Service Manual
Page 2
... Checking method ...36 Evacuation...37 Charging ...38 Test Running ...39 Operation ...40 Function of control...40 Function of Indoor Unit ...45 Function of Outdoor Unit ...47 Remote Control Operation ...48 Disassembly ...49 Indoor Unit...49 Schematic Diagram...54 Electronic Control Device ...54 Wiring Diagram...58 Components Locations...59 Troubleshooting Guide ...64 Refrigeration Cycle Diagram...
... Checking method ...36 Evacuation...37 Charging ...38 Test Running ...39 Operation ...40 Function of control...40 Function of Indoor Unit ...45 Function of Outdoor Unit ...47 Remote Control Operation ...48 Disassembly ...49 Indoor Unit...49 Schematic Diagram...54 Electronic Control Device ...54 Wiring Diagram...58 Components Locations...59 Troubleshooting Guide ...64 Refrigeration Cycle Diagram...
Service Manual
Page 10
... serious health issues. If the liquid from the product. Clean the filter every two weeks or more often if necessary. injury. Do not use the remote if the batteries have leaked. • The chemicals in the remote control with clean water.
... serious health issues. If the liquid from the product. Clean the filter every two weeks or more often if necessary. injury. Do not use the remote if the batteries have leaked. • The chemicals in the remote control with clean water.
Service Manual
Page 15
Installation Parts Installation plate Type "B" screw Installation Type "A" screw and plastic anchor Remote Control Holder Installation Tools Figure Name Screw driver Electric Drill Measuring Tape, Knife Hole Core Drill Spanner Torque wrench Figure Name Ohmmeter Hexagonal wrench Ammeter Gas Leak Detector Thermometer, Level Flaring Tool Set Service Manual 15 Installation Read carefully, and then follow step by step.
Installation Parts Installation plate Type "B" screw Installation Type "A" screw and plastic anchor Remote Control Holder Installation Tools Figure Name Screw driver Electric Drill Measuring Tape, Knife Hole Core Drill Spanner Torque wrench Figure Name Ohmmeter Hexagonal wrench Ammeter Gas Leak Detector Thermometer, Level Flaring Tool Set Service Manual 15 Installation Read carefully, and then follow step by step.
Service Manual
Page 28
...rechargeable batteries, such batteries differ from standard dry cells in shape, dimensions, and performance. • Romove the batteries from the remote controller. • Slide the cover according to be used for some long time. 28 Multi type Air Conditioner Flaring Work and Connection of Piping... REMOTE CONTROL PREPARATION(OPTIONAL) HOW TO MOUNT ONTO A WALL HOW TO INSERT BATTERIES Remove the battery cover from the remote controller if the air conditioner is not going to the arrow direction.
...rechargeable batteries, such batteries differ from standard dry cells in shape, dimensions, and performance. • Romove the batteries from the remote controller. • Slide the cover according to be used for some long time. 28 Multi type Air Conditioner Flaring Work and Connection of Piping... REMOTE CONTROL PREPARATION(OPTIONAL) HOW TO MOUNT ONTO A WALL HOW TO INSERT BATTERIES Remove the battery cover from the remote controller if the air conditioner is not going to the arrow direction.
Service Manual
Page 39
...: • Use 2 AAA(1.5volt) batteries. Do not use rechargeable batteries. • Remove the batteries from the remote controller if the sys- Measure the temperature of the intake and discharge of battery are fully open. 1) Prepare remote controller Remove the battery cover by pushing it according to the trouble of the gas side service valve...
...: • Use 2 AAA(1.5volt) batteries. Do not use rechargeable batteries. • Remove the batteries from the remote controller if the sys- Measure the temperature of the intake and discharge of battery are fully open. 1) Prepare remote controller Remove the battery cover by pushing it according to the trouble of the gas side service valve...
Service Manual
Page 40
s Soft Dry Operation Mode • When the dehumidification operation input by the remote control. Operation Operation Function of the setting. While compressor is off when timer mode is automatically set by the remote control is received, the intake air temperature is detected and the setting temp is completed or canceled Defrost Indicator • Off except...
s Soft Dry Operation Mode • When the dehumidification operation input by the remote control. Operation Operation Function of the setting. While compressor is off when timer mode is automatically set by the remote control is received, the intake air temperature is detected and the setting temp is completed or canceled Defrost Indicator • Off except...
Service Manual
Page 42
When 0.5°C(32.9°F) or more below the setting temp, the compressor is turned on. Operation 2) Fuzzy Operation for Dehumidification • According to the intake air temp at that time. 26°C(78.8°F) ≤ Intake Air Temp ➲ 25°C(77°F) 24°C(75.2°F) ≤ Intake Air Temp 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 automatically selected according to the setting ...
When 0.5°C(32.9°F) or more below the setting temp, the compressor is turned on. Operation 2) Fuzzy Operation for Dehumidification • According to the intake air temp at that time. 26°C(78.8°F) ≤ Intake Air Temp ➲ 25°C(77°F) 24°C(75.2°F) ≤ Intake Air Temp 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 automatically selected according to the setting ...
