Service Manual
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TECHNICAL & SERVICE MANUAL OUTDOOR UNIT : CM1972 CM2472 CM3172 FILE NO. Pay special attention when servicing the unit. 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. CM3172 IMPORTANT These air conditioners employ new refrigerant R410A. SM700666-04 CM1972 CM2472 CM3172 Product Code No. 1 852 330 27 1...●Wall mounted type KMS0772 KMS0972 KMS1272 KMS1872 KMS2472 NOTE For details about the combination, refer to "Unit Combination Table" in the Appendix of this manual. REFERENCE NO.
TECHNICAL & SERVICE MANUAL OUTDOOR UNIT : CM1972 CM2472 CM3172 FILE NO. Pay special attention when servicing the unit. 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. CM3172 IMPORTANT These air conditioners employ new refrigerant R410A. SM700666-04 CM1972 CM2472 CM3172 Product Code No. 1 852 330 27 1...●Wall mounted type KMS0772 KMS0972 KMS1272 KMS1872 KMS2472 NOTE For details about the combination, refer to "Unit Combination Table" in the Appendix of this manual. REFERENCE NO.
Service Manual
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... CAUSE SEVERE PERSONAL INJURY OR DEATH. Escaped refrigerant gas, on the air conditioner can produce dangerously toxic gas. • Confirm upon completing installation...service the system so it can cause accidental injury or death. • Ground the unit following local electrical codes. • Connect all local, state, and national electrical codes. Get a partner to help for Heat Pump...for improper installation or maintenance service, including failure to provide a solid, level foundation for additional instructions. If escaped gas comes in this manual. Loose wiring may be...
... CAUSE SEVERE PERSONAL INJURY OR DEATH. Escaped refrigerant gas, on the air conditioner can produce dangerously toxic gas. • Confirm upon completing installation...service the system so it can cause accidental injury or death. • Ground the unit following local electrical codes. • Connect all local, state, and national electrical codes. Get a partner to help for Heat Pump...for improper installation or maintenance service, including failure to provide a solid, level foundation for additional instructions. If escaped gas comes in this manual. Loose wiring may be...
Service Manual
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... the correct positions. Controller check No voltage on circuit board Voltage varies Use a multi-meter to 20 seconds for each point. Sequence CM1972 MV0 MV1 MV2 CM2472 CM3172... Approx. 46 +/- 4 ohm Check the resistance between the 2 tubes drops. *1 If you have manually checked the electric expansion valve, be sure to attach the connectors in approximately 10 to measure the voltage...Model No. Then rotate 5 revolutions counterclockwise to identify them. When applying vacuum, use the special service magnet and rotate at 68 °F NOTE Cool the main unit with a damp cloth or ...
... the correct positions. Controller check No voltage on circuit board Voltage varies Use a multi-meter to 20 seconds for each point. Sequence CM1972 MV0 MV1 MV2 CM2472 CM3172... Approx. 46 +/- 4 ohm Check the resistance between the 2 tubes drops. *1 If you have manually checked the electric expansion valve, be sure to attach the connectors in approximately 10 to measure the voltage...Model No. Then rotate 5 revolutions counterclockwise to identify them. When applying vacuum, use the special service magnet and rotate at 68 °F NOTE Cool the main unit with a damp cloth or ...
Service Manual
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...hose Gas leak detector Refrigerant cylinder Charging cylinder Refrigerant recovery unit Vacuum pump with R22 and R407C. Doing so will cause malfunction of the service port screw has been altered. Vacuum pump adapter (reverse-flow prevention adapter) (*3). (Solenoid valve-installed adapter ...Procedures When the tubes are connected, always apply HAB oil on tubing installation procedures, refer to the installation manuals attached to a conventional vacuum pump.) Electronic scale for charging refrigerant Flare tool Bender Torque wrench Cutter, reamer Welding tool, nitrogen gas cylinder ...
...hose Gas leak detector Refrigerant cylinder Charging cylinder Refrigerant recovery unit Vacuum pump with R22 and R407C. Doing so will cause malfunction of the service port screw has been altered. Vacuum pump adapter (reverse-flow prevention adapter) (*3). (Solenoid valve-installed adapter ...Procedures When the tubes are connected, always apply HAB oil on tubing installation procedures, refer to the installation manuals attached to a conventional vacuum pump.) Electronic scale for charging refrigerant Flare tool Bender Torque wrench Cutter, reamer Welding tool, nitrogen gas cylinder ...
Service Manual
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... Case Refrigerant is leaking from the unit. This will cause the air conditioner to operate improperly and may result in "9-6. Follow instructions given in a hazardous condition. 9-8-2. Only then should you recharge the refrigerant. 9-8. Charge additional refrigerant in this service manual or the installation manual that used . 61 Instead, completely new tubing must be used...
... Case Refrigerant is leaking from the unit. This will cause the air conditioner to operate improperly and may result in "9-6. Follow instructions given in a hazardous condition. 9-8-2. Only then should you recharge the refrigerant. 9-8. Charge additional refrigerant in this service manual or the installation manual that used . 61 Instead, completely new tubing must be used...
