LG LT-C1260CL Скачать руководство пользователя страница 9 | Manualshive

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Wiring Diagram

HEAT PUMP

COOLING ONLY

OUTDOOR WIRING DIAGRAM

INDOOR WIRING DIAGRAM

FAN

MOTOR

COMP

C S R

OLP

YL

YL

BL

BL

RD

RD

BR

RD

BL

BL

BR

GN/YL

BL

BL

BL

RD

BK

BK

BL

BR

BR

RD

BL

BL

CAPACITOR

3854A20072K

F

C

H

PTC

4

8

6

1

0

2

4

5

7

8

9

TERMINAL

BLOCK

TO INDOOR UNIT

POWER
RELAY

REVERSING

VALVE

TB

CAPACITOR

TEMP

THERMISTOR

PIPE

THERMISTOR FLOAT S/W

MAIN PCB ASSY

STEP

MOTOR

REMOTE

CONTROL

CN-STEP/M

CN-REMO

CN-POWER

CN-CC

CN-DISP

DISPLAY PCB ASSY

CN-ROOM CN-PIPE

CN-FLOAT

CN-MOTOR

CN-D/PUMP

INDOOR

MOTOR

BR

BR

BK

OR

YL

BR

BL

BL

RD

BK YL

GN/YL

TERMINAL
BLOCK

POWER

INPUT

TO OUTDOOR UNIT

1(L) 2(N) 4 5

DRAIN
PUMP

3854A20072N

FUSE T3.15A

7

8

9

GN/YL

GN/YL

GN/YL

4WAY

OUT FAN

OUTDOOR WIRING DIAGRAM

INDOOR WIRING DIAGRAM

FAN

MOTOR

COMP

C S R

OLP

YL

YL

BL

BL

RD

RD

BR

RD

BL

BL

BR

GN/YL

BL

BL

BL

RD

BL

BR

BR

RD

BL

BL

CAPACITOR

3854A20072M

F

C

H

PTC

4

8

6

1

0

2

4

5

7

8

9

TERMINAL

BLOCK

TO INDOOR UNIT

POWER
RELAY

TB

CAPACITOR

TEMP

THERMISTOR

PIPE

THERMISTOR FLOAT S/W

MAIN PCB ASSY

STEP

MOTOR

REMOTE

CONTROL

CN-STEP/M

CN-REMO

CN-POWER

CN-CC

CN-DISP

DISPLAY PCB ASSY

CN-ROOM CN-PIPE

CN-FLOAT

CN-MOTOR

CN-D/PUMP

INDOOR

MOTOR

BR

BR

BK

OR

YL

BR

BL

BL

RD

GN/YL

TERMINAL
BLOCK

POWER

INPUT

TO OUTDOOR UNIT

1(L) 2(N) 4 5

DRAIN
PUMP

3854A20072L

FUSE T3.15A

7

8

9

GN/YL

GN/YL

GN/YL

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Содержание LT-C1260CL

Страница 1: ...Ceiling Cassette Air Conditioner SERVICE MANUAL MODELS LT C1260CL LT C1260HL LT C1262HL ...

Страница 2: ...le Diagram 8 Wiring Diagram 9 Operation Details 10 Installation of Indoor Outdoor Unit 13 2 way 3 way valve 29 3 way Valve 31 Cycle Troubleshooting Guide 36 Electronic Parts Troubleshooting Guide 37 Electronic Control Device 40 Schematic Diagram 41 Exploded View and Replacement Parts List 42 2 ...

Страница 3: ...of up to 700mm is possible High Ceilingcorresponding Function According to the height of ceiling the RPM of indoor fan motor is selectable 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 connect It operates maximum 16 units by only ...

Страница 4: ...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 5: ... AWG P mm2 Service Valve Liquid inch mm Gas inch mm Installation Pipe Length m Elevation m Insulation material thickness Drain Hose I D O D mm Product Specifications Cooling Heating 5 1 220 240 50 3 024 3 516 12 000 1 200 5 5 22 2 52 10 25 1 5 O X 4 O O O O O 1 O X O O O O Optional O X 800 860 x 390 x 180 1050 x 480 x 30 770 x 540 x 245 17 14 3 31 14 3 2 5 18 4 0 75 1 4 6 35 1 2 12 7 15 7 FoamPE 5...

