LG LB-F3660CL Скачать руководство пользователя страница 35 | Manualshive

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only

Possible Trouble 4

: Ineffective Heating

YES

YES

NO

YES

Is it Heating Mode?

Does the temperature

set all right?

Change IC01M.

NO

NO

Adjust operation mode.

Adjust set temperature

Is IC01M operated

normally?

YES

Check the connector
(CN-OUT, CN-AC1.2)

Check RY-4Way

NO

Is 4way-valve operated?

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Содержание LB-F3660CL

Страница 1: ...nditioner SVC MANUAL Exploded View MODEL LB F3660HL LB F3660CL CAUTION Before Servicing the unit read the safety precautions in General SVC manual Only for authorized service personnel Internal Use Only http biz lgservice com ...

Страница 2: ...etails 11 Installation of Indoor Outdoor Unit 14 Test Running 25 3 way Valve 27 Cycle Troubleshooting Guide 32 Electronic Parts Troubleshooting Guide 33 Electronic Control Device 36 Schematic Diagram 37 Exploded View 38 2 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 3: ...uring defrosting Hot start after defrost ends The indoor fan stops until the evaporator piping temperature will be reached at 28 C 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 Soft Dry Operation Mode Deice defrost control Heating Hot start Control Heating 3 Copyrig...

Страница 4: ...rature Setting Setting the Time or Timer Cooling model only Heating model only Low Med High Cooling Operation Mode Heating Operation Mode Soft Dry Operation Mode Fan Operation Mode HI MED LO Set High 39 C LOW 11 C Fan Operates without cooling heating Although the air conditioner is turned off by a power failure it is restarted automatically after a power resupply Cooling Heating Down to 18 C Up to...

Страница 5: ... Input Cooling 4 600 4 700 Heating 4 150 Running Current Cooling 23 23 Heating 21 5 E E R Btu h W 7 83 7 66 Indoor 1 180 x 298 x 600 Outdoor 790 x 965 x 320 Indoor 46 46 Outdoor 81 78 Refrigerant R 22 g 3 4 3 4 Remocon Type L C D Liquid 3 8 9 52 Gas 5 8 15 88 Drain Hose Connecting Wire 0 75mm2 Main Power Cable 5 5mm2 Time Delay Safety Function Soft Dry Fan Speed Indoor 3 Hi Med Low Timer 24Hrs Sel...

Страница 6: ... 6 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Dimensions Model LB F3660HL CL 1 Indoor Unit 790 965 320 1180 600 298 2 Outdoor Unit ...

Страница 7: ...nce 70g of refrigerant should be added for each meter ex When installed at a distance of 15m 700g of refrigerant should be added 15 5 x 70g 700g Pipe size Diameter ø Piping length m Elevation m MODEL Gas Liquid Rated Max Rated Max LB F3660HL 5 8 3 8 5 25 5 15 INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGER HEAT EXCHANGER COMPRESSOR GAS SIDE LIQUID SIDE COOLING HEATING REVERSING VALVE CHECK VALVE CAPILLARY...

Страница 8: ... over rated distance 70g of refrigerant should be added for each meter ex When installed at a distance of 15m 700g of refrigerant should be added 15 5 x 70g 700g Pipe size Diameter ø Piping length m Elevation m MODEL Gas Liquid Rated Max Rated Max LB F3660CL 5 8 3 8 5 25 5 15 INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGER CONDENSER HEAT EXCHANGER CONDENSER COMPRESSOR GAS SIDE LIQUID SIDE CAPILLARY TUBE ...

Страница 9: ... ORANGE GN YL GREEN YELLOW RD RED WH WHITE YL YELLOW Re CN TH EVA TH ROOM TH CH1 BK WH RD R C S CM Cr PTCR 7 8 1 TM 220 240V 1Ø 50Hz POWER SUPPLY BK 63H2 52C Outdoor Unit Wiring Diagram L1 L2 T1 T2 A2 A1 BK WH BK 52F1 1 2 3 4 5 6 TNS NO C TH NC D P WH BK WH BK WH BL RD GN YL BL BK YL WH T B1 F1 BK WH WH WH Co OR YL Co OR FMo1 49FMo NOTE BL BLUE BK BLACK BR BROWN OR ORANGE GN YL GREEN YELLOW 63H2 C...

Страница 10: ...OR YL Co OR FMo1 FMo2 CM YL BK BK BK BL BK WH GN YL 2 3 N L WH WH 1 NOTE BL BLUE BK BLACK BR BROWN OR ORANGE RD RED WH WHITE GN YL GREEN YELLOW CH1 Cr PTCR Outdoor Unit Wiring Diagram NOTE BL BLUE BK BLACK BR BROWN OR ORANGE 52C TMo Cr CM MAGNECTIC CONTACTOR TERMINAL BLOCK RUN CAPACITOR FOR CM COMPRESSOR TM FMo F1 MAIN TERMINAL BLOCK OUTDOOR FAN MOTOR FUSE 250V 5A Co CH1 RUN CAPACITOR FOR FMo CRAN...

