R7284U1004 Universal Digital Electronic Oil Primary Training Module
description
Transcript of R7284U1004 Universal Digital Electronic Oil Primary Training Module
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R7284U1004 Universal Digital Electronic Oil Primary
Training Module
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Agenda
• R7284U Product Overview• Key Features and Benefits• Installation and Set Up• Normal Operation• Lockouts and Resetting• Troubleshooting• Error History• Diagnostics• Summary• Product Cross Reference and Support Materials
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R7284U Universal Electronic Oil Primary
• What is an Electronic Oil Primary?- It is a line voltage, safety rated,
primary control for residential oil fired burners used in boilers, forced air furnaces and water heaters.Applicable for use with both
hydronic and forced air systems.
- Used with a cad cell flame sensor, operates an oil burner and optional oil valve.
Universal Oil Primary Part Number:
R7284U1004
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R7284 Key Feature Summary
1. Diagnostics with actionable information
2. Error logging for “deep dive” troubleshooting when needed
3. Universal and Configurable
4. Real time status
5. Ease of Use
Integrated Display – No External Tool!
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R7284 Features - Diagnostics
• Diagnostics with actionable information- Igniter spark detection- Cad cell high during run- Cad cell adjustment/cleaning- Flame proven late in trial- Low voltage alarms
• Error history for “deep dive” troubleshooting
Last 10 errors What the error was How many cycles ago it occurred
• Diagnostic information can be hidden from homeowner view
• No external tool required!
Points the technician towards the cause of failure
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R7284 Features - Diagnostics with actionable information
• For the Oil Dealer- Reduce unnecessary part changing
- Reduce service contract costs
- Reduce customer costs
- Reduce call-backs
• For the technicians- No more head scratching in front of the
homeowner
- Show the homeowner why you’re changing the right part
- If lockout was due to voltage – show the homeowner why you’re not changing anything!
Improve Customer Service and the Bottom Line
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R7284U Features
• Universal compatibility- This control replaces Beckett, Carlin, White Rodgers
and most prior Honeywell Residential Oil Primary Controls
- Can be used as an interrupted or an intermittent control- One OS# covers the full range of timing offerings- One control covers 15, 30, 45 second lockout
timings
• Field Adjustable valve-on delay, trial for ignition (lockout times), and blower-off delay- Valve-on delay 0 to 30 seconds in 5 second increments
- Trial for ignition selectable 15, 30 or 45 seconds
- Blower-off delay 0 to 8 minutes in 15 second increments
• Pump priming cycle
• Limited recycle
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Much more than adding a display to the control!
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R7284 Features – Competitive Comparison
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R7284U Display Key Features
• English, Spanish, French language alpha-numeric display- Current system status
- Cad Cell reading
- Diagnostic information
- Field adjustable setup of the control – data can be hidden from homeowner view
RUNNING
200 OHMS
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Additional R7284U Features
•Recessed wiring pocket creates more space near the quick connect terminals
•Safe start check – check for flame presence prior to lighting the burner
•Compatible with power venters without integral timers
•Oil-resistant plastic cover for electronics
•EnviraCOMTM communications enabled:- Includes EnviraCOM™ Connection for local networking & diagnostics
-Compatible with the Honeywell EnviraLINK™ remote monitoring application, which enables dealers to monitor their customers systems remotely.
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Control Layout
EnviraCOM™ Communications
Data Port
EnviraCOM™
Terminals.
T-T Terminals
i Button – Reset, and access diagnostic history
Alpha-Numeric Display – 16 character two line display and Buttons –
Adjust timings and
access error history
information on display
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Control Layout
Recessed Spade Terminals – control
mounts more easily on junction box
Spade Terminals – L2 and Cad Cell
Recessed Wiring Pocket – Creates more wiring space in the junction box
Spade Terminals –
Igniter, Motor, Valve,
Limit, and L1
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Set-Up
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Hold all three buttons at once for 3 seconds to enter setup menuSelect CONT. with arrow buttons and press the i button to continue
Set-Up of the R7284U
STANDBYINSTALLER SETUP
QUIT [CONT.]
