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CAUTION

After the confirmation of the above conditions, prepare the wiring as follows:

1) Never fail to have an individual power specialized for the air conditioner. As for the method of wiring,

be guided by the circuit diagram pasted on the inside of control box cover.

2) Provide a circuit breaker 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 electrical capacity is sufficient.

6) Be sure that the starting voltage is maintained 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 the contact point there of, fuse breaking, disturbance to the

normal function of a overload protection device.

• Proper starting power is not given to the compressor.

Teach the customer the operation and maintenance procedures, using the operation manual (air filter cleaning,
temperature control, etc.).

HAND OVER

Summary of Contents for LP-K2060CL/CA

Page 1: ...Package Air Conditioner SERVICE MANUAL MODEL LP K2060CL CA LP K3060CL CA LP K3020CL CA LP K4020CL CA ...

Page 2: ... Cycle Diagram 6 Wiring Diagram 7 Operation Details 9 Installation of Indoor Outdoor Unit 14 Test Running 24 3 way Valve 26 Cycle Troubleshooting Guide 31 Electronic Parts Troubleshooting Guide 32 Electronic Control Device 33 Schematic Diagram 34 Exploded View and Replacement Parts List 35 2 ...

Page 3: ...High Low Speed Cooling operates super high fan speed in cooling mode Maintains the room temperature in accordance with the Setting Temp Up up to 30 C Down down to 16 C The setting temperature indoor fan speed and desired operation mode are automatically set Intermittent operation of fan at low speed Restarting is inhibited for approx 3 minutes Used to circulate room air without cooling The power c...

Page 4: ...er 1 2 3 7 hour Speed cooling operates super high fan speed in cooling mode Airflow direction Auto swing and Manual Contol Up up to 30 C Down down to 16 C High Low Remote Control Operation ON OFF Cooling Operation Mode Auto Operation Mode Sot Dry Operation Mode Fan Operation Timer Control Jet Cool Energy Saving Airflow Direction Control Room Temperature Control Indoor Fan speed control ...

Page 5: ... mm DEPTH WIDTH OUTDOOR HEIGHT inch mm DEPTH NET WEIGHT INDOOR Ib kg OUTDOOR Ib kg CONNECTIONS LIQUID inch mm GAS inch mm 1 220 240 50 27 800 3 000 14 5 H25B35QABHA BRISTOL RECIPRO 30 200 2 83 85 48 58 670 19 2 046 58 63 5 1 8 3 22 18 2 24 18 SIROCO PROPELLER MICOM CONTROL 19 68 500 70 86 1800 12 59 320 34 25 870 25 78 655 12 59 320 88 18 40 138 6 63 3 8 Ø9 52 5 8 Ø15 88 1 220 60 36 000 3 500 17 C...

Page 6: ...ke Vent Air Intake Vent Rear Air Outlet Vent INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGER HEAT EXCHANGER COMPRESSOR GAS SIDE LIQUID SIDE COOLING HEATING REVERSING VALVE CHECK VALVE CAPILLARY TUBE CAPILLARY TUBE BY PATH CAPILLARY TUBE 6 Outdoor Unit Refrigeration Cycle Diagram ...

Page 7: ...YNC 250V 3A SM EVAP TH RY HIGH RY MID RY LO RD GN YL WH BK BK GN YL BL BR FUSE CN GND GN YL P No 3854A90012Q CIRCUIT DIAGRAM FAN MOTER COMP POWER RELAY POWER INPUT HIDDEN LINE FIELD WIRING CONNETING CABLE CAPACITOR BR BR BR BL BR OR BR BL BL TERMINAL BLOCK 6P 1 F1 F2 2 3 4 GN YL 5 6 BL BK BK BL BL BK BK BR C R S RD BL OR YL GN YL 2 6 4 8 0 1 CAPACITOR FAN MOTOR NOTE BL BK BR RD OR WH YL GN YL GREE...

Page 8: ...WH RD FUSE CONNECT TO OUTDOOR UNIT NOTE CM Co FMo Cr 52C Tmo1 2 63H COMPRESSOR MOTOR CAPACITOR FOR FAN OUTDOOR OUTDOOR FAN MOTOR RUN CAPACITOR FOR COMP MAGNATIC CONTACTOR TERMINAL BLOCK OUTDOOR HIGH PRESSURE SWITCH RD BL BK WH GY RED BLUE BLACK WHITE GRAY BR VT GN OR GN BROWN VIOLET GREEN ORANGE GREEN YELLOW YL FIELD WIRING OUTDOOR UNIT CIRCUT DIAGRAM CONNECT TO INDOOR UNIT P No 3854AP2708P CM POW...

