IGNITION CONTROL DIAGNOSTIC INDICATOR CHART
Light Signal | Refer to Abnormal Heating or Cooling Operation Sections of this Manual |
Off | Internal Control Failure |
1 Flash | External Lockout |
2 Flashes | Pressure Switch Stuck Open |
3 Flashes | Pressure Switch Stuck Closed |
4 Flashes | Thermal Protection Device Open |
5 Flashes | Flame Detected with Gas Valve Closed |
6 Flashes | Short Cycle Compressor Delay (Cooling Only) |
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HEATING TIMING CHART
Circulator | On | 100 % | |||||||||||||||||||||||||||||||||||||||||||||||
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| 50 % | ||
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Blower | Off |
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Gas Valve On
Off
Igniter On
Induced
Off
Draft On
Blower Off
Thermostat On
Off
Seconds | 0 | 15 | 22 | 45 | 52 | 0 | 29 | 120, 135,150 | |
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| 180*PG1348,60 ONLY |
Legend: |
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| *PG1348,60 |
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COOLING TIMING CHART
Circulator Blower
Outdoor Fan
and
Compressor
Thermostat
ON | 100 % | |||||||||||||||||||||||||
OFF |
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| 50 % |
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ON
OFF
ON
OFF
Seconds | 0 7 | 30 | 0 | 60 | |
Legend: |
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| *PG1348,60 |
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