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LG LS-H076QLN0, Руководство по обслуживанию

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2

Room Air Conditioner

Air Conditioner Service Manual

TABLE OF CONTENTS

LG Model Name

...............................................................................................................................................

3

Safety Precautions

..........................................................................................................................................

5

Dimensions 

...................................................................................................................................................

10

Symbols Used in this Manual ...................................................................................................................10
Indoor Unit................................................................................................................................................10
Outdoor Unit .............................................................................................................................................11

Product Specifications 

................................................................................................................................

13

Installation

.....................................................................................................................................................

14

Select the Best Location  .........................................................................................................................14
Piping Length and Elevation.....................................................................................................................14
How to Fix Installation Plate .....................................................................................................................15
Drill a Hole in the Wall ..............................................................................................................................15
Installation Instructions of Telephone Control(Optional)...........................................................................15
Flaring Work .............................................................................................................................................16
Connection of Piping Indoor .....................................................................................................................17
Connection of the Pipes-Outdoor .............................................................................................................20
Connect the Cable to the Indoor Unit .......................................................................................................21
Connect the Cable to the Outdoor Unit ....................................................................................................22
Checking the Drainage.............................................................................................................................23
Form the Piping ........................................................................................................................................23
Air Purging ...............................................................................................................................................24
Air Purging with Vacuum Pump................................................................................................................24
Test Running ............................................................................................................................................26

Operation 

......................................................................................................................................................

27

Function of Controls .................................................................................................................................27
Display Function.......................................................................................................................................34
Self-diagnosis Function ............................................................................................................................35
Remote Control Operations......................................................................................................................36

Disassembly

..................................................................................................................................................

37

Indoor Unit................................................................................................................................................37

Schematic Diagram.......................................................................................................................................41

Electric Control device..............................................................................................................................41
Wiring Diagram.........................................................................................................................................43
Components Location ..............................................................................................................................44

Troubleshooting Guide

.................................................................................................................................

46

Refrigeration Cycle Diagram ....................................................................................................................46
Pipe Length and the Elevation .................................................................................................................47
2-way, 3-way Valve ...................................................................................................................................48
Cycle Parts ...............................................................................................................................................55
Electronic Parts ........................................................................................................................................56

Exploded View ..............................................................................................................................................63

Indoor Unit...............................................................................................................................................63
Outdoor Unit ............................................................................................................................................64

Replacement Parts List ................................................................................................................................65

Indoor ......................................................................................................................................................65

Outdoor ....................................................................................................................................................66

Содержание LS-H076QLN0

Страница 1: ...nditioner SERVICE MANUAL LG MODELS LS H126RLN1 LS H096QLN1 LS H076QLN0 CAUTION website http www lgservice com BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL ...

Страница 2: ...pes Outdoor 20 Connect the Cable to the Indoor Unit 21 Connect the Cable to the Outdoor Unit 22 Checking the Drainage 23 Form the Piping 23 Air Purging 24 Air Purging with Vacuum Pump 24 Test Running 26 Operation 27 Function of Controls 27 Display Function 34 Self diagnosis Function 35 Remote Control Operations 36 Disassembly 37 Indoor Unit 37 Schematic Diagram 41 Electric Control device 41 Wiring...

Страница 3: ...r B 1 Auto Swing Plasma Filter C 2 Telephone LED Display D 3 Telephone LCD Display E 4 Auto Swing Plasma Filter Telephone LCD F 5 Low Ambient Ambient change G 6 Plasma Filter Low Ambient Ambient change H 7 Internet J 8 Auto Swing Plasma Filter Oxygen Generator K 9 Auto Swing Soft Start Z L Auto Swing Star Rating M Y Auto Swing Star Rating Plasma Filter N X Auto Swing Soft Start Star Rating P W Aut...

Страница 4: ... E 265V 60Hz 7 110V 50 60Hz F 200V 50 60Hz 8 380 415V 50Hz 9 380 415V 60Hz 7 Chassis A Z Name of Chassis of Unit Ex LSP SP Chassis 8 Look A Z Look Color Artcool Model 9 Function A Z 10 Serial No 1 9 LG Model De ARTCOOL COLOR velopment Serial No Basic A Basic 4Way B Plasma Filter C Plasma Filter 4 Way D Tele LCD E Tele LCD Nano plasma 4Way F Nano Plasma F A changeove A clean Low A G Nano Plasma F A...

