Service Manual
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TECHNICAL & SERVICE MANUAL OUTDOOR UNIT : CM1972 CM2472 CM3172 FILE NO. CM3172 IMPORTANT These air conditioners employ new refrigerant R410A. REFERENCE NO. Destination: North America DC INVERTER MULTI-SYSTEM AIR CONDITIONER Capacity at 230V 19,700 BTU/h 25,400 BTU/h 30,600 BTU/h Outdoor Model No. Pay special attention when servicing the unit. CM1972 CM2472 CM3172 Product Code No. 1 852 330 27 1 852 330 28...
TECHNICAL & SERVICE MANUAL OUTDOOR UNIT : CM1972 CM2472 CM3172 FILE NO. CM3172 IMPORTANT These air conditioners employ new refrigerant R410A. REFERENCE NO. Destination: North America DC INVERTER MULTI-SYSTEM AIR CONDITIONER Capacity at 230V 19,700 BTU/h 25,400 BTU/h 30,600 BTU/h Outdoor Model No. Pay special attention when servicing the unit. CM1972 CM2472 CM3172 Product Code No. 1 852 330 27 1 852 330 28...
Service Manual
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APPLICABLE INDOOR UNITS Indoor Unit Multi-Outdoor Unit KMS0772 3-Room CM1972 YES 4-Room CM2472 YES 4-Room CM3172 YES KMS0972 YES YES YES KMS1272 YES YES YES KMS1872 YES YES YES KMS2472 NO YES YES NOTE The table lists the wall-mounted type of indoor units as representative models. 4
APPLICABLE INDOOR UNITS Indoor Unit Multi-Outdoor Unit KMS0772 3-Room CM1972 YES 4-Room CM2472 YES 4-Room CM3172 YES KMS0972 YES YES YES KMS1272 YES YES YES KMS1872 YES YES YES KMS2472 NO YES YES NOTE The table lists the wall-mounted type of indoor units as representative models. 4
Service Manual
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...... V : 0.720 V - Propeller 1 ... Internal Controller Yes Yes - Major Component Specifications 2-2-1. Dia. Outdoor Unit Outdoor Unit CM1972 Control PCB Part No. inch (mm) Fan Motor Type Model ... W : 0.708 W - Aluminum Plate Fin / Copper Tube 2 18.1 6.40 (0.595) Acrylic baked-on enamel finish DATA... SUBJECT TO CHANGE WITHOUT NOTICE. 2-2. Control Operation cut -off control in abnormal ambient Temp. Overload Relay Model Operation Temp. U : 0.726 Yes Yes Yes CS-7LN115 Open : 239 °F (115 °C), Close : 212 °F (100 ...
...... V : 0.720 V - Propeller 1 ... Internal Controller Yes Yes - Major Component Specifications 2-2-1. Dia. Outdoor Unit Outdoor Unit CM1972 Control PCB Part No. inch (mm) Fan Motor Type Model ... W : 0.708 W - Aluminum Plate Fin / Copper Tube 2 18.1 6.40 (0.595) Acrylic baked-on enamel finish DATA... SUBJECT TO CHANGE WITHOUT NOTICE. 2-2. Control Operation cut -off control in abnormal ambient Temp. Overload Relay Model Operation Temp. U : 0.726 Yes Yes Yes CS-7LN115 Open : 239 °F (115 °C), Close : 212 °F (100 ...
Service Manual
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...250V 25A DC Twin Rotary (Hermetic) 5KD240XAB21 / 1,700W FV50S ... 1.91 (900) U - V : 0.720 V - Controls Control Circuit Fuse Compressor Type Compressor Model / Nominal Output Compressor Oil ... U : 0.726 Yes Yes Yes CS-7LN115 Open : 239 °F (115 °C), Close : 212 °F (100 °C) - Overload Relay... Model Operation Temp. Q'ty No. D18-1/8 (D460) DC Motor SIC-71FW-D490-1 ... 1 8 750 90 - Control Operation cut -off control in abnormal ambient ...
