System On/Off functionOperation Mode Select operation mode

Airflow Set airflow and set control criteriaDamper Set damper openingHumidity Display current humidity and set target humidity

Control Mode Select control modeAdditionalfunctions Set additional functions

HMI SETTINGSHMI Settings1. Home Menu

• You can perform air conditioner control information and configuration tasks from the homemenu.

HMI SETTINGS 29

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3-1. Target temperature

• Run the ‘set temperature’ icon to display the current temperature and set the targettemperature.

(Set temperature display window) (Set temperature manual input window)

3-3. Operation Mode

• Run the 'Operation Mode' icon to select the desired operation mode.

• The Outdoor Air Cooling Mode only becomes activated when a return air temperature andhumidity sensor and an outdoor temperature and humidity sensor are installed.

• If the product type is set to 'Dedicated Outdoor Air', the Outdoor Air Cooling Mode will bedisabled.

3-2. On/Off

• Run the 'On' or 'Off' icon to perform an On/Off command.

30 HMI SETTINGS

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3-4. Airflow

• Run the 'Airflow' icon to set the airflow and airflow control criteria.

3-4-1. Airflow Criteria

• Set the fan's operation criteria to 'airflow' to set the operating RPM for high, medium andlow airflow in Hz.

• Return air/supply air fan operating frequency setting: 30-60 Hz

• Default value- low airflow 30 Hz, medium airflow 40 Hz, high airflow 50 Hz

3-4-2. Static pressure criteria

• If the fan's operation criteria is set to 'static pressure', you can perform static pressurefollowing operation by comparing the set standard static pressure with the supply airstatic pressure.

• Control cycle: 3-60 minutes

• Standard static pressure range: 100-1000 Pa

(Set frequency input window)

3-4-3. Temperature criteria

• If the fan's operation criteria is set to 'temperature', you can perform temperaturefollowing operation by comparing the set target temperature with the currenttemperature.

• Fan operating frequency range: 30-60 Hz, frequency change unit: 1-5 Hz

• Control cycle: 1-60 minutes

HMI SETTINGS 31

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3-5. Damper

• Run the ‘Damper’ icon to set the damper's opening value.

• Use the ‘Mode’ and ‘Input‘ icons to set the damper opening value by operation mode.

- Mode: You can enter damper values for Cooling, Heating, and Vent modes.

- Automatic: Entering the value for either the outdoor air, exhaust, or mixed damperautomatically sets the remaining damper values.

- Manual: You must manually enter the opening values for the outdoor air, exhaust andmixed dampers.

3-6. Humidity

• Run the ‘Humidity’ icon to set the target humidity value.

• Humidity setting range: 30-80%

3-7. Control Mode

• Run the ‘Control Mode’ icon to set local, remote, and scheduled operation.

• When Local Mode is set, the control function is performed through the HMI installed in theControl Kit, and only remote monitoring is possible.

• When Remote Mode (contact, modbus, LGAP) is set, the air conditioner can only becontrolled remotely and only status monitoring is possible in the HMI, and the remainingfunctions are disabled.

• Scheduled operation is only available when Control Mode is set to Schedule.

(Set humidity display window) (Set humidity manual input window)

32 HMI SETTINGS

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4. Outdoor unit information

• Run the 'Outdoor Unit Information' icon on the home menu to check the information for theoutdoor units connected to the system.

3-8. Additional Operation

• Run the ‘Additional Operation’ icon to set additional functions that can be used.

5. Settings

• Run the 'Setting' icon on the home menu to set the installer, screen, and system.

5-1. Installer Settings

• Run the 'Installer' icon on the Settings screen to enable a variety of settings for theoperation of the air conditioner.

(Set installer screen)

HMI SETTINGS 33

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5-1-1. Air Conditioner Settings

• Run the 'Air Conditioner Settings' icon to set the air conditioner and operation.