Страница 11: ...hile compress is off While compressor is running it takes 3 5 seconds to switch 2 Soft Dry Operation The indoor fan speed is automatically set to the low so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by Micom Control 3 Cooling Mode Operation When selecting the Cooling Mode Operation the unit will operate according to the setting...

Страница 12: ...emperature is higher than 42 C fan operates at seleted fan speed when it becomes lower than 39 C the fan operates at low speed 4 Heating Mode Operation Except Cooling Model The unit will operate according to the setting by the remote controller and the operation diagram is shown as following Hot Start Low Selecting Fan Speed minimum 3min Selecting fan speed minimum 10sec 1min A A minimum 10sec B 5...

Страница 13: ...by the remote controller within 7 hr after the appliance operates by the Auto Restarting operation the appliance is forced to stop at the moment of 7 hr elapse 8 Self Diagnosis Function CHECK will flash in the remote controller display when a problem occurs Then please contact your dealer Correct the accident point as shown in the table below before restarting operation During the normal operation...

Страница 14: ... to get a slope to drain as figure The place shall easily connect with the outdoor unit The place where the unit is not affected by an electrical noise The place where air circulation in the room will be good There should not be any heat source or steam near the unit 2 Outdoor unit If an awning is built over the unit to prevent direct sunlight or rain exposure be careful that heat radiation from t...

Страница 15: ...following actions Make sure that the ventilation fan for smoke collecting hood on a cooking table has sufficient capac ity so that it draws oily steam which should not flow into the suction of the air conditioner Make enough distance from a cooking room to install the air conditioner in such a place where it may not suck in oil steam 2 Avoid installing air conditioner in such circumstances where c...

Страница 16: ...gure for easy water drainage A place where the unit will be leveled and that can support the weight of the unit A place where the unit can withstand its vibration A place where service can be easily performed Drainage hole M10 Nut M10 SP washer M10 washer X 4 X 4 Local supply X 4 M10 Nut M10 SP washer M10 washer X 4 X 4 Local supply X 4 A B C 1 3mm D G H I E F CASE 1 POSITION OF SUSPENSION BOLT CA...

Страница 17: ... sus pension bolts for locking the suspension bolts on the ceiling Mount the suspension bolts to the set anchor firmly Secure the installation plates onto the suspen sion bolts adjust level roughly using nuts wash ers and spring washers 1 Set anchor Old building New building 2 Plate washer 3 Spring washer 4 Nut 5 Suspension bolts Tighten the nut and bolt to prevent unit falling CAUTION Local suppl...

Страница 18: ...r approval The room temperature sensor of the thermostat for temperature control is built in the indoor unit This remote controller equipped with liquid crystal display If this position is higher or lower display is difficult to see The standard height is 1 2 1 5m high Routing of the remote control cord Keep the remote control cord away from the refrigerant piping and the drain piping To protect t...

Страница 19: ...Australia the length of power supply cord measured from the entry of the power supply cord to the middle of live pin on the power plug should be over 1 8m The power cord connected to the outdoor unit should be complied with the following specifications Rubber insulation type H05RN F approved by HAR or SAA The connecting cable connected to the indoor and outdoor unit should be complied with the fol...

Страница 20: ...n between the indoor and outdoor unit Remove two screws Use the cord clamper to fix the cord Perform the electrical wiring work according to the electrical wiring connection All wiring must comply with local requirements Select a power source that is capable of supply ing the current required by the air conditioner Use a recognized circuit breaker 35A between the power source and the unit A discon...

Страница 21: ...u remove burrs in order to avoid to let burrs drop in the tubing 3 Putting nut on Remove flare nuts attached to indoor and outdoor units than put them on pipe tube having completed burr removal Not possible to put them on after flaring work 4 Flaring work Carry out flaring work using flaring tool as shown below Firmly hold copper tube in a bar or die as indicated dimension in the table above 5 Che...

Страница 22: ...elow the outdoor unit 4 After completing the piping connection be sure to check if there is gas leakage in indoor and outdoor connection After completing the piping connection execute vacuum drying for the connecting piping and the indoor unit The vacuum drying must be carried out using the service ports of both the liquid and gas side valves Use two wrenches and tighten with regular torque Outdoo...

Страница 23: ...lination so water will drain out Alway lay the drain with downward inclina tion 1 50 to 1 100 Prevent any upward flow or reverse flow in any part 5mm or thicker formed thermal insulator shall always be provided for the drain pipe 1 Install declination of the indoor unit is very important for the drain of the duct type air conditioner 2 Minimum thickness of the insulation for the connecting pipe sh...