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Select desired language: English, French or Spanish using the arrow buttons
Select CONT. with arrow buttons and press the i button to continue
Set-Up of the R7284U
LANGUAGE
[ENG] FR ESP
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VALVE ON DELAY
0:10
VALVE ON DELAY
0:00
VALVE ON DELAY
0:05
VALVE ON DELAY
0:15
Set-Up of the R7284U
Adjust valve on delay with the up and down arrows.Press the i button to continue
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IGNITION TIME
0:30
Set-Up of the R7284U
• This option allows you to adjust the trial for ignition time or lockout timing by selecting 15, 30 or 45 seconds
Adjust the trial for ignition timing with the up and down arrows.Press the i button to continue
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IGNITION TIME
LOCKED
Set-Up of the R7284U
• The ignition time is only adjustable during the first 100 cycles. After this time pressing the up or down arrow will display the “LOCKED” message
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BURNER OFF DELAY
3:45
Set-Up of the R7284U
Adjust burner motor off delay with the up and down arrows.Press the i button to continue
BURNER OFF DELAY
4:00
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TT CONFIGURED
[NO] YES
Set-Up of the R7284U
• This option allows you to configure the TT terminals with an internal “jumper”
• Setting allows the R7284U1004 to replace controls where line voltage stats are used or the TT call goes to the aquastat.
Select NO or YES with the up and down arrows.Press the i button to continue
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SPARK IN ON DELAY
[NO] YES
Set-Up of the R7284U
• This option allows you have the igniter spark during the valve on delay timing
Select NO or YES with the up and down arrows.Press the i button to continue
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SPARK DURING RUN
[NO] YES
Set-Up of the R7284U
• The option allows to setup the control for interrupted or intermittent operation
• By selecting NO, the control will function as an interrupted control, sparking the igniter only during the trial for ignition
• Selecting YES will cause intermittent functionality, sparking the igniter during the entire run cycle
• Interrupted ignition uses less electricity and also reduces the amount of wear and cleaning/replacement needed of an electrodes
Select NO or YES with the up and down arrows.Press the i button to continue
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• The ALLOWED RESETS menu give the installer the opportunity to select the number lockouts the unit can enter before entering restricted lockout
• 0, 1, 3 or unlimited lockouts can be selected• Lockout requires the i button to be held for 2 seconds to reset• Restricted lockout requires the i button to be held for 10
seconds before reset
ALLOWED RESETS
0 1 [3] NOLIMIT
Set-Up of the R7284U
Adjust number of allowed resets with the up and down arrows.Press the i button to continue
ALLOWED RESETS
0 [1] 3 NOLIMIT
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Set-Up of the R7284U
• This menu allows the user to configure the appliance configuration for specific EnviraCOM messages
• Boiler, Furnace or Water Heater are the selectable options• This setting is only needed if the unit is part of an EnviraCOM
communicating system
Select the type of appliance for the oil primary application Boiler, Furnace or Water Heater.
Press the i button to continue
APPLIANCE TYPE
[BLR] FURN WH
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SHOW DIAGNOSTICS
[NO] YES
Set-Up of the R7284U
• The Show Diagnostics menu allows the technician to give access to the diagnostic information during normal operation or keep it hidden
• Selecting YES allows the diagnostic information to be view during normal operation
• Selecting NO does allows the information to be viewed only in the installer mode
Select NO or YES with the up and down arrows.Press the i button to continue
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INSTALLER SETUP
[QUIT]CONT.
Set-Up of the R7284U
INSTALLER SETUP
QUIT [CONT.]
Select QUIT with arrow buttons and press the i button to continue
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RE-BASELINE?
[NO] YES
Set-Up of the R7284U
• Once QUIT is selected the user is prompted to RE-BASELINE the control
• Selecting YES restarts the the averaging process for the Cad Cell reading and Ignition Time
• Selecting NO continues to use the averages that have already been established
Select QUIT with arrow buttons and press the i button to continue
STANDBY
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R7284U Default Setting
• Menu- Language
- Valve On Delay
- Ignition Time (Lockout)
- Burner Motor Off Delay
- TT Configured On
- Spark In On Delay
- Spark During Run
- Allowed Resets
- Appliance Type
- Show Diagnostics
- Re-Baseline
• Factory Default- English
- 0 seconds
- 15 seconds
- 0 seconds
- No
- No
- No
- 3
- Boiler
- Yes
- No
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Normal Operation
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R7284U Normal Operation
• In Idle mode the R7284 shows
STANDBY
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R7284U Normal Operation
• When there is a call for heat
CALL FOR HEAT
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VALVE ON DELAY
0:0