Страница 5: ...symbol indicates the possibility of death or serious injury This symbol indicates the possibility of injury or damage to properties only Be sure not to do Be sure to follow the instruction Do not use damaged power cords plugs or a loose socket Always use the power plug and socket with the ground terminal There is risk of fire of electric shock There is risk of electric shock Install the panel and ...

Страница 6: ... cause injury Be especially care ful of the case edges and the fins on the condenser and evaporator There is risk of fire electric shock explosion or injury Be cautious when unpacking and installing the product For installation always contact the dealer or an Authorized service center For re installation of the installed product always contact a dealer or an authorized ser vice center Do not insta...

Страница 7: ...the plug to remove the cord from the outlet Do not touch it with wet hands Do not place a heater or other appliances near the power cable There is risk of fire or electrical shock There is risk of fire and electric shock Do not allow water to run into electrical parts Do not store or use flammable gas or com bustibles near the air conditioner There is risk of fire failure of the product or electri...

Страница 8: ...ad connection may cause water leakage Keep level even when installing the product Use two or more people to lift and transport the air conditioner To avoid vibration or water leakage Avoid personal injury Installation 90 Unplug the unit if strange sounds odors or smoke comes from it Be cautious that water could not enter the product There is risk of electric shock or fire There is risk of fire ele...

Страница 9: ...e electric shock or damage to the plastic parts of the product There is risk of personal injury Do not step on or put anyting on the product outdoor units Do not insert hands or other objects through the air inlet or outlet while the air conditioner is plugged in There is risk of personal injury and failure of product There are sharp and moving parts that could cause personal injury Operation Wax ...

Страница 10: ... mm 260 285 D mm 155 156 Model Dimension 7 9k Btu Series 12k Btu Series Indoor Unit This symbol alerts you to the risk of electric shock This symbol alerts you to hazards that could cause harm to the air conditioner This symbol indicates special notes NOTICE Symbols Used in this Manual ...

Страница 11: ...ce Manual 11 Outdoor Unit Dimensions W L2 L3 L1 D H L4 L5 Gas side 3 way valve Liquid side 2 way valve MODEL 7k Btu Series DIM unit W mm 564 H mm 525 D mm 265 L1 mm 294 L2 mm 66 L3 mm 374 L4 mm 17 L5 mm 270 ...

Страница 12: ...Room Air Conditioner W L2 L3 L1 D H L4 L5 Gas side 3 way valve Liquid side 2 way valve MODEL 9k 12k Btu Series DIM unit W mm 770 H mm 540 D mm 245 L1 mm 285 L2 mm 65 L3 mm 518 L4 mm 10 L5 mm 100 Dimensions ...

Страница 13: ...Outdoor Indoor Outdoor Liquid Gas Service Valve Motor Output Dimensions W x H x D Net Weight W mm kg LS H076QLN0 LS H096QLN0 LS H126RLN1 7 000 9 000 12 000 7 300 9 300 13 000 1 1 1 5 1Ø 220 240V 50Hz 1Ø 220 240V 50Hz 1Ø 220 240V 50Hz 5 9 6 9 5 20 25 26 34 36 40 48 48 49 660 950 1 270 640 860 1 230 3 4 2 5 8 2 9 3 8 5 6 10 6 9 5 9 45 3 3 2 8 3 1 5 8 4 9 5 14 13 6 25 824 x 260 x 155 824 x 260 x 155 ...

Страница 14: ...here noise and vibration are mini mum Select a place so that the warm air and noise from the air conditioner do not disturb neighbors More than A More than B More than 2 3m More than B More than 10cm More than 10cm More than 60cm More than 60cm More than 70cm CAUTION Install the indoor unit on the wall where the height from the floors more than 2 3 meters CAUTION Capacity is based on standard leng...

Страница 15: ...he Front Grille Pass Telephone Control Cord Wire through the hole which the power cord goes through Connect Telephone Control Cord Wire to the phone jack of telephone PCB of Control Box Fix Telephone Control Cord Wire inside Control box so as not to disconnect Close the Front Grille Installation Plate Type A screw 5 7mm 3 16 5 16 Indoor WALL Outdoor Answering telephone Normal telephone Not packed ...

Страница 16: ...Putting nut on Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after flaring work Flaring work Firmly hold copper pipe in a die in the dimension shown in the table above Carry out flaring work using flaring tool as shown below Check Compare the flared work with figure below If flare is noted to be defective ...

