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• While in compressor off, the indoor fan repeats low airflow speed and pause.
• While the intake air temp is between compressor on temp. and compressor off temp., 10-min dehumidifica-

tion operation and 4-min compressor off repeat.

Compressor ON Temp.

➲

Setting Temp+0.5°C

Compressor OFF Temp.

➲

Setting Temp-0.5°C

• In 10-min dehumidification operation, the indoor fan operates with the low airflow speed.

■

Heating Mode Operation(H/P model)

• When the intake air temp r3°…above the setting temp, the compressor is turned off. When below

the setting temp, the compressor is turned on.

Compressor ON Temp.

➲

Setting Temp.

Compressor OFF Temp.

➲

Setting Temp.+3°C

• While in compressor on, the indoor fan is off when the indoor pipe temp. is below 20°C, when above 28°C ,

it operates with the low or setting airflow speed. When the indoor pipe temp is between 20°C and 28°C, it
operates with Super-Low(while in sleep mode, with the medium airflow speed).

• While in compressor off, the indoor fan is off when the indoor pipe temp is below 33°C, when above 35°C ,

it operates with the low airflow speed.

• If overloaded while in heating mode operation, in order to prevent the compressor from OLP operation, the

outdoor fan is turned on/off according to the indoor pipe temp.

• While in defrost control, both of the indoor and outdoor fans are turned off.

■

Defrost Control(H/P model)

• Defrost operation is controlled by timer and sensing temperature of outdoor pipe.
• The first defrost starts only when the outdoor pipe temperature falls below -6°C after 60 minutes passed

from starting of heating operation and more than 10 minutes operation of compressor.

• Defrost ends after 12 minutes passed from starting of defrost operation or after the outdoor fan operates

within max. 2 minutes 30 seconds when the outdoor pipe temperature rises over 12°C even it before 12
minutes.

• The second defrost starts only when the outdoor pipe temperature falls below -6°C after 60 minutes passed

from ending of the first defrost and more than 10 minutes operation of compressor.

■

Cooling overload

• Control indoor fan by sensing outdoor pipe temperature.
• One step down from setting fan speed if pipe temperature is oven 50°C and if below 45°C, operate on set-

ting temperature.

• One of the outdoor fan is OFF if pipe temperature is below 0°C and outdoor fan is ON if pipe temperature is

over 0°C.

■

Heating overload(H/P models)

• Outdoor fan ON/OFF by sensing outdoor pipe temperature.
• Outdoor fan is OFF if pipe temperature is over 6.5°C and outdoor fan is ON if pipe temperature is below

0°C.

• Outdoor fan is off if any one part is heating overload condition.

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Содержание LM-2422A2L/A3L

Страница 1: ...Multi Type Room Air Conditioner SERVICE MANUAL MODEL LM 2422C2L LM 2422A2L A3L LM 3620C2L C2M A2L LM 3622A2L LM 3625C3L A3L LM 3626A3L LM 4822C3L LM 4822A3L ...

Страница 2: ... 20 Display Function 27 Self diagnosis Function 27 Installation 28 Operation 42 Disassembly of the parts Indoor Unit 44 2 way 3 way Valve 46 Cycle Troubleshooting Guide 50 Electronic Parts Troubleshooting Guide 51 Electronic Control Device 58 Schematic Diagram 61 Exploded View and Replacement Parts List 66 2 Contents ...

Страница 3: ...is switched to intermittent or irregular operation The fan speed is automatically switched from high to low speed The louver can be set at the desired position or swing up and down automatically Indoor Unit Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature control Starting Current Control Time Delay Safety Control Indoor Fan Speed Control Operation indication Lamp...

Страница 4: ...ooling Operation Mode Heating Operation Mode Auto Operation Mode Fan Operation Mode Horizontal Airflow Direction Control Button Option Room Temperature Display Setting the Time or Timer PLASMA Option NEGATIVE ION Option ON OFF SET PLASMA CANCEL Fan Speed Selection Low Med High CHAOS High 39 C Low 11 C OFF ON OFF ON Cancel Sleep Mode Timer ON or Timer OFF 1 2 3 4 5 6 7 Off Timer Fan Operates withou...

