Related Manuals for AirQ MSM-09HRN1
Summary of Contents for AirQ MSM-09HRN1
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Page 1: Service Manual
SERVICE MANUAL AirQ AIRCONDITIONER MULTI SPLIT TYPE MSM-09HRN1 MSM-12HRN1 MSM-30HRN1 V1.0 Dec, 2007... -
Page 2: Table Of Contents
4/8/2008R series service manual Multi SERIES 1. Features ……………………………………………………………………….2 2. Function ……………………………………………………………………….2 3. Specification …………………………………………………………………..3 4. Dimensions ……………………………………………………………………6 5. Refrigeration cycle diagram …………………………………………………8 6. Wiring diagram ………………………………………………………………..9 7. Troubleshooting ……………………………………………………………….12 8. Electronic function …………………………………………………………….14 9. Characteristic of temp. sensor ……………………………………………..20 PAGE 1 OF 20... -
Page 3: Features
4/8/2008R series service manual 1. Features 1.1 Universal outdoor unit and indoor unit design 1.2 R410a refrigerant; Cooling & heating units 1.3 The indoor unit combination is as follow list: OUTDOOR UNIT MODEL INDOOR UNIT COMBINATION MSM-18HRN1 9K×2 MSM-21HRN1 9K+12K MSM-27HRN1 9K×3 MSM-30HRN1... -
Page 4: Specification
The hydrophilic fin can improve the heating efficiency at operation mode. 4 way valve control It is only operated in the heating operation mode except defrosting operation. Discharge pipe temperature protect Anti-rust cabinet 3. Specification 3.1 Indoor unit Model MSM-09HRN1 MSM-12HRN1 Power supply Ph-V-Hz 1ph-220-224V~-50Hz 1ph-220-224V~-50Hz Capacity Btu/h... -
Page 5: Outdoor Unit
4/8/2008R series service manual Ф6.35/Ф9.53 Ф6.35/φ12.7 Liquid side/ Gas side 3.2 Outdoor unit Outdoor Model MSM-18HRN1 MSM-21HRN1 Power supply Ph-V-Hz 1Ph,220-240V~,50Hz 1Ph,220-240V~,50Hz Capacity Btu/h 18000 21000 Capacity 5275 6155 Cooling Input 1680 2000 Rated current 3.04 Capacity Btu/h 20000 24000 Capacity 5862 7034... - Page 6 4/8/2008R series service manual Thermostat type Electronic control ℃ Operation temp 17-30 ℃ Ambient temp 18~43(cooling); -7~24(heating) Outdoor Model MSM-27HRN1 MSM-30HRN1 Power supply Ph-V-Hz 1Ph,220-240V~,50Hz 1Ph,220-240V~,50Hz Capacity Btu/h 27000 30000 Capacity 7913 8792 Cooling Input 2570 2880 Rated current 13.1 13.7 3.03 3.02...
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Page 7: Dimensions
4/8/2008R series service manual Thermostat type Electronic control ℃ Operation temp 17-30 ℃ Ambient temp 18~43(cooling); -7~24(heating) 4 Dimension 4.1 Indoor unit dimension Dimension Mode PAGE 6 OF 20... - Page 8 4/8/2008R series service manual 4.2 Outdoor unit dimension a) Outdoor unit 18K/21K b) Outdoor unit 27K/30K PAGE 7 OF 20...
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Page 9: Refrigeration Cycle Diagram
4/8/2008R series service manual 5. Refrigeration cycle diagram “1 drives 3 system” is made up of one “1 drive 1 system” and one “1 drive 2 system”. PMV1 PMV2 2＃ 1＃ Compressor refrigeration distributor 1 drive 2 system SV1： Primary four-way valve SV2：... -
Page 10: Wiring Diagram
4/8/2008R series service manual 6. Wiring diagram 6.1 Indoor unit PAGE 9 OF 20... - Page 11 4/8/2008R series service manual 6.2 Outdoor unit For 1 drive 2 outdoor unit PAGE 10 OF 20...