Item Description

Air conditioner type Set air conditioner type: air conditioner,dedicated outdoor air system

Temperature determinationcriteria

Set target temperature criteria: return air,supply air- Return air criteria: cooling 18-30 °C , heating16-30 °C

Supply air cooling targettemperature

Can be set when the target temperature criteriais air supply (outdoor unit capacity controloperation)- Set temperature 12-50 °C

Supply air heating targettemperature

Outdoor unit sequential control enable/disablesetting

Outdoor unit sequentialcontrol

Outdoor unit simultaneous thermo-offprevention function

Item Description

Coolinghumidification

function

You can set the cooling humidification function.Enabled when the 'Humidification' function is set inAdditional Operation mode.

Warming-uptime

You can set the warming-up operation time.Warming-up operation only circulates indoor air with theoutdoor air and exhaust dampers closed so that the indoorload can be quickly removed.- Settable time: 0-180 minutes

Automaticcontrol address

You can set the automatic control address.- Set to decimal- Since ACP uses hexadecimal, set to decimal whenconnecting ACP (ex, ACP: 0x29 → address: 41).

- Settable address range: 1-247

Return air (RA)fan count

Set the number of return air fans applied to the airconditioner.- Number of return air fans: 0, 1, 2, 4, 6- When using a constant speed fan or a third-party inverterfan, the number of fans must be set to zero.

Supply air (SA)fan count

Set the number of supply air fans applied to the airconditioner.- Number of return air fans: 0, 1, 2, 4, 6- When using a constant speed fan or a third-party inverterfan, the number of fans must be set to zero.

CAUTION!• Correctly set the air conditioner type.

- An error could occur in sensors, damper actuators, etc.• When setting the temperature determination criteria to air supply, be sure to connect the

capacity control communication.- A communication error could occur.

• Outdoor unit sequential control is enabled when the temperature determination criteria isreturn air.

CAUTION!• The number of set fans should match the number of fans installed to the air conditioner.

- If there is a discrepancy in the number of fans, operation and monitoring will not runnormally.

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Item Description

Number of outdoorunits (ODU)

You can set the number of outdoor units connected tothe air conditioner. Up to 3 outdoor units can beconnected.

Cooling heat source

Set the cooling heat source.- Refrigerant (air-cooled): air-cooled outdoor unit- Cold water (water-cooled): water-cooled outdoor unit- Cold water: install cold water valve

Cooling heat sourceachieved

temperature

Based on the supply air temperature, it controls thenumber of outdoor units according to the settemperature.- Cooling heat source value input range: 10-25 °C

Heating heat source

Set the heating heat source.- Refrigerant (air-cooled): air-cooled outdoor unit- Cold water (water-cooled): water-cooled outdoor unit- Hot water: install hot water valve- Steam: install steam valve- Electric heater: install electric heater

Heating heat sourceachieved

temperature

Based on the supply air temperature, it controls thenumber of outdoor units according to the settemperature.- Heating heat source value input range: 30-50 °C

Item Description

Fan Off/Onduring defrost

When running defrost in an outdoor unit, the fan'soperation status is set based on the supply airtemperature and piping temperature.Set the fan off temperature based on the supply airtemperature.- Air conditioner 20-35 °C, Dedicated outdoor air unit 15-30 °C

Fan operation return temperature is based on therefrigerant liquid pipe temperature.- Air conditioner 30-45 °C, Dedicated outdoor air unit 25-40 °C

Cooling valveminimum value

Sets the minimum value at which the cooling valve closeswhen cold water is set as the heat source.- Setting range: 0-100%

Heating valveminimum value

Sets the minimum value at which the heating valve closeswhen hot water is set as the heat source.- Setting range: 0-100%

Preheatingfunction for

heating

This function operates the fan during heating mode whenthe average pipe temperature is higher than the set inletpipe temperature.- Settings: Enable/Disable

Inlet temperatureof the heating

pipe

When using the preheating function, set the minimumtemperature that the fan operates at the inlet temperatureof the heating pipe.- Range for settings: 20~50 °C

CAUTION!• If the cooling or heating heat source setting is not correct, you may not be able to select

the operation mode in the HMI.- If the cooling (heating) heat source is not set, the Cooling (Heating) mode cannot beselected and only the fan will operate.

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5-1-2. Device Setting

• Run the 'Device Setting' icon on the Installer Setting screen to enable device settingsrequired for air conditioner operation.