Страница 5: ... unit Unit Indoor Outdoor Indoor Outdoor Indoor Outdoor Indoor Outdoor Indoor Outdoor Liquid Gas Item Cooling Capacity Btu h kcal h Moisture Removal h Power Source ø V Hz Air Circulation m3 min Noise Level Low dB A Input W Runnig Current A E E R Btu h w Motor Output W Dimensions W x H x D mm Net Weight kg Refrigerant R 22 g Airflow Direction Control Up Down Remocon Type Service Valve Drain Hose Pl...

Страница 6: ...t Indoor Outdoor Indoor Outdoor Indoor Outdoor Indoor Outdoor Indoor Outdoor Liquid Gas Item Cooling Capacity Btu h kcal h Moisture Removal h Power Source ø V Hz Air Circulation m3 min Noise Level Low dB A Input W Runnig Current A E E R Btu h w Motor Output W Dimensions W x H x D mm Net Weight kg Refrigerant R 22 g Airflow Direction Control Up Down Remocon Type Service Valve Drain Hose Plasma Filt...

Страница 7: ...door 71 A 550 B 1 100 at 7 5m O L C D Wireless Liquid 1 4 6 35 Gas 1 2 12 7 O LM 3626A3L only 0 75mm2 3 5mm2 Operation A Unit B or C Unit A B or C B C A B C Unit Item Cooling Capacity Btu h kcal h Moisture Removal h Power Source ø V Hz Air Circulation m3 min Noise Level Low dB A Input W Runnig Current A E E R Btu h w Motor Output W Dimensions W x H x D mm Net Weight kg Refrigerant R 22 g Airflow D...

Страница 8: ...370 Indoor 11 9 Outdoor 106 1 570 1 300 O L C D Wireless Liquid 3 8 9 52 1 4 6 35 Gas 5 8 15 88 1 2 12 7 O LM 4822C3L A3L only 0 75mm2 5 5mm2 Operation A Unit B or C Unit A B or C B C A B C Unit Item Cooling Capacity Btu h kcal h Moisture Removal h Power Source ø V Hz Air Circulation m3 min Noise Level Low dB A Input W Runnig Current A E E R Btu h w Motor Output W Dimensions W x H x D mm Net Weigh...

Страница 9: ...m 50mm 20mm 20mm 80mm A A ø70mm Center Center ø70mm Left rear piping Right rear piping A A D H W Tubing hole cover W mm 802 888 1 080 H mm 262 287 314 D mm 165 170 181 4 5K 6K 7K 8K 9K Btu Series 9K 10K 12K Btu Series 18K 24K Btu MODEL DIM 4 5K 6K 7K 8K 9K 4 5K 6K 7K 8K 9K 9K 10K 12K 18K 24K 9K 10K 12K 18K 24K ...

Страница 10: ... L10L10 L8 Gas side 3 Way valve Liquid side 2 Way valve L7 L5 L6 W mm 870 870 H mm 655 800 D mm 320 320 L1 mm 370 370 L2 mm 25 25 L3 mm 630 775 L4 mm 25 25 L5 mm 546 546 L6 mm 160 160 L7 mm 160 160 L8 mm 64 64 L9 mm 76 5 76 5 L10 mm 50 50 LM 2422C2L LM 2422A2L LM 3620C2L LM 3622A2L LM 3620A2L MODEL DIM ...

Страница 11: ...L8 L3 H D L1 L2 L4 L10 L9 Gas side 3 way valve Liquid side 2 way valve L10 L10 L10 L10 W mm 870 H mm 800 D mm 320 L1 mm 370 L2 mm 25 L3 mm 775 L4 mm 25 L5 mm 546 L6 mm 160 L7 mm 160 L8 mm 64 L9 mm 76 5 L10 mm 50 LM 3625C3L A3L LM 3626A3L MODEL DIM ...

Страница 12: ... 12 900 1 225 370 2 3 LM 4822C3L LM 4822A3L ...

Страница 13: ...M 2422C2L LM 2422A2L COMP 3 WAY Valve ø6 35 ø12 7 ø12 7 ø6 35 HEAT EXCHANGER HEAT EXCHANGER A Unit B Unit Pipe Size Diameter inch Max piping length m Max piping elevation m Gas Liquid 1 2 1 4 10 15 5 7 ex Solenoid Valve Capillary Cooling ...

Страница 14: ...h Max piping length m Max piping elevation m Gas Liquid 5 8 1 4 20 10 ex Solenoid Valve Capillary Cooling Deice A UNIT B UNIT CAPILLARY TUBE LIQUID SIDE 2 WAY VALVE GAS SIDE 3 WAY VALVE HEAT EXCHANGER EVAPORATOR HEAT EXCHANGER CONDENSER COMPRESSOR B COMPRESSOR A ...