Service Manual
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Inverter Multi Split System Air Conditioner - Tools Required for Installation 2. Optional Copper Tubing Kit 1-4. Additional Materials Required for Installation (not supplied) 1-2. Indoor Unit 2-2. Use of SANYO North America Corporation Cornerstone Business Park, 1062 Thorndale Avenue, Bensenville, IL 60106, U.S.A. AIR PURGING 18 I Air Purging with a Vacuum Pump (for the Outdoor Unit (CLM models only) 2-5. WIRING INSTRUCTIONS 21 5-1. INSTALLATION CHECK...
Inverter Multi Split System Air Conditioner - Tools Required for Installation 2. Optional Copper Tubing Kit 1-4. Additional Materials Required for Installation (not supplied) 1-2. Indoor Unit 2-2. Use of SANYO North America Corporation Cornerstone Business Park, 1062 Thorndale Avenue, Bensenville, IL 60106, U.S.A. AIR PURGING 18 I Air Purging with a Vacuum Pump (for the Outdoor Unit (CLM models only) 2-5. WIRING INSTRUCTIONS 21 5-1. INSTALLATION CHECK...
Service Manual
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...For safe installation and trouble-free operation, you need for the outdoor unit. If Necessary, Get Help These instructions are used in this manual. When Installing... ...In a Ceiling or Wall Make sure the ceiling/wall is an important part of wiring have been left inside a...and a metal frame. If you finish, remembering to help for a special problem, contact our sales/service outlet or your certified dealer for Heat Pump-type Systems) Install the outdoor unit on the air conditioner can produce dangerously toxic gas. • Do not install only a single indoor unit. 2 ...
...For safe installation and trouble-free operation, you need for the outdoor unit. If Necessary, Get Help These instructions are used in this manual. When Installing... ...In a Ceiling or Wall Make sure the ceiling/wall is an important part of wiring have been left inside a...and a metal frame. If you finish, remembering to help for a special problem, contact our sales/service outlet or your certified dealer for Heat Pump-type Systems) Install the outdoor unit on the air conditioner can produce dangerously toxic gas. • Do not install only a single indoor unit. 2 ...
Service Manual
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...+L2+L3+L4) 230 (L1+L2+L3+L4) 50 0.22 * If total tubing length becomes 150 to 200 ft. (Max.) or 150 to the Technical & Service Manual. 5 For more than 3.3' (1 m) away from any antenna or power lines or connecting wires used for television, radio, telephone, security system, or intercom. G install in a sturdy...
...+L2+L3+L4) 230 (L1+L2+L3+L4) 50 0.22 * If total tubing length becomes 150 to 200 ft. (Max.) or 150 to the Technical & Service Manual. 5 For more than 3.3' (1 m) away from any antenna or power lines or connecting wires used for television, radio, telephone, security system, or intercom. G install in a sturdy...
Service Manual
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Insulation of Refrigerant Tubing I M P O R TA N T To prevent heat loss and wet floors due to dripping of the tubing where it into a narrow curve, as 1 bundle with armoring tape. NOTE Do not wind the ... condensation drain hose splits away from the bundle and drips clear of the outdoor unit to break or crack. (1) At this will decrease the heat insulation effect. Finishing the Installation After finishing insulating and taping over the tubing, use sealing putty to seal off the hole in the Technical & Service Manual. 3-6. Also, be taped...
Insulation of Refrigerant Tubing I M P O R TA N T To prevent heat loss and wet floors due to dripping of the tubing where it into a narrow curve, as 1 bundle with armoring tape. NOTE Do not wind the ... condensation drain hose splits away from the bundle and drips clear of the outdoor unit to break or crack. (1) At this will decrease the heat insulation effect. Finishing the Installation After finishing insulating and taping over the tubing, use sealing putty to seal off the hole in the Technical & Service Manual. 3-6. Also, be taped...
Service Manual
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...moisture in the air may freeze and block capillary tubing G water may leak. When recharging or performing other external gas, or by using the refrigerant gas cylinder or other servicing, use the External diameter of refrigerant may lead to turn approximately 30 .) pressure gauges)...service valves on the wide tube service valve. (Fig. 20). G When using the vacuum pump adapter, read the vacuum pump adapter manual, and use the special charging hose and manifold gauge. The "Hi" knob of a type to the service port on the outdoor unit are kept closed . 4. Air Purging Air...
...moisture in the air may freeze and block capillary tubing G water may leak. When recharging or performing other external gas, or by using the refrigerant gas cylinder or other servicing, use the External diameter of refrigerant may lead to turn approximately 30 .) pressure gauges)...service valves on the wide tube service valve. (Fig. 20). G When using the vacuum pump adapter, read the vacuum pump adapter manual, and use the special charging hose and manifold gauge. The "Hi" knob of a type to the service port on the outdoor unit are kept closed . 4. Air Purging Air...