Item Description

Return air (RA)temperature/

humidity

Sets the sensors to be installed to the return air duct.- Sensor type: Thermistor, temperature/humidity sensor- A temperature or temperature/humidity sensor must beinstalled on the return air side.

- Humidification operation is only available if atemperature/humidity sensor is installed.

Supply air (SA)temperature/

humidity

Sets the sensors to be installed on the supply air duct.- Sensor type: Thermistor, temperature/humidity sensor- A temperature or temperature/humidity sensor must beinstalled on the supply air side.

Outdoor air(OA)

temperature/humidity

Sets whether temperature/humidity sensors are installed inthe outdoor air duct.- If no outdoor air temperature/humidity sensor is installed,dehumidification and outdoor air cooling will not bepossible.

Mixed (Mix)temperature

Sets whether temperature sensors are installed in themixed chamber.

Static pressuresupply air (SA)

Sets whether static pressure sensors are installed on thesupply air side.- When a static pressure sensor is installed, you can controlstatic pressure-based airflow.

Item Description

Differentialpressure-filter(alarm level)

Sets whether a filter differential pressure sensor isinstalled.- Differential pressure setting range: 200-600 Pa- The filter alarm is displayed when the differential pressureset value has been reached.

CO2

Sets whether a CO2 sensor is installed in the return airduct.- CO2 setting range: 500-1,500 PPM- When a CO2 sensor is installed, automatic return airoperation is possible.

Return air flow Sets whether a flow sensor is installed in the return airduct.

Supply air flow Sets whether a flow sensor is installed in the supply airduct.

Damperfeedback

Sets whether the damper feedback function is enabled.It is enabled when the feedback signal line of the damperactuator is connected.

Item Description

Preheating coilSets the heat source and whether the preheating coil isenabled.- Preheating heat source: electric heater, steam

Humidifier Sets whether a humidifier is installed.

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5-1-3. Sensor Range Setting

• Run the 'Sensor Range Setting' icon on the Installer Setting screen to set the operatingrange of the installed sensor.

Item Description

Return air temperature Sets the sensor range based on theoperating range of the installedthermistor.- minimum: -100-20 °C, maximum: 0-127 °C

Supply air temperature

Outdoor air temperature

Mixed temperature

Static pressure-supply air (SA)

Sets the sensor range based on theoperating range of the installed staticpressure sensor.- minimum: 0-200 Pa, maximum: 200-1000 Pa

Item Description

Differentialpressure-filter(alarm level)

Sets the sensor range based on the operating range of theinstalled differential pressure sensor.- minimum: 0-200 Pa, maximum: 200-1000 Pa

Return air flowSets the sensor range based on the operating range of theinstalled flow sensor.- minimum: 0-20 m/s, maximum: 0-20 m/s

Supply air flowSets the sensor range based on the operating range of theinstalled flow sensor.- minimum: 0-20 m/s, maximum: 0-20 m/s

CO2

Sets the sensor range based on the operating range of theinstalled CO2 sensor.- minimum: 0-990 PPM, maximum: 1000-2000 PPM

5-1-4. Smoke Control Operation Setting

• Run the 'Smoke Control OperationSetting' icon on the Installer Settingscreen to set the smoke control operation.If the text “Fire” appears on the 7-Seg inSmoke Control mode, it can be canceledby entering LEFT (←) + RIGHT (→) +DOWN (↓) + UP (↑) simultaneously for 5seconds.

Item Description

Smoke Controlmode (smoke

detecting sensor)

Sets whether Smoke Control mode is enabled.- Only available if a smoke detecting sensor is installed.