Страница 15: ...ng length m Max piping elevation m Gas Liquid 1 2 1 4 10 15 5 7 ex Solenoid Valve Capillary Cooling Deice Heating Indoor Unit Outdoor Unit Heat Exchanger A Unit Heat Exchanger Comp A Comp B B Unit C Unit Heat Exchanger 2 WAY Valve 3 WAY Valve 2 WAY Valve 3 WAY Valve ...

Страница 16: ...iping length m Max piping elevation m Gas Liquid 3 8 1 2 1 4 15 7 A 5 8 3 8 30 15 ex Solenoid Valve Capillary Cooling Indoor Unit Outdoor Unit Heat Exchanger A Unit Heat Exchanger Comp A Comp B B Unit C Unit Heat Exchanger 2 WAY Valve 3 WAY Valve 2 WAY Valve 3 WAY Valve ...

Страница 17: ...L STEP MOTOR MOTOR MAIN PCB ASM DISPLAY PCB ASM TO OUTDOOR UNIT PILLAR TERMINAL BR BL YL GN YL 1 L 2 N 3 RY COMP 4 3 H V B A CL RD BK BK BK BK BK BK LIMIT S W OPTION 3854A20023X INDOOR WIRING DIAGRAM CN DISP1 CN U D FUSE AC250V T2A CN TH SSR SH CAPA BR YL OR BK CN POWER CN FAN ZNR THERMISTOR FORCED OPERATION AUTO RESTART REMOTE CONTROL STEP MOTOR MOTOR MAIN PCB ASM DISPLAY PCB ASM TO OUTDOOR UNIT ...

Страница 18: ...LOCK POWER RELAY GN YL GN YL S COMP A YL CAPACITOR 1 L 1 L 1 L 2 N 2 N 2 N 3 3 CN TH C C S R F TERMINAL BLOCK 10P 1 L 2 N 2 N 1 L 3 1 L 2 N 3 A UNIT T BLOCK BL BL BK BK TRANS FORMER OR THERMISTOR YL OR BK BR WH CAPA BK MOTOR COMP BK WH BL YL BK B UNIT TO INDOOR UNIT OUTDOOR WIRING DIAGRAM 3854A30076L MAIN POWER A C H R S B A 5 7 CN COM CN TRANS CN COMP CN POWER RY COMP CN S V S V B S V CN FAN RY S...

Страница 19: ... BL BL YL RD YL RD RD WH B S V C S V YL 8 6 1 4 2 8 6 1 4 2 RD GN YL GN YL GN YL CN FAN CN COM RY HI CN POWER CN COMP CN TH1 7 5 3 B A CN TRANS CN SV RD C S V B S V RY SV1 RY SV2 B A 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 0 0 A B B A A B A B BK T B1 BK CAPA CAPA OLP RY1 RY2 RY3 RY8 RY7 RY9 CN TH2 CN SV CN TH1 F C H 1 BK BK BK T B2 WH BR BR BL RD WH GN YL TERMINAL BLOCK WH BK WH BK BK BK RD BK BK BR YL YL...

Страница 20: ...ator On while in timer mode on off off when timer mode is completed or canceled Defrost Indicator Off except when hot start during heating mode operation or while in defrost control Cooling Mode Operation When the intake air temperature reaches 0 5 C below the setting temp the compressor and the outdoor fan stop When it reaches 0 5 C above the setting temp they start to operate again Compressor ON...

Страница 21: ...ed on off according to the indoor pipe temp While in defrost control both of the indoor and outdoor fans are turned off Defrost Control H P model Defrost operation is controlled by timer and sensing temperature of outdoor pipe The first defrost starts only when the outdoor pipe temperature falls below 6 C after 60 minutes passed from starting of heating operation and more than 10 minutes operation...

Страница 22: ...oor fan is operated for 15 seconds Then an operation mode is selected according to the intake air temp at that moment as follows 24 C Inatake Air Temp Fuzzy Operation for Cooling 21 C Inatake Air Temp 24 C Fuzzy Operation for Dehumidification Inatake Air Temp 21 C Fuzzy Operation for Heating If any of the operation modes among cooling dehumidification heating mode operations is carried out for 10 ...

