13
GRAM
Split System Heat Pump | Three Phase |
NOTES: |
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1. Disconnect all power before servicing. | 1. Couper le courant avant de faire letretien. |
2. For supply connections use copper conductors only. | 2. Employez uniquement des conducteurs en cuivre |
3. Not suitable on systems that exceed 150 volts to ground. | 3. Ne convient pas aux installations de plus de 150 volt a la terre. |
4.For replacement wires use conductors suitable for 105°C
5.For supply wire ampacities and overcurrent protection, see unit data label.
6.Connect to 24 vac/40va/class 2 circuit. See furnace/air handler installation instructions for control circuit and optional Relay/Transformer Kits.
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| CCH |
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CC | OUTDOOR | CC |
| CC |
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| FAN MOTOR |
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T3 | S |
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| RELAY |
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CAPACITOR |
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| RELAY |
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| 2 |
| 4 | BLACK |
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T3 |
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R |
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| BROWN |
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| L3 |
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| BLACK |
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| BLACK HARNESS |
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| L1 |
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| T3 | RED HARNESS |
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| COMPRESSOR |
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| BLUE |
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| CCH |
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| T2 | YELLOW HARNESS |
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| ORANGE |
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| T1 | GRAY | T1 | T2 | T3 |
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| COMPRESSOR | CAPACITOR |
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| CONTACTOR |
| REV |
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| DF2 2 DF1 |
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| VALVE | DFT | |||
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| DFT |
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E |
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| RVS |
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| OUTDOOR |
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| ORANGE |
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R |
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| 4 R |
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| GREEN |
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| FAN |
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W2 |
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| MOTOR |
| R |
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| DF1 |
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O |
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| O | LOGIC |
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| Y |
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Y |
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| Y |
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| T1 | T2 C |
| O W2 R DFT E | ||
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C |
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| GRD L1 | L2 | L3 |
| DEFROST |
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| CONTROL |
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| CC |
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LOW VOLTAGE |
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| BOARD |
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| THREE PHASE |
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TERMINAL |
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| C | Y | O W2 | R E | |||||
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| FIELD SUPPLY |
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| LPS | HPS | DEFROST CONTROL |
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| BOARD |
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DEFROST BOARD OPERATION | 4)With DFT closed and “Y” closed, compressor run time is |
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1)Closes during defrost. |
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Rating: 1 Amp. Max. | accumulated. Opening of DFT during defrost or interval | LOW PRESSURE | HIGH PRESSURE | |||||||||||||
2)Opens during defrost. | period resets the interval to 0. | |||||||||||||||
| SWITCH | SWITCH | ||||||||||||||
Rating: 2 HP. at 230 Vac Max. 5)Ground on location provided inside compressor |
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3)Closed when “Y” is on. Open | terminal box. |
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when “Y” is off. Provides “off” |
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delay time of 5 mins. when |
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“Y” opens. |
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LEGEND: |
| CC - Contactor Coil |
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FIELD WIRING |
| CCH - Crankcase Heat |
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| DFT - Defrost Thermostat |
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LOW VOLTAGE |
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| RVS - Reversing Valve Selenoid |
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HIGH VOLTAGE |
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| LPS - Low Pressure Switch |
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| HPS - High Pressure Switch |
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