Service Manual
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... employ new refrigerant R410A. SM700666-04 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. CM1972 CM2472 CM3172 Product Code No. 1 852 330 27 1 852 330 28 1 852 330 29 CM1972 CM2472 < Applicable Indoor Units > ●Wall ...
... employ new refrigerant R410A. SM700666-04 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. CM1972 CM2472 CM3172 Product Code No. 1 852 330 27 1 852 330 28 1 852 330 29 CM1972 CM2472 < Applicable Indoor Units > ●Wall ...
Service Manual
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...clothing away from any moving parts. • Clean up and moving the indoor and outdoor units. Loose wiring may be responsible for Heat Pump-type Systems) Install the outdoor unit on a raised platform that no way be necessary to construct a strong wood or metal frame ... • Turn the power off at connection points and a possible fire hazard. • Install a protective leakage breaker depending on the air conditioner can produce dangerously toxic gas. • Confirm upon completing installation that is higher than drifting snow. Escaped refrigerant gas, on your certified...
...clothing away from any moving parts. • Clean up and moving the indoor and outdoor units. Loose wiring may be responsible for Heat Pump-type Systems) Install the outdoor unit on a raised platform that no way be necessary to construct a strong wood or metal frame ... • Turn the power off at connection points and a possible fire hazard. • Install a protective leakage breaker depending on the air conditioner can produce dangerously toxic gas. • Confirm upon completing installation that is higher than drifting snow. Escaped refrigerant gas, on your certified...
Service Manual
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Other Component Specifications 15 3. Cooling Capacity ...36 6. Electric Wiring Diagrams ...39 7. Protective Functions ...45 8. Characteristics of Each Part 50 8-5. Retro-Fitting Existing Systems 61 APPENDIX A INSTALLATION INSTRUCTIONS A-1 APPENDIX B UNIT COMBINATION TABLES A-2 3 OPERATING RANGE ...5 2. Unit Specifications ...6 2-2. Major Component Specifications 12 2-3. REFRIGERANT FLOW DIAGRAM 4-1. PERFORMANCE DATA 5-1. Checking the Outdoor System 49 8-4. Trouble Diagnosis of New Refrigerant R410A 55 9-2. Refrigerant Flow Diagram 19 5. ELECTRICAL DATA 6-1....
Other Component Specifications 15 3. Cooling Capacity ...36 6. Electric Wiring Diagrams ...39 7. Protective Functions ...45 8. Characteristics of Each Part 50 8-5. Retro-Fitting Existing Systems 61 APPENDIX A INSTALLATION INSTRUCTIONS A-1 APPENDIX B UNIT COMBINATION TABLES A-2 3 OPERATING RANGE ...5 2. Unit Specifications ...6 2-2. Major Component Specifications 12 2-3. REFRIGERANT FLOW DIAGRAM 4-1. PERFORMANCE DATA 5-1. Checking the Outdoor System 49 8-4. Trouble Diagnosis of New Refrigerant R410A 55 9-2. Refrigerant Flow Diagram 19 5. ELECTRICAL DATA 6-1....
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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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... Width × Depth Weight Net Shipping Shipping Volume inch (mm) inch (mm) Ibs (kg) Ibs (kg) cu.ft (m3) < 230V > 3-Room Multi Outdoor Unit 3 3 230V Single-Phase 60Hz Cooling 19,700 ( 9,800 to 19,700 ) 5.80 ( 2.90 to 5.80 ) 16,800 2,900 1,707...Performance Electrical Rating Total Capacity Sensible Capacity Latent Capacity Air Circulation (High) Available Voltage Range Running Amperes Power Input Power Factor EER SEER Compressor Locked Rotor Amperes Fuse or Circuit Breaker Capacity BTU/h kW BTU/h BTU/h ft3/min (m3/h) V A W % BTU/h/W BTU/Wh A A Features Control Fan Speeds Compressor ...
