Service Manual
Page 14
...Resistance (Ambient Temp. 68 °F (20 °C)) W Ohm Safety Device Type Over-Current Protection Over-Heat Protection Run Capacitor Heat Exchanger Coil Coil Rows Fins per inch Face Area External Finish Micro F VAC ft2 (m2) 14 CB-CM3172 Microprocessor 250V 25A DC Twin Rotary (Hermetic) 5JD420XAB22 / 3,000W FV50S ... 2.55 (1,200) U - ... (Ambient Temp. 68 °F (20 °C)) Ohm Safety Device CT (Peak current cut -off control) Compressor Discharge Temp. V : 0.435 V - Outdoor Unit CM3172 Control PCB Part No. Control Operation cut -off control in abnormal ambient Temp.
...Resistance (Ambient Temp. 68 °F (20 °C)) W Ohm Safety Device Type Over-Current Protection Over-Heat Protection Run Capacitor Heat Exchanger Coil Coil Rows Fins per inch Face Area External Finish Micro F VAC ft2 (m2) 14 CB-CM3172 Microprocessor 250V 25A DC Twin Rotary (Hermetic) 5JD420XAB22 / 3,000W FV50S ... 2.55 (1,200) U - ... (Ambient Temp. 68 °F (20 °C)) Ohm Safety Device CT (Peak current cut -off control) Compressor Discharge Temp. V : 0.435 V - Outdoor Unit CM3172 Control PCB Part No. Control Operation cut -off control in abnormal ambient Temp.
Service Manual
Page 41
... UNIT UNIT UNIT TO INDDOR UNIT To avoid electrical shock hazard, be sure to WARNING disconnect power before checking, servicing and/or cleaning any electrical parts. Outdoor Unit CM3172
... UNIT UNIT UNIT TO INDDOR UNIT To avoid electrical shock hazard, be sure to WARNING disconnect power before checking, servicing and/or cleaning any electrical parts. Outdoor Unit CM3172
Service Manual
Page 52
... No temperature change Temperature changes Replace the electric expansion valve. Operation is closed. Model No. This part is 46 + / - 4ohm at 68 °F NOTE Cool the main unit with a damp...move in the following seguence in the correct positions. Sequence CM1972 MV0 MV1 MV2 CM2472 CM3172 MV0 MV1 MV2 MV3 Check the illumination of the electric expansion valve. Replace the controller...to check it is normal. Controller check No voltage on circuit board Voltage varies Use a multi-meter to fully open the valve. Then start the unit and measure the temperature at least...
... No temperature change Temperature changes Replace the electric expansion valve. Operation is closed. Model No. This part is 46 + / - 4ohm at 68 °F NOTE Cool the main unit with a damp...move in the following seguence in the correct positions. Sequence CM1972 MV0 MV1 MV2 CM2472 CM3172 MV0 MV1 MV2 MV3 Check the illumination of the electric expansion valve. Replace the controller...to check it is normal. Controller check No voltage on circuit board Voltage varies Use a multi-meter to fully open the valve. Then start the unit and measure the temperature at least...
Service Manual
Page 83
...85 (Max.) 100 (Max.) 20 A # ... 5. NOTE Refer to your local electrical codes. Table 6 Model AWG CM1972 / CLM1972 CM2472 / CLM2472 CM3172 / CLM3172 Max. Recommended Wire Length and Diameter Regulations on Wiring (1) Before wiring, confirm the rated voltage of the unit as a result of such unauthorized ...changes. 5-2. Table 6 shows maximum wire lengths for any moving parts of local codes see the National Electric Code: ANSI/NFPA70. AWG (American Wire Gauge) 21 The manufacturer will accept no responsibility...
...85 (Max.) 100 (Max.) 20 A # ... 5. NOTE Refer to your local electrical codes. Table 6 Model AWG CM1972 / CLM1972 CM2472 / CLM2472 CM3172 / CLM3172 Max. Recommended Wire Length and Diameter Regulations on Wiring (1) Before wiring, confirm the rated voltage of the unit as a result of such unauthorized ...changes. 5-2. Table 6 shows maximum wire lengths for any moving parts of local codes see the National Electric Code: ANSI/NFPA70. AWG (American Wire Gauge) 21 The manufacturer will accept no responsibility...
Service Manual
Page 84
...from the indoor unit to the outdoor unit (size of electric shock, each air conditioner unit must be allowed to touch refrigerant tubing, the compressor, or any..., or power lines of television, radio, stereo, telephone, security system, or intercom any moving part. Otherwise, electrical shock may affect the operation. 5-3. G Be sure to connect the power supply... national and local code requirements. 3 indoor units with CM1972/CLM1972 4 indoor units with CM2472/CLM2472, CM3172/CLM3172 L1 Power supply L2 Single-phase 230/208VAC 60HZ Grounding line * Disconnect switch Field supply INDOOR...
...from the indoor unit to the outdoor unit (size of electric shock, each air conditioner unit must be allowed to touch refrigerant tubing, the compressor, or any..., or power lines of television, radio, stereo, telephone, security system, or intercom any moving part. Otherwise, electrical shock may affect the operation. 5-3. G Be sure to connect the power supply... national and local code requirements. 3 indoor units with CM1972/CLM1972 4 indoor units with CM2472/CLM2472, CM3172/CLM3172 L1 Power supply L2 Single-phase 230/208VAC 60HZ Grounding line * Disconnect switch Field supply INDOOR...