Страница 23: ...d by Fuzzy rule when the intake air temp is 3 C or more above the setting temp the compressor is turned off When below the setting temp the compressor is turned on Compressor ON Temp Setting Temp Compressor OFF Temp Setting Temp 3 C At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 20 C Intake Air Temp Intake Ai...

Страница 24: ...heating cycle operations are different Chaos Natural Wind Mode When the Chaos Natural Wind mode is selected and then operated the high medium or low speed of the airflow mode is operated for 2 15 sec randomly by the Chaos Simulation Jet Cool Mode Operation C O Model If the Jet Cool key is input at any operation mode while in appliance operation the Jet Cool mode operates In the Jet Cool mode the i...

Страница 25: ...rting position or the remote control position the forced operation is canceled and the appliance stops operating The forced operation is carried out in cooling mode with the setting temperature 22 C and the high speed of airflow Forced Operation H P Model To operate the appliance by force in case that the remote control is lost the forced operation selection switch is on the main unit of the appli...

Страница 26: ...room temperature Buzzer Sounding Operation When the appliance operation key is input by the remote control the short beep beep sounds When the appliance pause key is input by the remote control the long beep sounds Air Cleaner Operation When an air cleaner function is selected during Air Conditioner operation Plasma air cleaner function will be operated while in any operation mode with selecting t...

Страница 27: ... of error code is different from Model Operation Indicator Timer Indicator Sleep Timer Indicator Defrost Indicator 27 Operation Indicator Timer Indicator Sleep Timer Indicator Compressor on Indicator OUT DOOR 1 once once twice twice 5times once twice 3times 3sec 3sec 3sec 3sec 3sec 3sec 3sec 3sec 3sec 3sec 3sec 2 3 5 12 Error Code Error LED Indoor body operation LED Error contents SVC check point ...

Страница 28: ...ention is taken into consideration Do not install the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles 2 Outdoor unit If an awning is built over the unit to prevent direct sunlight or rain exposure be careful that heat radiation from the condenser is not restricted There should not be any animals or plants which could be affected by hot ai...

Страница 29: ... dia holecore drill Line according to the arrows marked on lower the left and the rght side of the Installation Plate The meeting point of the extended line is the center of the hole Drill the piping hole at either the right or the left and the hole should be slightly slant to the out door side Installation Plate marking off line Thread Weight Type A screw ø70mm ø70mm 5 7mm A A A A ø70mm ø70mm 50m...

Страница 30: ... pipes Some refrgerant gas may leak when the flare nuts are removed from the indoor unit as some gas is charged to prevent the inside of the pipe from rusting Fit the copper pipe end into the Bar of flare tool about 0 0 5mm higher See illustration Flare the pipe ends 4 Tape the flaring portion to protect it from the dust or damages 90 Slanted Pipe cutter Rough Reamer Pipe Point down A Bar Copper p...

Страница 31: ...onnect the cable to the indoor unit Make a small loop with the cable for easy con nection later 5 Tape the tubing drain hose and the connecting cable Be sure that drain hose locates at the lowest side of the bundle Locating at the upper side can be a reason that drain water overflows drain pan inside the unit Installation plate Pull Pull Connecting cable Gas side piping Liquid side piping Drain ho...

Страница 32: ...in left and right 7 Connecting the pipings to the indoor unit Align the center of the pipings and sufficiently tighten the flare nut with fingers Finally tighten the flare nut with torque wrench until the wrench clicks Wrench tightening the flare nut with forque wrench ensure the direction for tightening fol lows the arrows on the wrench 8 Wrap the insulation material around the con necting portio...

Страница 33: ...door unit onto the upper portion of installation plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate Ensure the hooks are properly seated on the installation plate by moving it in left and right Drain hose Tubing holder Taping Piping Push 2 Hook 1 Connecting cable Drain hose Press the lower left and right side of the unit against the Installa...

Страница 34: ...tors 3 The screw which fasten the wiring in the casing of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could give rise to burn out of the wires 4 Specification of power source 5 Confirm that electrical capacity is sufficient 6 See to th...

Страница 35: ... wires to the terminals on the control board individually as the following 2 Secure the cable onto the control board with the hold er clamper 3 Refix the cover control to the original position with the screw 4 Use a recongnized circuit breaker between the power source and the unit A disconnection device to ade quately disconnect all supply lines must be fitted Caution If a power plug is not to be ...

