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Ceiling Cassette Air Conditioner

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1. AN e L 50 Parts List e MODEL LT B2421CL LOCATION NO PART NO DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY INDOOR R 13091 1 1 3091A30001A CABINET ASSY INDOOR R 13091 1 2 3091A30002A CABINET ASSY INDOOR R 130911 3 3091A30003A CABINET ASSY INDOOR R 135312 3531A10004B GRILLE ASSY FRONT R 137213 3721A10001M PANEL ASSY SIDE R 140570 4057AP4344A LOCKER ASSY R 146812 2H01102A MOTOR ASSY SYNC R 152302 5231AP2884A FILTER MECH A C R 158591 5859 20001 PUMP ASSY WATER R 249951 4995A20137E CONTROL BOX ASSY INDOOR R 268714 6871A10008J PWB PCB ASSY MAIN R 263230 6323AQ3226B THERMISTOR ASSY R 266012 6601A20001A SWITCH ASSY FLOAT R 267110 1 6711A10002J REMOTE CONTROLLER ASSY R 267110 2 6711A20041A REMOTE CONTROLLER ASSY R OPTION 330870 3087AP1369A DRAIN PAN ASSY R 346810 4681A20006D MOTOR ASSY INDOOR R 352118 5211A30020A TUBE ASSY MENIFOLD INDOOR R 354212 5421A20013A EVAPORATOR ASSY FINAL R 35511A 5211A30021A TUBE ASSY SUCTION INDOOR R 359011 5901A10001B FAN ASSY TURBO R 51 Parts List e MODEL LT B2421HL LOCATION NO PART NO DESCRIPT
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4. TERMINAL BLOCK POWER INPUT TO INDOOR POWER INPUT TO INDOOR 3 LT B2861HL 4 LT B2821HL B3021HL Capacitor 5 a VL L D VAT g OR GN POWER 98 RELAY POWER REVERS RELAY REVERS HIGH PRESSURE S W HIGH PRESSURE S W B B BR 58 68 JE 13 y 884 88 COIL BL RD CMD CRANK CASE BR HEATER 8 BR 0101 5 8 1201 13 7 8 TERMINAL TERMINAL POWER INPUT TO INDOOR BLOCK POWER INPUT TO INDOOR BLOCK 3854A90002G 3854A90002N 14 5 LT B3681CL Outdoor Unit Wiring Diagram III I 30 380 415V POWER SUPPLY C YL YELLOW WIRING OF FIELD ORANGE GN YL GREEN YELLOW CONNECTING WIRE HIGH PRESSURE SWITCH FOR HEATING MAIN TERMINAL BLOCK FUSE 250V 5A TERMINAL BLOCK COMPRESSOR OUTDOOR FAN MOTOR su 3854A30042P 15 6 LT B3681HL Outdoor Uni
5. Setting temp 3 C Compressor OFF Setting temp Compressor ON 1min minimum minimum minimum 10sec 1min 10sec Selecting Selecting fan INDOOR FAN Bot start SLOW I LOW speed Low OFF COMPRESSOR ON OFF ON OFF operates at seleted fan speed A point While the indoor Heat Exchanger temperature is higher than 35 C fan operates at low speed when it becomes lower than 35 C fan stops B point When the indoor Heat Exchanger temperature is higher than 35 fan operates at seleted fan speed when it becomes lower than 35 the fan operates at low speed for 10sec after 10sec it 7 Hot Start Control indoor fan stops until the evaporator piping temperature will be reached to 28 C operation diagram is as following PIPING TEMPERATURE 25 C 22 C INDOOR FAN COMPRESSOR Selected Fan Low Fan 20 CM Fan Stop 8 Defrost Control Defrost operation is controlled by timer and sensing the outdoor piping temperature defrost starts only when the outdoor pipe temperature falls below 6 C after 45 minutes passed from starting of heating operation Defrost ends after 9 minutes 30 seconds passed from starting of defrost operation or when the outdoor pipe temperature rises over 12 C even if before 12 minutes The outdoor piping Temp 12 C OFF More than 4
6. R 158591 5859A20001 A PUMP ASSY WATER R 249951 4995A20137C CONTROL BOX ASSY INDOOR R 268714 6871A10008J PWB PCB ASSY MAIN R 263230 6323AQ3226B THERMISTOR ASSY R 266012 6601A20001A SWITCH ASSY FLOAT R 267110 1 6711A10002G REMOTE CONTROLLER ASSY R 267110 2 6711A20041A REMOTE CONTROLLER ASSY R OPTION 330870 3087AP1369A DRAIN PAN ASSY R 346810 4681A20006B MOTOR ASSY INDOOR R 352118 5211A30020A TUBE ASSY MENIFOLD INDOOR R 354212 5421A10013A EVAPORATOR ASSY FINAL R 35511A 5211A30021A TUBE ASSY SUCTION INDOOR R 359011 5901A10001B FAN ASSY TURBO R 53 Parts List e MODEL LT B2461HL LOCATION NO PART NO DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY INDOOR R 130911 1 3091A30001A CABINET ASSY INDOOR R 130911 2 3091A30002A CABINET ASSY INDOOR R 130911 3 3091A30003A CABINET ASSY INDOOR R 135312 3531A10004B GRILLE ASSY FRONT R 137213 3721A10001M PANEL ASSY SIDE R 140570 4057AP4344A LOCKER ASSY R 146812 2H01102A MOTOR ASSY SYNC R 152302 5231AP2884A R 158591 5859A20001A PUMP ASSV WATER R 249951 4995A20137D CONTROL BOX ASSY INDOOR R 268714 6871A10008H PWB PCB ASSY MAIN R 263230 6323AQ3226B THERMISTOR ASSY R 266012 6601A20001A SWITCH ASSY FLOAT R 267110 1 6711A10002F REMOTE CONTROLLER ASSY R 267110 2 6711A20041B REMOTE CONTROLLER ASSY R OPTION 330870 3087AP1369A DRAIN PAN ASSY R 346810 4681A20
7. 24 3 The Indoor Unit Installation Ceiling Keep the length of the bolt from the bracket to 40mm KW Hanging bolt W3 8 or M10 Nut Flat washer for 10 W3 8 or M10 accessorv IC C Spring washer M10 Ceiling board 1 Flat washer for M10 accessory Nut W3 8 or M10 Paper model Set screw of for installation paper model 4 pieces Adjust the same height Open the ceiling board along the outer edge of the paper model UNS Drill the piping hole on the wall slightly tilted to CANC Md the outdoor side using a 2 70 hole core drill Hanging Bolt W 3 8 or M10 length 650 mm Q Nut W 3 8 or M10 B Spring Washer M10 Plate Washer M10 Indoor Outdoor AN CAUTION Tighten the nut and bolt to prevent unit falling 4 Remote Controller Installation Although the room temperature sensor is in the indoor unit the remote control box should be installed in such places from direct sunlight and high humiditv Installation of the remote control box Select places that splashed with water Select control position after receiving customer approval room temperature sensor of the thermostat for temperature control is built in the indoor unit This remote controller equipped with liquid crystal display II this position is higher or lower display is difficult to see The standard height
8. SOLOW LOO Kee Las gt Kee 01 SPOLVEDI M dug rm 3 FN 5 1 t gt MUST L T vun WNOIS 201 Seene l 4809 CVI3 M i T T A Ob ALLO OL EHO EN 1 1 x gt SUIS O 9 l MOL 01 En i At 487 888 1 i OA 7 MLH m 1 NOT 99 N9 1 1 1 L 1 1 48 Exploded View Replacement Parts List 1 Indoor Unit 249951 266012 JE 158591 49 137213
9. Ceiling Cassette Air Conditioner SERVICE MANUAL MODELS LT B2461CL LT B2461HL LT B2861CL LT B2861HL LT B2421CL LT B2421HL LT B2821CL LT B2821HL LT B3021CL LT B3021HL LT B3681CL LT B3681HL LT B3621CL LT B3621HL LT B3661CL LT B3661HL Contents 3 Product Specifications Cooling amp Heating 5 DIMENSIONS 8 Refrigeration Cycle Diagram ico 11 Wiring Diagram de 13 Operation Details Eee 19 Installation of Indoor Outdoor Unit ee 22 34 gt 36 Cycle Troubleshooting Guide _ 41 Electronic Parts Troubleshooting Guide s 42 Electronic Control Device crane i 46 Schematic a 47 Exploded View and Replacement Parts List e 49 2 Functions Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature sensor Thermistor Room temperature control Maintains the room temperature in accordance with the Setting Temp Starting Current Control Indoor fan is delayed for 5 seconds at the starting Time Delay Safety Control Restarting is inhibited for approx 3 minutes Indoor Fan Speed Control High Med Low Soft Dry Operation Mode Intermittent operation fan at low speed Airflow Direction Control The louver can be set at swing up and down automatically Auto Restart
10. M0 Is it Heating Mode Does the temperature NO set all right Is ICO1M operated NO normally NO Is 4way valve operated Check the connector CN OUT CN AC1 2 45 Adjust operation mode Adjust set temperature Change ICO1M Check RY 4Way Electronic control device 8 MAIN P C B ASM 46 Schematic Diagram
11. The power cord connected to the outdoor unit should be complied with the following specifications Rubber insulation type HO5RN F approved by HAR NORMAL CROSS SECTIONAL AREA Capacity 1 Phase 3 Phase WARNING Make sure that the screws of the terminal are free from looseness 27 24 28 30 BTU h 2 5mm2 36K BTU h 5 5mm 2 5mm CAUTION The connecting cable connected to the indoor and outdoor unit should be complied with the following specifications Rubber insulation type HOSRN F approved by HAR or SAA NORMAL CROSS SECTIONAL AREA 0 75 ELECTRICAL WIRING 1 All wiring must comply with LOCAL REGULATIONS 2 Select a power source that is capable of supplying the current required by the air conditioner 3 Feed the power source to the unit via a distribution switch board designed for this purpose 4 The terminal screws inside the control box may be loose due to vibration during transport Check the screws for loose connection Running the air conditioner with loose connection can overload and damage electrical components 5 Always ground the air conditioner with a grounding wire and connector to meet the LOCAL REGULATION Main power source Circuit Breaker 8 Use circuit breaker or time delay fuse Switch box Refrigerant pipe 24K 28K 30K Btu 36K Btu GROUP CONTROL OPTIONAL It operates m