Service Manual
Page 43
s Sleep Timer Operation • When the sleep time is reached after is input by the remote control while in cooling mode operation, 30 min later since the start of the appliance stops. • While the appliance is on the memory. s Auto Restarting ... is operated at cooling mode operation. • In the Jet Cool mode operation, the room temperature is controlled to the set time. Operation • If the appliance is on /off time is input by the remote control, the on pause at the time set by 1°C(33.8°F). randomly by 1°C(33.8°...
s Sleep Timer Operation • When the sleep time is reached after is input by the remote control while in cooling mode operation, 30 min later since the start of the appliance stops. • While the appliance is on the memory. s Auto Restarting ... is operated at cooling mode operation. • In the Jet Cool mode operation, the room temperature is controlled to the set time. Operation • If the appliance is on /off time is input by the remote control, the on pause at the time set by 1°C(33.8°F). randomly by 1°C(33.8°...
Service Manual
Page 44
...forced operation position, or when the slide switch position is switched to the Auto Restarting (or test operation) position or switched from the remote control position to the forced operation position while the power is on, the forced operation is carried out. • When the slide switch ...position is switched from the forced operation position to the Auto Restarting position or the remote control position, the forced operation is canceled and the appliance stops operating. • In the forced operation mode, the indoor fan is set ...
...forced operation position, or when the slide switch position is switched to the Auto Restarting (or test operation) position or switched from the remote control position to the forced operation position while the power is on, the forced operation is carried out. • When the slide switch ...position is switched from the forced operation position to the Auto Restarting position or the remote control position, the forced operation is canceled and the appliance stops operating. • In the forced operation mode, the indoor fan is set ...
Service Manual
Page 45
...stops during deicing. • Hot start Control (Heating) • The indoor fan stops until the evaporator piping temperature will be reached at the desired position or swing up during Timer operation. Natural Air Control by Remote controller Sensing the Room Temperature • Room ...temperature sensor. (THERMISTOR) Room temperature control • Maintains the room temperature in accordance with the Setting Temp. Service ...
...stops during deicing. • Hot start Control (Heating) • The indoor fan stops until the evaporator piping temperature will be reached at the desired position or swing up during Timer operation. Natural Air Control by Remote controller Sensing the Room Temperature • Room ...temperature sensor. (THERMISTOR) Room temperature control • Maintains the room temperature in accordance with the Setting Temp. Service ...
Service Manual
Page 46
...and down automatically. Sleep Mode Auto Control • The fan is automatically switched from high to low speed. Natural Air Control by Remote controller Sensing the Room Temperature • Room temperature sensor. (THERMISTOR) Room temperature control • Maintains the room temperature ...1, 2, 3, 4, 5, 6, 7 hours. Soft Dry Operation Mode • Intermittent operation of fan at the starting. Defrost(Deice) control (Heating) • Both the indoor and outdoor fan stops during outdoor unit operation.(Cooling model only) Desire temperature For cooling,dehumidification,heating...
...and down automatically. Sleep Mode Auto Control • The fan is automatically switched from high to low speed. Natural Air Control by Remote controller Sensing the Room Temperature • Room temperature sensor. (THERMISTOR) Room temperature control • Maintains the room temperature ...1, 2, 3, 4, 5, 6, 7 hours. Soft Dry Operation Mode • Intermittent operation of fan at the starting. Defrost(Deice) control (Heating) • Both the indoor and outdoor fan stops during outdoor unit operation.(Cooling model only) Desire temperature For cooling,dehumidification,heating...
Service Manual
Page 48
Operation Remote Control Operation The Remote Controller transmits the signals to set the desired horizontal airflow direction. 48 Multi type Air Conditioner Signal transmitter 5 1 6 3 4 2 10 CANCEL 7 9 ON OFF SET 11 AUTO CLEAN ... TEMPERATURE CHECKING BUTTON Used to check the room temperature. 13 PLASMA(OPTIONAL) Used to start or stop the plasma-purification function. 14 RESET BUTTON Initialize remote controller. 15 2nd F Button Used prior to using modes printed in blue at the bottom of buttons. 16 AUTO CLEAN Used to set Auto Clean mode...
Operation Remote Control Operation The Remote Controller transmits the signals to set the desired horizontal airflow direction. 48 Multi type Air Conditioner Signal transmitter 5 1 6 3 4 2 10 CANCEL 7 9 ON OFF SET 11 AUTO CLEAN ... TEMPERATURE CHECKING BUTTON Used to check the room temperature. 13 PLASMA(OPTIONAL) Used to start or stop the plasma-purification function. 14 RESET BUTTON Initialize remote controller. 15 2nd F Button Used prior to using modes printed in blue at the bottom of buttons. 16 AUTO CLEAN Used to set Auto Clean mode...