Outdoor air (OA)damper

Sets the outdoor air damper operating status when inSmoke Control mode.- Fully open, Fully closed

Exhaust air (EA)damper

Sets the exhaust air damper operating status when inSmoke Control mode.- Fully open, Fully closed

Mixed (Mix) damperSets the mixed damper operating status when inSmoke Control mode.- Fully open, Fully closed

Return Air FanSets the operating Hz of the return air fan when inSmoke Control mode.- Setting range: 0-60 Hz

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20°

Item Description

Mixed (Mix)damper

Sets the operating status of the mixed damper in Test Runmode.- Setting range: 0-90°

Humidificationvalve (voltage)

Sets the operating status of the humidification valve inTest Run mode.- Setting range: 0-10 V

Humidificationvalve (contact)

Sets the operating status of the humidification valve inTest Run mode.- Setting: Open, Short

Heater valve(voltage)

Sets the operating status of the heater valve in Test Runmode.- Setting range: 0-10 V

Heater valve(contact)

Sets the operating status of the heater valve in Test Runmode.- Setting: Open, Short

Item Description

Supply air fanSets the operating Hz of the supply air fan when in SmokeControl mode.- Setting range: 0-60 Hz

Item Description

Test Run Setting Sets whether test run is enabled.

Return Air FanSets the operating status for the return air fan in Test Runmode.- Setting range: 0-60 Hz

Supply air fanSets the operating status for the supply air fan in Test Runmode.- Setting range: 0-60 Hz

Outdoor air (OA)damper

Sets the operating status for the outdoor air damper inTest Run mode.- Setting range: 0-90°

Exhaust air (EA)damper

Sets the operating status for the exhaust air damper inTest Run mode.- Setting range: 0-90°

5-1-5. Test Run Setting

• Run the 'Test Run Setting' icon on the Installer Setting screen to enable test settings.After the test run has completed, you must disable the test run setting to return tonormal operation.

20°

20°

11Hz

21Hz

CAUTION!• Smoke Control mode must be used in conjunction with fire extinguishing equipment in the

building or facility.• Damper or fan operation should be set based on the building structure and the fire plan.

- If these are set incorrectly, the inability to control smoke could result in physical injury orproperty damage.

• When disabling Smoke Control mode, be sure to check whether there is an actual firebefore disabling it.- Disabling Smoke Control mode during a fire could result in physical injury or propertydamage.

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Item Description

Freeze protection(contact)

Sets the operating status of the freeze protectionheater in Test Run mode.- Setting: Open, Short

5-1-6. Password Setting

• Run the 'Password Setting' icon onthe Installer Setting screen to set orchange the password for the HMI.

5-2. Screen Setting

• Run the 'Screen' icon on the Setting screen to set the screen protector for the HMI.

5-3. System Setting

• Run the 'System' icon on the Settingscreen to enable a variety of HMIsystem settings such as date, time,language, and operating time display.

(system setting screen_regular) (system setting screen_advanced)

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6. View History

• Run the 'History' icon on the home menu to view a list of errors that have occurred during airconditioner operation.

7. Schedule Setting

• Run the 'Schedule' icon on the home menu to set the scheduled operation of the airconditioner.

7-1. Add Schedule

• Run the 'Add' icon on the Schedule View screen to add a schedule.

• After inputting the schedule name and schedule on the 'Add' screen, click on the 'Next'button to go to the Air Conditioner Control screen.

• Once the air conditioner operation setting is completed in the 'Air Conditioner Control'screen, the scheduled operation will be added normally.

7-2. Edit Schedule

• If you need to edit a schedule, select the date that you wish to edit to go to the Editscreen.

• On the ‘Schedule’ screen, you can delete or edit the schedule.

• Run Edit Schedule in the same way as Add Schedule.

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8. Error Display

• If an error occurs while the air conditioner is operating, an error indication will appear on theHMI screen.

• It is displayed along with an error code.

• Refer to the 'Self-diagnosis Function' section of the appendix for detailed error informationfor the air conditioner.

• For outdoor unit error information, refer to the error code for each product group.

• The following is the protocol provided for connecting external devices to Modbus.

- Physical Layer: RS-485 Serial Line- Mode: MODBUS RTU Mode- Baud Rate: 9 600- Parity: None Parity- 1 Stop Bit- Applied Function Code

Refer to the Modbus protocol in the appendix.