12. LOCATION NO PART NO DESCRIPTION REMARKS 135301 3530A20007B GRILLE DISCHARGE R 137213 1 1 00202 PANEL ASSY SIDE R 137213 2 3A02284L PANEL ASSY SIDE R 263230 3Q35015G THERMISTOR ASSY R 349499 4948AP2527A ORIFICE R 350140 4A01489A ISOLATOR MOTOR R 430410 3041A30003K BASE ASSV WELD OUTDOOR R 435512 3H03266H COVER ASSY TOP OUTDOOR R 437210 2A01041K PANEL ASSY FRONT SUB R 447910 2A01043A BARRIER ASSY OUTDOOR R 546810 294021138 MOTOR ASSY R 550140 4H01765A ISOLATOR COMP R 552201 3A01020A VALVE CHECK R 552202 3A02027B VALVE REVERSING R 552203 1 2A00392E VALVE SERVICE R 552203 2 2A00393Q VALVE SERVICE R 552560 1 3A90082A MUFFLER R 552560 2 4A00232B MUFFLER R 554031 6140AP2096B CONDENSER ASSY BENT R 554160 2A01032B COMPRESSOR R 559010 1A00195A FAN ASSY PROPELLER R 566000 3A02524A SWITCH PRESSURE R 649950 4995A20025F CONTROL BOX ASSY OUTDOOR R WOCZZ 6120AR2194L CAPACITOR DRAWING R 268711 6871A20015F DEICE PCB R 78 2 3 Outdoor Unit e MODEL LT B3621CL B3621HL B3661CL B3661HL B3681CL B3681HL 552203 2 552203 1 435512 1 NE t 10 LO 554031 2 79 Parts List LT B3621CL LOCATION NO PART NO DESCRIPTION REMARKS 135301 2A00144Y GRILLE ASSY DISCHARGE OUTDOOR R 137213 3A01055Z PANEL SIDE R 349499 2A00251Z ORIFICE R 430410 3A01517W BASE ASSY WELD O
13. Although the air conditioner is turned off by a power failure it is restarted automatically previous operation mode after power supply Auto Operation The setting temperature and desired operation mode are automatically set by fuzzy rule Deice Defrost control Heating Both the indoor and outdoor fan stops during defrosting Hot start after defrost ends Hot start Control Heating The indoor fan stops until the evaporator piping temperature will be reached at 28 Remote Controller Operation ON OFF Operation Mode Selection KOA KOLA Cooling Operation Mode Soft Dry Operation Mode Cooling Heating Heating Operation Mode Auto Operation Mode model only model only LOtm MED 8 HI men Room Temperature Display High 39 C LOW 11 C Temperature Setting r Down to 18 C Cooling Setting the Timer Heating Down to 16 C Up to 30 C Up to 30 C B Timer Cancel Weekly Timer Program Week Holiday 4 gt SET CLR E d Fan Operation Mode C Fan Operates without cooling 8 heating 4 Product Specifications Cooling amp Heating 1 60Hz Model Name LI B2421CL LT B2421HL LT B2821CL LT B3021CL LT B2821HL LT B3021HL Cooling Capacity Btu h kcal h 24 000 6 048 24 000 6 048 28 000 7 056 30 000 7 560 28 000
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15. exterior wall and make the trap prevent water from entering into the room 4 Fix the pipings onto the wall by saddle equivalent Test running 1 PRECAUTIONS IN TEST RUN The initial power supply must provide at least 90 of the rated voltage Otherwise the air conditioner should not be operated For test run carry out the cooling operation firstly even during heating season If heating operation is carried out firstly it leads to the trouble of compressor Then attention must be paid Carry out the test run more than 5 minutes without fail Test run will be cancelled 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 CHECK THE FOLLOWING ITEMS WHEN INSTALLATION IS COMPLETE 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 abnormal vibration and noise operating pressure piping temperature compressive pressure As to the structure and appearance check following items Is the circulation of air adequate O Is the remote controller switch operated Is the draining smooth LI Is there any faulty wiring 15 the heat insulation compl
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17. 28K Model is installed at a distance of 15m 500g of refrigerant should be added 15 5 x50g 12 Wiring Diagram 1 Indoor Unit 1 COOLING ONLY BR CAPACITOR LOUVER YL 8 FLOAT S W 8 CN MOTOR1 CN LOUVER BKI CN FLOAT t CN LOUV LOUVER S W D PUMP 18 51 BK CN PIPE Bk PIPE SENSOR 9 RY MAIN PCB ASSY CN REMO CN ROOM BK CI TEMP SENSOR CN POWER l 1 my REMOCON 5 1 TO OUTDOOR P No 3854A20072C 2 HEAT PUMP BR CAPACITOR qom YL FLOAT S W CN MOTOR1 CN LOUVER CN D PUMP CN FLOAT o fen Louv BK LOUVER S W 21 2 CN PIPE SENSOR MAIN ASSY FUSE T3 15A BK CN POWER Ue 5 CM 800M BK IB TEMP SENSOR REMOCON TO OUTDOOR P No 3854A20072B 13 2 Outdoor Unit 1 LT B2461CL B2861CL B2421CL 2 LT B2461HL B2421HL B2821CL B3021CL Capacitor OR REVERSING COIL HIGH PRESSURE SW RD WH GN YL TERMINAL 3 N 4D BLOCK
18. 3091A30001A CABINET ASSY INDOOR R 130911 2 3091A30002A CABINET ASSY INDOOR R 130911 3 3091A30003A CABINET ASSY INDOOR R 135312 3531A10004B GRILLE ASSY FRONT R 137213 3721A10001M PANEL ASSY SIDE R 140570 4057AP4344A LOCKER ASSV R 146812 2H01102A MOTOR ASSY SYNC R 152302 5231 2884 R 158591 5859A20001 A PUMP ASSY WATER R 249951 4995A20137D CONTROL BOX ASSY INDOOR R 268714 6871A10008H PWB PCB ASSY MAIN R 263230 6323AQ3226B THERMISTOR ASSY R 266012 6601A20001A SWITCH ASSY FLOAT R 267110 1 6711A10002F REMOTE CONTROLLER ASSY R 267110 2 6711A20041B REMOTE CONTROLLER ASSY R OPTION 330870 3087AP1369A DRAIN PAN ASSY R 346810 4681A20006F MOTOR ASSY INDOOR R 352118 5211A30020B TUBE ASSY MENIFOLD INDOOR R 354212 5421A20013C EVAPORATOR ASSY FINAL R 35511A 5211A30021C TUBE ASSY SUCTION INDOOR R 359011 5901A10001B FAN ASSY TURBO R 64 Parts List e MODEL LT B3681CL LOCATION NO PART NO DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY INDOOR R 130911 1 3091A30001A CABINET ASSY INDOOR R 130911 2 3091A30002A CABINET ASSY INDOOR R 130911 3 3091A30003A CABINET ASSY INDOOR R 135312 3531A10004B GRILLE ASSY FRONT R 137213 3721A10001M PANEL ASSY SIDE R 140570 4057AP4344A LOCKER ASSY R 146812 2H01102A MOTOR ASSY SYNC R 152302 5231AP2884A FILTER MECH A C R 158591 5859 20001 PUMP ASSY WATER R 249951 4995A20
19. ASSY FINAL R 559010 1H00156B FAN ASSY PROPELLER R 566000 3A01100A SWITCH PRESSURE R 649950 4995A20003M CONTROL BOX ASSV OUTDOOR R WOCZZ 1 2A00986S CAPACITOR DRAWING R WOCZZ 2 3A02157A CAPACITOR R 268711 6871A20015N DEICER PCB 81 Parts List LT B3661CL LOCATION NO PART NO DESCRIPTION REMARKS 135301 2A00144V GRILLE ASSV DISCHARGE OUTDOOR R 137213 3A01055Z SIDE R 349499 2A00251Z ORIFICE R 430410 3A01517W BASE ASSV WELD OUTDOOR R 435512 1 2A00273A COVER ASSY TOP OUTDOOR R 435512 2 3A01651A COVER ASSY TOP OUTDOOR R 437210 3A00426X PANEL ASSY FRONT SUB R 447910 4761A90001A BARRIER ASSV OUTDOOR R 546810 2H00430X MOTOR ASSY AC R 552203 1 2A00393A VALVE SERVICE R 552203 2 2A00499A VALVE SERVICE R 554031 1 5403A20007E CONDENSER ASSY R 554031 2 5403A20006A CONDENSER ASSY R 554031 3 5403A20006F CONDENSER ASSY R 554160 2A01196C COMPRESSOR ASSY FINAL R 559010 1H00156B FAN ASSY PROPELLER R 649950 4995A20003L CONTROL BOX ASSY OUTDOOR R WOCZZ 1 2A00986X CAPACITOR DRAWING R WOCZZ 2 3A02157A CAPACITOR R 82 Parts List LT B3661HL LOCATION NO PART NO DESCRIPTION REMARKS 135301 2A00144V GRILLE ASSV DISCHARGE OUTDOOR R 137213 3A01055Z SIDE R 263230 3Q35015H THERMISTOR ASSY R 349499 2A00251Z ORIFICE R 430410 3A01517W BASE
20. ASSY WELD OUTDOOR R 435512 1 2 00273 COVER ASSY TOP OUTDOOR R 435512 2 3A01651A COVER ASSY TOP OUTDOOR R 437210 3A00426X PANEL ASSY FRONT SUB R 447910 4761A90001A BARRIER ASSV OUTDOOR R 546810 2H00430X MOTOR ASSY AC R 552201 3A01020H VALVE CHECK R 552202 3A02027B VALVE REVERSING R 552203 1 2 00393 VALVE SERVICE R 552203 2 2A00499A VALVE SERVICE R 554031 1 5403A20007E CONDENSER ASSY R 554031 2 5403A20006A CONDENSER ASSY R 554031 3 5403A20006F CONDENSER ASSY R 554160 2A01196C COMPRESSOR ASSY FINAL R 559010 1H00156B FAN ASSY PROPELLER R 566000 3A02524A SWITCH PRESSURE R 649950 4995A20003L CONTROL BOX ASSY OUTDOOR R VV0C77 1 2A00986X CAPACITOR DRAWING R WOCZZ 2 3A02157A CAPACITOR R 268711 6871A20015N DEICER PCB R 83 Parts List LT B3681CL LOCATION NO PART NO DESCRIPTION REMARKS 135301 2A00144V GRILLE ASSV DISCHARGE OUTDOOR R 137213 3A01055Z PANEL SIDE R 349499 2A00251Z ORIFICE R 430410 3A01517W BASE ASSY WELD OUTDOOR R 435512 1 2A00273A COVER ASSY TOP OUTDOOR R 435512 2 3A01651A COVER ASSY TOP OUTDOOR R 437210 3A00426X PANEL ASSY FRONT SUB R 447910 4761A90001A BARRIER ASSY OUTDOOR R 546810 2H00430X MOTOR ASSY AC R 552203 1 2A00393A VALVE SERVICE R 552203 2 2A00499A VALVE SERVICE R 554031 1 5403A20007C CONDENSER ASSY R 554031 2 5403A20006C CONDENSER ASSY BENT R 554031 3 5403A20006D CONDENSER ASSY BENT R 554160 54