Страница 6: ...Dimensions 6 694 5 1050 480 846 860 328 4 30 8 390 893 4 931 6 16 7 50 42 7 7 430 130 Ø80 Ø55 180 91 6 155 97 7 37 116 3 141 8 180 164 194 4 91 6 180 1 Indoor Unit ...

Страница 7: ... 2 Outdoor Unit 7 W L2 L3 L1 D H L4 L5 Gas side 3 way valve Liquid side 2 way valve MODEL 12K Btu Series DIM unit W mm 770 H mm 540 D mm 245 L1 mm 287 L2 mm 64 L3 mm 518 L4 mm 10 L5 mm 100 ...

Страница 8: ...x 30g 8 INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR ACCUMU LATOR GAS SIDE 3 WAY VALVE LIQUID SIDE 2 WAY VALVE CAPILLARY TUBE CHECK VALVE Heating Model only COOLING HEATING REVERSING VALVE Heating Model Only 12K Btu h 1 2 1 4 7 5 15 5 7 30 Capacity GAS LIQUID Elevation m Length m Additional refrigerant g m Pipe Size Rated Rated Max Max ...

Страница 9: ...RD BK YL GN YL TERMINAL BLOCK POWER INPUT TO OUTDOOR UNIT 1 L 2 N 4 5 DRAIN PUMP 3854A20072N FUSE T3 15A 7 8 9 GN YL GN YL GN YL 4WAY OUT FAN OUTDOOR WIRING DIAGRAM INDOOR WIRING DIAGRAM FAN MOTOR COMP C S R OLP YL YL BL BL RD RD BR RD BL BL BR GN YL BL BL BL RD BL BR BR RD BL BL CAPACITOR 3854A20072M F C H PTC 4 8 6 1 0 2 4 5 7 8 9 TERMINAL BLOCK TO INDOOR UNIT POWER RELAY TB CAPACITOR TEMP THERM...

Страница 10: ...and down automatically 3 Air Filter Checking Control Filter will display in the remote controller display and main body display when an air filter is polluted Then clean the air filter for reference to Owners Manual 4 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 Oper...

Страница 11: ... when it becomes lower than 33 C the fan operates at low speed 6 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 OFF Selecting Fan Speed minimum 3min Selecting fan speed minimum 10sec 1min A A minimum 1min minimum 10sec B 7 Hot Start Control The indoor fan stops until t...

Страница 12: ...MPRESSOR 4 WAY VALVE INDOOR FAN 6 C ON 12 C OFF The outdoor piping Temp ON More than 10 min running of compressor More than 45 minutes of heating operation 5sec HOT START ON 9 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 no...

Страница 13: ...posure 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 fence or other obstacles 3 Piping length and the elevation Unit cm Ceiling Ceiling Board Ceiling Board 20 or more Above 250 330 or less 100 or more 50 or more 50 or more 30 or l...

Страница 14: ... 3 Avoid places where inflammable gas is generated flows in is stored or vented 4 Avoid places where sulfurous acid gas or corrosive gas is generated 5 Avoid places near high frequency generators 2 Ceiling opening dimensions and hanging bolt location Ceiling board Level gauge Ceiling Use the ventilation fan for smoke collecting hood with sufficient capacity Cooking table Air conditioner Take enoug...

Страница 15: ...ler 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 e...

Страница 16: ...mps 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 ONTO 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 ...

Страница 17: ...m Power cord Remote control cord In Out connecting wire Control box cover Terminal Block of Outdoor Unit 4 L 5 N 7 8 9 1 L 2 N 4 L 5 N 7 8 9 Terminal Block of Indoor Unit Power Cord Terminal Block of Outdoor Unit 4 L 5 N 7 8 9 1 L 2 N 4 L 5 N 7 8 9 Terminal Block of Indoor Unit Power Cord 5 Wiring Connection Open the control box cover and connect the Remote controller cord and Indoor power wires H...

Страница 18: ...re and connector to meet the LOCAL 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 hol...

Страница 19: ...laring 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 Check Compare the flared work with figure below If flare is noted to be defective cut off the flared section and do flaring work again 19 Copper tube 90 Slanted Uneven Rough Pipe Reamer Point down Flare nut Copper tube Bar Copper pi...