Function Code Sub Function Function Name Start Address formMaster Device

0x01 None Read Coil Register Address-1

0x02 None Read Discrete Input Register Address-10001

0x03 None Read Holding Register Address-40001

0x04 None Read Input Register Address-30001

0x05 None Write Single Coil Register Address-1

0x06 None Write Single Holding Register Address-40001

0xF1~FF Reserved forException Code

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• Coil Register

• Discrete Register

No.Address

RegisterData Bit

NotesHexadecimal Decimal

1 0x0000 0 1 Operation Setting 0: Off / 1: On

2 0x0001 1 2 Automatic return air (additional operation) 0: Off / 1: Automatic return air

3 0x0002 2 3 Humidification function (additional operation) 0: Off / 1: Humidification

High Low

No.Address

RegisterData Bit


1 0x0000 0 10001 Return air fan operating status 0:Off, 1:On

2 0x0001 1 10002 Supply air fan operating status 0:Off, 1:On

3 0x0002 2 10003 Preheating heater status 0:Off, 1:On

9 0x0008 8 10009 Alarm Level1 0:Normal, 1:Alarm

10 0x0009 9 10010 Alarm Level2 0:Normal, 1:Alarm

11 0x000A 10 10011 Alarm Level3 0:Normal, 1:Alarm

12 0x000B 11 10012 Smoke detection 0:Normal, 1:Alarm

13 0x000C 12 10013 Filter Replacement 0:Normal, 1:Alarm

14 0x000D 13 10014 Filter Not Replaced Alarm Occurs 300 hours after thefilter replacement alarm

17 0x0010 16 10017 Return Air FAN 1 Operating Status 0:Off, 1:On






23 0x0016 22 10023 Reserved

24 0x0017 23 10024 Reserved

25 0x0018 24 10025 Supply Air FAN 1 Operating Status 0:Off, 1:On

26 0x0019 25 10026 Supply Air FAN 2 Operating Status 0:Off, 1:On

27 0x001A 26 10027 Supply Air FAN 3 Operating Status 0:Off, 1:On

28 0x001B 27 10028 Supply Air FAN 4 Operating Status 0:Off, 1:On

29 0x001C 28 10029 Supply Air FAN 5 Operating Status 0:Off, 1:On

30 0x001D 29 10030 Supply Air FAN 6 Operating Status 0:Off, 1:On

33 0x0020 32 10033 Outdoor Unit 1 Operating Status 0:Off, 1:On




39 0x0026 38 10039 Reserved

40 0x0027 39 10040 Reserved

41 0x0028 40 10041 Outdoor Unit 1 Defrost Status 0:No function, 1:Defrost

42 0x0029 41 10042 Outdoor Unit 2 Defrost Status 0:No function, 1:Defrost

43 0x002A 42 10043 Outdoor Unit 3 Defrost Status 0:No function, 1:Defrost

44 0x002B 43 10044 Outdoor Unit 4 Defrost Status 0:No function, 1:Defrost

High Low

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No.Address

RegisterData Bit


1 0x0000 0 30001 AHU Version AHU Controller's Version display [0.1] X10

2 0x0001 1 30002 Error Air Conditioner Error occurring AHU (fixed as 1)

3 0x0002 2 30003 Error Device Error occurring devices (see error code)

4 0x0003 3 30004 Error Code Corresponding device's error code

5 0x0004 4 30005 Total product operation time(minutes, high)

Higher operating time data (Increasesoperating time when operating based on

the supply fan) [min]

6 0x0005 5 30006 Total product operation time(minutes, low)

Lower operating time data (Increasesoperating time when operating based on

the supply fan) [min]

7 0x0006 6 30007 Number of connected outdoorunits 0~6 [ea]

11 0x000A 10 30011 Return air temperature Temperature range (-99.9-99.9) [°C] X 10

12 0x000B 11 30012 Return air humidity Humidity range (0-100.0) [%] X 10

13 0x000C 12 30013 Supply air temperature Temperature range (-99.9-99.9) [°C] X 10

14 0x000D 13 30014 Supply air humidity Humidity range (0-100.0) [%] X 10

15 0x000E 14 30015 Outdoor air temperature Temperature range (-99.9-99.9) [°C] X 10

16 0x000F 15 30016 Outdoor air humidity Humidity range (0-100.0) [%] X 10

17 0x0010 16 30017 Mixed temperature Temperature range (-99.9-99.9) [°C] X 10

20 0x0013 19 30020 Cold water valve Voltage range (0-10,000) [mV]