21. side valve to the closed position 36 6 Operate the air conditioner in cooling mode and stop it when the gauge indicates 1kg cm g 7 Immediately set the 3 way valve to the closed position Do this quickly so that the gauge ends up indicating to 5kg cm g 8 Disconnect the charge set and mount the 2 way and 3 way valve s stem nuts and the service port nut Use torque wrench to tighten the service port nut to a torque of 1 8 kg m Be sure to check for gas leakage 1 Re installation Outdoor unit Procedure 1 Confirm that both the liquid side valve and the gas side valve are set to the closed position 2 Connect the charge set and a gas cylinder to the service port of the 3 way valve Leave the valve on the gas cylinder closed 3 Air purging Open the valves on the gas cvlinder and the charge set Purge the air bv loosening the flare nut on the liquid side valve approximatelv 45 for 3 seconds then closing it for 1 minute repeat 3 times 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 cm g 37 6 Disconnect the charge set the gas cylinder and set
22. the 2 way and 3 way valves to the open position Be sure to use a hexagonal wrench to operate the valve stems 7 Mount the valve stem nuts and the service port nut Use torque wrench to tighten the service port nut to a torque of 1 8 kg m Be sure to check for gas leakage CAUTION Do not leak the gas in the air during Air Purging 2 Balance refrigerant of the 3 wav valve Gas leakage Outdoor unit BS fo e Procedure 1 Confirm that both the liquid side and gas side valves are set to the back seat 2 Connect the charge set to the 3 way valve s port Leave the valve on the charge set closed Connect the charge hose to the service port 38 3 Open the valve Lo side on the charge set and discharge the refrigerant until the gauge indicates 0 kg cm G If there is no air in the refrigerant cycle the pressure when the air conditioner is not running is higher than 1 kg cm G discharge the refrigerant until the gauge indicates 0 5 to 1 kg cm 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 refrigeration oil will also be discharged 2 Evacuation amount of refrigerant leaked Liquid side Outdoor unit e Procedure 1 Connect the vacuum pump to the center hose of charge set center hose 2 Evacuation fo
23. 006B MOTOR ASSY INDOOR R 352118 5211A30020A TUBE ASSY MENIFOLD INDOOR R 354212 5421A20013A EVAPORATOR ASSY FINAL R 35511A 5211A30021A TUBE ASSY SUCTION INDOOR R 359011 5901A10001B FAN ASSY TURBO R 54 Parts List e MODEL LT B2821CL LOCATION NO PART NO DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY INDOOR R 130911 1 3091A30001A CABINET ASSY INDOOR R 130911 2 3091A30002A CABINET ASSY INDOOR R 130911 3 3091A30003A CABINET ASSY INDOOR R 135312 3531A10004B GRILLE ASSY FRONT R 137213 3721A10001M PANEL ASSY SIDE R 140570 4057AP4344A LOCKER ASSY R 146812 2H01102A MOTOR ASSY SYNC R 152302 5231AP2884A FILTER MECH A C R 158591 5859 20001 PUMP ASSY WATER R 249951 4995A20137E CONTROL BOX ASSY INDOOR R 268714 6871A10008J PWB PCB ASSY MAIN R 263230 6323AQ3226B THERMISTOR ASSY R 266012 6601A20001A SWITCH ASSY FLOAT R 2671 10 1 6711A10002G REMOTE CONTROLLER ASSY R 2671 10 2 6711A20041A REMOTE CONTROLLER ASSY R OPTION 330870 3087AP1369A DRAIN PAN ASSY R 346810 4681A20006A MOTOR ASSY INDOOR R 352118 5211A30020A TUBE ASSY MENIFOLD INDOOR R 354212 5421A20013A EVAPORATOR ASSY FINAL R 35511A 5211A30021A TUBE ASSY SUCTION INDOOR R 359011 5901A10001B FAN ASSY TURBO R 55 Parts List e MODEL LT B2821HL LOCATION NO PART NO DESCRIPTION REMARKS
24. 01 PUMP ASSY WATER R 249951 4995A20137C CONTROL BOX ASSY INDOOR R 268714 6871A10008J PWB PCB ASSY MAIN R 263230 6323AQ3226B THERMISTOR ASSY R 266012 6601A20001A SWITCH ASSY FLOAT R 2671 10 1 6711A10002G REMOTE CONTROLLER ASSY R 2671 10 2 6711A20041A REMOTE CONTROLLER ASSY R OPTION 330870 3087AP1369A DRAIN PAN ASSY R 346810 4681A20006C MOTOR ASSY INDOOR R 352118 5211A30020A TUBE ASSY MENIFOLD INDOOR R 354212 5421A10013A EVAPORATOR ASSY FINAL R 35511A 5211A30021A TUBE ASSY SUCTION INDOOR R 359011 5901A10001B FAN ASSY TURBO R 57 Parts List e MODEL LT B2861HL LOCATION NO PART NO DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY INDOOR R 130911 1 3091A30001A CABINET ASSY INDOOR R 130911 2 3091A30002A CABINET ASSY INDOOR R 130911 3 3091A30003A CABINET ASSY INDOOR R 135312 3531 10004 GRILLE ASSY FRONT R 137213 3721 10001 PANEL ASSY SIDE R 140570 4057AP4344A LOCKER ASSV R 146812 2H01102A MOTOR ASSY SYNC R 152302 5231AP2884A FILTER MECH A C R 158591 5859 20001 PUMP ASSY WATER R 249951 4995A20137D CONTROL BOX ASSY INDOOR R 268714 6871A10008H PWB PCB ASSY MAIN R 263230 6323AQ3226B THERMISTOR ASSY R 266012 6601A20001A SWITCH ASSY FLOAT R 267110 1 6711A10002F REMOTE CONTROLLER ASSY R 267110 2 6711A20041B REMOTE CONTROLLER ASSY R OPTION 330870 3087AP1369A DRAIN PAN ASSV R 346810 4681A20006C MOTOR ASSY INDOOR R 352118 5
25. 130411 3041A20001A BASE ASSY INDOOR R 130911 1 3091A30001A CABINET ASSY INDOOR R 130911 2 3091A30002A CABINET ASSY INDOOR R 130911 3 3091A30003A CABINET ASSY INDOOR R 135312 3531 10004 GRILLE ASSY FRONT R 137213 3721 10001 PANEL ASSY SIDE R 140570 4057AP4344A LOCKER ASSV R 146812 2H01102A MOTOR ASSY SYNC R 152302 5231AP2884A FILTER MECH A C R 158591 5859 20001 PUMP ASSY WATER R 249951 4995A20137D CONTROL BOX ASSY INDOOR R 268714 6871A10008H PWB PCB ASSY MAIN R 263230 6323AQ3226B THERMISTOR ASSY R 266012 6601A20001A SWITCH ASSY FLOAT R 267110 1 6711A10002F REMOTE CONTROLLER ASSY R 267110 2 6711A20041B REMOTE CONTROLLER ASSY R OPTION 330870 3087AP1369A DRAIN PAN ASSV R 346810 4681A20006A MOTOR ASSY INDOOR R 352118 5211 30020 TUBE ASSY MENIFOLD INDOOR R 354212 5421A10013A EVAPORATOR ASSY FINAL R 35511A 5211A30021A TUBE ASSY SUCTION INDOOR R 359011 5901A10001B FAN ASSY TURBO R 56 Parts List e MODEL LT B2861CL LOCATION NO PART NO DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY INDOOR R 130911 1 3091A30001A CABINET ASSY INDOOR R 130911 2 3091A30002A CABINET ASSY INDOOR R 130911 3 3091A30003A CABINET ASSY INDOOR R 135312 3531A10004B GRILLE ASSY FRONT R 137213 3721A10001M PANEL ASSY SIDE R 140570 4057AP4344A LOCKER ASSY R 146812 2H01102A MOTOR ASSY SYNC R 152302 5231AP2884A FILTER MECH A C R 158591 5859 200
26. 137C CONTROL BOX ASSY INDOOR R 268714 6871A10008J PWB PCB ASSY MAIN R 263230 6323AQ3226B THERMISTOR ASSY R 266012 6601A20001A SWITCH ASSY FLOAT R 2671 10 1 6711A10002G REMOTE CONTROLLER ASSY R 2671 10 2 6711A20041A REMOTE CONTROLLER ASSY R OPTION 330870 3087AP1369A DRAIN PAN ASSY R 346810 4681A20006F MOTOR ASSY INDOOR R 352118 5211A30020B TUBE ASSY MENIFOLD INDOOR R 354212 5421A20013C EVAPORATOR ASSY FINAL R 35511A 5211A30021C TUBE ASSY SUCTION INDOOR R 359011 5901A10001B FAN ASSY TURBO R 65 Parts List e MODEL LT B3681HL LOCATION NO PART NO DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY INDOOR R 130911 1 3091A30001A CABINET ASSY INDOOR R 130911 2 3091A30002A CABINET ASSY INDOOR R 130911 3 3091A30003A CABINET ASSY INDOOR R 135312 3531 10004 GRILLE ASSY FRONT R 137213 3721 10001 PANEL ASSY SIDE R 140570 4057AP4344A LOCKER ASSV R 146812 2H01102A MOTOR ASSY SYNC R 152302 5231AP2884A FILTER MECH A C R 158591 5859 20001 PUMP ASSY WATER R 249951 4995A20137D CONTROL BOX ASSY INDOOR R 268714 6871A10008H PWB PCB ASSY MAIN R 263230 6323AQ3226B THERMISTOR ASSY R 266012 6601A20001A SWITCH ASSY FLOAT R 267110 1 6711A10002F REMOTE CONTROLLER ASSY R 267110 2 6711A20041B REMOTE CONTROLLER ASSY R OPTION 330870 3087AP1369A DRAIN PAN ASSV R 346810 4681A20006F MOTOR ASSY INDOOR R 352118 5211A30020B TUBE ASSY MENIFOLD INDOOR
