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1.
for heat.
2. Integrated control module performs safety circuit
checks.
3.
prepurge period causing pressure sensor contacts to
close.
4. At the end of pre-purge period, integrated control
5.
integrated control module, the spark igniter and gas
valve are energized for 4 seconds.
6.
detected.
7.
8. The unit delivers heat to the conditioned space until
monitors safety circuits continuously.
9.
call for heat; gas valve de-energizes.
10.
post purge.
11.
of approximately 90/120/150/180 seconds (factory
set at 150).
1.
2.
3. Remove the heat exchanger door on the side of the
4.
5.
6. Replace the heat exchanger door on the unit.
7.
Elevated temperatures at the control are normally caused
determined and repaired.
control has cooled.
The reason for elevated temperatures at the control should
reset control.
auto-reset sensor. The reason for elevated
repaired.
The mitigation system is a stationary device that detects
refrigerant sensors and then initiates mitigation actions.
concentration of leaked R-32 refrigerant to prevent serious
safety hazards. The mitigation actions are accomplished
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