LG Floor Standing Type Air Conditioner
Contents
1. A 2 7 2 N d 7 R 46 Floor Standing Type Air Conditioner Exploded View and Replacement Parts List 47 Service Manual Exploded View and Replacement Parts List Parts List Indoor Unit gell ION DESCRIPTION PART No QTY Remark 130400 BASE INDOOR 3040AP2199D 1 130900 CABINET 3090AP1174D 1 135310 GRILLE ASSEMBLY DIFFUSER INDOOR 3531A20099H 1 135313 GRILLE ASSEMBLY INLET 3531A10126D 1 135317 GRILLE ASSEMBLY INDOOR MOTOR 3531 20082 1 135511 COVER 3550 10034 1 185515 COVER ASSEMBLY TOP INDOOR 3551 10013 1 137211 PANEL ASSEMBLY FRONT INDOOR 3721A10044M 1 146812 MOTOR ASSEMBLY SYNC 2H01102A 1 150170 MAGNET ASSEMBLYMECH 3A02221A 2 152302 FILTER MECH A C 5230A20015A 1 159830 AIR CLEANER ASSEMBLY 5983A10003D 1 237202 PANEL FRONT 3720A10055C 1 247810 CONTROL BOX INDOOR 4994A10026B 1 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20200P 1 267110 REMOTE CONTROLLER ASSEMBLY 6711A20054R 1 268712 PWB PCB ASSEMBLY MAIN 68714100541 1 268714 PWB PCB ASSEMBLY MAIN AC 6871A20268Q 1 330870 DRAIN PAN ASSEMBLY 3087A30001D 1 336600 HOUSING MECH WRAPPER 3660A20024C 1 346810 MOTOR ASSEMBLY INDOOR 4681A20015D 1 3492. ICN EVA 0008 TER LOWER XM DOOR STEI LOWER M LEFT TEP OUTLET NM RIGHT OUTLET KM E HEATER PTC2 T S FUSE CN AC M BR EVERSO BK Wiring Diagram BK RY OPEN CN DOOR1 RY COSE 5 0 BL YL SYNC DOOR ORN M UPPER CN DOOR2 CN RIGHT CN TOP CN ROOM CN TH Si CN UP DOWN SENSOR LEFT fe DOOR SENSOR PHOTO SENSOR THERMISTOR H OUTDOOR AP Z286RCO0 AP Z286R20 AP Z286R30 MAIN DC PCB ASM OUTDOOR TO THE INDOOR UNIT E HEATER POWER SUPPLY TO THE INDOOR UNIT POWER SUPPLY 3854A20179Y STEI M STEI LE LI MOTOR UP DOWN MOTOR POWER SUPPL C TH Deice PCB T TNS L4 POWER RELAY C TH Deice PCB ze 9 t POWER RELAY CAPACITOR 3854A20445G CAPACITOR COMP THERMISTOR COND TH Service Manual TERMINAL BLOCK 13 Wiring Diagram 2 AP Z488TCO INDOOR ELECTRIC CIRCUIT AC PCB ASM CAPACITOR CN FA
3. 41 Service Manual Exploded View and Replacement Parts List KON eS II is 42 Floor Standing Type Air Conditioner Parts List Indoor Unit Exploded View and Replacement Parts List LOSATION DESCRIPTION PARTNO Q TY Remark No AP Z286RC0 AP Z286R20 AP Z286R30 130911 CABINET ASSEMBLY INDOOR 3091A10037E 3091 10037 3091A10037S 1 132111 FRAME ASSEMBLY 3211 20006 1 135310 GRILLE ASSEMBLY DIFFUSER INDOOR 3531 10133 3531 201640 3531A20164F 1 135511 COVER ASSEMBLY CONTROL INDOOR 3551A20053C 1 135313 1 GRILLE ASSEMBLY INLET 3531A10135C 3531A10203P 3531A10203R 1 135313 2 GRILLE ASSEMBLY INLET 3531A10134C 3531A10203Q 3531A10203S 1 135515 COVER ASSEMBLY TOP INDOOR 3551 10014 3551A10022A 3551 10022 1 137211 PANEL ASSEMBLY FRONT INDOOR 3721A10047Y 3721A10130C 3721A10130W 1 140570 LOCKER ASSEMBLY 4A01405C 4A01405C 4A01405C 1 159830 AIR CLEANER ASSEMBLY 5983A100048 59834100048 5983A10004S 1 235512 COVER ASSEMBLY DISPLAY 3551A20052V 3551A20135E 3551A20103F 1 235811 1 DOOR ASSEMBLY CLEAN 3581A20002E 3581A20005Y 3581A20005V 1 235811 2 DOOR ASSEMBLY CLEAN 3581A20003D 3581A20005T 3581A20006M 1 237201 PANEL BASE 3
