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Standby
Motor-off
delay
Valve-on
delay
Trial for
ignition
Ignition
carryover
Run
Lockout
Recycle
9
Pump
prime
Sequence of Operation
Burner States
Standby: The burner is idle, waiting
for a call for heat.
Valve-On Delay: The igniter and
motor are on while the control delays
turning on the oil solenoid valve for
the programmed time.
Trial For Ignition: The oil solenoid
valve is energized. A ame should be
established within the factory set trial
for ignition time (“lockout time”).
4. Lockout: The control has shut
down for one of the following safety
reasons:
a. The trial for ignition (lockout)
time expired without ame being
established.
b. The cad cell detected ame at the
end of the Valve On Delay state.
To reset the control from lockout click
the button 1-second.
NOTE: A recurrence of the above failure
modes or a failed welded relay check
could cause the control to enter a
Hard Lockout state that must be
reset only by a qualied service
technician.
To reset from Hard Lockout, hold the
reset button for 15 seconds until the
yellow light turns on.
Ignition Carryover: Once ame is
established, the igniter remains on for
10 additional seconds to ensure ame
stability.
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▪
1.
2.
3.
5.
Run: The ame is sustained until the
call for heat is satised. The burner
is then sent to Motor-Off Delay, if
applicable, or it is shut down and sent
to Standby.
Recycle: If the ame is lost while
the burner is ring, the control shuts
down the burner, enters a 60 second
recycle delay, and repeats the ignition
sequence. The control will continue
to Recycle each time the ame is
lost, until it reaches a pre-set time
allotment. The control will then go
into Hard Lockout instead of recycle.
This feature prevents excessive
accumulation of oil in the appliance
ring chamber.
Motor-Off Delay: If applicable, the oil
solenoid valve is turned off and the
control delays turning the motor off for
the set motor-off delay time before the
control returns to standby.
Pump Prime: The igniter and motor
are on with the oil solenoid valve
energized for 4 minutes. During
Pump Prime mode, the cad cell is
disregarded, allowing the technician
to prime the pump without having to
jumper the cad cell.
Reset Button Operation
Table 2 explains what action the
control will take when the reset button
is pressed for different lengths of time
during the various burner operating
states.
6.
7.
8.
9.
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○
Priming the Pump
Prepare the burner for priming
by attaching a clear plastic hose
over the bleed port tting and fully
opening the pump bleed port. Use a
suitable container to collect purged
oil.
▪
1.
Open the hand valve in the oil line.
Click the reset button and verify
that the red light in the reset button
shuts off and that the burner lights.
End the call for heat.
Before leaving the installation, verify
that all thermostat and boiler/furnace
control wiring is correct. Consult heating
appliance manual for directions.
6.
7.
8.
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