... Width × Depth Weight Net Shipping Shipping Volume inch (mm) inch (mm) Ibs (kg) Ibs (kg) cu.ft (m3) < 230V > 3-Room Multi Outdoor Unit 3 3 230V Single-Phase 60Hz Cooling 19,700 ( 9,800 to 19,700 ) 5.80 ( 2.90 to 5.80 ) 16,800 2,900 1,707...Performance Electrical Rating Total Capacity Sensible Capacity Latent Capacity Air Circulation (High) Available Voltage Range Running Amperes Power Input Power Factor EER SEER Compressor Locked Rotor Amperes Fuse or Circuit Breaker Capacity BTU/h kW BTU/h BTU/h ft3/min (m3/h) V A W % BTU/h/W BTU/Wh A A Features Control Fan Speeds Compressor ...
Service Manual
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...Compressor Locked Rotor Amperes Fuse or Circuit Breaker Capacity BTU/h kW BTU/h BTU/h ft3/min (m3/h) V A W % BTU/h/W BTU/Wh A A Features Control Fan Speeds Compressor Refrigerant / Amount charged at shipment Refrigerant Control Operation Sound (High) Cool Refrigerant Tubing Connections Max. Outdoor air temp. 95°F D.B./ 75°F W.B. 7...Width × Depth Weight Net Shipping Shipping Volume inch (mm) inch (mm) Ibs (kg) Ibs (kg) cu.ft (m3) < 208V > 3-Room Multi Outdoor Unit 3 3 208V Single-Phase 60Hz Cooling 19,700 ( 9,800 to 19,700 ) 5.80 ( 2.90 to 5.80 ) 16,800 2,900 1,...
...Compressor Locked Rotor Amperes Fuse or Circuit Breaker Capacity BTU/h kW BTU/h BTU/h ft3/min (m3/h) V A W % BTU/h/W BTU/Wh A A Features Control Fan Speeds Compressor Refrigerant / Amount charged at shipment Refrigerant Control Operation Sound (High) Cool Refrigerant Tubing Connections Max. Outdoor air temp. 95°F D.B./ 75°F W.B. 7...Width × Depth Weight Net Shipping Shipping Volume inch (mm) inch (mm) Ibs (kg) Ibs (kg) cu.ft (m3) < 208V > 3-Room Multi Outdoor Unit 3 3 208V Single-Phase 60Hz Cooling 19,700 ( 9,800 to 19,700 ) 5.80 ( 2.90 to 5.80 ) 16,800 2,900 1,...
Service Manual
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...Performance Electrical Rating Total Capacity Sensible Capacity Latent Capacity Air Circulation (High) Available Voltage Range Running Amperes Power Input Power Factor EER SEER Compressor Locked Rotor Amperes Fuse or Circuit Breaker Capacity BTU/h kW BTU/h BTU/h ft3/min (m3/h) V A W % BTU/h/W BTU/Wh A A Features Control Fan Speeds Compressor ... Width × Depth Weight Net Shipping Shipping Volume inch (mm) inch (mm) Ibs (kg) Ibs (kg) cu.ft (m3) < 230V > 4-Room Multi Outdoor Unit 4 3 230V Single-Phase 60Hz Cooling 25,400 ( 9,800 to 25,400 ) 7.50 ( 2.90 to 7.50 ) 21,400 4,000 1,707...
...Performance Electrical Rating Total Capacity Sensible Capacity Latent Capacity Air Circulation (High) Available Voltage Range Running Amperes Power Input Power Factor EER SEER Compressor Locked Rotor Amperes Fuse or Circuit Breaker Capacity BTU/h kW BTU/h BTU/h ft3/min (m3/h) V A W % BTU/h/W BTU/Wh A A Features Control Fan Speeds Compressor ... Width × Depth Weight Net Shipping Shipping Volume inch (mm) inch (mm) Ibs (kg) Ibs (kg) cu.ft (m3) < 230V > 4-Room Multi Outdoor Unit 4 3 230V Single-Phase 60Hz Cooling 25,400 ( 9,800 to 25,400 ) 7.50 ( 2.90 to 7.50 ) 21,400 4,000 1,707...
