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