27. 17A90001B COMPRESSOR ASSY FINAL R 559010 1H00156B FAN ASSY PROPELLER R 649950 4995A20003J CONTROL BOX ASSY OUTDOOR R WOCZZ 1 2A00986X CAPACITOR DRAWING R WOCZZ 2 3A02157A CAPACITOR R 84 Parts List LT B3681HL LOCATION NO PART NO DESCRIPTION REMARKS 135301 2A00144V GRILLE ASSV DISCHARGE OUTDOOR R 137213 3A01055Z PANEL SIDE R 263230 3Q35015H THERMISTOR ASSY R 349499 2A00251Z ORIFICE R 430410 3A01517W BASE ASSY WELD OUTDOOR R 435512 1 2A00273A COVER ASSY TOP OUTDOOR R 435512 2 3A01651A COVER ASSY TOP OUTDOOR R 437210 3A00426X PANEL ASSY FRONT SUB R 447910 4761A90001A BARRIER ASSV OUTDOOR R 546810 2H00430X MOTOR ASSY AC R 552201 3A01020H VALVE CHECK R 552202 3A02027B VALVE REVERSING R 552203 1 2A00393A VALVE SERVICE R 552203 2 2A00499A VALVE SERVICE R 554031 1 5403A20007D CONDENSER ASSY R 554031 2 5403A20006A CONDENSER ASSY R 554031 3 5403A20006E CONDENSER ASSY R 554160 5417A90001B COMPRESSOR ASSY FINAL R 559010 1H00156B FAN ASSY PROPELLER R 566000 6600AG3057A SWITCH PRESSURE R 649950 4995 20003 CONTROL BOX ASSY OUTDOOR R WOCZZ 1 2A00986X CAPACITOR DRAWING R WOCZZ 2 3A02157A CAPACITOR R 268711 6871A20015N DEICER PCB 85 December 2000 3828A20023K Printed in Korea
28. 211 30020 TUBE ASSY MENIFOLD INDOOR R 354212 5421A10013A EVAPORATOR ASSY FINAL R 35511A 5211A30021A TUBE ASSY SUCTION INDOOR R 359011 5901A10001B FAN ASSY TURBO R 58 Parts List e MODEL LT B3021CL LOCATION NO PART NO DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY INDOOR R 130911 1 3091A30001A CABINET ASSY INDOOR R 130911 2 3091A30002A CABINET ASSY INDOOR R 130911 3 3091A30003A CABINET ASSY INDOOR R 135312 3531A10004B GRILLE ASSY FRONT R 137213 3721A10001M PANEL ASSY SIDE R 140570 4057AP4344A LOCKER ASSY R 146812 2H01102A MOTOR ASSY SYNC R 152302 5231AP2884A FILTER MECH A C R 158591 5859 20001 PUMP ASSY WATER R 249951 4995A20137E CONTROL BOX ASSY INDOOR R 268714 6871A10008J PWB PCB ASSY MAIN R 263230 6323AQ3226B THERMISTOR ASSY R 266012 6601A20001A SWITCH ASSY FLOAT R 2671 10 1 6711A10002J REMOTE CONTROLLER ASSY R 2671 10 2 6711A20041A REMOTE CONTROLLER ASSY R OPTION 330870 3087AP1369A DRAIN PAN ASSY R 346810 4681A20006A MOTOR ASSY INDOOR R 352118 5211A30020A TUBE ASSY MENIFOLD INDOOR R 354212 5421A20013A EVAPORATOR ASSY FINAL R 35511A 5211A30021A TUBE ASSY SUCTION INDOOR R 359011 5901A10001B FAN ASSY TURBO R 59 Parts List e MODEL LT B3021HL LOCATION NO PART NO DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY INDO
29. 24 000 6 048 24 000 6 048 28 000 7 056 28 000 7 056 Heating Capacitv Btu h kcal h 24 000 6 048 28 000 7 056 Moisture Removal 3 5 3 5 4 0 4 0 Power Source VHS 19 220V 240V 50 2 Air Circulation Indoor Outdoor m min 17 17 19 19 50 50 52 52 Input Cooling Heating VV 2 800 2 850 2 850 2 500 2 650 Running Current Cooling Heating 14 13 4 13 4 13 12 6 Btu h W 8 57 9 82 9 82 Dimensions Wx Hx D Indoor Outdoor mm 800 x 800 x 298 910 x 910 x 30 870 x 655 x 320 870 x 800 x 320 Net Weight Indoor Outdoor kg 35 30 5 60 61 60 65 Refrigerant R 22 g 1 900 1 870 2 100 2 400 0 Wired Wireless Remocon Optional 3 8 9 52 5 8 15 88 Airflow Direction Control Up amp Down Remocon Type Liquid Gas Drain Hose O 0 75mm 7 2 5mm Service Valve amp Connecting Tube Connecting Wire Main Power Cable Time Delay Safety Function O Air Circulation O Soft Dry O 3 Hi Med Low 24Hrs Fan Speed Indoor Timer Self Diagnosis O 6 Model LI B3681HL LT B3681CL LT B3661CL LT B3661HL B3621CL B3621HL Cooling Capacity Btu
30. 5 minutes of heating operation Within 9min 45sec gt gt More than 45 minutes of heating operation More than 10 min running of compressor INDOOR FAN COMPRESSOR 4 WAY VALVE 9 Self Diagnosis Function CH 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 CH won t be displayed in the remote controller Remote controller LCD Accident Point OL Indoor temperature thermistor error CH 02 Indoor piping thermistor error CH 03 Indoor Outdoor unit communication error CH 04 Water level float switch error 21 Installation of Indoor Outdoor Unit 1 Selection of the best location 1 Indoor unit There should be any heat source or steam near the unit There should not be any obstacles to prevent the air circulation Ceiling place where air circulation in the room will be Ceiling Board good A place where drainage can be easily obtained A place where noise prevention is taken into con sideration Do install the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling or other obstacles The indoor unit must keep the maintenance space Unit cm Above 250 300 or les
31. 6140AP2096B CONDENSER ASSY BENT R 554160 2A01032B COMPRESSOR R 559010 1A00195A FAN ASSY PROPELLER R 566000 3A02524A SWITCH PRESSURE R 649950 4995A20025F CONTROL BOX ASSY OUTDOOR R WOCZZ 6120AR2194L CAPACITOR DRAWING R 268711 6871A20015F DEICE PCB R 76 Parts List e MODEL LT B2861HL LOCATION NO PART NO DESCRIPTION REMARKS 135301 3530A20007B GRILLE DISCHARGE R 137213 1 1A00202C PANEL ASSY SIDE R 137213 2 3A02284L PANEL ASSY SIDE R 263230 3Q35015G THERMISTOR ASSY R 349499 4948AP2527A ORIFICE R 350140 4A01489A ISOLATOR MOTOR R 430410 3041A30003K BASE ASSV WELD OUTDOOR R 435512 3H03266H COVER ASSY TOP OUTDOOR R 437210 2A01041K PANEL ASSY FRONT SUB R 447910 2A01043A BARRIER ASSY OUTDOOR R 546810 2H02113T MOTOR ASSY AC R 550140 4H01765A ISOLATOR COMP R 552201 3A01020A VALVE CHECK R 552202 3A02027B VALVE REVERSING R 552203 1 2A00392E VALVE SERVICE R 552203 2 2A00393Q VALVE SERVICE R 552560 1 3A02035A MUFFLER R 552560 2 4A00232B MUFFLER R 554031 6140AP2096B CONDENSER ASSY BENT R 554160 2A01032A COMPRESSOR R 559010 1A00195A FAN ASSY PROPELLER R 566000 3A02524A SWITCH PRESSURE R 649950 4995A20025F CONTROL BOX ASSY OUTDOOR R WOCZZ 6120AR2194L CAPACITOR DRAWING R 268711 6871A20015F DEICER PCB R 77 Parts List e MODEL LT B3021HL
32. 7 056 30 000 7 560 Heating Capacity Btu h kcal h 24 000 6 048 28 000 7 056 30 000 7 560 Moisture Removal 3 5 3 5 4 0 4 3 4 0 4 3 Power Source V Hz 10 220V 60Hz Indoor Outdoor Air Circulation m min 17 17 19 19 19 19 50 52 52 52 52 Cooling VV Input Heating 2 700 2 850 2 850 2 850 2 850 2 400 2 750 2 750 Cooling Running Current Heating 12 5 12 8 12 8 10 5 12 3 12 3 E E R Btu h W Indoor Outdoor Dimensions Wx D 8 89 9 82 10 53 800 x 800 x 298 910 x 910 x 30 870 x 655 x 320 870 x 800 x 320 Indoor Outdoor Net Weight 35 30 5 61 60 60 65 65 R 22 1 870 2 150 2 150 2 400 Airflow Direction Control Up amp Down O Remocon Type Wired Remocon Wireless Remocon Optional Service Valve amp Liquid 3 8 9 52 Gas 5 8 15 88 Drain Hose O Connecting Wire 0 75mm Main Power Cable 2 5mm Time Delay Safety Function O Air Circulation O Dry O Fan Speed Indoor 3 Hi Med Low Timer Self Diagnosis 24Hrs 5 2 50Hz Model LT B2461CL LT B2461HL LT B2861CL LT B2861HL Cooling Capacitv Btu h kcal h
33. BE ASSY MENIFOLD INDOOR R 354212 5421A20013C EVAPORATOR ASSY FINAL R 35511A 5211 30021 TUBE ASSY SUCTION INDOOR R 359011 5901A10001B FAN ASSY TURBO R 62 Parts List MODEL LT B3661CL LOCATION NO PART NO DESCRIPTION REMARKS 130411 3041 20001 BASE ASSY INDOOR R 130911 1 3091A30001A CABINET ASSY INDOOR R 130911 2 3091A30002A CABINET ASSY INDOOR R 130911 3 3091A30003A CABINET ASSY INDOOR R 135312 3531A10004B GRILLE ASSY FRONT R 137213 3721A10001M PANEL ASSY SIDE R 140570 4057AP4344A LOCKER ASSY R 146812 2H01102A MOTOR ASSY SYNC R 152302 5231AP2884A FILTER MECH A C R 158591 5859A20001A PUMP ASSV WATER R 249951 4995A20137C CONTROL BOX ASSY INDOOR R 268714 6871A10008J PWB PCB ASSY MAIN R 263230 6323AQ3226B THERMISTOR ASSY R 266012 6601A20001A SWITCH ASSY FLOAT R 267110 1 6711A10002G REMOTE CONTROLLER ASSY R 267110 2 6711A20041A REMOTE CONTROLLER ASSY R OPTION 330870 3087AP1369A DRAIN PAN ASSY R 346810 4681A20006F MOTOR ASSY INDOOR R 352118 5211A30020B TUBE ASSY MENIFOLD INDOOR R 354212 5421A20013C EVAPORATOR ASSY FINAL R 35511A 5211 30021 TUBE ASSY SUCTION INDOOR R 359011 5901A10001B FAN ASSY TURBO R 63 Parts List e MODEL LT B3661HL LOCATION NO PART NO DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY INDOOR R 130911 1