VALVE ON DELAY
0:5
VALVE ON DELAY
0:4
VALVE ON DELAY
0:3
VALVE ON DELAY
0:2
VALVE ON DELAY
0:1
R7284U Normal Operation
• The valve on delay will then begin a countdown• For example a 5 second valve on delay would show
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IGNITION TRIAL
0:15
IGNITION TRIAL
0:14
IGNITION TRIAL
0:13
IGNITION TRIAL
0:12
IGNITION TRIAL
0:11
IGNITION TRIAL
0:10
R7284U Normal Operation
• Next the trial for ignition will begin• The display will countdown until the time runs out
or flame is established
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IGNITION TRIAL
0:10
PUMP PRIME
1:10
R7284U Normal Operation – Pump Priming
• Pressing “up” during the trial for ignition enables the pump priming mode
• Every press up the up button adds a minute to the trial for ignition timing up to 10 minutes
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R7284U Normal Operation
• Once flame is proven we will see this message along with the ohms reading
FLAME PROVEN
255 OHMS
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R7284U Normal Operation
• The display will then show status as running until the call for heat ends
• The ohms will change based on the strength of the flame
RUNNING
255 OHMS
RUNNING
300 OHMS
RUNNING
311 OHMS
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BURNER OFF DELAY
0:05
BURNER OFF DELAY
0:04
BURNER OFF DELAY
0:03
BURNER OFF DELAY
0:02
BURNER OFF DELAY
0:01
BURNER OFF DELAY
0:00
R7284U Normal Operation
• Once the call for heat ends the control will display the burner motor off delay countdown
• The display will countdown until the time runs out
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R7284U Normal Operation
• Once completed the display will return to standby
STANDBY
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Lockouts and Resettingthe R7284U
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Soft Lockout
• Soft Lockouts are entered for the following reasons- Failed ignition attempt line voltage less than alarm level
- Burner relay failure
SOFT LOCKOUT
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Soft Lockout
SOFT LOCKOUT
15:00
• Soft Lockouts automatically exit after the lockout period expires
• The countdown is not displayed until the error clears
• User can exit soft lockout by holding the i button for longer than 2 seconds
SOFT LOCKOUT
14:59
SOFT LOCKOUT
14:58
SOFT LOCKOUT
14:57
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Hard Lockout
• Hard Lockouts are entered for the following Reasons- A failed ignition attempt
- Flame sensed during valve on delay
- Flame sensed during the burner off delay
- Welded burner relay
- Exceeding the maximum number of recycles
HARD LOCKOUT
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Hard Lockout
• The unit remains in Hard Lockout until:- User presses and holds the i button 2 seconds
- Remote Reset signal is received via EnviraCOM™
HARD LOCKOUT
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Restricted Hard Lockout
• Each Hard Lockout instance is counted by the control
• When the specified number is reached the control goes into Restricted Hard Lockout
LOCKOUT
CALL SERVICE
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Restricted Hard Lockout
• Restricted Hard Lockout can only be exited by holding the i button for longer than 10 seconds
LOCKOUT
CALL SERVICE
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Troubleshooting
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R7284U Troubleshooting
• If Ignition did not occur and the cannot determine why the following will be displayed
NO IGNITION
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R7284U Troubleshooting
• If no ignition occurred and the R7284 cannot detect the spark igniter
NO IGNITION
CHECK IGNITER
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R7284U Troubleshooting
• If no ignition occurs and the Cad Cell shifts significantly during the trial for ignition but did not reach the establish flame threshold the following is displayed
NO IGNITION
CHECK CAD CELL
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R7284U Troubleshooting
• If the voltage drops below the minimum threshold the following is displayed
LOW VOLTAGE
30% LOW
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R7284U Troubleshooting
• If Flame is lost more than the allowed number of times
EXCEEDED
MAX RECYCLES
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R7284U Troubleshooting
• Flame was sensed during the valve on delay period
FLAME PROVEN
DURING ON DELAY
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R7284U Troubleshooting
• Flame was sensed during the burner motor off delay period
FLAME PROVEN
DURING OFF DELAY
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R7284U Troubleshooting
• When an internal error is sensed such as an A/D failure, relay failure, etc.
• The control will need to be replaced
INTERNAL ERROR
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R7284U Troubleshooting
• If the Enviracom bus is shorted or there is a bad circuit
ENVIRACOM ERROR
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R7284U Troubleshooting
• If flame is proven late in 2 consecutive trials the following message is displayed
FLAME PROVEN
LATE IN TRIAL
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R7284U Troubleshooting
• When the cad cell resistance is high during the last run cycle.