Страница 20: ...ing 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 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 conne...

Страница 21: ...other two screws Total 4 screws 5 Connect the louver motor connector and display connector and room temp thermistor connector 6 After tightening these screws install the air inlet grille including the air filter and push middle point of inlet grille 7 Assemble the cover display and the cover Piping side Decorative panel fixing screws Hexagon M6 screw Air conditioner unit Decorative panel Cover dis...

Страница 22: ...he 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 more th...

Страница 23: ...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 24: ...d 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 items are room temperature outside temperature suction temperature blow out temperature w...

Страница 25: ...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 26: ...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 27: ...lide switch for 2Thermistor Standard Default Low ceiling High Ceiling Ceiling height Mode of slide switch Change of air volume Remark more than 3 0m High Ceiling Increasing 2 4 3 0m Standard less than 2 4m Low Ceiling Decreasing Maunfactured in standard mode NOTICE NOTICE OUTDOOR WIRING DIAGRAM INDOOR WIRING DIAGRAM FAN MOTOR COMP C S R OLP YL YL BL BL RD RD BR RD BL BL BR GN YL BL BL BL RD BK BK ...

Страница 28: ...in PCB 1 Main PCB 2 Main PCB 16 Wired Remote Controller Slide Switch OP7 Remote Controller PCB Indoor Unit 2 Main PCB Indoor Unit 16 Connector RED 12V YL SIGNAL YL SIGNAL YL SIGNAL BR GND BR GND BR GND Connecting Cable Local Supply Connector Connector Be careful not to exchange the color of wires The maximum length of connecting wire should be below 200m 25Ω on connecting each units Use a wire mor...

Страница 29: ...fold 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 Flare nut To piping con...

Страница 30: ...he 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 way val...

Страница 31: ... 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 indicating 3 to 5kg cm2 g 8 Disconnect the charge set and moun...

Страница 32: ...lare 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 Be sure to use a hexagonal wrench to operate the valve stems ...

Страница 33: ...scharge 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 refrigerant gradually if it is discharged too suddenly the refrige...

Страница 34: ...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 2 Way valve Outdoor unit Liquid side Indoor unit ...

Страница 35: ... 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 charged with liquid refrigerant while operating the air conditio...

Страница 36: ...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 37: ...YES Is the input voltage of transformer 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 38: ...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 39: ...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 40: ... 40 Electronic control device MAIN P C B ASM ...

Страница 41: ...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 42: ...ploded View and Replacement Parts List 1 Indoor Unit 42 135312 159830 140570 249951 159830 135802 137213 330860 266090 137213 349600 2671100 2671100 354211 130411 354212 158591 266012 268712 346810 263230 ...

Страница 43: ...A 354211 EVAPORATOR ASSY 5421A10014A 5421A10014A 5421A10014A 263230 THERMISTOR ASSY 6323AQ3226E 6323AQ3226E 6323AQ3226E 354212 ELBOW DRAIN ASSY 5251A20001A 5251A20001A 5251A20001A 158591 PUMP WATER 5851A10001F 5851A10001F 5851A10001F 266012 FLOAT SWITCH ASSY 6601A20001E 6601A20001E 6601A20001E 249951 CONTROL BOX ASSY 4995A10024E 4995A10024E 4995A10024E 137213 MAIN PWB ASSY 6871A10008W 6871A10008W ...

Страница 44: ... 44 2 Outdoor Unit 437212 552202 554160 550140 W0CZZ 437210 559010 546810 552203 1 552203 2 554031 430410 649950 447910 ...

Страница 45: ...RONT 3721A20027B 3721A20027B 3721A20027B 554160 COMPRESSOR 5416A20003L 5416A20003L 5416A20003L 550140 ISOLATOR 4H00982E 4H00982E 4H00982E 554031 CONDENSOR ASSY 5403A20026B 5403A20026B 5403A20026B 552203 1 SERVICE VALVE 2H02479H 2H02479H 2H02479H 552203 2 SERVICE VALVE 2H01890L 2H01890L 2H01890L 552202 REVERSING VALVE 5220AR3084A 5220AR3084A 649950 CONTROL BOX ASSY 4995A20063F 4995A20063E 4995A2006...

Страница 46: ...P No 3828A20048E February 2001 Printed in Korea ...

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