Service Manual
Page 14
... 8.3°C(46.94°F)DB/6.1°C(42.98°F)WB -Interconnecting Piping Length 7.5m -Level Difference of Connectable Indoor Units Compressor Type (Constant) Model Motor Type Quantity Ea Motor Input W Oil Charge cc Oil Type Capacitor µF/Vac O.L.P Type(model name... Net Capacities. 3. # : See the page "Combination Table" 4. of innovation some specifications may be changed without notification. 14 Multi type Air Conditioner A2UH243FA0(LMU240HE) 9,000~24,000 2637~7033 2267~6037 9,000~24,000 2637~7033 2267~6037 1170~2390 1220~2440 7.7~10.1 7.4~9.8 1,208/230,60 2 Rotary ...
... 8.3°C(46.94°F)DB/6.1°C(42.98°F)WB -Interconnecting Piping Length 7.5m -Level Difference of Connectable Indoor Units Compressor Type (Constant) Model Motor Type Quantity Ea Motor Input W Oil Charge cc Oil Type Capacitor µF/Vac O.L.P Type(model name... Net Capacities. 3. # : See the page "Combination Table" 4. of innovation some specifications may be changed without notification. 14 Multi type Air Conditioner A2UH243FA0(LMU240HE) 9,000~24,000 2637~7033 2267~6037 9,000~24,000 2637~7033 2267~6037 1170~2390 1220~2440 7.7~10.1 7.4~9.8 1,208/230,60 2 Rotary ...
Service Manual
Page 31
... Indoor B-UNIT NOTICE : 1. Remove the cover control from the indoor unit to the outdoor unit(size of withstanding temperature up to touch refrigerant tubing, the compressor or any moving parts. Connecting the Cable between indoor and outdoor unit. (For example, Type SJO-WA) WARNING: • Be sure to comply with the...
... Indoor B-UNIT NOTICE : 1. Remove the cover control from the indoor unit to the outdoor unit(size of withstanding temperature up to touch refrigerant tubing, the compressor or any moving parts. Connecting the Cable between indoor and outdoor unit. (For example, Type SJO-WA) WARNING: • Be sure to comply with the...
Service Manual
Page 39
... valves are installed correctly. Reattach the cover by pulling it leads to the hose, secure the unit with a nail or wire assuming the influence of compressor. Measure the temperature of the intake and discharge of the gas side service valve. NOTE: • Use 2 AAA(1.5volt) batteries. I .G.) Intake temperature Discharge air Discharge...
... valves are installed correctly. Reattach the cover by pulling it leads to the hose, secure the unit with a nail or wire assuming the influence of compressor. Measure the temperature of the intake and discharge of the gas side service valve. NOTE: • Use 2 AAA(1.5volt) batteries. I .G.) Intake temperature Discharge air Discharge...
Service Manual
Page 40
...Indicator • On while in sleep timer mode, off when sleep timer cancel or appliance operation pause Timer Indicator • On while in compressor running, operating with the airflow speed set according to operate again. I Cooling Mode Operation • When the intake air temperature reaches 0.5°...;C(32.9°F) below the setting temp, the compressor and the outdoor fan stop. • When it reaches 0.5°C(32.9°F) above the setting temp, they start to the intake air ...
...Indicator • On while in sleep timer mode, off when sleep timer cancel or appliance operation pause Timer Indicator • On while in compressor running, operating with the airflow speed set according to operate again. I Cooling Mode Operation • When the intake air temperature reaches 0.5°...;C(32.9°F) below the setting temp, the compressor and the outdoor fan stop. • When it reaches 0.5°C(32.9°F) above the setting temp, they start to the intake air ...
Service Manual
Page 41
...°C(69.8°F) ≤ Inatake Air Temp I Fuzzy Operation • When any of operation mode is not selected like the moment of compressor. I Defrost Control(Heating) • Defrost operation is controlled by timer and sensing temperature of outdoor pipe. • The first defrost starts ...pipe temperature falls below -6°C(21.2°F) after 35 minutes passed from starting of heating operation and more than 4 minutes operation of compressor. • Defrost ends after 12 minutes passed from starting of defrost operation when the outdoor pipe temperature rises over 15°C(59...