Страница 36: ...open position horizontally by finger pressure Remove the securing screws To remove the Grille pull lower the left and right side of the grille toward you slightly tilted and lift it straight upward 2 Check the drainage Pour a glass of water on the evaporator Ensure if water flows drain hose of indoor unit without any leakage 4 Checking the Drainage and Pipe forming ...

Страница 37: ...e back into place 1 L 1 L 2 N 2 N 1 L 2 N 3 3 Terminal on the OUTDOOR UNIT Terminal on the OUTDOOR UNIT Terminal on the INDOOR UNIT A UNIT Terminal on the INDOOR UNIT A UNIT Terminal on the INDOOR UNIT Power cord Power cord Power cord B UNIT Terminal on the INDOOR UNIT B UNIT Terminal on the INDOOR UNIT C UNIT 3 3 1 L 2 N 3 1 L 2 N 3 2 N 1 L 1 L 3 B 2 N 3 A 1 L 2 N 1 L 2 N Terminal on the OUTDOOR ...

Страница 38: ... the ground Do not dip it into water and fix it on the wall to avoid swinging in the wind 2 Tape the Pipings drain hose and Connecting Cable from down to up 3 Form the pipings gathered by taping along the exterior wall and fix it onto the wall by saddle or equivalent 1 Tape the Pipings and Connectiong cable from down to up 2 Form the pipings gathered by taping along the exterior wall and the Trap ...

Страница 39: ...port nut and connect the gauge manifold and the vacuum pump to the service port by the charge hose 4 Vacuum the indoor unit and the connecting pipes until the pressure in them lowers to below 76cmHg 5 Disconnect the charge hose and fit the nut to the service port Tightening torque 1 8kg m 6 Remove the valve stem nuts and fully open the stems of the 2 way and 3 way valves with a hexagon wrench 7 Ti...

Страница 40: ...ted than indoor unit Charge amount per 1m 6 Preventive function of cable mis connection Cooling Heating This product has a preventive function of cable mis connection In case of mis connection in case that the cables between indoor and outdoor units have not been connected properly it gives a warning signal of LED flickering 3 minutes after starting operation Press the forced operation key more th...

Страница 41: ...mance 1 Measure the temperature of the intake and discharge air 2 Ensure the difference between the intake temperature and the discharge one is more than 8 C 1 Connection of power supply 1 Connect the power supply cord to the inde pendent power supply 2 Prepare the remote control Insert two batteries provided Remove the battery cover from the remote con troller Slide the cover according to the arr...

Страница 42: ...ON Used to set Sleep Mode Auto operation AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heat ing turns indoor fan on off ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature PLASMA OPTION Used to start or stop the plasma purification function NEGATIVE ION OPTION Used to generate negative ion HORIZONTAL AIRFLOW DIRECTION CONTROL BUTTON NOT ON ALL MODELS Used...

Страница 43: ...sed to set Sleep Mode Auto operation AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heating turns indoor fan on off ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature PLASMA OPTION Used to start or stop the plasma purification function NEGATIVE ION OPTION Used to generate negative ion HORIZONTAL AIRFLOW DIRECTION CONTROL BUTTON NOT ON ALL MODELS Used to s...

Страница 44: ...rge louver to open position horizontally by finger pressure Remove the securing screws To remove the Grille pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward 1 To remove the sensor housing connect earth conductor step motor conductor with sen sor holder Motor Evaporator P C B Screw Power Conductor Step Motor Conductor Earth Conductor Motor Cond...

Страница 45: ...or and the holder eva Unhook the tab on the right inside of the chas sis at the same time slightly pull the evapora tor toward you until the tab is clear of the slot 5 To remove the Cross Flow Fan Loosen the screw securing the cross flow fan to the fan motor do not remove Lift up the right side of the cross flow fan and the fan motor separate the fan motor from the cross flow fan Remove the left e...

Страница 46: ...ransfering clockwise counter clockwise connected manifold gauge Evacuation Open Open Open Servicing with charging cylinder Gas charging Open Open Open Servicing with charging cylinder Pressure check Open Open Open Servicing with charging cylinder Gas releasing Open Open Open Servicing with charging cylinder 46 2 way 3 way Valve 3 2 1 4 5 6 Flare nut To piping connection Open position Closed positi...

