Service Manual
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TECHNICAL & SERVICE MANUAL OUTDOOR UNIT : CLM1972 CLM2472 CLM3172 FILE 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. REFERENCE NO. CLM1972 CLM2472 CLM3172 Product Code No. 1 852 330 33 1 852 330 34 1 852 330 35 CLM1972 CLM2472 < Applicable Indoor Units > ●Wall mounted type KMS0772 KMS0972 KMS1272 KMS1872 KMS2472 NOTE For details about the combination, refer to "Unit Combination Table" in...
TECHNICAL & SERVICE MANUAL OUTDOOR UNIT : CLM1972 CLM2472 CLM3172 FILE 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. REFERENCE NO. CLM1972 CLM2472 CLM3172 Product Code No. 1 852 330 33 1 852 330 34 1 852 330 35 CLM1972 CLM2472 < Applicable Indoor Units > ●Wall mounted type KMS0772 KMS0972 KMS1272 KMS1872 KMS2472 NOTE For details about the combination, refer to "Unit Combination Table" in...
Service Manual
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... you need for additional instructions. Sharp edges or thin aluminum fins on contact with a torque wrench for a leak-free connection. • Check carefully for leaks before opening the unit to check or repair electrical parts and wiring. • Keep your certified dealer for most installation sites and maintenance conditions. It may cause overheating at the main power box (mains) before starting the test run inside the unit being serviced...
... you need for additional instructions. Sharp edges or thin aluminum fins on contact with a torque wrench for a leak-free connection. • Check carefully for leaks before opening the unit to check or repair electrical parts and wiring. • Keep your certified dealer for most installation sites and maintenance conditions. It may cause overheating at the main power box (mains) before starting the test run inside the unit being serviced...
Service Manual
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...and electrical rating section above are : Cooling : Indoor air temp. 80°F D.B./ 67°F W.B. The values shown in this manual. Unit Specifications Outdoor Unit CLM1972 Indoor Unit KMS0972 × 3 Type Number of Connectable Indoor Units Number of Operatable Indoor Units Voltage Rating 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...
...and electrical rating section above are : Cooling : Indoor air temp. 80°F D.B./ 67°F W.B. The values shown in this manual. Unit Specifications Outdoor Unit CLM1972 Indoor Unit KMS0972 × 3 Type Number of Connectable Indoor Units Number of Operatable Indoor Units Voltage Rating 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...
Service Manual
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...electrical rating section above are : Cooling : Indoor air temp. 80°F D.B./ 67°F W.B. Outdoor Unit CLM2472 Indoor Unit KMS0972 × 3 Type Number of Connectable Indoor Units Number of Operatable Indoor Units Voltage Rating 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 Refrigerant...
...electrical rating section above are : Cooling : Indoor air temp. 80°F D.B./ 67°F W.B. Outdoor Unit CLM2472 Indoor Unit KMS0972 × 3 Type Number of Connectable Indoor Units Number of Operatable Indoor Units Voltage Rating 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 Refrigerant...
Service Manual
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.... Remarks: 1. Rating conditions are based on the following unit combination. Outdoor Unit CLM2472 Indoor Unit KMS0972 × 3 Type Number of Connectable Indoor Units Number of Operatable Indoor Units Voltage Rating 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 Refrigerant / Amount...
.... Remarks: 1. Rating conditions are based on the following unit combination. Outdoor Unit CLM2472 Indoor Unit KMS0972 × 3 Type Number of Connectable Indoor Units Number of Operatable Indoor Units Voltage Rating 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 Refrigerant / Amount...
Service Manual
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... 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 Main accumulator accumulator High pressure switch H.P. To prevent heat loss and wet floors due to break or crack. Outdoor Unit CLM2472 Indoor 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...
... 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 Main accumulator accumulator High pressure switch H.P. To prevent heat loss and wet floors due to break or crack. Outdoor Unit CLM2472 Indoor 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...
Service Manual
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... a compressor is fixed. 37 Outdoor Unit : CLM2472 Indoor Unit : KMS0972 × 3 Power Supply : 230V Single Phase 60Hz < Cooling Capacity > RATING CAPACITY: INDOOR ENT. Above data does not take Freeze Prevention Protection during cooling operation into account. For this reason, the value may vary from the actual cooling characteristics. 3. oF (oC) W.B. Rating conditions (#) : Indoor Unit Entering Air Temp. 80 °F (26.7 °C) D.B. / 67 °F (19.4 °C) W.B. : Outdoor Ambient Temp. 95 °F (35 °C) D.B. 2. D.B. 25,400 BTU...