21 0x0014 20 30021 Hot water valve Voltage range (0-10,000) [mV]

22 0x0015 21 30022 Co2 Concentration Concentration range (0-2000) [ppm]

23 0x0016 22 30023 Static pressure sensor pressure Pressure range (0-1000) [Pa]

24 0x0017 23 30024 Differential pressure sensorpressure Pressure range (0-1000) [Pa]

25 0x0018 24 30025 Outdoor air damper current value Opening range (0-90) [˚]

26 0x0019 25 30026 Exhaust air damper current value Opening range (0-90) [˚]

27 0x001A 26 30027 Mixed damper current value Opening range (0-90) [˚]

31 0x001E 30 30031 Return air FAN 1 operatingfrequency Frequency range (0-60) [Hz]

32 0x001F 31 30032 Return air FAN 2 operatingfrequency Frequency range (0-60) [Hz]

33 0x0020 32 30033 Return air FAN 3 operatingfrequency Frequency range (0-60) [Hz]

High Low

• Input Register

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AddressRegister

Data BitNotes

Hexadecimal Decimal

34 0x0021 33 30034 Return air FAN 4 operating frequency Frequency range (0-60) [Hz]



41 0x0028 40 30041 Supply Air FAN 1 Operating Frequency Frequency range (0-60) [Hz]

42 0x0029 41 30042 Supply Air FAN 2 Operating Frequency Frequency range (0-60) [Hz]

43 0x002A 42 30043 Supply Air FAN 3 Operating Frequency Frequency range (0-60) [Hz]

44 0x002B 43 30044 Supply Air FAN 4 Operating Frequency Frequency range (0-60) [Hz]

45 0x002C 44 30045 Supply Air FAN 5 Operating Frequency Frequency range (0-60) [Hz]

46 0x002D 45 30046 Supply Air FAN 6 Operating Frequency Frequency range (0-60) [Hz]

51 0x0032 50 30051 Outdoor Unit1 Address 1

52 0x0033 51 30052 Outdoor Unit1 Operating Mode 0: Cooling, 2: Fan, 4: Heating

53 0x0034 52 30053 Outdoor Unit1 Pipe Temperature (IN) Temperature range(-99.9-99.9) [°C] X 10

54 0x0035 53 30054 Outdoor Unit1 Pipe Temperature (OUT) Temperature range(-99.9-99.9) [°C] X 10

61 0x003C 60 30061 Outdoor Unit2 Address 2

62 0x003D 61 30062 Outdoor Unit2 Operating Mode 0: Cooling, 2: Fan, 4: Heating

63 0x003E 62 30063 Outdoor Unit2 Pipe Temperature (IN) Temperature range(-99.9-99.9) [°C] X 10

64 0x003F 63 30064 Outdoor Unit2 Pipe Temperature (OUT) Temperature range(-99.9-99.9) [°C] X 10









High Low

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No.Address

RegisterData Bit


1 0x0001 1 40002 Operation mode setting0: not used / 1: cooling / 2:

heating / 3: dehumidification / 4:outdoor air / 5: fan / 6: reheating

2 0x0002 2 40003 Airflow setting 0: high / 1: medium / 2: low

3 0x0005 5 40006 Target cooling temperature setting 18~30 (18) [°C] x 10

4 0x0006 6 40007 Target heating temperature setting 18~30 (30) [°C] x 10

5 0x0007 7 40008 Target cooling humidity setting 30~80 (50) [%] x 10

6 0x0008 8 40009 Target heating humidity setting 30~80 (50) [%] x 10

35 0x0022 34 40035 Return air fan (high) frequency setting 30~60 (50) [Hz]

36 0x0023 35 40036 Return air fan (medium) frequency setting 30~60 (40) [Hz]

37 0x0024 36 40037 Return air fan (low) frequency setting 30~60 (30) [Hz]

38 0x0025 37 40038 Supply air fan (high) frequency setting 30~60 (50) [Hz]

39 0x0026 38 40039 Supply air fan (medium) frequency setting 30~60 (40) [Hz]

40 0x0027 39 40040 Supply air fan (low) frequency setting 30~60 (30) [Hz]

