WIRING DIAGRAMS |
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HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS WARNING UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
LPS |
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| SEE NOTE #8 |
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| SEE NOTE #7 |
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YL/PK |
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| PU |
| SEE NOTE 4 |
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| PU |
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YL/PK |
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| BK |
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| RD |
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| 1 | 2 | 3 | PU |
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| BL |
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| PU |
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| GR |
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| RD |
| C | 208 240 |
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| BK |
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| 2 |
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| BL |
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YL |
| EBTDR |
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| 24V |
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| RD | T2 | L2 |
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| 0 |
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BL | R |
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| K1 | NO | BK |
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| RD |
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| SEE NOTE |
| 8 |
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| 1 | 3 |
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| C |
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| BL |
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YL |
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| #6 |
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| K1 | COM | BL |
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| RD | 2 |
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| BK | T1 | L1 |
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| RD |
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| PU |
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| NC |
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| BR |
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| PU |
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| BL | SPEED |
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| RD |
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| UP |
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| BK | BK |
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| 1 |
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| PU |
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| GND |
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BK |
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| OR |
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| 6 |
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Y | Y | C | C | C |
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| OR |
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| BK |
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| 0 |
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| RD |
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| PU |
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| PU |
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| BL/PK |
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| DC |
| CNT | PU |
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| YL |
| BL/PK |
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| RD |
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| PS2 |
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| O |
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| BK |
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| YL |
| BR |
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| BK |
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| LVJB |
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| CCR | LVDR |
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| PU |
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| HPS |
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| W | WH |
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PU RD |
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| WH |
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| YL |
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| Y | H | |||||||
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| R | RD |
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| E | |||
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| RD |
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| R |
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| 3 PLF6 |
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| GR |
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| G | R | |
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| HVDR |
| YL | H | C |
| F | 9 |
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| WH |
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| W1 | M | ||||||
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| OR |
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| O | O | |||||
| DF2 |
| DF1 |
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| 2 | 5 | 8 | BR |
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| S | |||||
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| BR |
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| W2 | ||||||||||
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| RD |
| RCCF |
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| DFT | SA |
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| BL |
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| 1 | 4 | 7 |
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| A | |||||
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| RD |
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| ++ | T | ||||
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| PU |
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| BL | BR |
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| SEE NOTE #5 |
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| BK |
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| CONTROL | |||||
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| PU |
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| PU |
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| BOX |
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| RD |
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| (TRANS240V) |
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| RD |
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| SEE NOTE #3 | CH |
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| BK |
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| RD |
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| BK |
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| RD |
| PU | (M1) RD | LOW |
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| BK |
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| BL |
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| PU | BK | YL |
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| GR |
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| BK |
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| (COM)BK | HIGH |
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| BR | S | C R |
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PU | EM |
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| RD |
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| DFT |
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| BR | EM |
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| RD |
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| BR | 3 SPEED |
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| BK |
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| BR | 2 SPEED |
| CM |
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| OPTIONAL |
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FC |
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| FC |
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| CHS |
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| RVC |
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| BK |
| BK |
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| SEE NOTE #3 |
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L1 |
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| SUPPLY VOLTAGE |
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| L2 |
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| SEE NOTE 3 |
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CHS |
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| CH |
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| COMPONENT LEGEND |
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| FACTORY WIRING | ||||||
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| BR | BLOWER INTERLOCK RELAY |
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| LINE VOLTAGE |
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| R |
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| C | CONTACTOR |
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| LOW VOLTAGE |
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C | T1 |
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| CCR | COMPRESSOR CONTACTOR RELAY |
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| OPTIONAL HIGH | ||||||
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| VOLTAGE |
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| C COMP |
| C |
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| CH | CRANKCASE HEATER |
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2 POLE ONLY |
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| S | H | RCCF | HVDR |
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| CHS | CRANKCASE HEATER SWITCH |
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| FIELD WIRING |
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| CM | CONDENSER MOTOR |
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SEE NOTE 7 |
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| COMP | COMPRESSOR |
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| HIGH VOLTAGE |
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| CM |
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| DC | DEFROST CONTROL |
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| LOW VOLTAGE |
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| DFT | DEFROST THERMOSTAT |
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SEE NOTE 5 |
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| P 3 |
| BR |
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| EBTDR | ELECTRONIC BLOWER TIME DELAY RELAY |
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| EM | EVAPORATOR MOTOR |
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| FC | FAN CAPACITOR |
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| F 1 |
| 1 | 3 |
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| GND | EQUIPMENT GROUND |
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| HPS | HIGH PRESSURE SWITCH |
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| WIRE CODE |
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| 2 | 4 |
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| HVDR | HIGH VOLTAGE DEFROST RELAY |
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| LPS | LOW PRESSURE SWITCH |
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| BK | BLACK |
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EBTDRM1 | SEE |
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| LVDR | LOW VOLTAGE DEFROST RELAY |
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| BL | BLUE |
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| EBTDR |
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M2 | NOTE 2 |
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| LVJB | LOW VOLTAGE JUNCTION BOX |
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| BR | BROWN |
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| COM |
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| PLF | FEMALE PLUG / CONNECTOR |
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| GR | GREEN |
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| EM |
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| RVC | REVERSING VALVE COIL |
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| OR | ORANGE |
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| FC |
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| RCCF | RUN CAPACITOR FOR |
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| PU | PURPLE |
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| COMPRESSOR AND FAN |
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| RD | RED |
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| SA |
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| START ASSIST |
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| WH | WHITE |
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| SEE NOTE 4 |
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| TR | TRANSFORMER |
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| YL | YELLOW |
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| 1 | 3 |
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| TR |
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| EBTDR |
| 24V |
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| NOTES: |
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| R | G | C |
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| 1. REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE INSULATION AS |
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| ORIGINAL (AT LEAST 105°C) USE COPPER CONDUCTOR ONLY. |
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| DFT |
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| 2. TO CHANGE EVAPORATOR MOTOR SPEED REPLACE LEAD ON EBTDR |
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| "COM" WITH LEAD ON EBTDR "M1" OR "M2". |
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| 3. CRANKCASE HEATER AND CRANKCASE HEATER SWITCH FACTORY |
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| RVC |
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| DFT |
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| EQUIPPED WHEN REQUIRED. |
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R |
| R |
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| 4. FOR 208 VOLT TRANSFORMER OPERATION MOVE PURPLE WIRES |
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| DC |
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| FROM TERMINAL 3 TERMINAL 2 ON TRANSFORMER. |
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| O |
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| W | Y |
| PS2 | CNT |
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| 5. START ASSIST FACTORY EQUIPPED WHEN REQUIRED. |
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| 6. USE COPPER CONDUCTORS ONLY ++ USE N.E.C. CLASS 2 WIRE. |
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| LPS |
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| 7. DOUBLE POLE CONTACTOR SHOWN. SINGLE POLE CONTACTOR |
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| COULD BE FACTORY EQUIPPED AS AN ALTERNATE CONFIGURATION. |
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| 8. COMMON SIDE OF CONTACTOR CAN NOT BE GROUNDED OR |
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P | 4 |
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| CONNECTED TO ANY OTHER COMMON (24V). |
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| HPS |
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| C |
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L | 5 |
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| SEE UNIT RATING PLATE FOR TYPE AND SIZE |
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F | 6 |
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| OF OVER CURRENT PROTECTION |
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| R | W2 | O | W1 | Y G | C |
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| THERMOSTAT |
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Wiring is subject to change, always refer to the wiring diagram on the unit for the most
27