Service Manual
Page 68
...minutes after stopped. Check the contact of CN-DISP 1 connector When the detect switch (double key) inside the remote controller door is fault, it is driven by the remote controller. (When operated in LCD screen, replace battery. While the compressor has been stopped, the compressor does not ...operate owing to the low speed as force.) Caused by the remote controller. Caused by other parts except the remote controller When the mark ( ) is displayed in the Sleeping Mode, the wind speed is not controlled by a low speed. Turn on main power. Check DISP PWB Ass...
...minutes after stopped. Check the contact of CN-DISP 1 connector When the detect switch (double key) inside the remote controller door is fault, it is driven by the remote controller. (When operated in LCD screen, replace battery. While the compressor has been stopped, the compressor does not ...operate owing to the low speed as force.) Caused by the remote controller. Caused by other parts except the remote controller When the mark ( ) is displayed in the Sleeping Mode, the wind speed is not controlled by a low speed. Turn on main power. Check DISP PWB Ass...
Service Manual
Page 69
... between brown and blue cable of terminal to be effected by 1°C at 25°C). Operate Cooling Mode by setting the disired temperature of the remote controller is less than one of the Indoor temperature by the themperature of Heat Exchange (EVA.) When the sensor circuit for driving Compressor. • Check the...
... between brown and blue cable of terminal to be effected by 1°C at 25°C). Operate Cooling Mode by setting the disired temperature of the remote controller is less than one of the Indoor temperature by the themperature of Heat Exchange (EVA.) When the sensor circuit for driving Compressor. • Check the...
Service Manual
Page 81
... Parts List LOCATION No. DESCRIPTION S4 chassis PART No. SE chassis AMNH093D4A0 AMNC093D4A0 AMNH123DEA0 AMNC123DEA0 (LMN090HE) (LMN090CE) (LMN120HE) (LMN120CE) SVC CODE 131410 CHASSIS ASSEMBLY 3141A20019C 3141A20019C 3141A20034A 3141A20034A R ...-1 THERMISTOR,NTC 6323AQ3226T 6323AQ3226T 6323AQ3226T 6323AQ3226T R 263230-2 THERMISTOR,NTC 6323A20004A 6323A20004A 6323A20004A 6323A20004A R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20128C 6711A20128A 6711A20128C 6711A20128A R 342800 BEARING 4280A20004B 4280A20004B 4280A20004B 4280A20004B R 354210 EVAPORATOR ASSEMBLY,FINAL ...
... Parts List LOCATION No. DESCRIPTION S4 chassis PART No. SE chassis AMNH093D4A0 AMNC093D4A0 AMNH123DEA0 AMNC123DEA0 (LMN090HE) (LMN090CE) (LMN120HE) (LMN120CE) SVC CODE 131410 CHASSIS ASSEMBLY 3141A20019C 3141A20019C 3141A20034A 3141A20034A R ...-1 THERMISTOR,NTC 6323AQ3226T 6323AQ3226T 6323AQ3226T 6323AQ3226T R 263230-2 THERMISTOR,NTC 6323A20004A 6323A20004A 6323A20004A 6323A20004A R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20128C 6711A20128A 6711A20128C 6711A20128A R 342800 BEARING 4280A20004B 4280A20004B 4280A20004B 4280A20004B R 354210 EVAPORATOR ASSEMBLY,FINAL ...
Service Manual
Page 83
... ASSEMBLY 6871A20387K 6871A20387M 6871A20387M 6871A20387N R 263230-2 THERMISTOR,NTC(ROOM+IN PIPE) 6323A20004N 6323A20004N 6323A20004N 6323A20004N R 263230-1 THERMISTOR,NTC(OUT PIPE) 6323AQ3226T 6323AQ3226T 6323AQ3226T 6323AQ3226T R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20128F 6711A20083R 6711A20128F 6711A20083R R 330870 PAN ASSEMBLY,DRAIN 3087A30004A 3087A30004A 3087A30004A 3087A30004A R 346810 MOTOR,UNCLASSIFIED 4681A20047B 4681A20047B 4681A20047B 4681A20047B R 349600 BRACKET,MOTOR 4960A20016A 4960A20016A...
... ASSEMBLY 6871A20387K 6871A20387M 6871A20387M 6871A20387N R 263230-2 THERMISTOR,NTC(ROOM+IN PIPE) 6323A20004N 6323A20004N 6323A20004N 6323A20004N R 263230-1 THERMISTOR,NTC(OUT PIPE) 6323AQ3226T 6323AQ3226T 6323AQ3226T 6323AQ3226T R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20128F 6711A20083R 6711A20128F 6711A20083R R 330870 PAN ASSEMBLY,DRAIN 3087A30004A 3087A30004A 3087A30004A 3087A30004A R 346810 MOTOR,UNCLASSIFIED 4681A20047B 4681A20047B 4681A20047B 4681A20047B R 349600 BRACKET,MOTOR 4960A20016A 4960A20016A...