34. DOOR UNIT OUTDOOR UNIT CAPILLARY TUBE LIQUID SIDE 700007 I No I I I CONDENSER COMPRESSOR I GAS SIDE I 23 Pipe Size Length A m Elevation Additional refrigerant GAS LIQUD Rated Rated Max g m 24K 28K 30K BTU 5 8 3 8 5 20 5 15 50 36K BTU 3 4 3 8 5 25 5 20 70 Rated performance for refrigerant line length of 5m If 24K or 28K Model is installed at a distance of 15m 500g of refrigerant should be added 15 5 x50g 11 e HEAT PUMP INDOOR UNIT CAPILLARY TUBE LIQUID SIDE OUTDOOR UNIT CHECK VALVE ere E s 00007 Y ET JE gt CAPILLARY TUBE GAS SIDE b a REVERSING VALVE COMPRESSOR COOLING HEATING Pipe Size Length A m Elevation B m Additional refrigerant MODEL GAS LIQUD Rated Rated Max g m 24K 28K 30K BTU 5 8 3 8 5 20 5 15 50 36K BTU 3 4 3 8 5 25 5 20 70 Rated performance for refrigerant line length of 5m If 24K or
35. ION REMARKS 130411 3041A20001A BASE ASSY INDOOR R 13091 1 1 3091A30001A CABINET ASSY INDOOR R 130911 2 3091A30002A CABINET ASSY INDOOR R 130911 3 3091A30003A CABINET ASSY INDOOR R 135312 3531A10004B GRILLE ASSY FRONT R 137213 3721A10001M PANEL ASSY SIDE R 140570 4057AP4344A LOCKER ASSY R 146812 2H01102A MOTOR ASSY SYNC R 152302 5231AP2884A R 158591 5859A20001 A PUMP ASSY WATER R 249951 4995A20137F CONTROL BOX ASSY INDOOR R 268714 6871A10008H PWB PCB ASSY MAIN R 263230 6323AQ3226B THERMISTOR ASSY R 266012 6601A20001A SWITCH ASSY FLOAT R 267110 1 6711A10002H REMOTE CONTROLLER ASSY R 267110 2 6711A20041B REMOTE CONTROLLER ASSY R OPTION 330870 3087AP1369A DRAIN PAN ASSV R 346810 4681A20006D MOTOR ASSY INDOOR R 352118 5211A30020A TUBE ASSY MENIFOLD INDOOR R 354212 5421A20013A EVAPORATOR ASSY FINAL R 35511A 5211A30021A TUBE ASSY SUCTION INDOOR R 359011 5901A10001B FAN ASSY TURBO R 52 Parts List e MODEL LT B2461CL LOCATION NO PART NO DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY INDOOR R 130911 1 3091A30001A CABINET ASSY INDOOR R 130911 2 3091A30002A CABINET ASSY INDOOR R 130911 3 3091A30003A CABINET ASSY INDOOR R 135312 3531A10004B GRILLE ASSY FRONT R 137213 3721A10001M PANEL ASSY SIDE R 140570 4057AP4344A LOCKER ASSV R 146812 2H01102A MOTOR ASSY SYNC R 152302 5231 2884
36. ODEL LT B2461HL LOCATION NO PART NO DESCRIPTION REMARKS 135301 3530AP2289V GRILLE ASSV DISCHARGE OUTDOOR R 349499 4948AP2527A ORIFICE R 430410 3041A30003K BASE ASSY WELD OUTDOOR R 435512 3H03266J COVER ASSY TOP OUTDOOR R 437210 3721A20005G PANEL ASSY FRONT OUTDOOR R 447910 2H02110A BARRIER ASSY OUTDOOR R 546810 4680AP2135M MOTOR ASSY OUTDOOR R 550140 4H01765A ISOLATOR COMP R 552201 3A01020H VALVE CHECK R 552202 3A02027A VALVE REVERSING R 552203 1 2A00392E VALVE SERVICE R 552203 2 2A00393Q VALVE SERVICE R 552560 3A02035E MUFFLER R 554031 5402AR2347B CONDENSER ASSY BENT R 554160 2A00713D COMPRESSOR ASSY FINAL R 559010 1A00195B FAN ASSY PROPELLER R 566000 3A02524A SWITCH PRESSURE R 649950 4995A20025E CONTROL BOX ASSY OUTDOOR R WOCZZ 2A00986D CAPACITOR DRAWING R WOCZZ 2A00986A CAPACITOR DRAWING R 268711 6871A20015A DEICER PCB R 71 Parts List MODEL LT B2821CL LOCATION NO PART NO DESCRIPTION REMARKS 135301 3530AP2289V GRILLE ASSV DISCHARGE OUTDOOR R 349499 4948AP2527A ORIFICE R 430410 3041A30003K BASE ASSV WELD OUTDOOR R 435512 3 03266 ASSY TOP OUTDOOR R 437210 3721A20005A PANEL ASSY FRONT OUTDOOR R 447910 2H02110A BARRIER ASSY OUTDOOR R 546810 4681 A20008J MOTOR ASSY OUTDOOR R 550140 4H01765A ISOLATOR COMP R 552203 1 2A00392F VALVE SERVICE
37. OR R 130911 1 3091A30001A CABINET ASSY INDOOR R 130911 2 3091A30002A CABINET ASSY INDOOR R 130911 3 3091A30003A CABINET ASSY INDOOR R 135312 3531A10004B GRILLE ASSY FRONT R 137213 3721A10001M PANEL ASSY SIDE R 140570 4057AP4344A LOCKER ASSY R 146812 2H01102A MOTOR ASSY SYNC R 152302 5231AP2884A FILTER MECH A C R 158591 5859 20001 PUMP ASSY WATER R 249951 4995A20137D CONTROL BOX ASSY INDOOR R 268714 6871A10008H PWB PCB ASSY MAIN R 263230 6323AQ3226B THERMISTOR ASSY R 266012 6601A20001A SWITCH ASSY FLOAT R 267110 1 6711A10002H REMOTE CONTROLLER ASSY R 267110 2 6711A20041B REMOTE CONTROLLER ASSY R OPTION 330870 3087AP1369A DRAIN PAN ASSY R 346810 4681A20006A MOTOR ASSY INDOOR R 352118 5211 30020 ASSY MENIFOLD INDOOR R 354212 5421A10013A EVAPORATOR ASSY FINAL R 35511A 5211A30021A TUBE ASSY SUCTION INDOOR R 359011 5901A10001B FAN ASSY TURBO R 60 Parts List e MODEL LT B3621CL LOCATION NO PART NO DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY INDOOR R 13091 1 1 3091A30001A CABINET ASSY INDOOR R 130911 2 3091A30002A CABINET ASSY INDOOR R 130911 3 3091A30003A CABINET ASSY INDOOR R 135312 3531A10004B GRILLE ASSY FRONT R 137213 3721A10001M PANEL ASSY SIDE R 140570 4057AP4344A LOCKER ASSY R 146812 2H01102A MOTOR ASSY SYNC R 152302 5231 2884 R 158591 5859 20001 PUMP ASSY WATE
38. R 354212 5421A20013C EVAPORATOR ASSY FINAL R 35511A 5211 30021 TUBE ASSY SUCTION INDOOR R 359011 5901A10001B FAN ASSY TURBO R 66 2 Outdoor Unit 2 1 MODEL LT B2461CL B2461HL B2861CL B2421CL B2421HL B2821CL B3021CL 554031 435512 67 Parts List e MODEL LT B2421CL LOCATION NO PART NO DESCRIPTION REMARKS 135301 3530AP2289V GRILLE ASSV DISCHARGE OUTDOOR R 349499 4948AP2527A ORIFICE R 430410 3041A30003K BASE ASSY WELD OUTDOOR R 435512 3H03266J COVER ASSY TOP OUTDOOR R 437210 3721A20005G PANEL ASSY FRONT OUTDOOR R 447910 2H02110A BARRIER ASSY OUTDOOR R 546810 4681A20008J MOTOR ASSY OUTDOOR R 550140 4H01765A ISOLATOR COMP R 552203 1 2A00392E VALVE SERVICE R 552203 2 2A00393C VALVE SERVICE R 552560 5257AR3648A MUFFLER R 554031 5402AR2347K CONDENSER ASSY BENT R 554160 2A00713A COMPRESSOR ASSY FINAL R 559010 1A00195B FAN ASSY PROPELLER R 649950 4995A20025H CONTROL BOX ASSY OUTDOOR R WOCZZ 6120AR2194K CAPACITOR DRAWING R 68 Parts List e MODEL LT B2421HL LOCATION NO PART NO DESCRIPTION REMARKS 135301 3530AP2289V GRILLE ASSY DISCHARGE OUTDOOR R 349499 4948AP2527A ORIFICE R 430410 3041A30003K BASE AS
39. R 552203 2 2A00393A VALVE SERVICE R 552560 5257 AR3648A MUFFLER R 554031 5402AR2347K CONDENSER ASSY BENT R 554160 2A01032B COMPRESSOR ASSY R 559010 1A00195B FAN ASSY PROPELLER R 649950 4995A20025G CONTROL BOX ASSY OUTDOOR R WOCZZ 6120AR2194K CAPACITOR DRAWING R 72 Parts List e MODEL LT B2861CL LOCATION NO PART NO DESCRIPTION REMARKS 135301 3530A20007B GRILLE DISCHARGE R 349499 4948AP2527A ORIFICE R 430410 3041A30003K BASE ASSY WELD OUTDOOR R 435512 3H03266J COVER ASSY TOP OUTDOOR R 437210 3721A20005G PANEL ASSY FRONT OUTDOOR R 447910 2H02110A BARRIER ASSY OUTDOOR R 546810 4680AP2135M MOTOR ASSY AC R 550140 4A01334A ISOLATOR COMP R 552203 1 2A00392F VALVE SERVICE R 552203 2 2A00393A VALVE SERVICE R 552560 3A02035G MUFFLER R 554031 5403AP2041C CONDENSER ASSY BENT R 554160 2A01032A COMPRESSOR R 559010 1A00195B FAN ASSY PROPELLER R 649950 4995A20025L CONTROL BOX ASSY OUTDOOR R WOCZZ 6120AR2194K CAPACITOR DRAWING R 73 Parts List e MODEL LT B3021CL LOCATION NO PART NO DESCRIPTION REMARKS 135301 3530AP2289V GRILLE ASSY DISCHARGE OUTDOOR R 349499 4948AP2527A ORIFICE R 430410 3041A30003K BASE ASSY WELD OUTDOOR R 435512 3H03266J COVER ASSY TOP OUTDOOR R 437210 3721A20005A PANEL ASSY FRONT OUTDOOR R 447910 2H02110A BARRIER ASSY OUTDOOR R 546810 4681A20008J MOTO
40. R ASSY OUTDOOR R 550140 4H01765A ISOLATOR COMP R 552203 1 2A00392F VALVE SERVICE R 552203 2 2A00393A VALVE SERVICE R 552560 5257AR3648A MUFFLER R 554031 5402AR2347K CONDENSER ASSY BENT R 554160 2A01032B COMPRESSOR ASSY R 559010 1A00195B FAN ASSY PROPELLER R 649950 4995A20025G CONTROL BOX ASSY OUTDOOR R WOCZZ 6120AR2194K CAPACITOR DRAWING R 74 2 2 Outdoor Unit e MODEL LT B2861HL B2821HL B3021HL 137213 2 CH 7 7777 e 777 2LV 7 7 2 17 7 7 7 SN 75 Parts List e MODEL LT B2821HL LOCATION NO PART NO DESCRIPTION REMARKS 135301 3530A20007B GRILLE DISCHARGE R 137213 1 1A00202C PANEL ASSY SIDE R 137213 2 3A02284L PANEL ASSY SIDE R 263230 3Q35015G THERMISTOR ASSY R 349499 4948AP2527A ORIFICE R 350140 4A01489A ISOLATOR MOTOR R 430410 3041A30003K BASE ASSY WELD OUTDOOR R 435512 3H03266H COVER ASSY TOP OUTDOOR R 437210 2A01041K PANEL ASSY FRONT SUB R 447910 2A01043A BARRIER ASSY OUTDOOR R 546810 294021138 MOTOR ASSY R 550140 4H01765A ISOLATOR COMP R 552201 3A01020A VALVE CHECK R 552202 3A02027B VALVE REVERSING R 552203 1 2A00392E VALVE SERVICE R 552203 2 2A00393Q VALVE SERVICE R 552560 1 3A90082A MUFFLER R 552560 2 4A00232B MUFFLER R 554031