Page 9: ...e procedure is as the following 1st Press the ON OFF Button to operate the product 2nd Press the Airflow Direction Control Button to swing the louver left and right automatically Remote controller 3rd Repress the Airflow Direction Control Button to set the louver as the desired position Remote controller ƒU8HP Model don t have this function 3 Cooling Mode Operation ƒU When selecting the Cooling Mo...

Page 10: ...ed by Fuzzy logic Intake Air Temp Indoor Fan Speed Compressor ON OFF Fuzzy Speed ON OFF Setting Temp 1 C Compressor ON Setting Temp 1 C Compressor OFF 3 minutes More than 3 minutes More than 5 Off Timer Function This function is to set the time of stopping the unit operation The procedure is as the following 1st Press the timer set button on the Remocon 2nd The buzzer sounds and then the display w...

Page 11: ...mpressor OFF temperature is the setting temperature minus 1 C When the room temperature rises over the compressor ON temperature the operation mode is switched to the Cool ing mode When the room temperature falls between the compressor ON temperature and OFF temperature the operation mode is switched to the Soft Dry Operation The operation diagram is shown below Intake Air Temp Indoor Fan Speed LO...

Page 12: ...rgy Saving If setting temperature of starting energy saving operation is under 22 C first setting temperature it up to 22 C and perform energy saving operation After energy saving operation starts if adaptation time of the human body pass from the point which room temperature and setting temperature meet together increase setting temperature 1 C more If it doesn t satisfy number even in 50 minutes...

Page 13: ...on over 3 sec onds at the same time During the operation if you push the stop button or push ON OFF button and the down room temperature checking button over 3 seconds at the same time the test operation will be cancelled and unit come to rest During the operation if you input remocon key or key on Display panel it performs its duties 3 Function It operates cooling fan speed is high comp on for 18...

Page 14: ...ll 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 discharged hot air Ensure the space indicated by arrows from the wall ceiling fence or other obstacles 14 Installation of Indoor Out...

Page 15: ...ere is any vibration transmitted to the build ing mount the rubber underneath the outdoor unit 4 Refrigerant amount Before shipment this air conditioner is filled with the rated amount of refrigerant including additional amount required for air purging subject to 5m pip ing length The rated amount of refrigerant is indi cated on the name plate But when the piping length exceeds 5 meters additional...

Page 16: ...gs of the indoor unit 8 Check a gas leakage of the connecting part of the pipings 9 Air purging of the piping and indoor unit The air which contains moisture and which remains in the refrigeration cycle may cause a malfunction on the compressor 10 Open the 3 way liquid side and 3 way gas side valves 11 Form the pipings To prevent heat loss and sweat 12 Checking the drainage indoor unit To ensure i...

Page 17: ...eon 22 Gas charge Air purge Cleaning the pipe 12 Spanner To tighten the connecting parts of the pipings 13 Monkey spanner 14 Driver 15 Benchi 150mm Cutting the wires 16 Tapeline To measure the length 17 Core drill To make holes through the concrete wall and blocks 18 Voltmeter Amperemeter Clampmeter To measure the current and voltage 19 Insulation resistance tester To measure the insulation resist...

Page 18: ...ing the pipes Insert the flare nuts mounted on the connection ports of both indoor and outdoor unit onto the copper pipes Some refrigerant 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 illustaration Flare the pipe ends ŒTape the flari...

Page 19: ... the bending process to prevent the tubing from cracking or crushing ØKeep in mind that the bending part should not be cracked and make the radius R as long as possi ble Refer to Fig 2 PIPE SIZE TORQUE 3 8 4 2 Kg m 1 2 5 5 Kg m 5 8 5 5 Kg m 3 4 6 5 Kg m Indoor unit tubing Flare nut Pipings Torque wrench Spanner Spring R70mm Fig 1 Fig 2 R 2 Connection of piping Move the indoor tubing and drain hose...

Page 20: ...le it should be inserted Bushing Rubber The inside and outside connecting cable can be connected after opening the inlet grille Knock out holes Open the inlet grille manually ŁConnet the supplied cables to the connector on the control board ØClose the inlet grille ...

Page 21: ...e flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench 2 Connecting cable to outdoor unit Open the control board cover from the outdoor unit by removing the screws ŁConnect wires to the terminals on the control board individually and secure the cables onto the control board with clamp Connecting Piping and the Cable to Outdoor Unit PIPE SIZE TORQUE 3 8 4...