4. again 27 C 26 C 25 C 24 C 23 C 22 C 21 C 28 35min 47min Je 7 Je E 50 50min 50min Sin D nnd Jm fo Setting energy Setting temp Setting temp Setting temp maintains setting temp saving operation 23 C 24 C 25 C 25 C 15 AUTO RESTART In case the power comes on again after a power failure Auto Restarting Operation is the function to operate procedures automatically to the previous operating conditions Service Manual 21 Operation Details 16 Function of changing set temperature when re operation after stop Operation is set the following condition when re operation with start stop button 1 Operation mode Cooling soft dry mode Cooling mode Heating mode Heating mode 2 Setting the set temperature when cooling operation Room temperature Set temperature to be set to the previous set temperature Room temperature lt Set temperature Room temperature gt 26 C to be set to 24 C b 22 lt Room temperature x 25 C to be set to 21 C C 19 lt Room temperature x 21 C to be set to 1 C less than room temperature d Room temperature lt 18 C to be set to 18 3 Setting the set temperature when heating operation Room temperature Set temperature to be set to the previous set temperature Room temperature 2 Set temperature Room temperature lt
5. RY HIGH yok CAPAQHOI 5 X CN ACM 2 3 4 5 CN AWAY 1 RY OPEN RYCLOSE 5 0 POWER RELAY POWER SUPPLY Du CN ROOM CAPACITOR SENSOR TH CNKEY e iit o O 3854A20144Z DOORSEIGoR lt CAPACITOR COMP OPTION SENSOR THERMISTOR COND TH TERMINAL BLOCK E HEATER TiS FUSE UDOOR L DOOR MOTOR MOTOR 12 Floor Standing Type Air Conditioner INDOOR AP Z286R20 AP Z286R30 iS RY PTC1 DOOR DOOR SW1 5 2 BL WHIRD BK MAIN AC PCB ASM E ares BL RD CN AIRC DO2K BL VARISTOR 5 250 3 15 NI FUSE 250V 3 15A 2131415 1112 BR e Ou 5 OM ei RYLOW 9 CN FAN M RY MID 1 YL HEATER RY HIGH CAPACITOR RY S H THERMISTOR
6. 20 C to be set to 23 b 21 lt Room temperature x 25 C to be set to 26 C C 26 C lt Room temperature lt 28 C to be set to 1 more than room temperature d 29 lt Room temperature to be set to 30 17 Function for test operation 1 Outline of Operation This is for checking the condition of installation during the installation and it is operated by cooling Fan speed is high comp on and Auto air flow operations without setting temperature 2 Operation or Cancel Do test operation if you push ON OFF button and the down room temperature checking button 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 auto air flow operation comp on for 18 1 minutes regardless of room temperature After 18 1 minutes of operation it becomes off itself During the operation signal 5B stands for L o 22 Floor Standing Type Air Conditioner Installation of Indoor Outdoor Unit N Installation of Indoor Outdoor Unit 1 Selection of the best location 1 Indoor unit There should not be any heat source or steam near the unit There should not be an
7. Confirm that both the liquid side and gas side 3 Open the valve Lo side on the charge set valves are set to the back seat and discharge the refrigerant until the gauge indicates 0 kg cm G 2 Connect the charge set to the 3 way valve s f there is no air in the refrigerant cycle the port pressure when the air conditioner is not run Leave the valve on the charge set closed ning is higher than 1 kg cm G discharge the Connect the charge hose to the service port refrigerant until the gauge indicates 0 5 to 1 kg cm G if this is the case it will not be neces sary to apply a evacuatin Discharge the refrigerant gradually if it is dis charged too suddenly the refrigeration oil will also be discharged Service Manual 33 3 Way valve 2 Evacuation All amount of refrigerant leaked Liquid side Outdoor unit Procedure 1 Connect the vacuum pump to the center hose of charge set center hose 2 Evacuation for approximately one hour Confirm that the gauge needle has moved toward 76 cmHg vacuum of 4 mmHg or less 34 Floor Standing Type Air Conditioner 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 deplet