42 0x0029 41 40042 Cooling outside air damper opening setting Opening range (0-90) [˚]

43 0x002A 42 40043 Cooling exhaust damper opening setting Opening range (0-90) [˚]

44 0x002B 43 40044 Cooling mixed damper opening setting Opening range (0-90) [˚]

45 0x002C 44 40045 Heating outside air damper opening setting Opening range (0-90) [˚]

46 0x002D 45 40046 Heating exhaust damper opening setting Opening range (0-90) [˚]

47 0x002E 46 40047 Heating mixed damper opening setting Opening range (0-90) [˚]

48 0x002F 47 40048 Fan outside air damper opening setting Opening range (0-90) [˚]

49 0x0030 48 40049 Fan exhaust damper opening setting Opening range (0-90) [˚]

50 0x0031 49 40050 Fan mixed damper opening setting Opening range (0-90) [˚]

High Low

• Holding Register

CAUTION!Abnormal operation may occur if set outside the defined range.

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Error MainCategory

Error SubCategory Error List Remarks

CH 1 - --- CH 1 - --- 1st place fixed (Reserved for AHUlinkage)

CH 1 0 xxx

CH 1 0 0xx

CH 1 0 10x IO(UI) #1 Module Error

CH 1 0 11x IO(UO) #2 Module Error

CH 1 0 50x Comm(EEV) #1 Module Error




CH 1 1 xxx CH 1 1 xxx ODU 1 Module Error amongComm(EEV) #1

xxx: Same as LGAP Indoor / Outdoor ErrorCode







CH 1 7 xxx Reserved

Error Grade Grade Standard Output

1 Fire detection Alarm #1

2 Error occurs with limited functionality Alarm #2

3 Errors that do not affect functionality Alarm #3

CH X X XXX

Error Code

Error AHU (fixed at 1)

Error Category(0: AHU Module, 1~6: ODU No, 8: RA Fan, 9: SA Fan)

Error Level

Error Grade

Self-DiagnosisError Display Unit- This feature diagnoses the product and displays the type of error when the product ismalfunctioning.

- Place an error mark in the HMI.

- Display in the order of error number if there are more than two types of errors.

- The error code disappears when repaired after an error.

Error Display Status

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• Controller Error

Highclassification

error

Lowclassification

errorErrors Error Code Location name Error

grade Notes

CH10xxx

CH10001 ~CH10010

Commonalarm

CH10001 Fire detection (smokedetecting sensor) 1

If the fire detection contactshorts (operates with the set

value of HMI's Smoke Controlafter error indication)

CH10002 Emergency stopdetection 2

If the emergency stop contactshorts (all operations stop after

error indication)

