resideo R7284 Series User manual

69-2500-02
TECHNICIAN’S QUICK REFERENCE GUIDE
R7284 Series
Electronic Oil Primary
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.

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• 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.
• Pressing up or down in any screen enters Error History if
diagnostics are enabled outside of the Installer Setup mode.
Below is a typical progression of screens through a normal cycle.
If at any point there is an event generating a lockout, one of the
following screens will be displayed.
Installer Setup (Advanced Interface)
Installer setup is entered by pushing all three buttons
simultaneously for 2 seconds.
NOTE: Not all parameters are adjustable in all models. Param-
eters not available for adjustment will display “Locked”
when an attempt is made to modify them.
Pressing up or down during the Ignition Trial
enters pump prime.
Each press of the up button adds a minute, each
press of the down button subtracts a minute
from the pump prime time.
Control is in Soft Lockout. Control will recover
when error clears or after specified time.
Control is in Hard Lockout. Hold “i” for at least
2 seconds to reset.
Hold the “i” button longer than 10 seconds to
return to Standby.
If QUIT is selected, an “i” button press displays
the Re-baseline option.
If CONT is selected, an “i” button press goes to
“Installer Setup”.

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NOTE: The Ignition Time is only available for adjustment
during the first 100 cycles of operation. After
100 cycles the Ignition Time is locked in and can no
longer be adjusted.
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.
Adjustment of the Burner Off Delay. Burner Off
Delay can be adjusted in 15 second increments
from 0 to 8 minutes.
Configuration of the TT terminals vs. an “internal
jumper.” This option allows you to jumper the TT
terminals electronically so no physical jumper is
needed.
Controls sparking during On Delay period.
Controls sparking during Run mode (Interrupted
vs. Intermittent ignition).
Number of resets allowed before Restricted
Lockout.
Appliance configuration (boiler, furnace, water
heater) for EnviraCOM™.
Enable advanced diagnostics mode and error
history. Selecting NO allows access to error
history and diagnostics only by entering Installer
Setup.
Exit installer setup.
If “QUIT” is selected, the user is prompted with a
screen asking if it is desired to rebaseline the
control.

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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.
These three screens transition every 3 sec.
If no more errors are logged, the display shows “Error History
End.”
Basic User Interface
The basic user interface consists of 3 buttons and an LED. Simple
diagnostic information can be obtained through the interaction of
the buttons and LED.
R7284 Status (Basic Interface)
Table 1. LED Codes.
Description LED Code
Standby Pulse (1/4 sec. ON, 4 sec OFF)
Call for Heat Heartbeat (1/2 sec bright, 1/2 sec dim) *
Flame proven On solid
Recycle 2 second ON, 2 second OFF flashing
Lockout 1/2 second on, 1/2 second OFF flashing
Interrupt OFF
“i” button Flame Strength Indication
Up button Most recent error
Down button Next most recent error

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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.
Error History (Basic Interface)
The last two errors are available for display on the LED:
• Pressing the up arrow button displays the most recent error.
• Pressing the down arrow button displays the next most recent
error.
Once the up or down arrow is pushed, the LED will display the
most recent or next most recent alarm by blinking the error code.
See Table 3.
R7284 Error Codes (Basic Interface)
Table 3. Error Codes.
Flame Strength Indication Number of 1/2 sec flashes
Cad Cell less than 400Ω1
400Ω< Cad Cell < 800Ω2
800Ω< Cad Cell < 1600Ω3
1600Ω< Cad Cell < 6100Ω4
Cad Cell > 6100ΩNone
Error Codes
Number of 1/4
sec flashes
No ignition / Late ignition 1
Max flame losses / Cad Cell high while
running 2
Flame out of sequence 3
Low Voltage / EnviraCOM™ error 4
Internal Error 5

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R7284 SERIES ELECTRONIC OIL PRIMARY
© 2021 Resideo Technologies, Inc. All rights reserved.
This product is manufactured by Resideo Technologies, Inc. and its affiliates.
www.resideo.com
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