8. damage to the product tioner could fall with it causing damage furniture property damage product failure and personal injury Operational Do not touch operate the Do not place a heater or other not let electric parts of the product with wet hands appliances near the power product get wet cable There is risk of fire or electrical There is risk of fire or electric There is risk of fire failure of the shock shock product or electric shock 4 Floor Standing Type Air Conditioner Safety Precautions Do not store or use flammable gas or com If strange sounds or small or smoke comes bustibles near the product from product Turn the breaker off or discon nect the power supply cable There is risk of fire or failure of product There is risk of electric shock or fire Do not open the inlet grill of the product during Be cautious that water could not enter the operation Do not touch the electrostatic filter product if the unit is so equipped There is risk of physical injury electric shock or prod There is risk of fire electric shock or product damage uct failure Installation Always check for gas refrigerant leakage after Install the drain hose to ensure that water is installation or repair of product drained away properly Low refrigerant levels may cause failure of product bad connection may cause water leakage Service Manual 5 Safety Precauti
9. 1 349600 MOUNT MOTOR 1A00206B 1 430411 BASE ASSEMBLY WELD OUTDOOR 3041A20022G 1 435301 GRILLE DISCHARGE 3530A20007J 1 435511 COVER ASSEMBLY CONTROL OUTDOOR 3551A30071L 1 435512 COVER ASSEMBLY TOP OUTDOOR 3H03266H 1 437210 PANEL ASSY FRONT SUB 1 00197 1 435300 GRILLE REAR 1A00208D 1 447910 BARRIER ASSEMBLY OUTDOOR 2A01043L 1 546810 MOTOR ASSEMBLY OUTDOOR 4681A10030B 1 552116 TUBE ASSEMBLY REVERSING 5211A20493L 1 552203 1 VALVE SERVICE 5220A20001R 1 552203 2 VALVE SERVICE 5220A20013A 1 554030 CONDENSER ASSEMBLY FIRST 5403A20178B 1 554160 COMPRESSOR 5416 90027 1 559010 FAN ASSEMBLY PROPELLER 1A00195B 1 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A20027L 1 WOCZZ 1 CAPACITOR DRAWING 2A00986X 1 WOCZZ 2 CAPACITOR DRAWING 2H00841J 1 Service Manual 45 Exploded View and Replacement Parts List B AP Z488TCO 1 Indoor Unit
10. 18 C It is especially used to cool the room temp in the shortest time in a hot summer In heat pump mode or neuro fuzzy mode however the JET COOL function is not available LJ You can select this function during the operation of Cooling Soft Dry Auto Fan 2 When it is selected JET COOL lamp is on immediately and fan speed graphic red is on 3 times off 2 Possible to select or cancel using JET COOL key 2 To cancel the JET COOL Mode press the JET COOL button again or the Fan Speed button or the Room Temperature Setting button and the unit will operate in high Fan speed on Cooling mode set up to 18 C 2 During the operation when it stops and runs again setting up is high fan speed on cooling mode set up to 18 C 14 Energy Saving If setting temperature of starting energy saving operation is under 22 C first setting temperature it up to 22 and perform energy saving operation Q 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 Q If it doesn t satisfy number even in 50 minutes from the start of energy saving operation increase 1 C After increasing setting temperature 1 more by number perform number again if setting tem perature goes up to 25 C maintain this temperature If setting temperature goes down to under 25 C during the operation do number
