
Product Specifications
Wiring Diagram — GPH1549-60M41A*
BK
PU
YL
BL
GR
WH
| YL |
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| LPS |
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| YL/PK | ||
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YL |
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| YL |
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| BL |
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| PU |
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| BL |
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| WH |
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| YL GR | |
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| YL | |
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Y | Y | C | C | C |
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| WH OR | |
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| DC |
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| CNT | PU | |
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PS2 |
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| O |
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| BK | ||
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CCR |
| LVDR |
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| W |
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| R | BK |
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| HVDR |
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| R | RD | |
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DF2 |
| DF1 |
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| DFT | RD |
PU |
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| RD |
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| RD |
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| PU |
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| YL |
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| 3 | CSR 4 |
| YL |
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| 1 | 2 | YL |
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| SEE NOTE 7 |
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PU |
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| BL |
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| SEE NOTE 6 |
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| PU |
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1 | 2 | 3 |
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| BL | BL |
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C | 208 | 240 |
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| YL |
| 2 | |
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| TR |
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| BL |
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| RD |
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| 0 | ||
| 24V |
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| T2 | L2 |
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| BL |
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| 8 | ||||
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| RD |
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BL |
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| C | SEE NOTE 8 | ||||
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| BL |
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BL |
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| BK | T1 | L1 |
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| 4 | |||
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| BK |
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| BK |
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| 0 | ||
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| YL |
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| YL |
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| PU |
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RD |
| RD |
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| YL |
| 1 | |||
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| GND | / | |||||
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| OR | GR |
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| BL |
| BL | OR | RD |
| YL |
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| PU |
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| BL |
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| BL GR |
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| LVJB |
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YL RD BR | BL |
| PU |
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| WH | WH |
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| YL | Y2 | T | |
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| PU | Y1 | H | ||
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| E | ||
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| PLF |
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| RD | R | |
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| R | |||
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| GR | G | |
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| 3 | 6 | 9 |
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| M | ||
H C | F |
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| WH | W1 | ||||
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| O | |||||||
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| 2 | 5 | 8 |
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| OR | O | S |
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| BR | W2 | ||||
RCCF |
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| T | |||||
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| BR |
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| PU |
| BL | C | ||
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| A | |||||
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RD |
| 1 | 4 | 7 |
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| BL | ++ | T |
RD |
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| BR |
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| BL |
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YL | BL |
| RD |
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| BK |
| BK |
| BL/PK |
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| SA |
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| BK |
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| BL/PK |
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| SEE NOTE 4 |
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| YL |
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| YL |
| RD |
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GR
RD RD
PU BR BK
CH | S C R |
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HPS
CL
G
N
12
3
4
5
EM
SEE NOTE 2
RVC
BK GR
CM
BKBK DFT
SEE NOTE 5
BL | COMP | CHS |
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| RD | |
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SOL
BK
BK
YL
SEE NOTE 5
L1 |
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| L2 |
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| SUPPLY VOLTAGE |
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C |
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| R |
| T2 | C |
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| T1 |
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| C | COMP |
| C | DF1 | DF2 |
2 POLE ONLY | S | H | RCCF |
| HVDR | ||
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| F |
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SEE NOTE 6 | S.A. |
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| CM | ||
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SEE NOTE 4 |
| SEE NOTE 5 |
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| SEE NOTE 2 | CH |
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| CHS | |
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N |
| EM |
| L |
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| 3 |
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| 1 | G | 2 |
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| SEE NOTE 3 1 |
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| 2 | 3 |
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| TR | |
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| 24V |
| DFT |
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COMPONENT LEGEND
C | CONTACTOR |
CCR | COMPRESSOR CONTACTOR RELAY |
CH | CRANKCASE HEATER |
CHS | CRANKCASE HEATER SWITCH |
CM | CONDENSER MOTOR |
COMP | COMPRESSOR |
CSR | COMPRESSOR SOLENOID RELAY |
DC | DEFROST CONTROL |
DFT | DEFROST THERMOSTAT |
EM | EVAPORATOR MOTOR |
GND | EQUIPMENT GROUND |
HPS | HIGH PRESSURE SWITCH |
HVDR | HIGH VOLTAGE DEFROST RELAY |
LPS | LOW PRESSURE SWITCH |
LVDR | LOW VOLTAGE DEFROST RELAY |
LVJB | LOW VOLTAGE JUNCTION BOX |
PLF | FEMALE PLUG / CONNECTOR |
RVC | REVERSING VAVLE COIL |
RCCF | RUN CAPACITOR FOR |
SA | COMPRESSOR AND FAN |
START ASSIST | |
SOL | HI STAGE SOLENOID |
TR | TRANSFORMER |
NOTES: |
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FACTORY WIRING
LINE VOLTAGE
LOW VOLTAGE
OPTI0NAL HIGH
VOLTAGE
FIELD WIRING
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| HIGH VOLTAGE |
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| LOW VOLTAGE |
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| WIRE CODE |
BK | BLACK | |
BL | BLUE | |
BR | BROWN | |
GR | GREEN | |
OR | ORANGE | |
PU | PURPLE | |
RD | RED | |
WH | WHITE | |
YL | YELLOW |
| RVC |
| DFT |
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R | R |
| C | |||||
| DC |
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| O | W | PS2 |
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| Y |
| CNT | |||||
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| LPS |
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| 2 | 3 | SEE NOTE 2 | ||
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| 1 EM C |
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| 4 |
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| CSR |
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| 5 |
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| 6 |
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| SOL |
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| PLF |
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| C |
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| HPS |
| R W2 O W1 Y1 | Y2 | G | C |
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| THERMOSTAT |
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1.REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE INSULATION AS ORIGINAL (AT LEAST 105°C) USE COPPER CONDUCTOR ONLY.
2.TO CHANGE EVAPORATOR MOTOR SPEED MOVE WHITE AND YELLOW LEADS FROM EM"2" AND "3" TO "4" AND "5". IF BOTH LEADS ARE ENERGIZED, THE HIGHER SPEED SETTING IS USED.
3.FOR 208 VOLT TRANSFORMER OPERATION MOVE PURPLE WIRES FROM TERMINAL 3 TO TERMINAL 2 ON TRANSFORMER.
4.START ASSIST FACTORY EQUIPPED WHEN REQUIRED
5.CRANKCASE HEATER AND CRANKCASE HEATER SWITCH FACTORY EQUIPPED WHEN REQUIRED.
6.DOUBLE POLE CONTACTOR SHOWN. SINGLE POLE CONTACTOR COULD BE FACTORY EQUIPPED AS AN ALTERNATE CONFIGURATION.
7.COMMON SIDE OF CONTACTOR CAN NOT BE GROUNDED OR CONNECTED TO ANY OTHER COMMON (24V).
8.USE COPPER CONDUCTORS ONLY
++ USE N.E.C. CLASS 2 WIRE
SEE UNIT RATING PLATE FOR TYPE AND SIZE
OF OVER CURRENT PROTECTION
Wiring is subject to change. Always refer to the wiring diagram or the unit for the most
⚠Warning
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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