CAD CELL
HIGH DURING RUN
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R7284U Troubleshooting
• If flame has been present in idle mode for longer than 1 hour
FLAME PROVEN
OUT OF SEQUENCE
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Error History
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Error History
• Control saves the last 10 errors• Accessing error history:
STANDBY
and Buttons –
Access error history
during normal operation
i Button – Press during error history to return to normal operation
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Error History Menu
Press UP or DOWN to view the error history
STANDBYERROR 1NO IGNITIONLAST CYCLE
Press UP to go to the next errorr
i
The control will automatically cycle through 3 screens
Advance to next slide
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5
CYCLES AGO
ERROR 2NO IGNITION
CHECK CAD CELL
Error History Menu
Press UP to go to the next error
i
Advance to next slide
The control will automatically cycle through 3 screens
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ERROR HISTORY
END
Error History Menu
Press i to return to the normal operating status
STANDBY
i
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Diagnostics
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Diagnostic Information
• View current status• Access baseline information• Cycle count information• Info can be hidden from Homeowner
STANDBY
i Button – Press during normal operation to access information
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STANDBY
Diagnostic Information
Press the i button at any time to access the system information
i
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TT OPEN
LIMIT OPEN
System Status
• The first menu shows the current status of the TT and Limit Inputs
Pressing the i button will advance to the current Cad Cell reading
i
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CAD CELL
75265 OHMS
VIEW HISTORY
[NO] YES
System Status
Pressing the i button again will advance to the view history option if it was enabled in the installer setup
i
VIEW HISTORY
NO [YES]
• Selecting YES allows the Technician to view the current reading, average of last 10 and the baseline reading for the Cad Cell and Trial for Ignition timingPress i to continue
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CAD CELL
System History
• The Cad Cell screen will automatically scroll through 4 screens• The baseline readings are calculated base on the average of
the first 500 cyclesPressing the i during any of the screens will advance to the ignition timing
i
LAST CYCLE
480 OHMS
LAST 10 CYCLES
410 OHMS
BASELINE
380 OHMS
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IGNITION TIMELAST CYCLE
12 SECONDS
LAST 10 CYCLES
11 SECONDS
BASELINE
8 SECONDS
System History
• The Ignition Time screen will automatically scroll through 4 screens
Pressing the i during any of the screens will advance to the cycle counts
i
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68686
BURNER CYCLES
8688 CYCLES
SINCE BASELINE
5 RECYCLES
SINCE BASELINE
4 LOCKOUTS
SINCE BASELINE
System History
• The Cycle Count screen will automatically scroll through 4 screens
Pressing the i during any of the screens will advance to the view history screen
i
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Summary
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R7284 Key Feature Summary
1. Diagnostics with actionable information
2. Error logging for “deep dive” troubleshooting when needed
3. Universal and configurable
4. Real time status
5. Easy of use
Integrated Display – No External Tool!
i
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R7284 Features - Diagnostics
• Diagnostics with actionable information- Igniter spark detection- Cad cell high during run- Cad cell adjustment/cleaning- Flame proven late in trial- Low voltage alarms
• Error history for “deep dive” troubleshooting
Last 10 errors What the error was How many cycles ago it occurred
• Diagnostic information can be hidden from homeowner view
• No external tool required!
Points the technician towards the cause of failure
i
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R7284 Features - Diagnostics with actionable information
• For the Oil Dealer- Reduce unnecessary part changing
- Reduce service contract costs
- Reduce customer costs
- Reduce call-backs
• For the technicians- No more head scratching in front of the
homeowner
- Show the homeowner why you’re changing the right part
- If lockout was due to voltage – show the homeowner why you’re not changing anything!
Points the technician towards the cause of failure
i
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Product Cross Reference and Support Materials
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Product Cross Reference
• Where do I find Honeywell universal electronic oil primary cross reference information?- www.customer.honeywell.com
- Honeywell Application Selection and Cross Reference Guide – Form 63-9575
- Honeywell Laminated Truck Visor – Form 63-9581O
- Technicians Quick Reference Guide Form 69-2500
- Honeywell Residential Technical Support: 1-800-468-1502
63-9575
63-9581O
69-2500
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Oil Primary Cross Reference Table
This chart can be found in the Residential Combustion Application Guide: Form #63-9575
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www.customer.honeywell.com
• See Cross Reference Search box in right column.
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R7284U Universal Digital Electronic Oil Primary
Knowledge Test
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R7284U Oil Primary Knowledge Test
• Now that you completed this training module, take the short quiz to test your knowledge.
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Test
1. The R7284U can be used in both hydronic and forced air systems? T or F
2. The Honeywell R7284U can replace most prior Honeywell oil primary controls, as well as Carlin and White Rodgers controls? T or F
3. The display on the R7284U provides real-time status and cad cell readings in ohms? T of F
4. The R7284U has adjustable lockout times of 15, 30 or 45 seconds? T or F
5. The pump priming cycle requires that the installer be present at the oil primary to purge the line? T or F
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Test
6. Limited reset prevents the homeowner from continually pressing the reset button instead of calling for service? T or F
7. The display can identify system lockout and potential cause of failure? T or F
8. The valve on and blower off delay times are factory set and cannot be set by the installer during installation? T or F
9. The limited recycle features can help prevent clogging the heat exchanger or flooding? T or F
10.A separate external tool is required to retrieve information from the R7284U1004 oil primary? T or F
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Answer Key
1. T2. T3. T4. T5. F – techs can add time to the trial for ignition6. T7. T8. F – timings are field configurable by the tech9. T10.F – no tool is required, info provided on display