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| *PG13(24,30,36,42)1** WIRING DIAGRAM |
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| HIGH VOLTAGE! |
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| DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS | |||||||
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| UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO | |||||||
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| DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. | |||||||
L1 |
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| SUPPLY VOLTAGE |
| L2 |
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| COMPONENT LEGEND |
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| CH | NOTE 3 |
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| ALS AUXILIARY LIMIT SWITCH | WIRE SPLICE | ||
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| CAP CAPACITOR | MARKED TERMINAL | ||||
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| T2 |
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| COMP COMPRESSOR | UNMARKED TERMINAL | ||
CC | T1 | R |
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| CM | CONDENSER MOTOR |
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| WIRING | |||||||
L1 | C | COMP |
| C | CC |
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| CC | CONTACTOR | LINE VOLTAGE | ||||||
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| S | H CAP1 |
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| CAP 2 |
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| CH | CRANKCASE HEATER | |||||
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| F |
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| LOW VOLTAGE | ||||
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| CM |
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| EM | EVAPORATOR MOTOR | |||
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| FIELD INSTALLED POWER | ||||
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| FS | FLAME SENSOR | ||
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| FIELD INSTALLED CONTROL | |||
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| GV | GAS VALVE | ||
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| (HIGH) | NOTE 4 |
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| L1 | C |
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| IIC | INTEGRATED IGNITION CONTROL | WIRE CODE | |||
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| (LOW) |
| EM | L2 |
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| L1 | H |
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| IGN | IGNITOR | B | BLACK | |||
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| L1 | D1 |
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| VM |
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| LS | LIMIT SWITCH | BL | BLUE |
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| PL | PLUG | BR | BROWN | ||||
L1 |
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| PS | PRESSURE SWITCH | G | GREEN |
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| RS | ROLLOUT SWITCH | O | ORANGE | ||
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| NOTE 2 |
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| THC THERMOSTAT HEAT & COOL | PK | PINK | |
1 |
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| 2 | TRANS TRANSFORMER | PU | PURPLE | |
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| R | RED | ||
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| IGN |
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| VM | VENT MOTOR | |||
FUSE |
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| HPS HIGH PRESSURE SWITCH | W | WHITE | |||
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| Y | YELLOW | |||
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| FS |
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| FS |
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| BL/PK BLUE/PINK | ||||
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| NOTES | |||
4 |
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| 1. REPLACEMENT WIRE MUST BE THE SAME SIZE AND TYPE OF | ||||
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5 |
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| INSULATION AS ORIGINAL.(USE COPPER CONDUCTOR ONLY). | |||
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| ALS |
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| 2. FOR 208 VOLT TRANSFORMER OPERATION MOVE BLACK WIRE | |||
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| RS |
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| FROM TERMINAL 3 TO TERMINAL 2 ON TRANSFORMER. | ||||
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| GV |
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| 3. CRANKCASE HEATER (OPTIONAL). |
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IIC |
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| PS |
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| 4. FOR DIFFERENT THAN FACTORY SPEED TAP. CHANGE COOLING | |||
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| 8 |
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| SPEED AT COOL TERMINAL (IIC). CHANGE HEATING SPEED AT HEAT | |||
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| ECON |
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| TERMINAL (IIC) |
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9 | 7 | 10 | 12 |
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| 4 SPEED MOTOR | 3 SPEED MOTOR | ||
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| 11 |
| HPS | CC |
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| B - HIGH SPEED | B - HIGH SPEED | ||
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| BL - MEDIUM HIGH SPEED | BL - MEDIUM SPEED | |||||
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| NOTE 5 |
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| Y - MEDIUM LOW SPEED | R - LOW SPEED | |||
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| 5 | 4 | R - LOW SPEED |
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| 6 |
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| 5. ACCESSORY ECONOMIZER PLUG ADJACENT TO BLOWER HOUSING | |||
R | G | W | Y1 | Y/Y2 | C |
| 3 | 2 | 1 | IN RETURN AIR COMPARMENT. |
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TO THC |
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| 6. USE COPPER WIRE |
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| INSTALLER/SERVICEMAN |
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THE STATUS LIGHT ON THE FURNACE CONTROL MAY BE USED AS A GUIDE TO |
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TROUBLESHOOTING THIS APPLIANCE. STATUS LIGHT CODES ARE AS FOLLOWS: |
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STATUS LIGHT | EQUIP. STATUS |
| CHECK |
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ON | NORMAL OPERATION |
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| 2 STAGE COOLING WITH ECONOMIZER | ||||||||||||||||||||||||||||||||
OFF | NO POWER OR |
| CHECK INPUT POWER |
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| INTERNAL CONTROL |
| CHECK FUSE ON CONTROL |
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| W |
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| W |
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| W |
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| W |
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| FAULT |
| REPLACE CONTROL |
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1 BLINK | IGNITION FAILURE |
| GAS FLOW |
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| G |
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| G |
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| OR |
| GAS PRESSURE |
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| OPEN ROLLOUT |
| GAS VALVE |
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| R |
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| R |
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| SWITCH |
| FLAME SENSOR |
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| OR |
| FLAME ROLLOUT |
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| Y |
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| PU |
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| Y1 |
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| OPEN AUX. LIMIT |
| BAD SWITCH |
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| SWITCH |
| AUX. LIMIT OPEN |
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| Y |
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| Y2 |
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2 BLINKS | PRESSURE SWITCH |
| CHECK |
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| BL |
| C |
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| BL |
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| C |
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| OPEN |
| PRESSURE SWITCH |
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3 BLINKS | PRESSURE SWITCH CLOSED |
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| WITHOUT INDUCER ON |
| PRESSURE SWITCH |
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4 BLINKS | OPEN LIMIT SWITCH |
| MAIN LIMIT OPEN |
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| BAD SWITCH |
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5 BLINKS | FALSE FLAME SENSED |
| STICKING GAS VALVE |
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6 BLINKS | COMPRESSOR |
| 3 MIN. COMP. |
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| 0140G01233 REV. A | |||||||||||||||||||||
| OUTPUT DELAY |
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Wiring is subject to change. Always refer to the wiring diagram on the unit for the most
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