11. C 33 C D C 28 C 30 C 32 C 26 C 28 C 30 C 27 29 31 CC Indoor Pipe Temp D C Hot Start Release Point 22 C 20 C Heating Start Stop I Low II Selecting Fan Hot Start Operating Indoor fan speed Pipe temp Off lt 22 C Hot start operating Low 222 C Selecting speed gt C C Low lt D C Off lt 20 C 18 Floor Standing Type Air Conditioner 6 Hot Start Control Operation Details The indoor fan stops until the evaporator piping temperature will be reached to 28 During heating operation if piping temperatures fall below 26 C fan stops The operation diagram is as following INDOOR PIPE TEMP Maximum 1min 28 26 INDOOR SPEED Selecting fan speed COMPRESSOR 7 Defrost Control ON Defrost operation is controlled by timer and sensing temperature of outdoor pipe The first defrost starts only when the outdoor pipe temperature falls below 6 C after 45 minutes passed from starting of heating operation and more than Defrost ends after 10 minutes pass from starting of defrost operation or when the outdoor pipe temperature rises over 12 C even if before 10 minutes The second defrost starts only when the outdoor pipe ending of the first defrost and more than More than 45 minutes
12. Teach the customer the operation and maintenance procedures using the operation manual air filter cleaning temperature control etc 30 Floor Standing Type Air Conditioner H 3 way valve 1 Pump down 3 Way valve 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 side valve to the closed posi tion 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 indi cating 3 to 5kg cm g 8 Disconnect the charge set and mount the 2 way and 3 way valve s stem nuts and the ser vice 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 Service Manual 31 3 Way valve 1 Re airpu
13. of heating operation Outdoor Pipe Temp rix temperature falls below 6 C after 45 minutes pass from Within More than 45 minutes of 10 minutes heating operation Defrost lt 12 Defrost Defrost OFF 6 Defrost ON Indoor Fan Compressor 4 Way Valve Service Manual 19 Operation Details 8 Soft Dry Operation Mode During Soft Dry Operation the compressor ON temperature is the setting temperature plus 2 C the compressor OFF temperature is the setting temperature minus 1 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 Operation Cooling Intake Air Temp Cooling Dry operation operation pe lt Setting Temp 2 Compressor ON um e lt gt lt 7 min gt lt 10 min Selecting Selecting Indoor Fan Speed fan speed fan speed Compressor ON ON 9 Protection of the evaporator pipe from frosting Compressor and outdoor fan stop when indoor pipe temperature is below 2 C and restart at the pipe temperature is above 12 10 Air Purifying Operation AP Z286RC0 AP Z286R20 AP Z286R30 AP Z488TCO Mode
14. way valve s service port Stopping partway will allow the gas to be dis charged 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 Service Manual 35 3 Way valve 2 Heating Mode After Evacuation Charging cylinder 1 Check valve Indoor unit Outdoor unit Procedure 1 Connect the charge hose to the charge cylinder Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder f you are using a gas cylinder 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 e f the system can not be charged with the specified amount of refrigerant it can be charged with a little at a time approximately 150g each time while operating the air conditioner in the cooling cycle howev