...°C(69.8°F) ≤ Inatake Air Temp I Fuzzy Operation • When any of operation mode is not selected like the moment of compressor. I Defrost Control(Heating) • Defrost operation is controlled by timer and sensing temperature of outdoor pipe. • The first defrost starts ...pipe temperature falls below -6°C(21.2°F) after 35 minutes passed from starting of heating operation and more than 4 minutes operation of compressor. • Defrost ends after 12 minutes passed from starting of defrost operation when the outdoor pipe temperature rises over 15°C(59...
Service Manual
Page 42
...;F) 24°C(75.2°F) ≤ Intake Air Temp When 0.5°C(32.9°F) or more below the setting temp, the compressor is turned on. Compressor ON Temp ➲ Setting Temp + 0.5°C(32.9°F) Compressor OFF Temp ➲ Setting Temp+0.5°C(32.9°F) • At the beginning of Fuzzy mode operation, the setting temperature is...
...;F) 24°C(75.2°F) ≤ Intake Air Temp When 0.5°C(32.9°F) or more below the setting temp, the compressor is turned on. Compressor ON Temp ➲ Setting Temp + 0.5°C(32.9°F) Compressor OFF Temp ➲ Setting Temp+0.5°C(32.9°F) • At the beginning of Fuzzy mode operation, the setting temperature is...
Service Manual
Page 47
Operating Step • Compressor step varies considering condition such as room temp,outdoor temp, operating room number,Temp gap between room temp and set temp and so on responding ...
Operating Step • Compressor step varies considering condition such as room temp,outdoor temp, operating room number,Temp gap between room temp and set temp and so on responding ...
Service Manual
Page 66
... 2. When the room air humidity is relatively lower temperature difference is usually 4.5~6.0 kg/cm2G at the beginning of refrigeration cycle Defective compressor Temp. The suction pressure is larger. 2. Troubleshooting Guide Cycle Troubleshooting Guide Trouble analysis 1. Temp. Temp. The temperature can be ... pressure tubing and wrap it with the normal value) High Normal Lower Higher Cause of Trouble Defective compressor Excessive amount of refrigerant Insufficient amount of refrigeration cycle. Check temperature difference between intake and discharge air depends on room ...
... 2. When the room air humidity is relatively lower temperature difference is usually 4.5~6.0 kg/cm2G at the beginning of refrigeration cycle Defective compressor Temp. The suction pressure is larger. 2. Troubleshooting Guide Cycle Troubleshooting Guide Trouble analysis 1. Temp. Temp. The temperature can be ... pressure tubing and wrap it with the normal value) High Normal Lower Higher Cause of Trouble Defective compressor Excessive amount of refrigerant Insufficient amount of refrigeration cycle. Check temperature difference between intake and discharge air depends on room ...
Service Manual
Page 68
...key) inside the remote controller door is fault, it is set to operate temperature regulating(L / M) and wind speed selecting. When the compressor stopped Indoor Fan is displayed in the Sleeping Mode, the wind speed is impossible to the low speed as force.) Caused by a low... between CN1 DC +5V Check the Display PWB Ass'y • Check receiver ass'y 68 Multi type Air Conditioner While the compressor has been stopped, the compressor does not operate owing to the delaying function for 3 minutes after stopped. Troubleshooting Guide Trouble 2 Product doesn't operate with the...
...key) inside the remote controller door is fault, it is set to operate temperature regulating(L / M) and wind speed selecting. When the compressor stopped Indoor Fan is displayed in the Sleeping Mode, the wind speed is impossible to the low speed as force.) Caused by a low... between CN1 DC +5V Check the Display PWB Ass'y • Check receiver ass'y 68 Multi type Air Conditioner While the compressor has been stopped, the compressor does not operate owing to the delaying function for 3 minutes after stopped. Troubleshooting Guide Trouble 2 Product doesn't operate with the...
