*PG15*****41A* WIRING DIAGRAM
HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING.
MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
L1 |
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| SUPPLY VOLTAGE |
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| L2 | ||
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CC | T1 |
| R |
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| T2 | CC |
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L1 |
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| C |
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| C |
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LO |
| S |
| H |
| L2 | ||
INTEGRATED IGNITION CONTROL |
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HI |
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| CM | F |
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| INTEGRATED IGNITION CONTROL | |
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LO |
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HI |
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| VM |
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L1 |
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| EM |
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L1 |
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| SEE NOTE 2 | L2 | |||
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P1 2 TH | F |
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| TR |
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| ALS | LS |
| RS |
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| 1 | HLO |
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R |
| 3 | HLI |
| PS |
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| PSW |
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W 1 |
| 6 |
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W 2 |
| 8 | PSW |
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| TO | 9 | MVL |
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| M |
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| MICRO |
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| GV | ||
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| MVH |
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Y2 |
| 7 |
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| HI | ||
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C |
| 5 | MVC |
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| C |
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Y1 |
| P2 1 | COM |
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| CONTROL | 4 |
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| 5 |
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| HPS |
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| LPS |
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| 3 |
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| IGNITION |
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| SEE NOTE 7 |
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| SEE NOTE 8 |
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| INTERGRATED | 6 |
| 1 | ECON | 5 | CC |
| 2 |
| 2 | ECON | 5 |
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| SOL |
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| ECON | 3 | ECON | 4 |
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| LO HEAT |
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G | TO |
| HI HEAT |
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| EM C |
| LO COOL |
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| MICRO |
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| HI COOL |
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COMPONENT LEGEND |
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| FACTORY WIRING | ||
ALS | AUXILLARY LIMIT SWITCH |
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| LINE VOLTAGE |
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COMP | COMPRESSOR |
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| LOW VOLTAGE |
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CM | CONDENSER MOTOR |
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| OPTIONAL HIGH VOLTAGE | |
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CCCONTACTOR
ECON ECONOMIZER
EM | EVAPORATOR MOTOR |
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| FIELD WIRING | ||||||||
F | FUSE |
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| HIGH VOLTAGE | |
FS | FLAME SENSOR |
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| LOW VOLTAGE | ||||
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GND | EQUIPMENT GROUND |
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GV | GAS VALVE |
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| WIRE CODE | ||||||||
IIC | INTEGRATED IGNITION CONTROL |
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| BK | BLACK | |||||||
IGN | IGNITOR |
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| BL | BLUE | |||||||||
LS | LIMIT SWITCH |
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| BR | BROWN | |||||||||
PS | PRESSURE SWITCH |
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| GR | GREEN | |||||||
RCCF | RUN CAPACITOR FOR COMPRESSOR/FAN |
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| OR | ORANGE | |||||||
RS | ROLLOUT SWITCH |
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| PK | PINK | |||||||
SOL | SOLENOID (2ND STAGE COOL) |
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| PU | PURPLE | |||||||
TR | TRANSFORMER |
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| RD | RED | |||||||
VM | VENT MOTOR |
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| WH | WHITE | |||||||
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| YL | YELLOW |
NOTES
1.REPLACEMENT WIRE MUST BE THE SAME SIZE AND TYPE OF INSULATION AS ORIGINAL.(USE COPPER CONDUCTOR ONLY).
2.FOR 208 VOLT TRANSFORMER OPERATION MOVE BLACK WIRE FROM TERMINAL 3 TO TERMINAL 2 ON TRANSFORMER.
3.USE COPPER CONDUCTORS ONLY.
4.FOR 208V OPERATION, REMOVE BLUE LEAD FROM INDUCER LOW TERMINAL. MOVE BLACK LEAD FROM PARK TERMINAL ONTO INDUCER LOW TERMINAL. PLACE BLUE LEAD ON PARK TERMINAL.
5.USE NEC CLASS 2 WIRE FOR THERMOSTAT FIELD WIRING.
6.COMPRESSOR 2ND STAGE SOLENOID NOT PRESENT ON ALL MODELS.
7.OPTIONAL REFRIGERANT SWITCHES
8.FOR ECONOMIZER, REMOVE PLUG FROM ECONOMIZER HARNESS. CONNECT PLUG FROM ECONOMIZER TO HARNESS.
DIAGNOSTIC | STATUS | CHECK | |
LED - RED | |||
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ON | NORMAL OPERATION | - | |
OFF | NO POWER OR | CHECK INPUT POWER | |
| INTERNAL CONTROL | CHECK FUSE(S) | |
| FAULT |
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| GAS FLOW | |
1 FLASH | IGNITION FAILURE | GAS PRESSURE | |
GAS VALVE | |||
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| FLAME SENSOR | |
2 FLASHES | PRESSURE SWITCH OPEN | CHECK PRESSURE SWITCH | |
CHECK TUBING | |||
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| CHECK VENT MOTOR | |
3 FLASHES | PRESSURE SWITCH CLOSED | CHECK PRESSURE SWITCH | |
WITHOUT INDUCER ON | CHECK WIRING FOR SHORTS | ||
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4 FLASHES | OPEN LIMIT SWITCH | CHECK MAIN LIMIT SWITCH | |
CHECK AUXILIARY LIMIT SW. | |||
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| CHECK ROLLOUT LIMIT SW. | |
5 FLASHES | FALSE FLAME DETECTED | CHECK GAS VALVE | |
CHECK FOR SHORTS IN | |||
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| FLAME SENSOR WIRING | |
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6 FLASHES | COMPR. SHORT CYCLE DELAY | 3 MIN COMP. SHORT | |
CYCLE DELAY | |||
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DIAGNOSTIC | STATUS | CHECK | |
LED - RED | |||
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7 FLASHES | LIMIT OPEN 5 TIMES IN | CHECK MAIN LIMIT SWITCH | |
SAME CALL FOR HEAT | CHECK AUXILIARY LIMIT SW. | ||
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| CHECK JUMPER BETWEEN | |
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| 1 AND 4 ON | |
8 FLASHES | IDT/ODT OPEN | CONNECTOR | |
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| CHECK OPTIONAL | |
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| REFRIGERANT SWITCHES | |
9 FLASHES | PSW/LOC OPEN | CHECK REFRIGERANT | |
SWITCHES FOR LOSS OF | |||
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| CHARGE OR HIGH HEAD | |
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| PRESSURE | |
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DIAGNOSTIC | STATUS | CHECK | |
LED - AMBER | |||
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OFF | NO FLAME PRESENT | - | |
ON | NORMAL FLAME PRESENT | - | |
1 FLASH |
| GAS FLOW | |
LOW FLAME SIGNAL | GAS PRESSURE | ||
| GAS VALVE | ||
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| FLAME SENSOR | |
2 FLASHES | FALSE FLAME DETECTED | CHECK GAS VALVE | |
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| CHECK FOR SHORTS IN | |
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| FLAME SENSOR WIRING |
0140G00533 REV A
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most
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