Service Manual
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...(mm) Ibs (kg) Ibs (kg) cu.ft (m3) < 208V > 4-Room Multi Outdoor Unit 4 3 208V Single-Phase 60Hz Cooling 24,400 ( 9,800 to 24,400 ) 7.20 ( 2.90 to 7.20 ) 20,600 3,800 1,707 (2,900) 187 to the "Unit Combination Tables" in performance section and ...Performance Electrical Rating Total Capacity Sensible Capacity Latent Capacity Air Circulation (High) Available Voltage Range Running Amperes Power Input Power Factor EER SEER Compressor Locked Rotor Amperes Fuse or Circuit Breaker Capacity BTU/h kW BTU/h BTU/h ft3/min (m3/h) V A W % BTU/h/W BTU/Wh A A Features Control Fan Speeds Compressor ...
...(mm) Ibs (kg) Ibs (kg) cu.ft (m3) < 208V > 4-Room Multi Outdoor Unit 4 3 208V Single-Phase 60Hz Cooling 24,400 ( 9,800 to 24,400 ) 7.20 ( 2.90 to 7.20 ) 20,600 3,800 1,707 (2,900) 187 to the "Unit Combination Tables" in performance section and ...Performance Electrical Rating Total Capacity Sensible Capacity Latent Capacity Air Circulation (High) Available Voltage Range Running Amperes Power Input Power Factor EER SEER Compressor Locked Rotor Amperes Fuse or Circuit Breaker Capacity BTU/h kW BTU/h BTU/h ft3/min (m3/h) V A W % BTU/h/W BTU/Wh A A Features Control Fan Speeds Compressor ...
Service Manual
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... Electrical Rating Total Capacity Sensible Capacity Latent Capacity Air Circulation (High) Available Voltage Range Running Amperes Power Input Power Factor EER SEER Compressor Locked Rotor Amperes Fuse or Circuit Breaker Capacity BTU/h kW BTU/h BTU/h ft3/min (m3/h) V A W % BTU/h/W BTU/Wh A A Features Control Fan Speeds Compressor...Shipping Shipping Volume inch (mm) inch (mm) Ibs (kg) Ibs (kg) cu.ft (m3) < 230V > 4-Room Multi Outdoor Unit 4 4 230V Single-Phase 60Hz Cooling 30,600 ( 9,800 to 30,600 ) 9.00 ( 2.90 to 9.00 ) 25,800 4,800 1,942 (3,300) 187 to the "Unit Combination Tables" ...
... Electrical Rating Total Capacity Sensible Capacity Latent Capacity Air Circulation (High) Available Voltage Range Running Amperes Power Input Power Factor EER SEER Compressor Locked Rotor Amperes Fuse or Circuit Breaker Capacity BTU/h kW BTU/h BTU/h ft3/min (m3/h) V A W % BTU/h/W BTU/Wh A A Features Control Fan Speeds Compressor...Shipping Shipping Volume inch (mm) inch (mm) Ibs (kg) Ibs (kg) cu.ft (m3) < 230V > 4-Room Multi Outdoor Unit 4 4 230V Single-Phase 60Hz Cooling 30,600 ( 9,800 to 30,600 ) 9.00 ( 2.90 to 9.00 ) 25,800 4,800 1,942 (3,300) 187 to the "Unit Combination Tables" ...
