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Timing Chart for Integrated Ignition Control Normal Heating Operation
Air Circulation Blower
Induced Draft Blower
Gas Valve
Ignitor
Pressure Switch
Combustion Blower
Thermostat
Light Signal
Continuous Light
1 Flash
2 Flashes
3 Flashes
4 Flashes
5 Flashes
Continuous Flashing
Timing Chart for Normal Cooling Operation
Indoor Fan
Outdoor Fan
And
Compressor
Thermostat
Heating
On
Off
Open
Closed
On
Off
Closed
Open
On
Off
On
Off
Seconds*
0 17 21 24
* Timings may vary ±2 seconds.
Integrated Ignition Control
Diagnostic Signal Chart
Operation Number
1 Internal Control Failure
2 System Lockout
3 Pressure Switch Stuck Closed
4 Pressure Switch Stuck Open
5 Open Limit Control
6 Open Rollout Control
7 Flame Sensed No Call For Heat
On
Off
On
Off
On
Off
Seconds
20
54
0
5
60, 90, 120,
or 15
Refer to Abnormal
0
45
or 180
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