Страница 17: ... with an insula tion material so that dripping from sweating condensation will not dam age furniture or floors Foamed polyethylene or equivalent is recom mended 4 Indoor unit installation Hook the indoor unit onto the upper portion of the installation plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate Ensure that the hooks are prop erly seat...

Страница 18: ...vinyl tape for enough to cover where they fit into the rear piping housing section For left rear piping 1 Route the indoor tubing and the drain hose to the required piping hole position 2 Insert the piping drain hose and the connecting cable into the piping hole mm inch kg m Ø6 35 1 4 1 8 Ø9 52 3 8 4 2 Ø12 7 1 2 5 5 Ø15 88 5 8 6 6 Ø19 05 3 4 6 6 Outside diameter Torque Wrench Indoor unit tubing Op...

Страница 19: ...nut with a wrench When extending the drain hose at the indoor unit install the drain pipe 7 Wrap the insulation material around the con necting portion Overlap the connection pipe heat insulation and the indoor unit pipe heat insulation material Bind them together with vinyl tape so that there is no gap Wrap the area which accommodates the rear pip ing housing section with vinyl tape mm inch kg m ...

Страница 20: ... left and right Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots clicking sound 1 Align the center of the pipings and sufficiently tighten the flare nut by hand 2 Finally tighten the flare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows ...

Страница 21: ... 32k 36k 38k 0 75 1 0 1 0 1 5 1 5 2 5 2 5 5 5 Unit A Indoor Indoor Indoor Indoor Outdoor Outdoor Cable Type B H05VV F H05VV F H05VV F H05VV F H05RN F H05RN F NORMAL CROSS SECTIONAL AREA Model With Heater Grade 7k 14k 18k 24k 28k 1 0 1 5 2 5 Cable Type B H07RN F H07RN F H07RN F NORMAL CROSS SECTIONAL AREA Grade 30k 32k 36k 38k 0 75 0 75 Cable Type B H07RN F H07RN F NORMAL CROSS SECTIONAL AREA Grade...

Страница 22: ...s 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 cause burn out of the wires 3 Specification of power source 4 Confirm that electrical capacity is sufficient 5 See to that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate 6 Confirm that t...

Страница 23: ...d be routed above the ground Secure the drain hose appropriately 2 In cases where the outdoor unit is installed below the indoor unit perform the following Tape the piping drain hose and connecting cable from down to up Secure the tapped piping along the exterior wall using saddle or equivalent 3 In cases where the Outdoor unit is installed above the Indoor unit perform the following Tape the pipi...

Страница 24: ...quid side on the outdoor unit Note that both the liquid and the gas side service valves on the outdoor unit are kept closed at this stage 2 Leak test Connect the manifold valve with pressure gauges and dry nitrogen gas cylinder to this service port with charge hoses Pressurize the system to no more than 150 P S I G with dry nitrogen gas and close the cylin der valve when the gauge reading reached ...

Страница 25: ... flare nut securely with an adjustable wrench This process is very important to prevent leakage from the system Replace the valve caps at both gas and liquid side service valves and fasten them tight This completes air purging with a vacuum pump The air conditioner is now ready to test run 1 Remove the caps from the 2 way and 3 way valves 2 Remove the service port cap from the 3 way valve 3 To ope...

Страница 26: ...eating 4 For reference the gas side pressure of optimum condition is as below Cooling If the actual pressure is higher than shown the system is most likely over charged and charge should be removed If the actual pres sure are lower than shown the system is most likely undercharged and charge should be added The air conditioner is now ready for use NOTICE NOTICE Bolt Tubing connection Discharge tem...

Страница 27: ...tton Power Forced Operation Operation starts when this button is pressed and stops when you press the button again 2 H P Model high quality LCD remote controller supplied Operation Indicator On while in appliance operation off while in appliance pause Sleep Timer Indicator ON while in sleep timer mode OFF when sleep timer cancel or appliance operation pause Timer Indicator On while in timer mode o...

Страница 28: ...ode Operation When the intake air temp reaches 3 Cabove 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 26 C when above 28 C it operates with the low or setting airflow speed while in sleep mode wi...

Страница 29: ... only the indoor 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 carrie...

Страница 30: ...r 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 Air Temp 0 5 C Intake Air Temp 20 C 20 C When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzz...

