LG LT-D3680FH Скачать руководство пользователя страница 11 | Manualshive

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L6

L7

L8

L9

L4

H

L11

L10

L5

W

D

L1

L2

L3

Gas side
3-way valve

Liquid side
3-way valve

Model

Dimension

W

mm

900

H

mm

1225

D

mm

370

L1

mm

460

L2

mm

45

L3

mm

410

L4

mm

1135

L5

mm

90

L6

mm

550

L7

mm

175

L8

mm

175

L9

mm

112

L10

mm

120

L11

mm

83

LT-D4880RJ/RH

LT-D4880FJ/FH

• Model : LT-D4880RJ/RH, LT-D4880FJ/FH

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Содержание LT-D3680FH

Страница 1: ...Ceiling Cassette Air Conditioner SERVICE MANUAL MODELS LT E1860RJ RH LT E2460RJ RH LT D3680RJ RH FJ FH LT D4880RJ RH FJ FH ...

Страница 2: ...ions 8 Refrigeration Cycle Diagram 12 Wiring Diagram 13 Operation Details 16 Installation of Indoor Outdoor Unit 19 Cycle 34 Cycle Troubleshooting Guide 37 Electronic Parts Troubleshooting Guide 38 Electronic Control Device 41 Schematic Diagram 42 Exploded View and Replacement Parts List 43 2 ...

Страница 3: ...hr 48 48 000 Btu hr Cooling Heating Capacity H Non Plasma filter Model R 407C J Plasma filter Model R 407C R Heat Pump New Ref F Cooling Only New ref Development Sequence Options Electric Standard Volts Freq Phase LT LG Ceiling Cassette Type Air Conditioner Type of Air Conditioner D D Chassis E E Chassis Chassis Type Model Type ...

Страница 4: ...0mm is possible High Ceiling corresponding Function According to the height of ceiling the RPM of indoor fan motor is selected to increase air reaching distance Central Control Optional It is operating individually or totally by central control function Group Control Optional Wiring Each controller can control 16 units and 8 controllers can be connected It operates maximum 16 units by only one wir...

Страница 5: ...Cooling model only Heating model only Low Med High Cooling Operation Mode Heating Operation Mode Auto Operation Mode Soft Dry Operation Mode Fan Operation Mode HI JET AUTO MED LO Program Holiday SET CLR Min Hour Week Timer Cancel Timer Cancel High 39 C LOW 11 C Fan Operates without cooling heating Cooling Heating Down to 18 C Up to 30 C Down to 16 C Up to 30 C ...

Страница 6: ...apacity Cooling kcal h W Btu h Heating kcal h W Btu h Input Cooling W Heating W Running Current Cooling A Heating A E E R W W C O P W W Air Circulation Indoor m3 min Outdoor m3 min Moisture Removal h Air Flow Direction Control Heating Operation Mode Fan Speeds steps Auto Operation Changeover Forced Operation Jet Cool Soft Dry Operation Timer Delay Safety Function Feature Air Deflection Way Self Di...

Страница 7: ... 35mm 1 4 6 35mm 3 8 9 52mm 3 8 9 52mm 5 8 15 88mm 5 8 15 88mm 3 4 19 05mm 3 4 19 05mm Ø25 32 Ø25 32 Ø25 32 Ø25 32 LT D3680RJ LT D3680RH LT D3680FJ LT D3680FH LT D4880RJ LT D4880RH LT D4880FJ LT D4880FH Power Supply ø V Hz Capacity Cooling kcal h W Btu h Heating kcal h W Btu h Input Cooling W Heating W Running Current Cooling A Heating A E E R W W C O P W W Air Circulation Indoor m3 min Outdoor m3...

Страница 8: ...Dimensions 8 269 670 55 570 269 190 5 160 52 90 90 120 4 30 521 670 570 450 40 110 110 670 670 CLOSE OPEN OPEN CLOSE 1 Indoor Unit Model LT E1860RJ RH LT E2460RJ RH ...

Страница 9: ... 9 290 950 950 950 950 290 210 5 180 52 140 40 110 30 90 90 110 55 840 785 840 678 Model LT D3680RJ RH LT D3680FJ FH LT D4880RJ RH LT D4880FJ FH ...

Страница 10: ...ide 2 3 way valve W L6 L7 L8 L9 L4 L11 L10 D L1 L2 L5 L3 MODEL DIM W mm 870 870 H mm 655 800 D mm 320 320 L1 mm 370 370 L2 mm 25 25 L3 mm 340 340 L4 mm 630 630 L5 mm 25 25 L6 mm 546 546 L7 mm 162 162 L8 mm 162 162 L9 mm 54 54 L10 mm 74 5 74 5 L11 mm 79 79 LT E1860RJ RH LT E2460RJ RH LT D3680RJ RH LT D3680FJ FH ...