CH10003 HMI communicationerror 2

If no communication signal isreceived for more than 3

minutes

CH10004 BMS communicationerror 2

If no communication signal isreceived for more than 3

minutes

Others Reserved Reserved

CH10011 ~CH10020

Sensor type -Return air

CH10011 Return air thermistorerror 2 Sensor short-circuited or

disconnected

CH10012 Return air humiditysensor error - Reserved

CH10013 Return air flow sensorerror 2 Sensor short-circuited or

disconnected

CH10016 Return air thermistorfaulty connection 2 Faulty connection of sensor

power and signal line

CH10017Return air humidity

sensor faultyconnection

3 Faulty connection of sensorpower and signal line

CH10018 Return air flow sensorfaulty connection 2 Faulty connection of sensor



CH10021 ~CH10030

Sensor type -Supply air

CH10021 Supply air thermistorerror 2 Sensor short-circuited or

disconnected

CH10022 Supply air humiditysensor error - Reserved

CH10023 Supply air flow sensorerror 2 Sensor short-circuited or

disconnected

CH10026 Supply air thermistorfaulty connection 2 Faulty connection of sensor


CH10027Supply air humidity


3 Faulty connection of sensorpower and signal line

CH10028 Supply air flow sensorfaulty connection 2 Faulty connection of sensor



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Highclassification

error

Lowclassification


grade Notes

CH10xxx

CH10031 ~CH10040

Sensor type -outdoor air

CH10031 Outdoor air thermistor error 2 Sensor short-circuited ordisconnected

CH10032 Outdoor air humidity sensorerror - Reserved

CH10034 Outdoor air damper feedbackerror 3

In case of ± 10%difference from target

opening

CH10036 Outdoor air thermistor faultyconnection 2

Faulty connection ofsensor power and signal

line

CH10037 Outdoor air humidity sensorfaulty connection 3


line

CH10039 Outdoor air damper feedbackfaulty connection 3 Reserved


CH10041 ~CH10050

Sensor type -mixed air

CH10041 Mixed air thermistor error 2 Sensor short-circuited ordisconnected

CH10044 Mixed air damper feedbackerror 3


opening

CH10046 Mixed air thermistor faultyconnection 2


line

CH10049 Mixed air damper feedbackfaulty connection 3 Reserved


CH10051 ~CH10060

Sensor type -exhaust air

CH10054 Exhaust air damper feedbackerror 3


opening

CH10059 Exhaust air sensor feedbackfaulty connection 3 Reserved


CH10061 ~CH10070

Sensor type -other

CH10061 Differential pressure sensorerror 3 Sensor short-circuited or

disconnected

CH10062 Static pressure sensor error 3 Sensor short-circuited ordisconnected

CH10063 CO2 sensor error 3 Sensor short-circuited ordisconnected

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Highclassification

error

Lowclassification


grade Notes

CH10xxx

CH10061 ~CH10070

Sensor type -other

CH10064 Main coil exit sensorerror 3 Sensor short-circuited or

disconnected

CH10066Differential pressure


3 Reserved

CH10067 Static pressure sensorfaulty connection 3 Reserved

CH10068 CO2 sensor faultyconnection 3 Reserved


CH10071 ~CH10080

Sensor type -Logic

CH10071 Filter ReplacementAlarm 3 3 hours after set value has been

exceeded

CH10072 Filter ReplacementError 2

Cumulative operating time hasexceeded 300 hours after filter

replacement alarm

CH10101 ~CH10110

IO #1 moduleerror (UImodule)

CH10101Communication errorbetween IO (UI) #1

modules2 Module does not respond

beyond a specified time

CH11xxx ~CH16xxx

CH11001 ~CH11999

ODU 1module errorin Comm #1

CH11002 ODU1 indoor sensor(entrance pipe) error 2 Sensor short-circuited or

disconnected

CH11005ODU1 communicationfault (indoor unit <->

outdoor unit)2

Haven't received acommunication signal fromoutdoor unit for more than 3

consecutive minutes

CH11006 ODU1 indoor sensor(exit pipe) error 2 Sensor short-circuited or

disconnected

CH11255Communication error

between ODU1 centralcontrols

2

Haven't received a centralcontrol communication signalfrom ODU # 1 for more than 3

consecutive minutes (erroroccurs only when the target

temperature control criteria issupply air)

CH11001 ~CH11999


CH11XXXODU1 outdoor unit

error code displayed asis

2

If an error occurs in the outdoorunit communicating with indoor

unit 1 of COM #2, thecorresponding code is displayed

as is

CH12001 ~CH12999



disconnected


outdoor unit)2


consecutive minutes


disconnected

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Highclassification

error

Lowclassification


grade Notes

CH11xxx ~CH16xxx

CH12001 ~CH12999




2

Haven't received a centralcontrol communication signalfrom ODU #2 for more than 3




error code is displayedas is

2

If an error occurs in the outdoorunit communicating with indoorunit 2 of COM #2, the code is

displayed as is

CH13001 ~CH13999



disconnected


outdoor unit)2


consecutive minutes


disconnected



2






2


displayed as is

CH14001 ~CH14999



disconnected


outdoor unit)2

If indoor unit 1 of COM #4hasn't received an outdoor unitcommunication signal for more

than 3 consecutive minutes


disconnected



2


consecutive minutes (erroroccurs only when target




2


displayed as is

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ENGLISH ESPAÑOL FRANÇAIS OWNER’S & INSTALLATION …

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Transcript of ENGLISH ESPAÑOL FRANÇAIS OWNER’S & INSTALLATION …