![M1GH 077, 090 Models.](/images/new-backgrounds/32325/3232569x1.webp)
M1GH 077, 090 Models.
NOTES
1.Incoming power must be polarized. Observe color coding. (See furnace data label for electrical information.)
BLOWER
MOTOR
HEATINGAUX. LIMIT ONLY
2. If any of the original wires (as supplied with |
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| BLACK | W |
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| BLUE |
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the appliance) must be replaced, use 105˚C |
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Thermoplastic type wire or its equivalent. |
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| C |
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| 1 | 2 | 3 | 4 | 5 | 6 |
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ON/OFF |
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SWITCH |
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CONNECTOR |
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HOUSING CAP |
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BLACK |
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| BLUE |
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| RED |
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4 | 6 | 3 |
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2 | 5 | 1 |
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| 3A FUSE |
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BLACK |
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| FAN |
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| BLACK | SWITCH | BLACK | BLACK |
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| RED |
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| COMBUSTION | ||||
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| TRANSFORMER |
| 24 V | C |
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SUPPLIED BY |
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| L1 | 115 V N |
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INSTALLER |
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| ORANGE |
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L1 |
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NEUTRAL |
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| PRESSURE | |
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| SWITCH |
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GROUND |
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| BLUE |
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SCREW |
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BUSHING | FURNACE ELECTRICAL BOX |
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GAS VALVE | LEGENDS |
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115V: | FIELD 115V: | |
FAN ON/AUTO | 24V: | FIELD 24V: |
SWITCH |
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703888C
35
Figure 41. Standing Pilot with Induced Draft Furnace, M1GH 077, 090 Models