41. R R 249951 4995A20137C CONTROL BOX ASSY INDOOR R 268714 6871A10008J PWB PCB ASSY MAIN R 263230 6323AQ3226B THERMISTOR ASSY R 266012 6601A20001A SWITCH ASSY FLOAT R 267110 1 6711A10002J REMOTE CONTROLLER ASSY R 267110 2 6711A20041A REMOTE CONTROLLER ASSY R OPTION 330870 3087AP1369A DRAIN PAN ASSY R 346810 4681A20006G MOTOR ASSY INDOOR R 352118 5211A30020B TUBE ASSY MENIFOLD INDOOR R 354212 5421A20013C EVAPORATOR ASSY FINAL R 35511A 5211A30021C TUBE ASSY SUCTION INDOOR R 359011 5901A10001B FAN ASSY TURBO R 61 Parts List e MODEL LT B3621HL LOCATION NO PART NO DESCRIPTION REMARKS 130411 3041A20001A BASE ASSY INDOOR R 130911 1 3091A30001A CABINET ASSY INDOOR R 130911 2 3091A30002A CABINET ASSY INDOOR R 130911 3 3091A30003A CABINET ASSY INDOOR R 135312 3531 10004 GRILLE ASSY FRONT R 137213 3721 10001 PANEL ASSY SIDE R 140570 4057AP4344A LOCKER ASSV R 146812 2H01102A MOTOR ASSY SYNC R 152302 5231AP2884A FILTER MECH A C R 158591 5859 20001 PUMP ASSY WATER R 249951 4995A20137D CONTROL BOX ASSY INDOOR R 268714 6871A10008H PWB PCB ASSY MAIN R 263230 6323AQ3226B THERMISTOR ASSY R 266012 6601A20001A SWITCH ASSY FLOAT R 267110 1 6711A10002H REMOTE CONTROLLER ASSY R 267110 2 6711A20041B REMOTE CONTROLLER ASSY R OPTION 330870 3087AP1369A DRAIN PAN ASSV R 346810 4681A20006G MOTOR ASSY INDOOR R 352118 5211A30020B TU
42. SY WELD OUTDOOR R 435512 3H03266J COVER ASSY TOP OUTDOOR R 437210 3721A20005G PANEL ASSY FRONT OUTDOOR R 447910 2H02110A BARRIER ASSY OUTDOOR R 546810 4681A20008J MOTOR ASSY OUTDOOR R 550140 4H01765A ISOLATOR COMP R 552201 3A01020H VALVE CHECK R 552202 3A02027A VALVE REVERSING R 552203 1 2A00392E VALVE SERVICE R 552203 2 2A00393Q VALVE SERVICE R 552560 3A02035E MUFFLER R 554031 5402AR2347B CONDENSER ASSY BENT R 554160 2A00713A COMPRESSOR ASSY FINAL R 559010 1A00195B FAN ASSY PROPELLER R 566000 3A01100A SWITCH PRESSURE R 649950 4995A20025K CONTROL BOX ASSY OUTDOOR R WOCZZ 6120AR2194K CAPACITOR DRAWING R 268711 6871A20015F DEICER PCB R 69 Parts List e MODEL LT B2461CL LOCATION NO PART NO DESCRIPTION REMARKS 135301 3530A20007B GRILLE DISCHARGE R 349499 4948AP2527A ORIFICE R 430410 3041A30003K BASE ASSY WELD OUTDOOR R 435512 3H03266J COVER ASSY TOP OUTDOOR R 437210 3721A20005G PANEL ASSY FRONT OUTDOOR R 447910 2H02110A BARRIER ASSY OUTDOOR R 546810 4680AP2135M MOTOR ASSY AC R 550140 4A01334A ISOLATOR COMP R 552203 1 2A00392F VALVE SERVICE R 552203 2 2A00393A VALVE SERVICE R 552560 3A02035G MUFFLER R 554031 5402AR2347K CONDENSER ASSY BENT R 554160 2A00713D COMPRESSOR R 559010 1A00195B FAN ASSY PROPELLER R 649950 4995A20025L CONTROL BOX ASSY OUTDOOR R WOCZZ 6120AR2194K CAPACITOR DRAWING R 70 Parts List e M
43. UTDOOR R 435512 2A00273A COVER ASSY TOP OUTDOOR R 435512 3A01651A COVER ASSY TOP OUTDOOR R 437210 3A00426X PANEL ASSY FRONT SUB R 447910 4761A90001A BARRIER ASSY OUTDOOR R 546810 2H00430J MOTOR ASSY AC R 552203 1 2A00393A VALVE SERVICE R 552203 2 2A00499A VALVE SERVICE R 554031 1 5403A20007C CONDENSER ASSY R 554031 2 5403A20006C CONDENSER ASSY BENT R 554031 3 5403A20006D CONDENSER ASSY BENT R 554160 2A01196B COMPRESSOR ASSY FINAL R 559010 1H00156B FAN ASSY PROPELLER R 649950 4995A20003N CONTROL BOX ASSY OUTDOOR R WOCZZ 1 2A00986S CAPACITOR DRAWING R WOCZZ 2 3A02157A CAPACITOR R 80 Parts List LT B3621HL LOCATION NO PART NO DESCRIPTION REMARKS 135301 2A00144Y GRILLE ASSY DISCHARGE OUTDOOR R 137213 3A01055Z SIDE R 263230 3Q35015H THERMISTOR ASSY R 349499 2A00251Z ORIFICE R 430410 3A01517W BASE ASSY WELD OUTDOOR R 435512 1 2A00273A COVER ASSY TOP OUTDOOR R 435512 2 3A01651A COVER ASSY TOP OUTDOOR R 437210 3A00426X PANEL ASSY FRONT SUB R 447910 4761 A90001A BARRIER ASSY OUTDOOR R 546810 2H00430J MOTOR ASSY AC R 552201 3A01020H VALVE CHECK R 552202 3A02027B VALVE REVERSING R 552203 1 2A00393A VALVE SERVICE R 552203 2 2A00499A VALVE SERVICE R 554031 1 5403A20007D CONDENSER ASSY R 554031 2 5403A20006A CONDENSER ASSY R 554031 3 5403A20006E CONDENSER ASSY R 554160 2A01196B COMPRESSOR
44. Y pot H T DL 707 d _ 800 d _ 840 328 8 Outdoor Unit VV i x o g Y Y CN 1 B Gas side 3 way Liquid side sel 3 way valve 2 Lo L7 L6 L8 L9 MODEL LT B2421CL HL LT B2461CL HL lcm LT B2861CL LT B2821CL LT B3021CL LT B2861HL LT B2821HL LTB3021HL 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 630 775 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 9 Outdoor Unit LT B3621CL HL B3661CL HL B3681CL HL 482 4 912Hole 27 Air intake vent ej 75 CER gt ol xi Z SE 265 S 5 2 9 10 Refrigeration Cycle Diagram COOLING ONLY IN
45. aximum 16 Units by only one Wired Remote Controller and each Unit starts sequentially to prevent over current Design Features Internal Main PCB Use Only One Wired Remote Controller with several air conditioners max 16 Units Yellow Yellow Sequential starting to prevent overcurrent You can use a group control after connecting the brown and yellow wire of each air conditioner Brown You must remove the resistor OP 7 remote control Standard 28 6 Connecting Pipes to the Indoor Unit Preparation of Piping O X j Main cause gas leakage is defect in flaring D Slanted Uneven Bough work Carry out correct flaring work in the following procedure 990 1 Cut the pipes the cable Use the accessory piping kit or the pipes pur chased locally Measure the distance between the indoor and the outdoor unit E Cut the pipes a little longer than measured dis tance Cut the cable 1 5m longer than the pipe length Reamer Point down 2 Burrs removal Completely remove all burrs from the cut cross section of pipe tube E Put the end of the copper tube pipe to downward direction as you remove burrs in order to avoid Flare nut to let burrs drop in the tubing Remove flare nuts attached to indoor and out door units than put them on pipe tube having completed burr removal Not pos
46. cute heat insulation on the drain piping Heat insulation material Polyethylene foam with thickness more than 8 mm The air conditioner uses a drain pump to drain water Use the following procedure to test the drain pump operation Connect the main drain pipe to the exteri or and leave it provisionally until the test Feed water gt Flexible drain hose comes to an end accessory Feed water to the flexible drain hose and Main check the piping for leakage drain pipe sure to check the drain pump for nor mal operating and noise when electrical wiring is complete Drain Pump e When the test is complete connect the Drain hose connection flexible drain hose to the drain port on Use the clip accessory the indoor unit Drain pan 32 INSULATION 1 Use the heat insulation material for the refriger ant piping which has an excellent heat resis tance over 120 C 2 Precautions in high humidity circumstance This air conditioner has been tested according to the KS Standard Conditions with Mist and con firmed that there is not any default However if it is operated for a long time in high humid atmo sphere dew point temperature more than 23 C water drops are liable to fall In this case add heat insulation material according to the fol lowing procedure Fastening band accessory Refrigerant piping Thermal insulator accessory Heat insulation mat
47. erial to be prepared Adiabatic glass wool with thickness 10 to 20mm Stick glass wool on all air conditioners that are located in ceiling atmosphere In addition to the normal heat insulation thickness more than 8mm for refrigerant piping gas piping thick piping and drain piping add further 10mm to 30mm thickness material FORM THE PIPINGS 1 Wrap the connecting portion of indoor unit with the Insulation material and secure it with two Plastic Bands for the right pipings II you want to connect an additional drain hose the end of the drain outlet should keep distance from the ground Do not dip it into water and fix it on the wall to avoid swinging in the wind In case of the Outdoor unit being installed below position of the Indoor unit 2 Tape the Pipings drain hose and Connecting Cable from bottom to top 3 Form the pipings gathered by taping along the exterior wall and fix it onto the wall by saddle or equivalent 33 Seal small opening around the pipings with gum type sealer Connecting cable Power supply I Pipings cord Trap is required to prevent water from entering into electrical parts In case of the Outdoor Unit being installed above position of the Indoor Unit Seal a small opening around the pipings with gum type sealer 2 Tape the Pipings and Connecting cable from bottom to top 3 Form the pipings gathered by taping along the