Page 22: ...ted for service operations Ø The screws which fasten the wiring in the cas ing 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 fas tened If they are loose it could give rise to burn out of the wires ŒSee to it that the starting voltage is maintained at more than 90 ...

Page 23: ... 1 Checking the Drainage Remove the inlet grille with your hands as shown right and left and pull in the direction indicated by the arrow Ł Check the drainage Pour a glass of water into the drain pan Ensure if water flows drain hose of indoor unit ...

Page 24: ... noise operating pressure piping temperature compressive pressure As to the structure and appearance check following items 2 Connection of power supply 1 Connect the power supply cord to the independent power supply Circuit breaker is required 2 Operate the unit for fifteen minutes or more 3 Evaluation of the performance 1 Measure the temperature of the intake and discharge air 2 Ensure the differ...

Page 25: ...the wires 4 Specification of power source 5 Confirm that electrical capacity is sufficient 6 Be sure that the starting voltage is maintained 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 break...

Page 26: ...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 mount...

Page 27: ...are 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 7...

Page 28: ...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...

Page 29: ...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 Liquid side Indoor unit ...

Page 30: ... 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...

Page 31: ...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...

Page 32: ...V 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 IC03D Is the output voltage of transformer about AC14V Check the 5V P C B pattern Possible Trouble 2 The indoor fan does not operate NO Is IC01M operated normally Check the fan motor an...

Page 33: ... 33 Electronic control device MAIN P C B ASM DISPLAY P C B ASM Fan A CL CA MODEL ...

Page 34: ...Schematic Diagram 34 ...

Page 35: ...Exploded View and Replacement Parts List 1 Indoor Unit 35 9 1 11 6 7 5 2 8 10 12 14 19 23 17 4 15 13 20 16 51 21 18 22 3 ...

Page 36: ... 36 52 28 40 36 41 24 29 32 34 30 31 42 43 50 39 37 38 47 48 33 35 26 27 45 25 44 46 49 ...

Page 37: ...D 4758A30003B 4520A30007B 4980A30007B 4520A30008A 2H01102A 3A01947A 3508A30003B 3A01943C 3721A20006 3721A20007C 4931A20001 3550A20004A 6871A30008 3530A10011B 4974AP2034A 4974AP2034B 5230AP3116A 4A70152B 5983AP1156C 4980AP1154A 6609AQ2219 3091AP1226E 3041A20003B 3551A30019B 4975AP3778A 3660AP1221A 3660AP1221A 3660AP1222A 4681AP2544H 4681AP2949 1 1 6 1 1 1 1 1 1 5 1 1 1 1 1 1 1 1 1 1 1 1 1 1D 1 1 6 ...

Page 38: ...97A 5040AP4082A 4A01405C 1WSD0800030 1NHA0801206 3086AP1217A 5251AR1222J 3H00611C 2H00841J 3087AP2581 6871A20067 6871A20040 3550AP2516 4995AP2588 4955A20084 4811AP3771A 4811AP2587A 4811AP2586A 5211AP4052A 5211A30179B 5211AP3768B 5211A30037 5420AP2577E 6711A20021 3A02240Z 4933AP3845D 3A02517E 1 3 1 1 4 1 1 1 1A 1S 1T 1B 1 1 1 6 1 1 1G 1 1 1 3 1 1 4 1 1 1 1B 1A 1B 1C 1 1 1 1 1 1 1E 1 1 1 3 1 1 4 1 1...

Page 39: ...2 Outdoor Unit 39 29 30 14 15 22 24 3 13 28 18 27 12 17 16 2 1 6 7 9 10 11 4 8 5 26 23 25 19 21 20 ...

Page 40: ...3AP2042F 6140AP2096E 2A01032A 5416AR1411J 2A01196A 7250AR7015K 4H00363 5210A30428B 5210A30156B 5211AP7260A 2A01256B 5210A30157B 5210AP7061A 4980A20001 2A00392 2A00393 2H02110A 2A01043A 4960AP1361A 3A02086A 4681AP2435K 4681A20008 2H02113R 4A01489A 1A00195 1A00202C 3720AP0003D 1A00208D 3721A30011A 2A01041C 4948AP2527A 3530A20007B 2A00928 2A00929 2A00986 2H00841 6920AP3400 2A00771 4G00103 2A00986 3A0...

Page 41: ...P No 3828A30014Y November 1999 Printed in Korea ...

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