Страница 47: ...he gauge slightly to air purge from the hose 5 Set the liquid side valve to the closed position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm2 g 7 Immediately set the gas side valve to the closed position Do this quickly so that the gauge ends up indi cating 1kg cm2 g 8 Disconnect the charge set and mount the liquid side and gas side valve caps and ...

Страница 48: ...acuum of 4 mmHg or less 5 Close the Low handle of the gauge turn off the vacuum pump and confirm that the gauge nee dle does not move approximately 5 minutes after turning off the vacuum pump 6 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or deplet ed replenish as needed 7 Mount the valve caps and the service port caps 8 Apply steps from 1 to...

Страница 49: ...ycle however one time is not suffi cient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the gas side valve s service port Stopping partway will allow the gas to be dis charged If the system has been charged with liquid refrigerant while operating the air conditioner turn off the air conditioner before disconnecting the hose ...

Страница 50: ... 5 6 0 kg cm2 G at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tubing and wrap it with putty 50 Cycle Troubleshooting Guide Temp difference approx 0 C Current less than 80 of rated current Temp difference approx 8 C Current less than 80 of rated current Temp difference less than 8 C Current over the rated current Temp difference over 8 C Temp...

Страница 51: ...age Varistor ZNR01J Check the connection housing for contacting Connector related to CN POWER Display PWB Ass y Check Check each load Indoor Outdoor Fan Motor Compressor Stepping Motor etc and contacting condition of related connector PCB Board Operation Check Items Power Transformer Outdoor unit Input Voltage Output Voltage IC01D 7812 Output Indoor Outdoor unit IC02D 7805 Output Indoor Outdoor un...

Страница 52: ...int the wind speed is not controlled by the remote controller When operated in the Sleeping Mode the wind speed is set to the low speed by force Check DISP PWB Ass y Voltage between CN DISP1 DC 5V When the detect switch double key inside the remote controller door is fault it is impossible to operate temperature regulating and wind speed selecting Check the connecting circuit between the remote co...

Страница 53: ...for indoor temperature and connector are in bad connection or are not engaged Compressor Outdoor Fan is stopped Check the related circuit of R02H 12 1K R01H 1 0K R04H 6 2K R03H 1 0K Indoor unit Check the indoor temperature sensor is disconnected or not About 10kΩ at 25 C Check Outdoor Unit Check Relay RY COMP for driving compressor When the power About AC220V 240V is applied to the connecting wire...

Страница 54: ...ON Main Power Check the related circuit of indoor Fan Motor The pin of Micom and the part for driving SSR Check the pattern Check the SSR SSR Open Indoor Fan Motor never operate SSR short Indoor Fan Motor always operates in case of ON or OFF 4 When indoor Fan does not operate The voltage of PIN NO 1 blue and 3 yellow of CN FAN or CN MOTOR About AC 180V over About AC 50V over SSR is not damaged SSR...

Страница 55: ...ndition of CN U D Connector Check the soldering condition on PWB of CN U D Connector If there are no problems after above checks Confirm the assembly conditions that are catching and interfering parts in the rotation radial of the Vertical Louver 5 When Vertical Louver does not operate Check the operating circuit of the Vertical Louver Confirm that there is DC 12V between pin RED of CN U D and GND...

Страница 56: ... Check the related circuit of R02H 12 1K R01H 1 0K R04H 6 2K R03H 1 0K Check the indoor room temperature is disconnected or not about 10KΩ at 25 C Check the indoor pipe temperature is disconnected or not about 5KΩ at 25 C Turn ON Main Power Check the DC voltage on the PWB ASS Y The details of check are as followings Check point Between two pin of DC part in relay for COMP Comp ON Below DC 1V Comp ...

Страница 57: ... error The control data can be transmitted or received between indoor and outdoor unit with one signal cable If the data be disturbed by any noise level the unit will be operated incorrectly In this case the indoor unit blinks the operation and operation LED on display and indoor fan outdoor fan COMP are not operated The unit can be reoperated by On Off control of Remocon Check Outdoor Unit Turn o...

Страница 58: ... 58 Electronic Control Device 1 Indoor 1 1 MAIN P C B ASSEMBLY LM 2422C2L LM 2422A2L LM 3625C3L A3L LM 3626A3L LM 4822C3L LM 4822A3L 1 2 MAIN P C B ASSEMBLY LM 3620C2L LM 3622A2L LM 3620A2L ...