48. ete Are not terminal screws loosened refrigerant and drain piping Is there any leakage of refrigerant M4 118N cm 12kgf cm M5 196N cm 20kgf cm 6 245 25 M8 588N cm 60kgf cm 34 2 Connection power supply 1 Connect the power supply cord to the inde pendent 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 dis charge air 2 Ensure the difference between the intake tem perature and the discharge one is more than Thermometer 8 C Cooling or reversely Heating 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
49. ge of ICO1D DC12V NO Check the FUSE and the wiring diagram Check the main P C B pattern Exchange the transformer Check the 0020 0050 Exchange ICO1D Is the output voltage of ICO2D DC5V ls the PIN 31 32 of NO MICOM DC5V Exchange MICOM 42 gt Exchange ICO2D Check the 5V P C B pattern Possible Trouble 2 The indoor fan does not operate Is it the HOT YES START mode NO NO Is 01 operated normally YES Is the each Relay YES any problem Check the fan motor and connector CN MOTOR 43 gt It is normal operation Exchange ICO1M Exchange Relay Possible Trouble Auto Air direction louver does operate Is ICO1M operated NO normally Is the PIN 10 of NO gt Exchange ICO1M Check the main P C B CN AC2 DC12V Check the step motor and connector CN AC2 AC1 Possible Trouble 4 Wired remote controller does not operate Is the LCD operated YES DC12V pattern normally s the terminal of wired NO Check the parts of communication Connector CN Remo and Is the pin 31 32 of NO gt terminals of wired Remocon exactly Micom DC 5V Change the wired Remocon 44 gt Check the wired Remocon PCB and DC 12V pattern Possible Trouble 5 Ineffective Heating
50. h kcal h 36 000 9 072 36 000 9 072 36 000 9 072 36 000 9 072 36 000 9 072 36 000 9 072 Heating Capacity Btu h kcal h 36 000 9 072 36 000 9 072 36 000 9 072 Moisture Removal l h 5 0 5 0 5 0 5 0 5 0 5 0 Power Source Air Circulation Indoor Outdoor V Hz 30 380 415V 50Hz 19 220 2 40 50 2 19 220V 60 2 22 58 Input Cooling Heating 4 300 4 100 Running Current Cooling Heating 7 5 22 22 7 0 21 Btu h W Dimensions Wx D Indoor Outdoor mm 800 x 800 x 298 910 x 910 x 30 790 x 965 x 320 Net Weight Indoor Outdoor kg 35 30 5 80 81 80 22 9 3 150 3 150 3 150 Airflow Direction Control amp Down 0 Wired Remocon Wireless Remocon Optional Service Valve amp Liquid 3 8 9 52 Connecting Tube Gas 3 4 19 05 Drain Hose 0 Connecting Wire 0 75mm Main Power Cable 3 5mm Time Delay Safetv Function Air Circulation Soft Dry Fan Speed Indoor Timer 3 Hi Med Low Self Diagnosis 7 Dimensions Indoor Unit i 1 4d _ 5 U
51. 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 the remote control cord from electrical noise place the cord at least 5cm away from other power cables audio equipment television set etc If the remote control cord is secured to a wall provide a trap at the top of the cord to prevent water droplets from running 25 WIRED REMOTE CONTROL INSTALLATION DISASSEMBLING Front case Separate the under plate from Remote control box Lever carefully Remote control the box open box body Fix the cord clamps on the wall by using a screw 3 tapping screws accessory 2 Fix the remote control cord Fix the under plate on the wall IX the 6 ord Face of wall Under plate gt 2 Screw accessory ELECTRICAL WIRING Remote controller Main board 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 wire size greater than 0 5mm REMOTE CONTROL PREPARATION OPTION HOW TO MOUNT ONTO A WALL HOW TO INSERT BATTERIES 7 Remove the battery cover from the remote con troller Slide the cover according to the arrow direction Insert the two batteries Be sure that the and directions are correct Be sure that b
52. 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 HAND OVER Teach the customer the operation and maintenance procedures using the operation manual air filter cleaning temperature control etc 35 3 way Valve 1 Pumping down Outdoor unit Purge the air Procedure 1 Confirm that both liquid side and gas side valves are set to the open position Remove the valve stem caps and confirm that the valve stems are in the raised position Be sure to use a hexagonal wrench to operate the valve stems 2 Operate the unit for 10 to 15 minutes 3 Stop operation and wait for 3 minutes then connect the charge set to the service port of the 3 way valve Connect the 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
53. mporarily fixed screws and other two screws Total 4 screws Connect the louver motor connector After tightening these screws install the air inlet grille including the air filter Piping side Install the panel after making sure that the piping side of the unit bodv matches the piping indication of the decorative panel The arrow gt should point to the side where the pipes are Decorative panel fixing screws Hexagon M5 screw gt 22 X Inlet Grille A 31 CAUTION Install certainly the decorative panel Cool air leakage causes sweating Water drops fall Good example Bad example Air conditioner unit M J Cool air leakage Air no good 3 Air conditioner unit FI EN TIT TAL JJ Decorative panel Decorative Fit the insulator this part panel careful for cool air leakage IU Ceiling board 8 INDOOR UNIT DRAIN PIPING Drain piping must have down slope 1 50 to 1 100 be sure not to provide up and down slope to prevent rever sal flow During drain piping connection be careful not to exert Pipe clamp extra force on the drain port on the indoor unit outside diameter of the drain connection the indoor unit is 32mm Piping material Polyvinyl chloride pipe VP 25 pipe Maintenance drain port sure to exe
54. nd wind 30sec The 4 way valve is ceased for 30sec to prevent the refrigerant gas abnormal noise when the Heating operation is OFF or switched to the other operation mode while compress is off While compressor is running it takes 3 5 seconds to switch 2 Auto Swing Control This function is to swing the louver up and down automatically 3 Air Filter Checking Control Filter will display in the remote controller display when an air filter is polluted Then clean the air filter for refer ence 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 Operation by Micom Control 5 Cooling Mode Operation When selecting the Cooling zs Mode Operation the unit will operate according to the setting by the remote con troller and the operation diagram is as following Intake Air temp COMP ON SET TEMP 0 5 C COMP OFF SET TEMP 0 5 C More than More than 3 minutes 3 minutes INDOOR FAN Selecting Low Selecting Low Selecting fan speed fan speed fan speed COMPRESSOR ON OFF ON OFF ON 19 6 Heating Mode Operation Cooling Model The unit will operate according to the setting by the remote controller and the operation diagram is shown as following Intake Air temp minimum 3min
55. oth batteries are new formance 31 Re attach the cover dpt 25 for some long time Slide it back into position 26 use rechargeable bat teries such batteries differ from standard dry cells in shape dimensions and per e Romove the batteries from the remote controller if the air con ditioner is not going to be used 5 Wiring Connection Open the control box cover and connect the Remote control cord and Indoor power wires Control box cover fitting screw 4 units 1 Phase e Heat Pump Model Cooling Model 3 Phase Heat Pump Model Cooling Model Control box cover Terminal Block of Indoor Unit 3 4 0 5 6 7 1 1 Terminal Air inlet side view Wire taking inlet Block of Outdoor Unit 1 2 0 BINA 5 61718 4 Power Cord Terminal Block of Indoor Unit 3 M I4 C 5 6 7 1 Terminal Block of Outdoor Unit 51 61718 n Power Cord Terminal Block of Indoor Unit 3 14 0 5 6 7 1 1 Block of Outdoor Unit 81 5 31M40 CI 5 6 7 8 i EE Power Cord LI NC Terminal Block of Indoor Unit 3 4 0 5 6 7 1 Terminal Block of Outdoor Unit 8 5 I M 3040 6 516 7 8 J
56. r approximately one hour Confirm that the gauge needle has moved toward 76 cmHg vacuum of 4 mmHg or less 39 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 3 Gas Charging After Evacuation Indoor unit Liquid side Open Outdoor unit 2 Way valve 1 Ju Gas side Open 3 Way Check valve valve Charging cylinder L Procedure 1 Connect the charge to the charging cylinder Connect the charge hose which you dis connected from the vacuum pump to the valve at the bottom of the cylinder If you are using a gas cylinder also use a scale and reverse the cylinder so that the system can be charged with liquid 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air Be careful of the liquid refrigerant The procedure is the same if using a gas cylinder 3 Open the valve Lo side on the charge set and charge the system with liquid refrigerant If the system can not be charged with the specified amount of refrigerant it can be charged with a little at a time approxima