... a compressor is fixed. 37 Outdoor Unit : CLM2472 Indoor Unit : KMS0972 × 3 Power Supply : 230V Single Phase 60Hz < Cooling Capacity > RATING CAPACITY: INDOOR ENT. Above data does not take Freeze Prevention Protection during cooling operation into account. For this reason, the value may vary from the actual cooling characteristics. 3. oF (oC) W.B. Rating conditions (#) : Indoor Unit Entering Air Temp. 80 °F (26.7 °C) D.B. / 67 °F (19.4 °C) W.B. : Outdoor Ambient Temp. 95 °F (35 °C) D.B. 2. D.B. 25,400 BTU...
Service Manual
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... cooling operation into account. D.B. 25,400 BTU/h TC AIR FLOW RATE: OUTDOOR AMBIENT TEMP. Above data represents the value when the operation frequency of a compressor is fixed. 40 For this reason, the value may vary from the actual cooling characteristics. 2. Outdoor Unit : CLM2472 Indoor Unit : KMS0972 × 3 Power Supply : 230V Single Phase 60Hz < Cooling Capacity (Low Ambient) > RATING CAPACITY: INDOOR ENT. oF (oC) 20 (-6.7) 25 (-3.9) 35 (1.7) 25,460 25,470 25,520 883 CFM 45 (7.2) 25,730 55 (12.8) 25...
... cooling operation into account. D.B. 25,400 BTU/h TC AIR FLOW RATE: OUTDOOR AMBIENT TEMP. Above data represents the value when the operation frequency of a compressor is fixed. 40 For this reason, the value may vary from the actual cooling characteristics. 2. Outdoor Unit : CLM2472 Indoor Unit : KMS0972 × 3 Power Supply : 230V Single Phase 60Hz < Cooling Capacity (Low Ambient) > RATING CAPACITY: INDOOR ENT. oF (oC) 20 (-6.7) 25 (-3.9) 35 (1.7) 25,460 25,470 25,520 883 CFM 45 (7.2) 25,730 55 (12.8) 25...
Service Manual
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... 3] [Trouble symptom 4] [Trouble symptom 5] Motor rotates for (3) in the table below, the DC motor will trip and voltage output will stop approximately 10 seconds after operation is trouble in Test Run mode. [Trouble symptom 1] The fan does not stop when the outdoor unit stops. Perform the trouble diagnosis by Test Run mode described on the outdoor unit controller (3 locations). For this reason, to measure the voltage again, first turn OFF the outdoor unit power...
... 3] [Trouble symptom 4] [Trouble symptom 5] Motor rotates for (3) in the table below, the DC motor will trip and voltage output will stop approximately 10 seconds after operation is trouble in Test Run mode. [Trouble symptom 1] The fan does not stop when the outdoor unit stops. Perform the trouble diagnosis by Test Run mode described on the outdoor unit controller (3 locations). For this reason, to measure the voltage again, first turn OFF the outdoor unit power...
Service Manual
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.... Then, after evacuation, totally recharge the specified amount of the remaining refrigerant. Thus, always charge the refrigerant while it is charged while the refrigerant is a refrigerant leak the basic performance of the air conditioner may be degraded if it is New Refrigerant R410A? CAUTION Ether-type oil is used for compressor oil for R410A-type units, which is different from the mineral oil used , the composition will differ depending...
.... Then, after evacuation, totally recharge the specified amount of the remaining refrigerant. Thus, always charge the refrigerant while it is charged while the refrigerant is a refrigerant leak the basic performance of the air conditioner may be degraded if it is New Refrigerant R410A? CAUTION Ether-type oil is used for compressor oil for R410A-type units, which is different from the mineral oil used , the composition will differ depending...
Service Manual
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... CLM2472 CLM3172 Combine indoor and outdoor units only as listed below. 1. Power Source: 60 Hz, single-phase, 230 / 208 VAC Be sure to read the yellow instruction sheet attached to the Terminal 5-5. Accessories Supplied with a Flare Tool 3-4. Indoor Unit 2-2. INSTALLATION SITE SELECTION 4 2-1. Use of Outdoor Unit Installation 3. How to Connect Wiring to the outdoor unit for the Outdoor Unit Outdoor unit Indoor unit D 6. Wiring Instructions for models using the new refrigerant R410A. Inverter Multi Split System Air Conditioner - COOL/DRY Model This air...