Страница 59: ... 59 2 Outdoor 2 1 MAIN P C B ASM LM 2422C2L LM 2422A2L LM 3625C3L A3L LM 3626A3L LM 4822C3L LM 4822A3L ...

Страница 60: ... 60 3 Display Assembly ...

Страница 61: ... 61 Schematic Diagram 1 Indoor 1 1 LM 2422C2L LM 2422A2L LM 3625C3L A3L LM 3626A3L LM 4822C3L LM 4822A3L ...

Страница 62: ... 62 1 2 LM 3620C2L LM 3622A2L LM 3620A2L ...

Страница 63: ... 63 2 Outdoor 2 1 LM 2422C2L LM 2422A2L ...

Страница 64: ... 64 2 2 LM 3625C3L A3L LM 3626A3L ...

Страница 65: ... 65 2 3 LM 4822C3L LM 4822A3L ...

Страница 66: ... A3L 12K LM 3625C3L A3L LM 3626A3L 131410 733010 342800 135311 267110 135314 135312 159901 159901 268712 146811 135301 152302 35211B 346810 W0CZZ 263230 268714 249951 359011 354210 159830 352116 354212 352115 Exploded View and Replacement Parts List ...

Страница 67: ... HORIZONTAL 5990A30006B 5990A30001B R 159901 VANE HORIZONTAL 5990A30007B 5990A30002B R 249951 CONTROL BOX ASSY INDOOR 4995A20062W 4995A20091W R 263230 THERMISTOR ASSEMBLY 6323A20003A 6323A20003A R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20010E 6711A20069B R 268712 PWB PCB ASSY DISPLAY 6871A30009Q 6871A30009R R 268714 PWB PCB ASSEMBLY MAIN 6871A20160R 6871A20160S R 342800 BEARING 3H02821B 3H02821B R...

Страница 68: ... ASSY R 159901 1 5990A30006B VANE HORIZONTAL R 159901 2 5990A30007B VANE HORIZONTAL R 249951 4995A20062W CONTROL BOX ASSY INDOOR R 263230 6323A20003A THERMISTOR ASSEMBLY R 267110 6711A20069B REMOTE CONTROLLER ASSEMBLY R 268712 6871A30009Q PWB PCB ASSY DISPLAY R 268714 6871A20160R PWB PCB ASSEMBLY MAIN R 342800 3H02821B BEARING R 346810 4681A20003R MOTOR ASSEMBLY INDOOR R 35211B 2H02449J TUBE ASSY ...

Страница 69: ...07B 5990A30007B R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20062Y 4995A20062Y 4995A20062X R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20010A 6711A20069A 6711A20069B R 268712 PWB PCB ASSY DISPLAY 6871A30009Q 6871A30009Q 6871A30009Q R 342800 BEARING 3H02821B 3H02821B 3H02821B R 346810 MOTOR ASSEMBLY INDOOR 4681A20003R 4681A20003R 4681A20003R R 35211B TUBE ASSY TUBING 2H02449J 2H02449J 2H02449J R 352150 ...

Страница 70: ...2L LMN3620C2L LMN3620C2M LMN3622A2L LMN4822C3L A3L 24K 131410 733010 342800 135311 159901 159901 267110 159830 354210 135314 249951 268712 152302 135312 135301 268714 263230 W0CZZ 146811 35211B 354212 359011 346810 352116 352115 ...

Страница 71: ...990A30002B 5990A30002A R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20174X 4995A20174X 4995A20174Y 4995A20174X R 263230 THERMISTOR ASSEMBLY 6323A20003A 6323A20003A 6323A20003A 6323A20003A R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20069A 6711A20010A 6711A20069B 6711A20025U R 268712 PWB PCB ASSEMBLY DISPLAY 6871A30009R 6871A30009R 6871A30009R 6871A30009R R 268714 PWB PCB ASSY MAIN 6871A10020K 6871A10020...

Страница 72: ...001B VANE HORIZONTAL R 159901 5990A30002B VANE HORIZONTAL R 249951 4995A20091W CONTROL BOX ASSY INDOOR R 263230 6323A20003A THERMISTOR ASSEMBLY R 267110 6711A20010E REMOTE CONTROLLER ASSEMBLY R 268712 6871A30009R PWB PCB ASSEMBLY DISPLAY R 268714 6871A20160S PWB PCB ASSEMBLY MAIN R 342800 3H02821B BEARING R 346810 4681A20003F MOTOR ASSEMBLY INDOOR R 35211B 5211A30038D TUBE ASSEMBLY TUBING R 352150...