- Page 12 4/8/2008R series service manual For 1 drive 3 outdoor unit PAGE 11 OF 20...
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Page 13: Troubleshooting
4/8/2008R series service manual 7. Troubleshooting 7.1 Indoor unit Failure phenomenon Operation lamp Timer lamp ☆ Indoor fan speed has been out of control for over 1 minute Indoor room temp. Sensor or evaporator temp. Sensor is open circuit ☆ or short circuit ☆... -
Page 14: Eeprom Error
4/8/2008R series service manual Is the indoor fan motor Repair connector connector and connection reconnect good? Is voltage being applied to the fan motor? Indoor defective. (rang 90v-160v between mid Replace the indoor PCB. pin and N on CN1 Replace the indoor fan motor 7.3.2 Indoor room temp. - Page 15 4/8/2008R series service manual Is the temp. more than 65°C ? Is the temp sensor right according to the annex 1 Replace the outdoor main board Replace the temp sensor 7.2.6 Temp. Sensor in condenser is open circuit or short circuit Is the outdoor temperature Repair connector...
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Page 16: Electronic Function
4/8/2008R series service manual 8 Electronic functions Electric Control working environment 8.1.1 Input voltage: 175~253V 8.1.2 Input power frequency: 50Hz/60Hz 8.1.3 Ambient temperature: -7°C~+43°C 8.1.4 Indoor fan normal working amp is less than 1A, 8.1.5 Outdoors fan normal working amp is less than 1.5A 8.1.6 Four-way valve normal working amp is less than 1A. - Page 17 4/8/2008R series service manual 8.3 Systematic functions. Remote receiving. Testing and forced run. Position set for indoor unit wind vane. LED display and alarm. On or off Timer. Protection for the compressor. High temperature protection of indoor heat exchanger in heating mode. Auto defrosting and heating recovery under heating mode.
- Page 18 4/8/2008R series service manual T< TE6 >5 Minutes Temp. down T> TE5 T< TE5 >5 Minutes Condenser high-temperature protection under heating mode T3 >65℃,turn off compressor. TE5: Evaporator low temperature protection entering temperature TE6: Evaporator low temperature protection restoring temperature Dehumidifying mode 8.7.1 The 4-way valve is off in dehumidifying mode 8.7.2 Compressor and Indoor Fan actions in dehumidifying mode...
- Page 19 4/8/2008R series service manual TE>TE2 Setting fan speed Indoor exchanger temp. down TE> TE3 Setting fan speed TE3<TE<TE4 Breeze TE<TE4 TE: Indoor evaporator temperature TE1: Anti-cold wind, from Fan Off to Breeze temperature TE2: Anti-cold wind, from Breeze to Setting Fan Speed temperature TE3: Anti-cold wind, from Setting Fan Speed to Breeze temperature TE4: Anti-cold wind, from Breeze to Fan Off temperature 8.8.5 Auto wind under heating mode...
- Page 20 4/8/2008R series service manual Compressor 4-way Valve Outdoor Fan 8.10 Automatic operation mode 8.10.1 The air conditioner automatically selects one of the following operation modes: cooling, heating or ventilation according to the difference between room temp. (TA) and set temp. (TS).
- Page 21 4/8/2008R series service manual The set temperature rise 1℃ per hour. Two hours later, the set temperature will maintain as a constant and the air circulation is kept at low speed. 8.14.3 Heating: The set temperature decrease 1℃ per hour. Two hours later, the set temperature will maintain as a constant and the air circulation is kept at low speed (Cold air proof function takes precedence over all).
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Page 22: Characteristic Of Temp. Sensor
4/8/2008R series service manual 9 Characteristic of temp. sensor Temp.℃ Resistance K Temp.℃ Resistance K Temp.℃ Resistance K 62.2756 14.6181 4.3874 58.7079 13.918 4.2126 56.3694 13.2631 4.0459 52.2438 12.6431 3.8867 49.3161 12.0561 3.7348 46.5725 11.5 3.5896 10.9731 3.451 41.5878 10.4736 3.3185 39.8239 3.1918...
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