... CLM2472 CLM3172 Combine indoor and outdoor units only as listed below. 1. Power Source: 60 Hz, single-phase, 230 / 208 VAC Be sure to read the yellow instruction sheet attached to the Terminal 5-5. Accessories Supplied with a Flare Tool 3-4. Indoor Unit 2-2. INSTALLATION SITE SELECTION 4 2-1. Use of Outdoor Unit Installation 3. How to Connect Wiring to the outdoor unit for the Outdoor Unit Outdoor unit Indoor unit D 6. Wiring Instructions for models using the new refrigerant R410A. Inverter Multi Split System Air Conditioner - COOL/DRY Model This air...
Service Manual
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... system. When Connecting Refrigerant Tubing • Use the flare method for leaks before opening the unit to the matching surfaces of wiring have been left inside a room to prevent "sweating" that is leaking. When Servicing • Turn the power OFF at connection points and a possible fire hazard. G Follow each installation or repair step exactly as shown. Get a partner to help for a special problem, contact our sales...
... system. When Connecting Refrigerant Tubing • Use the flare method for leaks before opening the unit to the matching surfaces of wiring have been left inside a room to prevent "sweating" that is leaking. When Servicing • Turn the power OFF at connection points and a possible fire hazard. G Follow each installation or repair step exactly as shown. Get a partner to help for a special problem, contact our sales...
Service Manual
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... locations. NO Hot air Exhaust fan Heat source Outdoor unit Obstacle above ground level to bolt down unit, reducing vibration and noise. G choose a place that the fan of 6" (15 cm) above Air discharge Obstacle Fig. 5a Min. G allow enough room around the unit for models CLM1972, CLM2472 and CLM3172. Air discharge Min. 4" (10 cm) 1'8" (50 cm) Fig. 5b Ground Min. 6" (15 cm) Air intake Drain holes G Install cushion rubber under unit...
... locations. NO Hot air Exhaust fan Heat source Outdoor unit Obstacle above ground level to bolt down unit, reducing vibration and noise. G choose a place that the fan of 6" (15 cm) above Air discharge Obstacle Fig. 5a Min. G allow enough room around the unit for models CLM1972, CLM2472 and CLM3172. Air discharge Min. 4" (10 cm) 1'8" (50 cm) Fig. 5b Ground Min. 6" (15 cm) Air intake Drain holes G Install cushion rubber under unit...
Service Manual
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... no leakage, stop the air conditioner. (15) Wipe off the soap on the wide tube side of tubes A, B, C, and D, and immediately stop after 5 - 10 minutes of the A/C, request this point, pump-down to prevent gas from leaking from an appropriate agent. Perform pump-down procedure (1) Fully close the spindles at the outdoor unit. The refrigerant gas cannot be performed during heating operation.
... no leakage, stop the air conditioner. (15) Wipe off the soap on the wide tube side of tubes A, B, C, and D, and immediately stop after 5 - 10 minutes of the A/C, request this point, pump-down to prevent gas from leaking from an appropriate agent. Perform pump-down procedure (1) Fully close the spindles at the outdoor unit. The refrigerant gas cannot be performed during heating operation.
Service Manual
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... electrical codes. ing up numbers on running the wire from the indoor unit to the outdoor unit (size of electric shock, each air conditioner unit must be required by high tension. G Place a dedicated ground more than 3'4" (1 m) from the outdoor unit. G Be sure to connect the power supply line to the outdoor unit as shown in order to connect power wires correctly match- CAUTION Always comply with national and local code requirements. 3 indoor units...
... electrical codes. ing up numbers on running the wire from the indoor unit to the outdoor unit (size of electric shock, each air conditioner unit must be required by high tension. G Place a dedicated ground more than 3'4" (1 m) from the outdoor unit. G Be sure to connect the power supply line to the outdoor unit as shown in order to connect power wires correctly match- CAUTION Always comply with national and local code requirements. 3 indoor units...
Service Manual
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... holds true Rated cooling capacity of CLM1972 outdoor unit: C=19700 (BTU/h) Rated cooling capacity of indoor units: K1, K2, ... (BTU/h) Then: C x 2 (200%) K1 + K2 + ....... 19700 x 2 7500 + 11900 + 17500 39400 36900 It is therefore possible to the user. 3-Room Outdoor Unit Combination Table CLM1972 The combinations of the 3 indoor units to match one indoor unit to be connected to operate the air conditioning system only when 2 or more indoor units have been installed. However, since...
