For G6RC, G6RD and G6RL Residential Furnaces
BLUE | BLUE |
| BLUE |
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BLOWER | SUPPLY AIR | FLAME |
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DECK SWITCH | LIMIT SWITCH | SWITCH |
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(SELECT MODELS | (ALL MODELS) | (ALL MODELS) |
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ONLY) |
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| BLUE BLUE | ORANGE ORANGE |
| WHITE (NEUTRAL) |
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| BLACK 120V |
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| GROUND |
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| ROOM THERMOSTAT |
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| R |
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| Y |
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| G |
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| W |
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| AIR CONDITIONER |
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| CONDENSING UNIT |
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| C |
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| Y |
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FLAME SENSOR |
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| RED |
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| YELLOW |
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| BROWN |
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| GAS |
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| VALVE |
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| IGNITOR |
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Legend |
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| BLACK | |
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| BLACK | ||
Field Wiring |
| R | C | BLACK |
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Factory Wiring: | INDUCER |
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Low Voltage |
| BLACK | ||
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High Voltage |
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| STATUS | |
FAULT CONDITION |
| RED | ||
| LIGHT | |||
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Power On |
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| ON |
Limit Circuit Open |
| 1 FLASH | ||
Pressure Switch Stuck Open |
| 2 FLASHES | ||
Pressure Switch Stuck Closed |
| 3 FLASHES | ||
Ignition Failure (Check Ground) |
| 4 FLASHES | ||
115 VAC & Neutral Reversed or no Ground 5 FLASHES | ||||
False Flame or Gas Valve Relay Shorted | Continuous | |||
Power Off |
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| OFF |
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| FLAME | |
FAULT CONDITION |
| YELLOW | ||
| LIGHT | |||
Low Flame Sensor Signal |
| Continuous | ||
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| Flash | |
Flame Present |
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| ON |
VENT |
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PRESSURE | VENT | ||||||
SAFETY | SWITCH | PRESSURE SWITCH | |||||
SWITCH |
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| (93+ MODELS ONLY) | ||
(ALL MODELS) |
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WHITEBLACK
BLOWER DOOR
SWITCH
GREEN
TRANSFORMER |
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WHITE W/ BLK STRIPES | WHITE |
24 V | 120 V |
BLK W/ WHITE STRIPES | BLACK |
180 120 90 60 | BLACK |
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| 3 OR 4 SPEED MOTOR |
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| C |
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| H |
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| MH |
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| L | ML |
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| WHITE | RED | ORANGE | BLUE | BLACK |
RED | 1 |
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ORANGE | 2 |
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BLUE | 3 |
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BLACK | 4 |
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| 5 |
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WHITE | 6 |
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| MOTOR |
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| PLUG |
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THESE WIRES ARE
NOT PRESENT
ON 3 SPEED
MODELS
If any of the original wire as supplied with the furnace must be replaced, it must be replaced with wiring material having a temperature rating of at least 105 C.
Figure 26. G6RC, G6RD and G6RL Integrated Control Board System Diagram
30