Страница 31: ...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 indoor fan is operated at super high speed for 30 min at cooling mode operation In the Jet Cool mode operation the room temperature is controlled to the setting temperature 18 C When the s...

Страница 32: ...speed for around 15 sec and then the operation condition is set according to the intake air temperature as follows 24 C Intake Air Temp Cooling Mode Operation 22 C High Speed 21 C Intake Air Temp 24 C Dehumidification Operation 23 C High Speed Intake Air Temp 21 C Heating Mode Operation 24 C High Speed Test Operation Control To check the condition of the installation when installing the appliance ...

Страница 33: ...e only operated When inlet grille of air conditioner is opened during plasma operation High Voltage Generator H V B is to be stopped When inlet grille of air conditioner is closed during plasma operation High Voltage Generator H V B will be operated again Heater Operation The heater operates during only heating operating mode The heater operation need more input power so the heater operation will ...

Страница 34: ...r Mode Hot start Defrost PLASMA Mode PLASMA Mode Telephone Control Mode Telephone Control Mode Operation Indicator Timer Indicator Sleep Timer Indicator Defrost Indicator PLASMA Indicator Telephone control Indicator Telephone control Indicator Operation Indicator Timer Indicator Sleep Timer Indicator Compressor on Indicator Compressor on Indicator PLASMA PLASMA OUTDOOR ...

Страница 35: ...isplay LED Indoor body operation LED Error contents Indoor room temperature thermistor open short Indoor pipe temperature thermistor open short Outdoor pipe temperature thermistor open short Poor communication Indoor Thermistor assembly check Outdoor Thermistor assembly check Communication line circuit check SVC check point ...

Страница 36: ...er high fan speed in cooling mode 6 CHAOS SWING BUTTON Used to stop or start louver movement and set the desired up down airflow direction 7 ON OFF TIMER BUTTONS Used to set the time of starting and stopping operation 8 TIME SETTING BUTTONS Used to adjust the time 9 TIMER SET CANCEL BUTTON Used to set the timer when the desired time is obtained and to cancel the Timer operation 10 SLEEP MODE AUTO ...

Страница 37: ...n air discharge 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 Before removing the control box be sure to take out the wire screwed at the other end Display P C B Conductor Step Motor Conductor Earth Conductor Motor Conductor Sensor Cond...

Страница 38: ...chassis carefully 3 To remove the Discharge Grille Unhook the discharge grille and pull the discharge grille out from the chassis carefully 4 To remove the Evaporator Remove 3 screws securing the evaporator at the left 2EA in the Eva Holder at the right 1EA Caution label CAUTION When repair do not damage the Caution label ...

Страница 39: ...Motor Cover Remove 2 securing screw Pull the motor cover out from the chassis carefully 6 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 end of the cross flow fan from the self aligning bearing Motor cover ...

Страница 40: ...ve the heater After removing the evaporator remove screws and terminals on the control box CAUTION The high temperature on the heater s surface can make injury Be sure to check heater surface is not hot before disassembilng Disassembly ...

Страница 41: ... SDA WP G 1 2 3 A0 A1 4 A2 CAT24WC01J R14H R13H R12H 20K R01P 2012 R02P 20K 2012 OJ4H 5V 8 20K R02F 7 3 4 5 2 6 1 5V Vss0 Vdd0 C04C 103 A d 1 d V NEC TERMINAL BOARD STO2D 200 SD01D TNY266P DC HIGH VOLTAGE GND D 5 4 1 IC02D DC HIGH VOLTAGE GND TLP421 V4 BL C05D 472M 3 2 104 50V C02D EN 4 S 2 BP 1 D07D UG2D 470 35V SD C03D 681 RY 4WAY 1 6W R03D 39 C04D 1 8 5V CN ACDC CN ACDC2 INT 3 6 2 7 12V SMPS 5 ...

Страница 42: ...42 Room Air Conditioner Schematic Diagram HVB TYPE PLASMA ...

Страница 43: ...OMP TO OUTDOOR UNIT 4 3 1 L BR BR BL BK RD GN YL 2 N 3 4 FUSE 250V T2A STEP MOTOR H V ASM S W1 S W2 AIR CLEAN PLASMA WIRING DIAGRAM TO INDOOR UNIT BLACK GRAY PILLAR TERMINAL BR BR YL BK OLP 1 2 3 COMP RD BK BL BL FAN MOTOR REVERSING VALVE GN YL RD BL CAPACITOR H C F R C S BR BL BK RD GN YL BR BL BK RD GN YL 1 L 2 N 3 4 3854AR2262E OUTDOOR WIRING DIAGRAM OUTDOOR WIRING DIAGRAM OUTDOOR WIRING DIAGRA...