Страница 73: ... 73 3 Outdoor Unit LM 2422C2L LM 2422A2L 554031 649950 546810 546810 559010 435512 437210 430411 447910 554160 263230 W0CZZ 552203 552203 550140 437212 435511 ...

Страница 74: ...1 1 R 437210 1A00196N PANEL FRONT 1 1 R 437212 3720AP0003F PANEL ASSY REAR 1 1 R 447910 4791A30004E BARRIER ASSY OUTDOOR 1 1 R 550140 4022U L005A ISOLATOR COMP 3 3 R 552203 2H01890P VALVE SERVICE 2 2 R 552203 2H02479J VALVE SERVICE 2 2 R 554031 5403A20022 CONDENSER ASSY BENT 1D 1M R 554160 5416AR1581B COMPRESSOR 1 1 R 559010 1A00195B FAN ASSEMBLY PROPELLER 1 1 R 649950 4995A20044J CONTROL BOX ASSY...

Страница 75: ...5 4 Outdoor Unit LM 3620C2L LM 3622A2L LM 3620A2L 649950 554160 554160 550140 1 552203 1 552203 3 552203 2 554031 435512 546810 W0CZZ 2 W0CZZ 1 559010 447910 435301 437210 430411 137213 2 137213 1 437212 ...

Страница 76: ...1 1 R 447910 4791A30004G BARRIER ASSY OUTDOOR 1 1 1 R 546810 4681A20008E MOTOR ASSEMBLY OUTDOOR 1 1 1 R 550140 4H00982E ISOLATOR COMP 6 6 6 R 552203 1 2A00392E VALVE SERVICE 1 1 1 R 552203 2 2A00392S VALVE SERVICE 1 1 1 R 552203 3 2H02479J VALVE SERVICE 2 1 2 R 554031 5403A20047 CONDENSER ASSEMBLY BENT 1K 1M 1M R 554160 2520UMBK2NA COMPRESSOR SET 2 2 2 R 559010 1A00195B FAN ASSEMBLY PROPELLER 1 1 ...

Страница 77: ...oor Unit LM 3625C3L A3L LM 3626A3L 649950 567502 551410 554160 1 552203 1 552203 2 552203 3 554160 2 268711 137213 2 137213 1 437212 554031 435512 546810 435511 559010 447910 W0CZZ 2 W0CZZ 1 437210 430410 435301 ...

Страница 78: ...1 R 552203 1 2H01890F VALVE SERVICE 1 1 R 552203 2 2H01890Q VALVE SERVICE 2 2 R 552203 3 2H02479J VALVE SERVICE 3 3 R 554031 5403A20047 CONDENSER ASSEMBLY BENT 1T 1V R 554160 1 2520UKWK2FA COMPRESSOR SET 1 1 R 554160 2 2520UHFK2DC COMPRESSOR SET 1 1 R 559010 1A00195B FAN ASSEMBLY PROPELLER 1 1 R 567502 6750U L007A O L P 1 1 R 649950 4781AP2746R CONTROL BOX ASSEMBLY OUTDOOR 1 1 R W0CZZ 1 2A00986Y C...

Страница 79: ... 79 6 Outdoor Unit LM 4822C3L LM 4822A3L 437212 649950 435512 437210 546810 554160 559010 268711 W6920 1 261704 W0CZZ 2 W6920 2 263230 W0CZZ 1 137213 554031 552203 4 552203 3 552203 1 552203 2 435301 ...

Страница 80: ...EAR 1 1 R 447910 4760AP1216C BARRIER OUTDOOR 1 1 R 546810 4681A20008J MOTOR ASSEMBLY OUTDOOR 2 2 R 552203 1 2A00392F VALVE SERVICE 1 1 R 552203 2 2A00393F VALVE SERVICE 1 1 R 552203 3 2H01890P VALVE SERVICE 2 2 R 552203 4 2H02479J VALVE SERVICE 2 2 R 554031 5403A20044 CONDENSER ASSEMBLY BENT 2J 2P R 554160 2520UHFK2DC COMPRESSOR 2 2 R 559010 1A00195B FAN ASSEMBLY PROPELLER 2 2 R 649950 4995A20047L...

Страница 81: ...P No 3828A20095K January 2005 Printed in Korea ...

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