Service Manual
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...Microprocessor Auto (Hi, Me, Lo) DC Twin Rotary (Inverter) R410A / 8.38 (3,800) Electric Expansion Valve 53 Flare Type 100 (30.5) 1/4 (6.35) × 4 3/8 (9.52) × 2 + 1/2 (12.7) × 2 Outdoor Unit 35-1/32 ×...(kg) Ibs (kg) cu.ft (m3) < 208V > 4-Room Multi Outdoor Unit 4 4 208V Single-Phase 60Hz Cooling 28,600 ( 9,800 to 28,600 ) 8.40 ( 2.90 to 8.40 ) 24,200 4,400 1,942 ...Air Circulation (High) Available Voltage Range Running Amperes Power Input Power Factor EER SEER Compressor Locked Rotor Amperes Fuse or Circuit Breaker Capacity BTU/h kW BTU/h BTU/h ft3/min (m3/h) V A W % BTU/h/W BTU...
...Microprocessor Auto (Hi, Me, Lo) DC Twin Rotary (Inverter) R410A / 8.38 (3,800) Electric Expansion Valve 53 Flare Type 100 (30.5) 1/4 (6.35) × 4 3/8 (9.52) × 2 + 1/2 (12.7) × 2 Outdoor Unit 35-1/32 ×...(kg) Ibs (kg) cu.ft (m3) < 208V > 4-Room Multi Outdoor Unit 4 4 208V Single-Phase 60Hz Cooling 28,600 ( 9,800 to 28,600 ) 8.40 ( 2.90 to 8.40 ) 24,200 4,400 1,942 ...Air Circulation (High) Available Voltage Range Running Amperes Power Input Power Factor EER SEER Compressor Locked Rotor Amperes Fuse or Circuit Breaker Capacity BTU/h kW BTU/h BTU/h ft3/min (m3/h) V A W % BTU/h/W BTU...
Service Manual
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... Poles Rough Measure RPM (Cool) Nominal Output Coil 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) 12 CB-CM1972 Microprocessor 250V 25A DC Twin Rotary...
... Poles Rough Measure RPM (Cool) Nominal Output Coil 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) 12 CB-CM1972 Microprocessor 250V 25A DC Twin Rotary...
Service Manual
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... Poles Rough Measure RPM (Cool) Nominal Output Coil 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) 13 CB-CM2572 Microprocessor 250V 25A DC Twin Rotary...
... Poles Rough Measure RPM (Cool) Nominal Output Coil 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) 13 CB-CM2572 Microprocessor 250V 25A DC Twin Rotary...
Service Manual
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... Poles Rough Measure RPM (Cool) Nominal Output Coil 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...
... Poles Rough Measure RPM (Cool) Nominal Output Coil 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...
Service Manual
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... CM2472 1 Resistance (k ohm) 200 180 160 140 120 100 80 60 40 20 0 32 50 68 86 104 122 140 158 176 194 (0) (10) (20) (30) (40) (50) (60) (70) (80) (90) Temperature F ( C) 15 CM3172 1 1 1 / 1 1 / 1 1 / 1 1 / 1 CM3172 1 of sensor TKS293B CM1972 1 Quantity of Sensor CM2472 1 1 1 / 1 ...1 / 1 1 / 1 1 / 1 Resistance (k ohm) 40 35 30 25 20 15 10 5 0 -4 5 14 23 32 41 50 59 68 (-20)(-15)(-10) (-5) (0) (5) (10) (15) (20) Temperature F ( C) Sensor Name Compressor temp sensor Model No. ...
... CM2472 1 Resistance (k ohm) 200 180 160 140 120 100 80 60 40 20 0 32 50 68 86 104 122 140 158 176 194 (0) (10) (20) (30) (40) (50) (60) (70) (80) (90) Temperature F ( C) 15 CM3172 1 1 1 / 1 1 / 1 1 / 1 1 / 1 CM3172 1 of sensor TKS293B CM1972 1 Quantity of Sensor CM2472 1 1 1 / 1 ...1 / 1 1 / 1 1 / 1 Resistance (k ohm) 40 35 30 25 20 15 10 5 0 -4 5 14 23 32 41 50 59 68 (-20)(-15)(-10) (-5) (0) (5) (10) (15) (20) Temperature F ( C) Sensor Name Compressor temp sensor Model No. ...