15. 3041 100370 1 435301 GRILLE ASSY DISCHARGE OUTDOOR 2 00144 2 437210 PANEL ASSY FRONT SUB 3721AP2913P 1 437210 PANEL ASSY FRONT SUB 3721AP2913Q 1 548490 ACCUMULATOR ASSEMBLY MECH 4849A10017H 1 549610 MOUNT ASSEMBLYMOTOR OUTDOOR 3G00789L 1 552203 1 SERVICE 2A00469K 1 552203 2 VALVE SERVICE 5220A20035A 1 554031 CONDENSER ASSEMBLY BENT 5403A20139A 1 554031 CONDENSER ASSEMBLY BENT 5403A20139B 1 554031 CONDENSER ASSEMBLY BENT 5403A20139C 1 554031 CONDENSER ASSEMBLY BENT 5403A20139D 1 554160 COMPRESSOR SET 2520UBAY2AA 1 554160 COMPRESSOR SET 2520UUCY2AA 1 559010 FAN ASSEMBLY PROPELLER 0A00026B 2 566001 SWITCH MAGNET 6600B000041 1 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A20002L 1 WOCZZ CAPACITOR DRAWING 2A00986D 1 W6640 TERMINAL BLOCK 3A00493A 1 W6640 TERMINAL BLOCK 4G00103A 1 Service Manual 55 March 2006 P No 3828A20156G Printed in Korea
16. 3720AP1202L 1 447910 BARRIER OUTDOOR 4760AP1216C 1 546810 MOTOR ASSEMBLY OUTDOOR 4681A10030B 2 549610 MOUNT MOTOR 4960A10004A 1 552201 VALVE CHECK 3A01020D 1 552202 ASSEMBLY REVERSING VALVE 3A02080B 1 552203 VALVE SERVICE 2A00499L 1 552203 VALVE SERVICE 5220A20001F 1 554031 CONDENSER ASSEMBLY FIRST 5403A21001B 1 554031 CONDENSER ASSEMBLY FIRST 5403A21001D 1 554160 COMPRESSOR SET 2520UBAY2BA 1 556001 SWITCH MAGNET 6600B000041 1 559010 FAN ASSEMBLY PROPELLER 1A00195B 2 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A30011G 1 WOCZZ CAPACITOR DRAWING 2A00986D 1 W49800 SUPPORTER 4980AP2517B 1 W52120 ELBOW 5212AP3173A 1 50 Floor Standing Type Air Conditioner Exploded View and Replacement Parts List H AP Z728FA0 1 Indoor Unit Service Manual 51 Exploded View and Replacement Parts List 52 Floor Standing Type Air Conditioner Parts List Indoor Unit Exploded View and Replacement Parts List 2 ION DESCRIPTION PART No QTY Remark 135310 GRILLE ASSEMBLY DIFFUSER INDOOR 3531A20105B 1 135313 GRILLE ASSEMBLY INLET 3530AP1109A 1 135313 GRILLE ASSY INLET 5237AP2386A 1 147911 BARRIER ASSEMBLY INDOOR 4791AP2300D 1 150170 MAGNET ASSEMBLY MECH 3A02221A 2 159830 FILTER 5231AP3330A 1 235450 DISPLAY ASSEMBLY MECH 3545A2000
17. 480 ORIFICE 4948A30002A 1 349600 MOUNT MOTOR 4960AP2285F 1 354210 EVAPORATOR ASSEMBLY FIRST 2A00971G 1 359012 FAN ASSY BLOWER 5901A00001B 1 552111 TUBE ASSEMBLY CAPILLARY 5211 30413 1 668713 PWB PCB ASSEMBLY SUB 6871 20184 1 753000 HEATER ASSEMBLY ELECTRIC 5301 10027 1 753010 HEATER ASSEMBLY ELECTRIC 5301 10031 1 WOCZZ CAPACITOR DRAWING 2H00841C 1 W4810 BRACKET 4810A30254A 1 W4811 BRACKET 3A02093B 1 W4811 BRACKET 3A02094C 1 W4811 BRACKET ASSEMBLY 4811A30022B 1 48 Floor Standing Air Conditioner Exploded View and Replacement Parts List 2 Outdoor Unit WA Service Manual 49 Exploded View and Replacement Parts List Parts List Outdoor Unit DESCRIPTION PART No Q TY Remark 135301 GRILLE DISCHARGE 3530AP1225D 2 137213 PANEL ASSEMBLY SIDE 3721A20229A 1 147780 LEG 3A02521A 2 150400 RUBBER 5040AP3178A 1 268711 PWB PCB ASSY DEICER 6871A20034A 1 430410 BASE ASSEMBLY WELD OUTDOOR 3041A20047B 1 435511 COVER ASSY CONTROL OUTDOOR 3A01293X 1 435512 COVER ASSY TOP OUTDOOR 3550AP1213B 1 437210 PANEL ASSY FRONT SUB 3720AP1212B 1 437212 PANEL ASSY REAR