Страница 11: ...e 3 way valve Liquid side 3 way valve Model Dimension W mm 900 H mm 1225 D mm 370 L1 mm 460 L2 mm 45 L3 mm 410 L4 mm 1135 L5 mm 90 L6 mm 550 L7 mm 175 L8 mm 175 L9 mm 112 L10 mm 120 L11 mm 83 LT D4880RJ RH LT D4880FJ FH Model LT D4880RJ RH LT D4880FJ FH ...

Страница 12: ...ERSING H EX Gas Side Gas Side Liquid Side CAPI CAPI Heating Cooling OUTDOOR UNIT INDOOR UNIT H EX Liquid Side Liquid Side Gas Side COMPRESSOR VALVE REVERSING H EX Gas Side Gas Side Liquid Side CAPI CAPI Heating Cooling OUTDOOR UNIT INDOOR UNIT H EX Liquid Side Liquid Side Liquid Side COMPRESSOR H EX Gas Side Gas Side Gas Side CAPI CAPI OUTDOOR UNIT ...

Страница 13: ...WHEN CONNECTING FIRE ALARM SYSTEM INDOOR WIRING DIAGRAM OUTDOOR WIRING DIAGRAM INDOOR MOTOR DRAIN PUMP STEP MOTOR PIPE THERMISTOR REMOTE CONTROL FLOAT S W CN DISP DISPLAY PCB AIR CLEANER H V ASSY DOOR S W TERMINAL BLOCK TO OUTDOOR UNIT 3854A20072G BR YL BK OR BL BL BR GN YL RD BK BL GN YL COMP RD BK WH RD BK 1 2 3 4 5 FUSE T3 15A 4 WAY OPTIONAL EXTRA TEMP THERMISTOR 3854A20126X CM 52C T1 2 1 4 3 6...

Страница 14: ...ISTOR R POWER SUPPLY MAGNETIC CONTACTER CRANK CASE HEATER S T N BK BK BK BK BK WH WH WH WH RD BK BL WH D P TNS NO NO pipe TH NC NC WH OR WH BK BK OR BK BK BK WH POWER RELAY 1 2 3 4 5 6 31 T B3 T B2 T B1 32 B A FAN MOTOR FAN MOTOR YL BK OR BK T3 T2 T1 RD BK WH COMP 1 2 3 4 5 6 7 8 YL BK OR OR BK BK BL BL BK WH CAPACITOR CAPACITOR REVERSING VALVE BR BL BR BL GN YL GN YL TERMINAL BLOCK To the indoor ...

Страница 15: ... 4 5 6 7 8 9 WH BK BL LOW AMBIENT KIT PIPE TH WH WH T3 T2 T1 2 1 4 6 32 A B 31 3 5 52C FUSE R S T N 1 L 3 4 5 GN YL To the indoor unit 3Ø 50Hz 380 415V POWER SUPPLY WIRING OF FIELD CONNECTING WIRE TMo TB 2 N BK BK BK BK RD RD YL WH WH WH WH FMo INDOOR WIRING DIAGRAM OUTDOOR WIRING DIAGRAM 3854A20077F 3854AP20072J INDOOR MOTOR DRAIN PUMP STEP MOTOR TEMP THERMISTOR PIPE THERMISTOR REMOTE CONTROL FLO...

Страница 16: ...nd down automatically 3 Air Filter Checking Control Filter sign will appear on the remote controller display and main body display when an air filter is polluted Then clean the air filter referring to Owners Manual 4 Soft Dry Operation The indoor fan speed is automatically set to the low and fan speed control is not available because of already being set to the best speed for Dry Operation by Mico...

Страница 17: ...operates at low speed 6 Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as follows Hot Start Low OFF Selected Fan Speed minimum 3min Selecting fan speed Low Low Low OFF OFF minimum 10sec 1min A A minimum 1min minimum 10sec B 7 Hot Start Control The indoor fan stops until the evaporator piping temperature reaches to 2...

Страница 18: ...e in heating mode operation 1st priority Defrost control is carried out according to the indoor pipe temp 60 min later since heating mode opera tion started 2nd priority The temp differences between the indoor pipe temp and the intake air temp 25 min later T1 and 45 min later T2 since heating mode operation started are measured then defrost control is carried out according to the dirrerence T T1 T...

