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Table of Contents
R7284 Series
Electronic Oil Primary
TECHNICIAN'S QUICK REFERENCE GUIDE
The following service procedures will help you become familiar
with the R7284 electronic oil primary controls. For control
operation, please refer to the basic control functions described on
the back. For further information, wiring instructions and
troubleshooting, please refer to the R7284 Installation
Instructions, form number 69-2467.
Pump Priming Cycle
To facilitate purging air from the oil lines and filters, the R7284
can be placed in a purge routine by pressing and releasing the up
arrow button during the Trial For Ignition.
In the advanced interface "PUMP PRIME" is displayed on the
display along with the time left on the Trial for Ignition (TFI).
Pressing the up arrow button adds a minute to the TFI time for a
maximum of 10 additional minutes (press the up arrow button
10 times). Pressing the down arrow button subtracts a minute
from the TFI time.
There is no visual indication for the basic interface control and
the purge timing is limited to five minutes.
Home Screens (Advanced Interface)
Pressing the "i" button longer than 2 seconds in states other than
Standby Interrupts control operation.
Once the held key is released a 3 second count down begins to
restart the cycle if the call for heat is still present.
69-2500-02
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Summary of Contents for resideo R7284 Series
- Page 1 R7284 Series Electronic Oil Primary TECHNICIAN’S QUICK REFERENCE GUIDE The following service procedures will help you become familiar with the R7284 electronic oil primary controls. For control operation, please refer to the basic control functions described on the back. For further information, wiring instructions and troubleshooting, please refer to the R7284 Installation Instructions, form number 69-2467.
- Page 2 R7284 SERIES ELECTRONIC OIL PRIMARY • Holding all 3 buttons longer than 2 seconds in any state puts the display in the Installer Setup (ISU) mode. • Pressing “i” in any state enters the Diagnostic screen if diagnostics are enabled outside of the Installer Setup mode.
- Page 3 R7284 SERIES ELECTRONIC OIL PRIMARY Select between English, French, or Spanish by using the up or down buttons and the “i” button to select. Adjustment of the Valve On Delay in five second increments. Ignition (lockout) Time adjustment. NOTE: The Ignition Time is only available for adjustment during the first 100 cycles of operation.
- Page 4 R7284 SERIES ELECTRONIC OIL PRIMARY Error History Screens (Advanced Interface) For all Error History screens, pressing “i” returns to the Normal Screen. From the home screen, press the up button to display most recent error. Press the up button again to proceed to the next most recent error or the down button to return to the previous error screen.
- Page 5 R7284 SERIES ELECTRONIC OIL PRIMARY R7284 Flame Strength (Basic Interface) During normal operation and when the R7284 is in the Running state, the LED will show CAD cell resistance. See Table 2. Table 2. Flame Strength Indication. Flame Strength Indication Number of 1/2 sec flashes Cad Cell less than 400Ω...
- Page 6 R7284 SERIES ELECTRONIC OIL PRIMARY 69-2500—02...
- Page 7 R7284 SERIES ELECTRONIC OIL PRIMARY 69-2500—02...
- Page 8 Resideo Technologies, Inc. 1985 Douglas Drive North, Golden Valley, MN 55422 1-800-468-1502 69-2500—02 M.S. Rev. 03-21 | Printed in United States www.resideo.com © 2021 Resideo Technologies, Inc. All rights reserved. This product is manufactured by Resideo Technologies, Inc. and its affiliates.
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Questions and answers
Why is the oil reset always in standby when its calling for heat but not firing
The Resideo R7284 Series oil control may be in standby when calling for heat but not firing due to several possible reasons:
1. Error Condition – The control may have detected an issue such as no ignition, late ignition, flame out of sequence, low voltage, or an internal error. The LED should display an error code to indicate the specific issue.
2. Lockout Condition – If the control has entered a lockout state due to repeated ignition failures or another fault, it will not initiate firing.
3. Pump Prime Mode – If the unit is in pump priming mode, it may delay firing while purging air from the oil lines.
4. Low Voltage or EnviraCOM™ Error – A low voltage condition or communication error can prevent the burner from firing.
Checking the error history, ensuring proper wiring, and verifying the oil supply and ignition components can help resolve the issue.
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