...250V 25A DC Twin Rotary (Hermetic) 5KD240XAB21 / 1,700W FV50S ... 1.91 (900) U - V : 0.720 V - Controls Control Circuit Fuse Compressor Type Compressor Model / Nominal Output Compressor Oil ... U : 0.726 Yes Yes Yes CS-7LN115 Open : 239 °F (115 °C), Close : 212 °F (100 °C) - Overload Relay... Model Operation Temp. Q'ty No. D18-1/8 (D460) DC Motor SIC-71FW-D490-1 ... 1 8 750 90 - Control Operation cut -off control in abnormal ambient ...
Service Manual
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... (1,200) U - Propeller 1 ... Dia. Q'ty No. V : 0.435 V - Internal Controller Yes Yes - Controls Control Circuit Fuse Compressor Type Compressor Model / Nominal Output Compressor Oil ... Run Capacitor Micro F VAC Crankcase Heater Fan Type Q'ty ... Amount Pints (cc) Coil Resistance (Ambient Temp. 68 °... Safety Device CT (Peak current cut -off control) Compressor Discharge Temp. Outdoor Unit CM3172 Control PCB Part No. inch (mm) Fan Motor Type Model ... U : 0.452 Yes Yes Yes CS-7LN115 Open : 239 °F (115 °C), Close : 212 °F (100 °C)...
... (1,200) U - Propeller 1 ... Dia. Q'ty No. V : 0.435 V - Internal Controller Yes Yes - Controls Control Circuit Fuse Compressor Type Compressor Model / Nominal Output Compressor Oil ... Run Capacitor Micro F VAC Crankcase Heater Fan Type Q'ty ... Amount Pints (cc) Coil Resistance (Ambient Temp. 68 °... Safety Device CT (Peak current cut -off control) Compressor Discharge Temp. Outdoor Unit CM3172 Control PCB Part No. inch (mm) Fan Motor Type Model ... U : 0.452 Yes Yes Yes CS-7LN115 Open : 239 °F (115 °C), Close : 212 °F (100 °C)...
Service Manual
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...) (15) (20) Temperature F ( C) Sensor Name Compressor temp sensor Model No. Other Component Specifications Sensor Name Outdoor air temp sensor Outdoor heat exchanger sensor AW / AN sensor BW / BN sensor CW / CN sensor DW / DN sensor Model No. of sensor TKS295B TKS292B TKS292B TKS292B TKS292B TKS292B CM1972 1 1 1 / 1 1 / 1 1 / 1 0 Quantity of Sensor CM2472 1 Resistance (k ohm) 200 180...
...) (15) (20) Temperature F ( C) Sensor Name Compressor temp sensor Model No. Other Component Specifications Sensor Name Outdoor air temp sensor Outdoor heat exchanger sensor AW / AN sensor BW / BN sensor CW / CN sensor DW / DN sensor Model No. of sensor TKS295B TKS292B TKS292B TKS292B TKS292B TKS292B CM1972 1 1 1 / 1 1 / 1 1 / 1 0 Quantity of Sensor CM2472 1 Resistance (k ohm) 200 180...
Service Manual
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Positioning of CM3172 and the values are different from the other models. If automatic operation mode has been selected with the remote controller, operation begins in parentheses are an example of the outdoor unit electric expansion valve ...
Positioning of CM3172 and the values are different from the other models. If automatic operation mode has been selected with the remote controller, operation begins in parentheses are an example of the outdoor unit electric expansion valve ...
Service Manual
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... voltage fluctuations occur. 7-2. Indicates trouble.) (1) Automatic frequency control The operating frequency is reduced automatically, or operation is stopped, in parentheses are different from the other models. 7-2-1. Current Description of function Example of CM3172 and the values are an example of operation for cooling (20A) (17A) (16.6A) Target frequency Power Point...
... voltage fluctuations occur. 7-2. Indicates trouble.) (1) Automatic frequency control The operating frequency is reduced automatically, or operation is stopped, in parentheses are different from the other models. 7-2-1. Current Description of function Example of CM3172 and the values are an example of operation for cooling (20A) (17A) (16.6A) Target frequency Power Point...
Service Manual
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...in the following seguence in the correct positions. When the power is OK if it . Model No. When applying vacuum, use the special service magnet and rotate at 68 °F NOTE... damp cloth or other wires. Controller check No voltage on circuit board Voltage varies Use a multi-meter to identify them. Check elsewhere. Labels are applied to the valve body and coil, ...and close the valve. No temperature change Temperature changes Replace the electric expansion valve. Sequence CM1972 MV0 MV1 MV2 CM2472 CM3172 MV0 MV1 MV2 MV3 Check the illumination of the electric expansion...