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Outdoor Unit CM2472 11-17/32 23-15/16 5-11/32 15/32 1-3/8 ID:23/32 2-ID:15/16 12-19/32(320) 13-19/32 14-17/32 35-7/16(900) 2-15/16 Wide tube service valve dia.3/8" (9.52) × 3 Narrow tube service valve dia.1/4" (6.35) × 4 Wide tube service valve dia.1/2" (12.70) × 1 4-7/16 2-15/16 2-3/4 2-3/4 5-29/32 2-27/32 2-3/4 2-3/4 29-1/8(740) 23/32 1-13/16 2-1/16 2-13/32 2-1/32 4-1/2 Unit: inch(mm) 17
Outdoor Unit CM2472 11-17/32 23-15/16 5-11/32 15/32 1-3/8 ID:23/32 2-ID:15/16 12-19/32(320) 13-19/32 14-17/32 35-7/16(900) 2-15/16 Wide tube service valve dia.3/8" (9.52) × 3 Narrow tube service valve dia.1/4" (6.35) × 4 Wide tube service valve dia.1/2" (12.70) × 1 4-7/16 2-15/16 2-3/4 2-3/4 5-29/32 2-27/32 2-3/4 2-3/4 29-1/8(740) 23/32 1-13/16 2-1/16 2-13/32 2-1/32 4-1/2 Unit: inch(mm) 17
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Outdoor Unit CM3172 11-17/32 23-15/16 5-11/32 15/32 1-3/8 ID:23/32 2-ID:15/16 12-19/32(320) 13-19/32 14-17/32 35-7/16(900) 2-15/16 Wide tube service valve dia.3/8" (9.52) × 2 Narrow tube service valve dia.1/4" (6.35) × 4 Wide tube service valve dia.1/2" (12.70) × 2 35-1/32(890) 4-7/16 2-15/16 2-3/4 2-3/4 5-29/32 2-7/8 2-3/4 2-3/4 23/32 1-13/16 2-1/16 2-13/32 2-1/32 4-1/2 Unit: inch(mm) 18
Outdoor Unit CM3172 11-17/32 23-15/16 5-11/32 15/32 1-3/8 ID:23/32 2-ID:15/16 12-19/32(320) 13-19/32 14-17/32 35-7/16(900) 2-15/16 Wide tube service valve dia.3/8" (9.52) × 2 Narrow tube service valve dia.1/4" (6.35) × 4 Wide tube service valve dia.1/2" (12.70) × 2 35-1/32(890) 4-7/16 2-15/16 2-3/4 2-3/4 5-29/32 2-7/8 2-3/4 2-3/4 23/32 1-13/16 2-1/16 2-13/32 2-1/32 4-1/2 Unit: inch(mm) 18
Service Manual
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... IMPORTANT Because capillary tubing is used in the outdoor unit, both tubes must be a min.5/16"(8 mm). The thickness of this air conditioner become cold. CAUTION After a tube has been insulated, never try to bend it into a narrow curve because it can cause...both the wide and narrow tubes of the insulation Thickness: Min.5/16"(8 mm) should be well insulated with a proper insulation material. Compressor Heat exchanger Narrow tube O.D.1/4" O.D.1/4" O.D.1/4" Service valve on wide tube CW BW AW Header Outdoor unit Sub Main accumulator accumulator High pressure switch H.P....
... IMPORTANT Because capillary tubing is used in the outdoor unit, both tubes must be a min.5/16"(8 mm). The thickness of this air conditioner become cold. CAUTION After a tube has been insulated, never try to bend it into a narrow curve because it can cause...both the wide and narrow tubes of the insulation Thickness: Min.5/16"(8 mm) should be well insulated with a proper insulation material. Compressor Heat exchanger Narrow tube O.D.1/4" O.D.1/4" O.D.1/4" Service valve on wide tube CW BW AW Header Outdoor unit Sub Main accumulator accumulator High pressure switch H.P....