Страница 44: ...44 Room Air Conditioner Schematic Diagram Components Location MAIN P W B ASSEMBLY AC PART HEAT PUMP MODEL MAIN P W B ASSEMBLY DC PART TOP VIEW BOTTOM VIEW ...

Страница 45: ...Service Manual 45 Schematic Diagram DISPLAY ASSEMBLY 6871A20227 TOP VIEW BOTTOM VIEW ...

Страница 46: ...HANGE EVAPORATOR HEAT EXCHANGE CONDENSER HEAT EXCHANGE CONDENSER COMPRESSOR COMPRESSOR ACCUMU LATOR GAS SIDE GAS SIDE 3 WAY VALVE LIQUID SIDE LIQUID SIDE 3 WAY VALVE CAPILLARY TUBE CAPILLARY TUBE CHECK VALVE Heating Model only COOLING HEATING REVERSING VALVE Heating Model Only 1 Cooling Only Models Refrigeration Cycle Diagram 2 Cooling Heating Models ...

Страница 47: ...it B In case more than 5m 7k 14k 3 8 Ø9 52 1 4 Ø6 35 4 or 7 5 7 15 20 1 2 Ø12 7 1 4 Ø6 35 4 or 7 5 7 15 20 1 2 Ø12 7 1 4 Ø6 35 4 or 7 5 15 30 20 18k 28k 5 8 Ø15 88 1 4 Ø6 35 4 or 7 5 15 30 20 5 8 Ø15 88 3 8 Ø9 52 4 or 7 5 15 30 30 30k 38k 5 8 Ø15 88 3 8 Ø9 52 7 5 15 30 30 3 4 Ø19 05 3 8 Ø9 52 7 5 15 30 50 Pipe Size Capacity Btu h GAS LIQUID Additional Refrigerant g m Max Length A m Max Elevation B...

Страница 48: ...ckwise connected manifold gauge Open Open Open with charging cylinder Open Open Open with charging cylinder Open Open Open Open Works Shipping Air purging Installation Operation Pumping down Transfering Evacuation Servicing Gas charging Servicing Pressure check Servicing Gas releasing Servicing 1 2 3 4 5 6 Valve cap Open position Closed position Pin Service port Service port cap To outdoor unit Fl...

Страница 49: ...sing the hexagonal wrench to press the valve core pin discharge for three seconds and then wait for one minute Repeat this three times 5 Use torque wrench to tighten the service port nut to a torque of 1 8kg cm 6 Set the 3 way valve to the back seat 7 Mount the valve stem nuts to the 2 way and 3 way valves 8 Check for gas leakage At this time especially check for gas leakage from the 2 way and 3 w...

Страница 50: ... the charge hose Open the low pressure valve on the charge set slightly to air purge from the charge hose 5 Set the 2 way 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 3 way valve to the closed position Do this quickly so that the gauge ends up indi cating 3 to 5kg cm2 g 8 Disconnect the charge s...

Страница 51: ...to tighten the flare nut on liquid side valve 4 Check for gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the gas cylinder and dis charge the refrigerant until the gauge indicates 3 to 5 kg cm2 g 6 Disconnect the charge set and the gas cylin der and set the Liquid side and Gas side valves to the open position Be sure to use a hexagonal wrench ...

Страница 52: ...charge set and discharge the refrigerant until the gauge indi cates 0 kg cm2 G If there is no air in the refrigerant cycle the pressure when the air conditioner is not running is higher than 1 kg cm2 G discharge the refrig erant until the gauge indicates 0 5 to 1 kg cm2 G if this is the case it will not be neces sary to apply a evacuatin Discharge the refrigerant gradually if it is dis charged too...

Страница 53: ...d 76 cmHg vacuum of 4 mmHg or less 3 Close the valve Lo side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approxima tely 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or depleted replenish as needed Lo Open Open Vacuum pump 3 Way valve Outdoor unit Liqu...

Страница 54: ... at a time approximately 150g each time while operating the air conditioner in the cooling cycle 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 3 way valve s service port Stopping partway will allow the gas to be dis charged If the system has been charged with liquid refrigerant while ...