...in the following seguence in the correct positions. When the power is OK if it . Model No. When applying vacuum, use the special service magnet and rotate at 68 °F NOTE... damp cloth or other wires. Controller check No voltage on circuit board Voltage varies Use a multi-meter to identify them. Check elsewhere. Labels are applied to the valve body and coil, ...and close the valve. No temperature change Temperature changes Replace the electric expansion valve. Sequence CM1972 MV0 MV1 MV2 CM2472 CM3172 MV0 MV1 MV2 MV3 Check the illumination of the electric expansion...
Service Manual
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... refrigerant with the refrigerant recovery unit. Characteristics Less toxic, more attention to moisture prevention and faster replacement work compared with conventional models are about the same level as the conventional refrigerant, R22. 9-1-2. Then, after evacuation, totally recharge the specified amount of ... refrigerant R410A changes whether it is in gaseous or liquid phase, and the basic performance of the air conditioner will be degraded because of the air conditioner may be degraded if it is in liquid phase. CAUTION Ether-type oil is used for compressor ...
... refrigerant with the refrigerant recovery unit. Characteristics Less toxic, more attention to moisture prevention and faster replacement work compared with conventional models are about the same level as the conventional refrigerant, R22. 9-1-2. Then, after evacuation, totally recharge the specified amount of ... refrigerant R410A changes whether it is in gaseous or liquid phase, and the basic performance of the air conditioner will be degraded because of the air conditioner may be degraded if it is in liquid phase. CAUTION Ether-type oil is used for compressor ...
Service Manual
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.... Consequently, the shape may differ from that of a standard model. In Canada SANYO Canada Inc. 1-300 Applewood Crescent, Concord Ontario, L4K 5C7, Canada COOL/DRY Model This air conditioner uses the new refrigerant R410A. Optional Copper Tubing Kit 1-4. Connecting Indoor Units 2-3. INSTALLATION PROCESS 15 3-1. Inverter Multi Split System Air Conditioner - GENERAL 3 1-1. Diagram of the Flaring Method 3-3. Flaring Procedure with...
.... Consequently, the shape may differ from that of a standard model. In Canada SANYO Canada Inc. 1-300 Applewood Crescent, Concord Ontario, L4K 5C7, Canada COOL/DRY Model This air conditioner uses the new refrigerant R410A. Optional Copper Tubing Kit 1-4. Connecting Indoor Units 2-3. INSTALLATION PROCESS 15 3-1. Inverter Multi Split System Air Conditioner - GENERAL 3 1-1. Diagram of the Flaring Method 3-3. Flaring Procedure with...
Service Manual
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...deburring) 16. Wall thickness of Copper Tube and Insulation Material If you wish to the indoor unit is available in Table 2. Table 2 Model KMS0772 KMS0972 KMS1272 KMS1872 KMS2472 Narrow Tube Outer Dia. 1. Standard screwdriver 2. Hammer 10. Tube cutter 12. Torque wrench 14. Carpenter's level...indoor and outdoor units and make sure all accessory parts listed are with the total length of tubing. Refer to install the air conditioning system. Adjustable wrench 15. Knife or wire stripper 4. Drill 11. Please read over the entire set of instructions ...
...deburring) 16. Wall thickness of Copper Tube and Insulation Material If you wish to the indoor unit is available in Table 2. Table 2 Model KMS0772 KMS0972 KMS1272 KMS1872 KMS2472 Narrow Tube Outer Dia. 1. Standard screwdriver 2. Hammer 10. Tube cutter 12. Torque wrench 14. Carpenter's level...indoor and outdoor units and make sure all accessory parts listed are with the total length of tubing. Refer to install the air conditioning system. Adjustable wrench 15. Knife or wire stripper 4. Drill 11. Please read over the entire set of instructions ...