Service Manual
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...it into a narrow curve because it can cause the tube to dripping of condensation, both the wide and narrow tubes of this air conditioner become cold. Narrow tube O.D.1/4" O.D.1/4" O.D.1/4" O.D.1/4" Service valve on wide tube DW CW BW AW Header Outdoor unit Sub ... unit Wide tube O.D.3/8" O.D.3/8" O.D.3/8" O.D.1/2" Service valve on narrow tube DN Electric expansion valve M CN M BN M AN M Strainer Header Heat exchanger Compressor Cooling cycle Insulation of Refrigerant Tubing IMPORTANT Because capillary tubing is used in the outdoor unit, both tubes must be a min.5/16...
...it into a narrow curve because it can cause the tube to dripping of condensation, both the wide and narrow tubes of this air conditioner become cold. Narrow tube O.D.1/4" O.D.1/4" O.D.1/4" O.D.1/4" Service valve on wide tube DW CW BW AW Header Outdoor unit Sub ... unit Wide tube O.D.3/8" O.D.3/8" O.D.3/8" O.D.1/2" Service valve on narrow tube DN Electric expansion valve M CN M BN M AN M Strainer Header Heat exchanger Compressor Cooling cycle Insulation of Refrigerant Tubing IMPORTANT Because capillary tubing is used in the outdoor unit, both tubes must be a min.5/16...
Service Manual
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... Indoor unit Wide tube O.D.3/8" O.D.3/8" O.D.1/2" O.D.1/2" Service valve on narrow tube DN Electric expansion valve M CN M BN M AN M Strainer Header Heat exchanger Compressor Cooling cycle Insulation of Refrigerant Tubing IMPORTANT Because capillary tubing is used in the outdoor unit, both tubes must be a min.5/16"(8 mm... mm) should be well insulated with a proper insulation material. Wide tube Insulation Thickness: Min.5/16"(8 mm) Narrow tube 21 The thickness of this air conditioner become cold. To prevent heat loss and wet floors due to break or crack.
... Indoor unit Wide tube O.D.3/8" O.D.3/8" O.D.1/2" O.D.1/2" Service valve on narrow tube DN Electric expansion valve M CN M BN M AN M Strainer Header Heat exchanger Compressor Cooling cycle Insulation of Refrigerant Tubing IMPORTANT Because capillary tubing is used in the outdoor unit, both tubes must be a min.5/16"(8 mm... mm) should be well insulated with a proper insulation material. Wide tube Insulation Thickness: Min.5/16"(8 mm) Narrow tube 21 The thickness of this air conditioner become cold. To prevent heat loss and wet floors due to break or crack.
Service Manual
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... fan) (230V, 60Hz) (1) Low pressure performance chart 188 (1.3) Lo fan 174 (1.2) 160 (1.1) Hi fan HH fan Indoor air temp. 86°F 80°F 75°F (30°C) (27°C) (24°C) Low pressure at wide tube service valve psig (MPaG) 146 (1.0)77 86 95 104 ... fan HH fan Operating current (A) 4 Indoor air temp. 86°F (30°C) 3 8705°°FF((2274°°CC)) 2 77 86 95 104 (25) (30) (35) (40) Outdoor air temperature °F (°C) (3) Indoor discharge air performance chart Indoor discharge air temperature °F (°C) 68.0(20) Lo...
... fan) (230V, 60Hz) (1) Low pressure performance chart 188 (1.3) Lo fan 174 (1.2) 160 (1.1) Hi fan HH fan Indoor air temp. 86°F 80°F 75°F (30°C) (27°C) (24°C) Low pressure at wide tube service valve psig (MPaG) 146 (1.0)77 86 95 104 ... fan HH fan Operating current (A) 4 Indoor air temp. 86°F (30°C) 3 8705°°FF((2274°°CC)) 2 77 86 95 104 (25) (30) (35) (40) Outdoor air temperature °F (°C) (3) Indoor discharge air performance chart Indoor discharge air temperature °F (°C) 68.0(20) Lo...