Thermo Pride OPA Installation And Service Manual page 78

All installations and services must be performed by qualified service personnel.
Mode of Operation
Main Burner
Operation
Repeat Ignition
Trial
Call for Heat
Satisfied
System Lockout
End of Cycle
Control System Action
After 45 second delay, the
ignition electrodes are de-
energized. The circulating
air fan is energized at heating
speed. The (optional) electronic
air cleaner & humidifier are
energized.
When thermostat is satisfied,
contacts open and the oil
valve is de-energized. After
a 2 minute burner off delay,
burner motor is de-energized.
The 2 minute delay- to- fan-off
period begins.
After the delay-to-fan-off
period ends, the circulating
air fan and {optional)
electronic air cleaner are
de-energized.
77
OPA
If ignition attempt is unsuccessful,
the ignition control module goes into
system lockout.
If system is in lockout,(check if LED
is flashing fast) try to recycle the
system by depressing the RESET button
on the ignition control module.
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