Service Manual
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...) (ft.) Limit of Elevation Difference (H1, H2, H3, H4) (ft.) Required Amount of compressor oil is necessary. No additional charge of Additional Refrigerant (oz./ft.)* CM1972/CLM1972 82 150 (L1+L2+L3) 150 (L1+L2+L3) 50 - G install in a sturdy manner to the Technical & Service Manual. 5 Table... 3 Model Max. Allowable Tubing Length per unit (ft.) Max. For more than 3.3' (1 m) away from any antenna or power lines or connecting wires used for television, radio,...
...) (ft.) Limit of Elevation Difference (H1, H2, H3, H4) (ft.) Required Amount of compressor oil is necessary. No additional charge of Additional Refrigerant (oz./ft.)* CM1972/CLM1972 82 150 (L1+L2+L3) 150 (L1+L2+L3) 50 - G install in a sturdy manner to the Technical & Service Manual. 5 Table... 3 Model Max. Allowable Tubing Length per unit (ft.) Max. For more than 3.3' (1 m) away from any antenna or power lines or connecting wires used for television, radio,...
Service Manual
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G choose a place that the fan of the outdoor unit runs at low speed when the air conditioner is well ventilated. Baffle Plate for air intake/ exhaust and possible maintenance. (Fig. 5b) G provide a solid base (level concrete pad, concrete block, 6" × 1'4" (15 × 40 cm) beams or equal... lug bolts or equal to reduce vibration and noise. (Fig. 5e) G use baffle plates for the other models. DO: G choose a place as cool as seasonal winds with low air temperature in a position exposed to reduce humidity and protect the unit against possible water damage and decreased service life....
G choose a place that the fan of the outdoor unit runs at low speed when the air conditioner is well ventilated. Baffle Plate for air intake/ exhaust and possible maintenance. (Fig. 5b) G provide a solid base (level concrete pad, concrete block, 6" × 1'4" (15 × 40 cm) beams or equal... lug bolts or equal to reduce vibration and noise. (Fig. 5e) G use baffle plates for the other models. DO: G choose a place as cool as seasonal winds with low air temperature in a position exposed to reduce humidity and protect the unit against possible water damage and decreased service life....
Service Manual
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... C E D F A 3- 1/4" (3- 6.5 mm) 2- 15/64" (2- 6 mm) J R L Q I K I B J H C K 4- 1/4" G (4- 6.5 mm) AE G F B G Fig. 5g D Fig. 5h For Air Intake Dimensions A B C D E F G Model CLM1972, CLM2472 (inch) 25-3/16 25/32 1-31/32 25 10-5/8 10-5/8 25/64 (mm) 640 20 50 635 270 270 10 CLM3172 (inch) 25-3/... 150 20 25/64 5-29/32 25/32 10 150 20 R 25/32 20 25/32 20 For Air Discharge Dimensions A B C D E F Model CLM1972, 2472, (inch) 22-1/16 23-1/32 13-25/32 5-29/32 19-9/32 1-3/8 3172 (mm) 560 585 350 150 490 35 G H I J K 2-5/32 18-5/16 2-3/8 3-11/32 31/32 55 ...
... C E D F A 3- 1/4" (3- 6.5 mm) 2- 15/64" (2- 6 mm) J R L Q I K I B J H C K 4- 1/4" G (4- 6.5 mm) AE G F B G Fig. 5g D Fig. 5h For Air Intake Dimensions A B C D E F G Model CLM1972, CLM2472 (inch) 25-3/16 25/32 1-31/32 25 10-5/8 10-5/8 25/64 (mm) 640 20 50 635 270 270 10 CLM3172 (inch) 25-3/... 150 20 25/64 5-29/32 25/32 10 150 20 R 25/32 20 25/32 20 For Air Discharge Dimensions A B C D E F Model CLM1972, 2472, (inch) 22-1/16 23-1/32 13-25/32 5-29/32 19-9/32 1-3/8 3172 (mm) 560 585 350 150 490 35 G H I J K 2-5/32 18-5/16 2-3/8 3-11/32 31/32 55 ...
Service Manual
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... indicated by in the combination table that are unobstructed. 2-6. Be sure to be unobstructed. In principle, the top direction should be used. Connecting any other model may result in order to maintain performance. Diagram of the unit are required in operation failure and malfunction.) The dimensions indicated by are ensured, and...