Service Manual
Page 69
... power. Check Point Between Micom(No. 50,51) and GND Between IC01M(No. 10) and GND Comp. When in bad connection or are not engaged, Compressor/Outdoor fan is stopped. • Check the related circuit of R01H(1K), R02H(1K), R03H(1K), R04H(1K), Micom(pin No. 74 , 75 , 76 ..., 77 ). • Check the Indoor temperature sensor is disconnected or not (about 10K at least. Service Manual 69 Check the sensor for driving Compressor. • Check the voltage between Indoor and Outdoor. Check the Relay(RY-PWR, RY-START) for Indoor temperature is attatched as close as to connect...
... power. Check Point Between Micom(No. 50,51) and GND Between IC01M(No. 10) and GND Comp. When in bad connection or are not engaged, Compressor/Outdoor fan is stopped. • Check the related circuit of R01H(1K), R02H(1K), R03H(1K), R04H(1K), Micom(pin No. 74 , 75 , 76 ..., 77 ). • Check the Indoor temperature sensor is disconnected or not (about 10K at least. Service Manual 69 Check the sensor for driving Compressor. • Check the voltage between Indoor and Outdoor. Check the Relay(RY-PWR, RY-START) for Indoor temperature is attatched as close as to connect...
Service Manual
Page 74
... tropical model case ➔ single cycle has no error for over capacity. 74 Multi type Air Conditioner Check the indoor unit capacity. 2. Check the constant compressor.
... tropical model case ➔ single cycle has no error for over capacity. 74 Multi type Air Conditioner Check the indoor unit capacity. 2. Check the constant compressor.
Service Manual
Page 77
... valve. - Open the Low-handle valve on the gauge slightly to operate the valve stems. 6. otherwise Low pressure S/W detect low pressure skete and stops the compressor. Be sure to use a hexagonal wrench to air purge from the hose. 5. Operate the unit for gas leakage. 4. Confirm that both the gas side and...
... valve. - Open the Low-handle valve on the gauge slightly to operate the valve stems. 6. otherwise Low pressure S/W detect low pressure skete and stops the compressor. Be sure to use a hexagonal wrench to air purge from the hose. 5. Operate the unit for gas leakage. 4. Confirm that both the gas side and...
Service Manual
Page 85
Exploded View & Replacement Parts List Parts List (A2UH243FA0(LMU240HE), A2UC243FA0 (LMU240CE)) Location No. Service Manual 85 SVC A2UH243FA0(LMU240HE) A2UC243FA0 (LMU240CE) CODE 437210 PANEL ASSEMBLY,FRONT(SUB) 1A00197C 1A00197C R...5403A20022T R 546810 MOTOR,UNCLASSIFIED 4681A20008E 4681A20008E R 559010 FAN ASSEMBLY,PROPELLER 1A00195B 1A00195B R 554160-1 COMPRESSOR SET, KOREA(LEFT) 2520UGHK2AA(GK141KAA) 2520UGHK2AA(GK141KAA) R 554160-2 COMPRESSOR SET,KOREA(RIGHT) 2520UGJK2AA(GK094KAA) 2520UGJK2AA(GK094KAA) R 447910 BARRIER ASSEMBLY,OUTDOOR 4791A30004H 4791A30004H R ...
Exploded View & Replacement Parts List Parts List (A2UH243FA0(LMU240HE), A2UC243FA0 (LMU240CE)) Location No. Service Manual 85 SVC A2UH243FA0(LMU240HE) A2UC243FA0 (LMU240CE) CODE 437210 PANEL ASSEMBLY,FRONT(SUB) 1A00197C 1A00197C R...5403A20022T R 546810 MOTOR,UNCLASSIFIED 4681A20008E 4681A20008E R 559010 FAN ASSEMBLY,PROPELLER 1A00195B 1A00195B R 554160-1 COMPRESSOR SET, KOREA(LEFT) 2520UGHK2AA(GK141KAA) 2520UGHK2AA(GK141KAA) R 554160-2 COMPRESSOR SET,KOREA(RIGHT) 2520UGJK2AA(GK094KAA) 2520UGJK2AA(GK094KAA) R 447910 BARRIER ASSEMBLY,OUTDOOR 4791A30004H 4791A30004H R ...