57. s 2 Outdoor unit More than 10cm More than 10cm 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 fence or other obstacles 22 3 Piping length and the elevation Pipe Size Length A m Elevation refrigerant GAS LIQUD Rated Rated Max gm 24K 28K 30K BTU 5 8 3 8 5 20 5 15 50 36K BTU 34 3 8 5 25 5 20 70 Rated performance for refrigerant line length of 5m H 24K or 28K Model is installed at a distance of 15m 500g of refrigerant should be added NOTE 15 5 X500 e Thoroughly study the following installation locations Indoor unit Outdoor unit 1 In such places as restaurants and kitchens considerable amount of oil steam and flour adhere to the turbo fan the fin of the heat exchanger and the drain pump resulting in heat exchange reduction spraying dispersing of water drops drain pump malfunction etc In these cases take the following actions Make sure that the ventilation fan for smoke collecting hood a cooking table has sufficient capacity so that it draws oily steam which should not flow into
58. sible to put them on after flaring work 4 Flaring work Carry out flaring work using flaring tool as shown below Handle Outside diameter A par t A mm inch mm Cone 29 52 3 8 0 5 0 8 C15 88 5 8 0 8 1 0 Copper pipe 219 05 3 4 1 0 1 3 eine handle Red arrow mark Firmly hold copper tube in a bar or die as indicat ed dimension in the table above Smooth all round Inside is shining without scratches 5 Check 1 Compare the flared work with figure below 2 2 flare is noted to be defective cut off the flared Improper flaring section and do flaring work again Tt Tm aa Inclined Surface Cracked Uneven damaged thickness Even length all round 29 1 Form the piping according to its routing Avoid bending and bending back the same piping point more than three times This will result in hardening the pipe 2 After deforming the piping align centers of the union fitting of the indoor unit and the piping and tighten them firmly with wrenches 8 Connect pipe to the service valve or ball valve which is located below the outdoor unit 4 After completing the piping connection be sure to check if there is gas leakage in indoor and outdoor connection Vacuum drying After completing the piping connection execute vacu um drying for the connecting piping and the indoor unit The vacuum drying must be carried out u
59. sing the ser vice ports of both the liquid and gas side valves Model Liquid side piping Gas side piping 24K 28K 30K BTU 9 52mm 015 88 36K BTU 0 9 52mm 019 05 CAUTION Use two wrenches and tighten with regular torque Flare nut fastening torque 6 35mm 1 8kg mm 9 52mm 4 0kg mm Q12 7mm 5 5kg mm 15 88 6 6kg mm 19 05 6 6kg mm 30 Liquid side Sri Indoor unit lare connection lare connection 7 Installation Decorative Panel The decorative panel has its installation direction Before installing the decorative panel always remove the paper template 10mm in length Temporarilv fix two decorative panel fixing screws hexagon M5 screw on the unit bodv Tighten bv amount The fixing screws 5 screw are included the decorative panel box Remove the air inlet grille from the decorative panel Remove the hook for the air inlet grille cord screws reach the kev hole edge Air conditioner unit Louver motor connector In the control box Decorative panel fixing screws lt j hexagon M5 screws 1 Temporally fitting at 2 places Tightening about 10mm 1 Decorative panel Louver motor connector Hook the decorative panel key hole C on the screws fixed in step above and slide the panel so that the Retighten completely two te
60. t Wiring Diagram KEE 30 380 415V POWER SUPPLY oc Q Q lt 2 BL BLUE RED BK BLACK WHITE BR BROWN YL YELLOW OR ORANGE GN YL GREEN YELLOW WIRING OF FIEED CONNECTING WIRE wemwsronronmeerewe lt 6 o pecenres P NO 3854A30042H 16 7 LI 83621CL 83661CL Outdoor Unit Wiring Diagram per TM 2 ane 11 POWER SUPPLY BK _ Cr Sic R o TO INDOOR RD RED WH WHITE YL VELLOW ORANGE GN YL GREEN YELLOW WIRING OF FIELD CONNECTING WIRE MAGNETIC CONTACTOR MAIN TERMINAL BLOCK FUSE 250V 5A TERMINAL BLOCK COMPRESSOR OUTDOOR FAN MOTOR RUN CAPACITOR FOR FMo RUN CAPACITOR FOR CM P NO 3854A30042N 17 8 LT B3621HL B3661HL Outdoor Unit Wiring Diagram C RED WHITE YELLOW GN YL GREEN YELLOW WIRING OF FIELD CONNECTING WIRE 63H2 HIGH PRESSURE SWITCH FOR HEATING ronner _ sari reuarronrie P NO 3854A30042L 18 Operation Details 1 The function of main control 1 Time Delay Safety Control 3min The compressor is ceased for 3minutes to balance the pressure in the refrigeration cycle Protection of compressor 55 Vertical air flow direction control louvers open in 5 seconds to prevent noise between louvers a
61. tely 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 40 This is different from previous procedures Because you are charging with liquid refrigerant from the gas side absolutely do not attempt to charge with larger amounts of liquid refrigerant while operating the air conditioner 4 Immediatelv disconnect the charge hose from the 3 wav valve s service port Stopping partwav will allow the gas to be discharged If the system has been charged with liquid refrigerant while operating the air conditioner turn off the air conditioner before disconnecting the hose 5 Mount the valve stem nuts and the service port nut Use torque wrench to tighten the service port nut to a torque of 1 8 kg m Be sure to check for gas leakage Cycle Troubleshooting Guide Trouble analysis 1 Check temperature difference between intake and discharge air and operating current Temp Difference Operating Current Notice Current Temp difference approx 0 C less than 80 of rated current Current Temp difference approx 8 less than 80 of rated current Temp difference less than 8 C Current over the rated current Temp difference over 8 All amount of refrigerant leaked out Check refrigera
62. 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 oily steam Take enough distance Use the ventilation fan for smoke collecting hood with sufficient Cooking table capacity 2 Avoid installing air conditioner in such circumstances where cutting oil mist or iron powder is in sus pension in factories etc 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 23 2 Ceiling opening dimensions hanging bolt location dimensions of the paper model for installing are the same as those of the ceiling opening dimen _ 840 Ceiling opening sions 624 Hanging bolt 5 800 Unit size 720 Hanging bolt 840 Ceiling opening 800 Unit size 60 CAUTION This air conditioner uses a drain pump e Horizontly install the unit using a level gauge During the installation care must be taken not to damage electric wires CHF LFF LF Ceiling 22 oa Level gauge Select and mark the position for fixing bolts and ing hole Decide the position for fixing bolts slightly tilted to the drain direction after considering the direction of drain hose Drill the hole for anchor bolt on the wall
63. tion cycle Refrigerant leakege Clog of refrigeration cycle Defective compressor Excessive amount of refrigerant Normal Temperature 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 Suction pressure Compared with the normal value Temperature Compared with the normal value Cause of Trouble Description Defective compressor Current is low mign Defective 4 way reverse valve pigner Excessive amount of High pressure does not quickly Normal refrigerant rise at the beginning of operation Insufficient amount of Current is low Lower Higher refrigerant Leakage Clogging Current is low Notice 1 The suction pressure is usually 4 5 6 0 kg em G at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tubing and wrap it with putty 41 Electronic Parts Troubleshooting Guide Possible Trouble 1 The unit does operate NO Is the input voltage of transformer AC220V2 Is the output voltage of transformer about AC14V2 Is shorted the transformer output2 Is the input voltage NO of ICOID DC14V NO Is the output volta

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