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R7284U1004 Universal Digital Electronic Oil Primary Training Module. 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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R7284U1004 Universal Digital Electronic Oil Primary Training Module
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
R7284U Universal Electronic Oil Primary • What is an Electronic Oil Primary? • It isa 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
R7284 Key Feature Summary • Diagnostics with actionable information • Error logging for “deep dive” troubleshooting when needed • Universal and Configurable • Real time status • Ease of Use i Integrated Display – No External Tool!
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! i Points the technician towards the cause of failure
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! i Improve Customer Service and the Bottom Line
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 i
R7284 Features – Competitive Comparison i Much more than adding a display to the control!
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
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. Additional R7284U Features
EnviraCOM™ Communications Data Port Alpha-Numeric Display – 16 character two line display and Buttons – Adjust timings and access error history information on display i Button – Reset, and access diagnostic history EnviraCOM™ Terminals. T-T Terminals Control Layout
Recessed Wiring Pocket – Creates more wiring space in the junction box Recessed Spade Terminals – control mounts more easily on junction box Spade Terminals – L2 and Cad Cell Spade Terminals – Igniter, Motor, Valve, Limit, and L1 Control Layout
Hold all three buttons at once for 3 seconds to enter setup menu Select CONT. with arrow buttons and press the i button to continue Set-Up of the R7284U STANDBY INSTALLER SETUP QUIT [CONT.] i
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 i
Adjust valve on delay with the up and down arrows. Press the i button to continue Set-Up of the R7284U VALVE ON DELAY 0:15 VALVE ON DELAY 0:10 VALVE ON DELAY 0:00 VALVE ON DELAY 0:05 i
Adjust the trial for ignition timing with the up and down arrows. Press the i button to continue Set-Up of the R7284U IGNITION TIME 0:30 i • This option allows you to adjust the trial for ignition time or lockout timing by selecting 15, 30 or 45 seconds
Set-Up of the R7284U IGNITION TIME LOCKED i • 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
Adjust burner motor off delay with the up and down arrows. Press the i button to continue Set-Up of the R7284U BURNER OFF DELAY 3:45 BURNER OFF DELAY 4:00 i
Select NO or YES with the up and down arrows. Press the i button to continue Set-Up of the R7284U TT CONFIGURED [NO] YES i • 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 Set-Up of the R7284U SPARK IN ON DELAY [NO] YES i • 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 Set-Up of the R7284U SPARK DURING RUN [NO] YES i • 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
Adjust number of allowed resets with the up and down arrows. Press the i button to continue Set-Up of the R7284U ALLOWED RESETS 0 1 [3] NOLIMIT ALLOWED RESETS 0 [1] 3 NOLIMIT i • 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
Select the type of appliance for the oil primary application Boiler, Furnace or Water Heater. Press the i button to continue Set-Up of the R7284U APPLIANCE TYPE [BLR] FURN WH i • 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 NO or YES with the up and down arrows. Press the i button to continue Set-Up of the R7284U SHOW DIAGNOSTICS [NO] YES i • 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 QUIT with arrow buttons and press the i button to continue Set-Up of the R7284U INSTALLER SETUP [QUIT] CONT. INSTALLER SETUP QUIT [CONT.] i
Select QUIT with arrow buttons and press the i button to continue Set-Up of the R7284U STANDBY RE-BASELINE? [NO] YES i • 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
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 R7284U Default Setting
R7284U Normal Operation • In Idle mode the R7284 shows STANDBY
R7284U Normal Operation • When there is a call for heat CALL FOR HEAT
R7284U Normal Operation • The valve on delay will then begin a countdown • For example a 5 second valve on delay would show 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 • Next the trial for ignition will begin • The display will countdown until the time runs out or flame is established 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 – 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 IGNITION TRIAL 0:10 PUMP PRIME 1:10
R7284U Normal Operation • Once flame is proven we will see this message along with the ohms reading FLAME PROVEN 255 OHMS
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 300 OHMS RUNNING 311 OHMS RUNNING 255 OHMS
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 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 completed the display will return to standby STANDBY
Soft Lockout • Soft Lockouts are entered for the following reasons • Failed ignition attempt line voltage less than alarm level • Burner relay failure SOFT LOCKOUT
Soft Lockout • 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 14:58 SOFT LOCKOUT 14:57 SOFT LOCKOUT 15:00 SOFT LOCKOUT 14:59
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
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
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
Restricted Hard Lockout • Restricted Hard Lockout can only be exited by holding the i button for longer than 10 seconds LOCKOUT CALL SERVICE
R7284U Troubleshooting • If Ignition did not occur and the cannot determine why the following will be displayed NO IGNITION
R7284U Troubleshooting • If no ignition occurred and the R7284 cannot detect the spark igniter NO IGNITION CHECK IGNITER
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
R7284U Troubleshooting • If the voltage drops below the minimum threshold the following is displayed LOW VOLTAGE 30% LOW