Страница 55: ...humidity When the room air humidity is relativery higher temperature difference is smaller When the room air humidity is relatively lower tem perature difference is larger 2 Check temperature and pressure of refrigeration cycle 1 The suction pressure is usually 4 5 6 0 kg cm2 G Cooling at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tubing and...

Страница 56: ...age Varistor ZNR01J Check the connection housing for contacting Connector related to CN TAB1 RY COMP NO 3 Connector related to CN MOTOR Connector contacting of Outdoor Fan Compressor Display PCB Assembly Check Check each load Indoor Outdoor Fan Motor Compressor Stepping Motor and contacting condition of related connector Main PCB Board Operation Check Items SMPS Transformer Indoor unit Input Volta...

Страница 57: ...CD screen replace battery Check the contact of CN DISP1 connector When the compressor stopped Indoor Fan is driven by a low speed At this point 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 Display PCB Assembly Voltage between CN DISP1 DC 5V Check the connecting circuit between the remote controlle...

Страница 58: ...e not engaged Compressor Outdoor Fan is stopped Check the related circuit of RY FAN Check the indoor temperature sensor is disconnected or not About 10kΩ at 25 C Turn off Main Power Check the electrical wiring diagram of outdoor side Check the abnormal condition for the component of Compressor Outdoor Fan Motor Check the open or short of conmecting wires between indoor and outdoor Check Relay RY C...

Страница 59: ...Check the related circuit of indoor Fan Motor The pin NO 63 of Micom and the part for driving TRIAC the input and output signal of IC01M PIN NO 7 10 Check the pattern Check the TRIAC TRIAC Open Indoor Fan Motor never operate TRIAC short Indoor Fan Motor always operates in case of ON or OFF When indoor Fan does not operate The voltage of PIN NO 1 orange and 3 yellow of CN MOTOR About AC 180V over A...

Страница 60: ... 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 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 Confirm that there is a soldering short at follo...

Страница 61: ...re 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 ASSEMBLY The details of check are as followings Check point Between Micom NO 59 and GND Between IC01M NO 11 and GND Comp ON DC 5V Below DC 1V Comp OFF DC 0V About DC 12V Check point Between Micom NO 51 and GND Between IC02M NO 11...

Страница 62: ...ing Guide Turn off Main Power Check the electrical wiring diagram of outdoor side Check the abnormal condition for the component of Compressor Outdoor Fan Motor 4 way Check the open or short of connecting wires between indoor and outdoor ...

Страница 63: ...ded View 346810 35211B 135516 352150 266090 267110 146811 131410 135511 359011 668713 753010 342800 159901 268712 159830 135311 135312 249951 733010 152313 135314 152302 668713 268714 1 268714 2 W0CZZ W6640 263230 264110 354210 Indoor Unit ...

Страница 64: ...Room Air Conditioner Exploded View 554031 437212 435511 W0CZZ 552202 567502 552116 552201 554160 561410 552111 550140 552203 1 552203 2 430410 447910 649950 552102 437210 435301 559010 546810 Outdoor Unit ...

Страница 65: ...03N R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20091E 6711A20091E 6711A20091E R 268712 PWB PCB ASSEMBLY DISPLAY 6871A20227G 6871A20227G 6871A20391G R 268714 1 PWB PCB ASSEMBLY MAIN AC 6871A20574A 6871A20574A 6871A20547A R 268714 2 PWB PCB ASSEMBLY MAIN DC 6871A20536A 6871A20536B 6871A20536C R 342800 BEARING 4280A20004A 4280A20004A 4280A20004A R 346810 MOTOR ASSEMBLY INDOOR 4681A20062D 4681A20062L 46...

Страница 66: ...5210A21146K R 552111 TUBE ASSEMBLY CAPILLARY 5211A30082S 5211A20133Z 5211A30708B R 552116 TUBE ASSEMBLY REVERSING 5211A30095C 5211A21027B 5211A20188S R 552202 VALVE REVERSING 5220AR3084A 5220AR3084E 5220AR3084E R 552203 1 VALVE SERVICE 2H02479F 2H02479P 2H02479P R 552203 2 VALVE SERVICE 2A00393M 5220A20040A 5220A20003B R 554032 CONDENSER ASSEMBLY BENT 5403AR2475L 5403A20059F 5403A20026F R 554160 C...

Страница 67: ...P No 3828A20400K June 2004 Printed in Korea ...

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