SCHEMATICS
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
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| BLOWER |
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| ELECTRONIC |
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| INDUCER |
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| AIR CLEANER |
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| HI | LO |
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| CIR | EAC | IND |
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COOL | HEAT | HEAT |
| PARK | NEU EAC | NEU |
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K2 | K2 |
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| K3 |
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| K6 |
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K3 |
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| K1 |
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| K7 |
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| .0005 |
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| 3M |
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| FACTORY | K5 |
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| K4 |
| JUMPER |
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| FACTORY |
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| JUMPER |
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| FP | IGN | GND | MV | MLV | PS | HLO | HLI | PSO |
FLAME |
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SENSOR |
| COM |
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PROBE |
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| HIGH | AUX | |
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| PM | ||
IGNITOR | HI | LIMIT | LIMIT | |
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| GAS | VALVE | PRESSURE |
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SWITCH
R |
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RO2 | ROLLOUT |
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RO1 |
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SWITCH |
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TH |
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XFMR |
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HOT |
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| 24 VAC |
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XFMR |
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NEU | COMPRESSOR |
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TR | CONTACTOR | R |
C | COIL | |
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Y | Y |
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G | G |
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W | W |
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| THERMOSTAT | |
TYPICAL SCHEMATIC
AMH8 ____** MODEL FURNACES
WR 50M56-289 INTEGRATED IGNITION CONTROL
This schematic is for reference only. Not all wiring is as shown above. Always refer to the appropriate wiring diagram for the unit being serviced.
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