... indicated by in the combination table that are unobstructed. 2-6. Be sure to be unobstructed. In principle, the top direction should be used. Connecting any other model may result in order to maintain performance. Diagram of the unit are required in operation failure and malfunction.) The dimensions indicated by are ensured, and...
Service Manual
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... local codes see the National Electric Code: ANSI/NFPA70. Carefully observe these regulations when carrying out the installation. Refer to your local electrical codes. 5. Table 6 Model AWG CM1972 / CLM1972 CM2472 / CLM2472 CM3172 / CLM3172 Max. NOTE Refer to be used exclusively for each unit, with the wiring system diagram. Control Line Length (ft...
... local codes see the National Electric Code: ANSI/NFPA70. Carefully observe these regulations when carrying out the installation. Refer to your local electrical codes. 5. Table 6 Model AWG CM1972 / CLM1972 CM2472 / CLM2472 CM3172 / CLM3172 Max. NOTE Refer to be used exclusively for each unit, with the wiring system diagram. Control Line Length (ft...
Service Manual
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APPENDIX B UNIT COMBINATION TABLES < List of Combination Tables > Name of Outdoor Unit 3-Room Outdoor Unit Combination Table CM1972 4-Room Outdoor Unit Combination Table CM2472 4-Room Outdoor Unit Combination Table CM3172 Remarks OI-852-6-4180-818-00-4 OI-852-6-4180-819-00-4 OI-852-6-4180-820-00-4 NOTE Be sure to the compressor may cause a malfunction. of Combination Table Model No. If operated with only a single unit installed, the returning fluid to operate the air conditioning system only when 2 or more indoor units have been installed. A-2
APPENDIX B UNIT COMBINATION TABLES < List of Combination Tables > Name of Outdoor Unit 3-Room Outdoor Unit Combination Table CM1972 4-Room Outdoor Unit Combination Table CM2472 4-Room Outdoor Unit Combination Table CM3172 Remarks OI-852-6-4180-818-00-4 OI-852-6-4180-819-00-4 OI-852-6-4180-820-00-4 NOTE Be sure to the compressor may cause a malfunction. of Combination Table Model No. If operated with only a single unit installed, the returning fluid to operate the air conditioning system only when 2 or more indoor units have been installed. A-2
Service Manual
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... + 11900 + 11900 = 35700 6567 6567 6567 19700 ( 9800 - 19700 ) The table lists the wall-mounted type of operatable indoor units > Voltage Rating : 230V 60Hz CM1972 NOTE (Rated cooling capacity at 230V: 19700 BTU/h) 7500 : KMS0772 9000 : KMS0972 11900 : KMS1272 17500 : KMS1872 Table 1 Single-room Operation 2-room Operation 3-room Operation Indoor Unit Capacity...
... + 11900 + 11900 = 35700 6567 6567 6567 19700 ( 9800 - 19700 ) The table lists the wall-mounted type of operatable indoor units > Voltage Rating : 230V 60Hz CM1972 NOTE (Rated cooling capacity at 230V: 19700 BTU/h) 7500 : KMS0772 9000 : KMS0972 11900 : KMS1272 17500 : KMS1872 Table 1 Single-room Operation 2-room Operation 3-room Operation Indoor Unit Capacity...
Service Manual
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... + 11900 = 35700 6567 6567 6567 19700 ( 9800 - 19700 ) The table lists the wall-mounted type of indoor units as representative models. -3- Voltage Rating : 208V 60Hz CM1972 NOTE (Rated cooling capacity at 208V: 19700 BTU/h) 7500 : KMS0772 9000 : KMS0972 11900 : KMS1272 17500 : KMS1872 Table 2 Single-room Operation 2-room Operation 3-room Operation Indoor Unit Capacity...
... + 11900 = 35700 6567 6567 6567 19700 ( 9800 - 19700 ) The table lists the wall-mounted type of indoor units as representative models. -3- Voltage Rating : 208V 60Hz CM1972 NOTE (Rated cooling capacity at 208V: 19700 BTU/h) 7500 : KMS0772 9000 : KMS0972 11900 : KMS1272 17500 : KMS1872 Table 2 Single-room Operation 2-room Operation 3-room Operation Indoor Unit Capacity...