Страница 24: ...Insulate and tape both the gas piping and liquid piping THERMAL INSULATION 5 7mm Indoor Outdoor WALL Make sure that there is no clearance here Overlap with thermal insulator for piping Thermal insulator for refrigerant pipe Local supply Thermal insulator for piping Local supply Hose crip for thermal insulator Local supply Union for liquid pipe Refrigerant pipe and thermal insulator Local supply Un...

Страница 25: ... pressing the room temperature checking button and down timer button for 3 sec onds at the same time To cancel the test run press any button After completing work be sure to measure and record trial run properties and store measured data etc Measuring items are room temperature outside temperature suction temperature blow out temperature wind velocity wind volume voltage current presence of abnorm...

Страница 26: ...ntained at more than 90 percent of the rated voltage marked on the name plate 7 Confirm that the cable thickness is as specified in the power sources specification Particularly note the relation between cable length and thickness 8 Never fail to equip a leakage breaker where it is wet or moist 9 The following troubles would be caused by voltage drop down Vibration of a magnetic switch damage on th...

Страница 27: ...charge hose to the service port 4 Air purging of the charge hose Open the low pressure valve on the charge set slightly to air purge from the charge hose 5 Set the liquid side valve to the closed position 6 Operate the air conditioner in cooling mode 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 ind...

Страница 28: ...s After purging the air use a torque wrench 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 discharge the refrigerant until the gauge indicates 3 to 5 kg cm2 g 6 Disconnect the charge set and the gas cylinder and set the 2 way and 3 way valves to the open position B...

Страница 29: ...rvice port 3 Open the valve Lo side on the charge set and discharge the refrigerant until the gauge indicates 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 refrigerant until the gauge indicates 0 5 to 1 kg cm2 G if this is the case it will not be necessary to apply a evacuatin Discharge the refrig...

Страница 30: ...rm that the gauge needle has moved toward 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 V...

Страница 31: ...rant it can be charged with a little at a time approximately 150g each time while operating the air conditioner in the cooling cycle however one time is not sufficient 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 discharged If the system has been char...

Страница 32: ...ature difference between intake and discharge air depends on room air humidity When the room air humidity is relativery higher temperature difference is smaller When the room air humidity is relatively lower temperature difference is larger 2 Check temperature and pressure of refrigeration cycle Notice 1 The suction pressure is usually 4 5 6 0 kg cm2 G at normal condition 2 The temperature can be ...

Страница 33: ...sformer AC220V Is the input voltage of IC01D DC14V Check the FUSE and the wiring diagram Is the output voltage of IC01D DC12V Is the PIN 31 32 of MICOM DC5V Exchange MICOM YES NO Check the main P C B pattern NO NO Check the D02D D05D NO YES Exchange the transformer Is shorted the transformer output NO YES Is the output voltage of IC02D DC5V NO Exchange IC01D Exchange IC02D Is the output voltage of...

Страница 34: ...ctor CN MOTOR YES Is the each Relay any problem YES NO YES It is normal operation Exchange IC01M Exchange Relay NO YES YES YES Is the LCD operated normally Is the terminal of wired Remocon T2 DC12V Is the pin 31 32 of Micom DC 5V Change the wired Remocon Check the wired Remocon PCB and DC 12V pattern NO NO Check the parts of communication Connector CN Remo and terminals of wired Remocon exactly Po...

Страница 35: ...GE Internal Use Only Possible Trouble 4 Ineffective Heating YES YES NO YES Is it Heating Mode Does the temperature set all right Change IC01M NO NO Adjust operation mode Adjust set temperature Is IC01M operated normally YES Check the connector CN OUT CN AC1 2 Check RY 4Way NO Is 4way valve operated ...

Страница 36: ... 36 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Electronic control device MAIN P C B ASM ...

Страница 37: ... 37 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Schematic Diagram Room TH 220 240V 1ø 50 Hz ...

Страница 38: ...aining and service purposes LGE Internal Use Only Exploded View and Replacement Parts List 1 Indoor Unit 330860 152302 35211CA 35211CB 267110A 267110B Option 268711B 346810 237203 349600A 336610A 336610B 359012B 359012A 354210 W0CZZA 263230B 263230A 147901 249951 W3001 ...

Страница 39: ...eserved Only for training and service purposes LGE Internal Use Only 2 Outdoor Unit 435512 554031A 349600B 437210 435311 559010 430411 546810 554031B 649950 268711F W0CZZB 567480 561410 554160 552202 552201 552203B 552203A 566000 435511 437212 137213 ...

Страница 40: ...ight reserved Only for training and service purposes LGE Internal Use Only 2 Outdoor Unit Model LB F3660CL 435512 554031A 349600B W0CZZC 437210 435311 559010 430411 546810 554031B 649950 W0CZZB 567480 554160 552203B 552203A 435511 437212 137213 ...

Страница 41: ...P NO 3828A30074M APRIL 2008 ...

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