Страница 19: ...e wall ceiling or other obstacles The indoor unit must have the maintenance space around 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 air discharged Ensure the spaces indicated by arrows from the wall ceiling ...

Страница 20: ... and hanging bolt location The dimensions of the paper model for installing are the same as those of the ceiling opening dimensions Select and mark the position for fixing bolts and piping hole Decide the position for fixing bolts slightly tilted to the drain direc tion after considering the direction of drain hose Drill the hole for anchor bolt on the wall This air conditioner uses a drain pump I...

Страница 21: ...ller Installation Although the room temperature sensor is in the indoor unit the remote controller should be installed in such places away from direct sunlight and high humidity Installation of the remote controller Select places that are not splashed with water Select control position after receiving customer approval The room temperature sensor is built in the indoor unit This remote controller ...

Страница 22: ...amps on the wall by ø 3 tapping screws accessory Fix the remote control cord WIRED REMOTE CONTROL INSTALLATION REMOTE CONTROL PREPARATION OPTIONAL DISASSEMBLING ELECTRICAL WIRING HOW TO MOUNT ON A WALL HOW TO INSERT BATTERIES Wire and make sure that teminal numbers are matched on unit side and remote controller side The maximum length of the cord is 100m If the length of the cord exceeds 50m use a...

Страница 23: ...3 5mm2 48K Control box cover Indoor power cord Remote controller cord Control box cover fitting screw 2 units Terminal Block of Indoor Unit 1 L 2 N 3 4 5 L N 1 2 4 3 5 Terminal Block of Outdoor Unit Power Cord Terminal Block of Indoor Unit 1 L 2 N 3 4 5 L N 1 2 4 3 5 Terminal Block of Outdoor Unit Power Cord Terminal Block of Indoor Unit 3 L 4 N 5 6 7 1 L 2 N 3 L 4 N 5 6 7 8 Terminal Block of Outd...

Страница 24: ...OCAL REGULATION Main power source Switch box Refrigerant pipe Circuit Breaker Use circuit breaker or time delay fuse ELECTRICAL WIRING CONNECTING THE CABLE TO OUTDOOR UNIT 1 Remove the Cover control from the unit by loosening a screw Connect the wires to the terminals on the control board individually as following 2 Secure the cable onto the control board with the hold er clamper 3 Refix the cover...

Страница 25: ...red distance Cut the cable 1 5m longer than the pipe length 2 Burrs removal Completely remove all burrs from the cut cross section of pipe tube Put the end of the copper tube pipe to downward direc tion as you 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 remova...

Страница 26: ...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 ser vice ports of both the liquid and gas side valves Use two wrenches and tighten with regular torque Outdoor unit Liquid side Flare connection Flare connection Gas side Indoor unit Union Flare nut fastening torque...

Страница 27: ... two temporarily fixed screws and other two screws Total 4 screws 5 Connect the louver motor connector and display connector 6 After tightening these screws install the air inlet grille including the air filter Decorative panel fixing screws hexagon M5 screws Temporally fitting at 2 places Tightening about 10mm Control box cover Piping side Inlet Grille Inlet Grille Inlet Grille Inlet Grille Inlet...

Страница 28: ... to the exterior and leave it provisionally until the test comes to an end Feed water to the flexible drain hose and check the piping for leakage Be sure to check the drain pump for normal operating and noise when electrical wiring is complete When the test is complete connect the flexi ble drain hose to the drain port on the indoor unit Heat insulation material Polyethylene foam with thickness mo...

Страница 29: ...ck pip ing and drain piping add further 10mm to 30mm thickness material Indoor unit Thermal insulator accessory Fastening band accessory Refrigerant piping HEAT INSULATION 1 Wrap the connecting portion of indoor unit with the Insulation material and secure it with two Plastic Bands for the right pipings If you want to connect an additional drain hose the end of the drain outlet should keep distanc...

Страница 30: ...18 minutes later automatically The test run is started by 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 data are room temperature outside temperature suction temperature blow out temperature air ...

Страница 31: ...aker switch between power source and the unit 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 elec...

Страница 32: ...main body and of remote controller sensor 3 Move the slide switch to set position 4 Close the rear cover and check if it works normally TH R14H SW TH REMO MAIN 2TH OP7 R18H R17H OP6 LO STAND SW HIGH HI R03S C070 R04S R02S R01S OP3 OP2 OP1 R19H R11H R13H R12H OP5R16H OP4 R15H CO1H REMO Room Temp sensor 2TH MAIN Position 2 Position 1 Position 3 Slide switch for ceiling height Slide switch for 2Therm...