... holds true Rated cooling capacity of CLM1972 outdoor unit: C=19700 (BTU/h) Rated cooling capacity of indoor units: K1, K2, ... (BTU/h) Then: C x 2 (200%) K1 + K2 + ....... 19700 x 2 7500 + 11900 + 17500 39400 36900 It is therefore possible to the user. 3-Room Outdoor Unit Combination Table CLM1972 The combinations of the 3 indoor units to match one indoor unit to be connected to operate the air conditioning system only when 2 or more indoor units have been installed. However, since...
Service Manual
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Conditions: 1. CAUTION In this case, all the indoor units installed must not be no more than 200% of the rated cooling capacity of the outdoor unit. Otherwise, the air conditioner may not run properly and trouble may result in the 3-room operation column of Table 2. In addition to the combinations listed in Table 1 and Table 2 are satisfied. Pub. The total rated cooling capacity of the indoor units to be...
Conditions: 1. CAUTION In this case, all the indoor units installed must not be no more than 200% of the rated cooling capacity of the outdoor unit. Otherwise, the air conditioner may not run properly and trouble may result in the 3-room operation column of Table 2. In addition to the combinations listed in Table 1 and Table 2 are satisfied. Pub. The total rated cooling capacity of the indoor units to be...
Service Manual
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.... The table lists the wall-mounted type of 4 indoor units prohibited) This multi outdoor unit allows up to four indoor units to three indoor units may not run properly. < Combinations of operatable indoor units > Voltage Rating : 230V 60Hz CLM2472 (Rated cooling capacity at 230V: 25400 BTU/h) NOTE 7500 : KMS0772 9000 : KMS0972 11900 : KMS1272 17500 : KMS1872 24200 : KMS2472 Table 1 Indoor Unit Capacity (BTU/h) Indoor Unit Combination COOLING Room Room Room Room Total Performance A B C D Capacity ( Min. - Otherwise, the air conditioner may be operated concurrently.
.... The table lists the wall-mounted type of 4 indoor units prohibited) This multi outdoor unit allows up to four indoor units to three indoor units may not run properly. < Combinations of operatable indoor units > Voltage Rating : 230V 60Hz CLM2472 (Rated cooling capacity at 230V: 25400 BTU/h) NOTE 7500 : KMS0772 9000 : KMS0972 11900 : KMS1272 17500 : KMS1872 24200 : KMS2472 Table 1 Indoor Unit Capacity (BTU/h) Indoor Unit Combination COOLING Room Room Room Room Total Performance A B C D Capacity ( Min. - Otherwise, the air conditioner may be operated concurrently.
Service Manual
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Otherwise, the air conditioner may be operated concurrently. However, all four indoor units must not be connected. The table lists the wall-mounted type of 4 indoor units prohibited) This multi outdoor unit allows up to four indoor units to three indoor units may not run properly. Max. ) Single-room Operation 2-room Operation 3-room Operation 7500 9000 11900 17500 24200 7500 + 7500 + 7500 + 7500 + 7500 + 9000 + 9000 + 9000 + 9000 + 11900 + 11900 + 11900 + 17500 + 7500 + 7500 + 7500...
Otherwise, the air conditioner may be operated concurrently. However, all four indoor units must not be connected. The table lists the wall-mounted type of 4 indoor units prohibited) This multi outdoor unit allows up to four indoor units to three indoor units may not run properly. Max. ) Single-room Operation 2-room Operation 3-room Operation 7500 9000 11900 17500 24200 7500 + 7500 + 7500 + 7500 + 7500 + 9000 + 9000 + 9000 + 9000 + 11900 + 11900 + 11900 + 17500 + 7500 + 7500 + 7500...
Service Manual
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... unit installed, the returning fluid to connect 4 units with respective capacities of those units which can be operated concurrently. at 230V If the following holds true Rated cooling capacity of CLM3172 outdoor unit: C=28600 (BTU/h) Rated cooling capacity of Table 2. At a time like this combination is not acceptable for only one indoor unit to the multi outdoor unit. OI-85264180829002 © SANYO 2008 NOTE Be sure to operate the air conditioning...
... unit installed, the returning fluid to connect 4 units with respective capacities of those units which can be operated concurrently. at 230V If the following holds true Rated cooling capacity of CLM3172 outdoor unit: C=28600 (BTU/h) Rated cooling capacity of Table 2. At a time like this combination is not acceptable for only one indoor unit to the multi outdoor unit. OI-85264180829002 © SANYO 2008 NOTE Be sure to operate the air conditioning...