Страница 33: ...ration after connecting the brown and yellow wire of each air conditioner Remove the resistor OP 7 in remote controller It operates maximum 16 Units by only one Wired Remote Controller and each Unit starts sequentially to prevent overcurrent Wiring design Features Use Only One Wired Remote Controller with several air conditioners max 16 Units Random starting to prevent overcurrent Operation unit Z...

Страница 34: ... this test is only for checking whether pipe connection is OK or not 5 If there is no leakage discharge N2 in piping completely into tank for retrieving Completely discharge is needed for vacuuming If leakage is found please fasten the joint more tightly 6 After closing the valve of charging hose disconnect the tank and connect the vacuum pump to charging hose and open the valve again for vacuumin...

Страница 35: ...and then close it tightly 3 Operate the air conditioner for 10 15 min until cycle is stabilized 4 Close the spindle of service port liquid side high pressure and wait till pressure of gas side low pressure drops below 0 kgf cm2 5 After the needle of gage indicates below 0 kgf cm2 close the valve of gas side quickly and turn off the power 6 Disconnect the piping between indoor and outdoor unit and ...

Страница 36: ...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 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 charged with liquid refrigerant while operating the air conditioner ...

Страница 37: ...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 measured by attaching the thermometer to the low pressure tub...

Страница 38: ...YES NO YES Is the input voltage AC230V Check the FUSE and the wiring diagram Is the PIN 49 58 of MICOM DC5V Exchange MICOM YES NO Check the main P C B pattern NO YES Is the output voltage of IC03D DC5V NO Exchange IC03D Is the input voltage of IC03D about DC12V Check the 5V P C B pattern ...

Страница 39: ...s the each Relay any problem YES NO YES It is normal operation Exchange IC01M Exchange Relay 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 Check RY 4Way NO Is 4way valve operated Possible Trouble 3 Ineffective Heating ...

Страница 40: ...d normally Check the motor and connector CN LOUVER Exchange IC01M NO YES YES YES Is the LCD operated normally Is the terminal of wired Remocon T2 DC12V Is the pin 39 40 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 ...

Страница 41: ... 41 Electronic control device MAIN P C B ASM ...

Страница 42: ...2D TLP521 C05D 681 5V DISPLAY TFMS 2380B PRE AMP LED2 LED3 LED4 Vout GND Vcc LED1 7 7 4 5 6 4 5 6 1 1 2 3 2 3 5V 29 32 30 31 REMO 26 27 28 24 25 21 22 23 20 19 3 7 8 NF01M 5V ZNR01M NF01M SSR 8 KID65004AF IC01M DC 12V 50 60Hz REMO 13 18 17 16 14 15 11 12 10 9 DC 12V STEP M STEP M STEP M DC 12V KID65004AF IC02M 5 7 6 4 3 103 2 1 1M 1 2W 275V C02J 100nF 3 1 3 1 2 2 M_RTX AC_L 275V C01J 100nF 3 4 NF ...

Страница 43: ...Exploded View and Replacement Parts List 1 Indoor Unit Model LT E1860RJ LT E1860RH LT E2460RJ LT E2460RH 43 354211 249951 266090 268714 263230 266012 35211A 263230 2 352118 330870 158591 159830 ...

Страница 44: ... 44 346810 130411 359012 159830 135802 135312 2 W0CZZ 135312 1 267110 1 267110 2 130911 1 130911 2 268712 146811 ...

Страница 45: ...TCH ASSY FLOAT 6601A20001F 6601A20001F 6601A20001F 6601A20001F 266090 H V ASSY 6609A20005C 6609A20005C 267110 1 REMOTE CONTROLLER ASSY 6711A10002B 6711A10002A 6711A10002B 6711A10002A 267110 2 REMOTE CONTROLLER ASSY 6711A20039K 6711A20039H 6711A20039K 6711A20039H 268712 PWB PCB ASSY DISPLAY 6871A20096A 6871A20096A 6871A20096A 6871A20096A 268714 PWB PCB ASSEMBLY MAIN 6871A10040Q 6871A10040Q 6871A100...

Страница 46: ...el LT D3680RJ LT D3680RH LT D3680FJ LT D3680FH LT D4880RJ LT D4880RH LT D4880FJ LT D4880FH 46 266090 130411 354211 1 158591 330870 263230 352118 1 266012 552111 55211 2 159830 354211 2 249951 268714 263230 ...

Страница 47: ... 47 130411 346810 152312 135314 135802 359012 130911 3 130911 1 352150 2 W0CZZ 146811 137211 130911 4 130911 2 267110 1 267110 2 268712 ...

Страница 48: ...RMISTOR ASSY 6323AQ3226F 6323AQ3226F 6323AQ3226F 6323AQ3226F 266012 SWITCH ASSY FLOAT 6601A20001F 6601A20001F 6601A20001F 6601A20001F 266090 H V ASSY 6609A20005D 6609A20005D 6609A20005D 6609A20005D 267110 1 REMOTE CONTROLLER ASSY 6711A10002B 6711A10002A 6711A10002Q 6711A10002P 267110 2 REMOTE CONTROLLER ASSY 6711A20039K 6711A20039H 6711A20039J 6711A20039G 268712 PWB PCB ASSY DISPLAY 6871A20096C 68...

Страница 49: ... 6323AQ3226F 6323AQ3226F 6323AQ3226F 6323AQ3226F 266012 SWITCH ASSY FLOAT 6601A20001F 6601A20001F 6601A20001F 6601A20001F 266090 H V ASSY 6609A20005D 6609A20005D 267110 1 REMOTE CONTROLLER ASSY 6711A10002B 6711A10002A 6711A10002Q 6711A10002P 267110 2 REMOTE CONTROLLER ASSY 6711A20039K 6711A20039H 6711A20039J 6711A20039G 268712 PWB PCB ASSY DISPLAY 6871A20096C 6871A20096C 6871A20096C 6871A20096C 26...

Страница 50: ...0 2 Outdoor Unit Model LT E1860RJ LT E1860RH LT E2460RJ LT E2460RH 435512 546810 554031 554160 552203 1 649950 W6920 552202 561410 W0CZZ 1 552203 2 559010 435301 349480 437212 437210 W0CZZ 2 552115 552111 ...

Страница 51: ...81A20013A 4681A20013D 4681A20013D 552202 VALVE REVERSING 3A02027A 3A02027A 3A02027A 3A02027A 552203 1 VALVE SERVICE 2H02479F 2H02479F 2A00392E 2A00392E 552203 2 VALVE SERVICE 2H01890D 2H01890D 2H02479D 2H02479D 554031 CONDENSER ASSY BENT 5403A20022F 5403A20022F 5403A20022F 5403A20022F 554160 COMPRESSOR SET 2520UWFP2AA 2520UWFP2AA 2520UVAP2AA 2520UVAP2AA 559010 FAN ASSEMBLY PROPELLER 1A00195B 1A001...

Страница 52: ... Model LT D3680RJ LT D3680RH LT D3680FJ LT D3680FH 437210 349490 435301 435512 546810 268711 263230 552201 554160 552203 1 552203 2 137213 2 447900 430411 137213 1 554031 559010 552202 W0CZZ 649950 566000 ...

Страница 53: ...A20061A 4681A20061A 4681A20061A 552202 VALVE REVERSING 3A02027B 3A02027B 552203 1 VALVE SERVICE 2A00392L 2A00392L 2A00392L 2A00392L 552203 2 VALVE SERVICE 2H02479F 2H02479F 2H02479F 2H02479F 554030 CONDENSER ASSY BENT 5403A20047B 5403A20047B 5403A20047F 5403A20047F 554160 COMPRESSOR 5416A20031A 5416A20031A 5416A20031A 5416A20031A 559010 FAN ASSEMBLY PROPELLER 1A00195B 1A00195B 1A00195B 1A00195B 56...

Страница 54: ... D4880RJ LT D4880RH LT D4880FJ LT D4880FH 435512 546810 649950 430411 437212 268711 552203 1 548490 552203 2 435301 559010 137212 566000 552202 W6920 554031 554031 566001 W0CZZ 1 W0CZZ 2 561410 435511 437210 554160 ...

Страница 55: ... ASSY OUTDOOR 4681A20008R 4681A20008R 4681A20008R 4681A20008R 548490 ACCUMULATOR ASSY MECH 4849A20001B 4849A20001B 4849A20001J 4849A20001J 552203 1 VALVE SERVICE 2A00393Q 2A00393Q 2A00499A 2A00499A 552203 2 VALVE SERVICE 2A00499A 2A00499A 2A00393Q 2A00393Q 554031 1 CONDENSER ASSY BENT 5403AP2378V 5403AP2378V 5403AP2378B 5403AP2378B 554031 2 CONDENSER ASSY BENT 5403AP2378X 5403AP2378X 5403AP2378B 5...

Страница 56: ...P No 3828A30023K December 2000 Printed in Korea P No 3828A20050T April 2002 Printed in Korea ...

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