18. 4S 1 237202 PANEL FRONT 3720AP1136P 1 249941 CONTROL BOX INDOOR 3500AP2293B 1 267110 REMOTE CONTROLLER ASSEMBLY 67114200545 1 268711 1 ASSEMBLY DISPLAY 6871 20157 1 268711 2 PWB PCB ASSEMBLY MAIN 6871 10150 1 330720 CUT OFF 4A00085A 2 380870 DRAIN PAN ASSEMBLY 3087AP2381A 1 336610 HOUSING ASSY MECH 3661AP1139A 1 336610 HOUSING ASSY MECH 3661AP1139B 1 346810 MOTOR ASSEMBLY INDOOR 4681AP2411M 1 352114 TUBE ASSEMBLY DISTRIBUTOR 5425AG3363V 1 354210 EVAPORATOR ASSEMBLY FIRST 5420AP2380A 1 359012 FAN ASSYBLOWER 2A00578R 2 437210 PANEL ASSEMBLY FRONT SUB 3721A10028U 1 648600 CLAMP CAPACITOR 4H00930D 1 268711 4 _ PWB PCB ASSEMBLY SUB 6871A30046A 1 753010 HEATER ASSEMBLY ELECTRIC 5301 01001 1 WOCZZ CAPACITOR DRAWING 2 009865 1 W4810 BRACKET 4810AP2296B 1 W4810 BRACKET 4810AP2298A 1 Service Manual 53 Exploded View and Replacement Parts List 2 Outdoor Unit 54 Floor Standing Type Air Conditioner Exploded View and Replacement Parts List Parts List Outdoor Unit a ION DESCRIPTION PART No QTY Remark 268711 PWB PCB ASSY DEICER 6871 20015 1 346811 MOTOR ASSEMBLY OUTDOOR 4680AP2610B 2 349490 ORIFICE 4948AP1242R 1 430411 BASE ASSEMBLY WELD OUTDOOR
19. 6 000 72 800 Cooling Power Input W 2 800 5 300 8 800 Current A 13 9 5 15 2 Capacity Btu hr 27 800 48 000 88 000 Heating Power Input W 2 800 5 000 8 200 Current A 13 9 14 5 Model 5JS330DJSA008 061 ARO061YAB AQ042YAB Maker Matsushita Ele LG Ele LG Ele Compressor Type Rotary Scroll Scroll Capacity Btu h 28 101 50 800 50 800 35 200 Input W 2 915 5 347 5 347 3 608 LRA 68 63 63 47 1 4 EE Indoor dB A 48 46 40 53 51 48 56 Outdoor 58 58 65 Air Circulation Indoor 17 600 30 28 26 1 060 989 918 57 48 2 013 1 695 Outdoor 58 2 048 104 3 673 150 5 297 Indoor Sirroco Sirroco Sirroco Fan Type Outdoor Propeller Propeller Propeller Refrigerant R410A oz kg 77 6 2 2 102 2 9 266 7 55 Room Temperature Control Micom 16 30 Micom 16 30 Micom 16 30 With 22 4 570 23 2 590 41 3 1 050 Indoor Height 71 6 1 820 72 8 1 850 74 0 1 880 TER Depth m 12 5 317 17 3 440 19 5 495 Width 34 3 870 34 4 900 39 4 1 000 Outdoor Height 31 5 800 48 2 1 225 38 965 Depth 12 6 320 14 6 370 14 6 370 Net Weight Indoor 70 5 32 132 3 60 291 0 132 Outdoor 138 9 63 198 4 90 330 7 150 Liquid Inch mm 3 8 9 52 3 8 9 52 5 8 15 88 Gas 5 8 15 88 3 4 19 05 1 25 4 10 Floor Standing Air Conditioner Product Specifications AP Z286RC0 AP Z286R20 AP Z286R30 Indoor Unit Outdoor Unit Top Bottom Airflow Contro
20. 720A10066D 3720A10105B 3721A20120K 1 249941 CONTROL BOX INDOOR 4994A10030A 4994A10042A 4994 10042 1 266000 SWITCH PUSH 6600AP2059A 6600AP2059A 6600AP2059A 2 267110 REMOTE CONTROLLER 6711A20041U 6711A20041U 6711A20041U 1 268711 2 PWB PCB ASSEMBLY MAIN AC 6871A20268N 6871 10171 6871A10171A 1 146811 1 Motor Assembly DC Stepping 4681 20055 4681 20055 1 146811 2 Motor Assembly DC Stepping 4681AP2968F 4681AP2968F 4681AP2968F 1 146811 2 Motor Assembly DC Stepping 4681AP2639E 4681AP2639E 4681AP2639E 2 268711 3 PWB PCB ASSEMBLY MAIN DC 6871A20496C 6871 20320 6871A20489A 1 567480 THERMISTOR ASSEMBLY 6323 20016 6323 20016 6323A20016A 1 336600 HOUSING MECH WRAPPER 3660A20023L 3660A20023J 3660A20023J 1 336610 HOUSING ASSEMBLY MECH 3661A20017P 3661A20033A 3661A20033A 1 337000 NET STEEL 3700A30001A 3700A30001A 3700A30001A 1 346810 MOTOR ASSEMBLY INDOOR 4681A20134A 4681A20134A 4681A20134A 1 349480 ORIFICE 4948A20008A 4948A20008B 4948A20008B 1 352150 HOSE ASSY DRAIN 5251AR1222N 5251AR1222X 5251A20011H 1 35211C TUBE ASSY DISCHARGE INDOOR 5211A20284C 5211A20284C 5211A20284C 1 354210 EVAPORATOR ASSEMBLY FIRST 5421A20039G 5421A20039G 5421A20039G 1 354212 EVAPORATOR ASSEMBLY FINAL 5421 20179 5421A20179A 5421A20179A 1 359012 FAN ASSEMBLY TURBO 5901A20013A 5901A20021A 5901A20021A 1 268711 4 PWB PCB ASSEMBLY SUB 6871A20101G 6871AQ3212D 6871AQ3212D 1 730700 IN
21. C Cooling or reversely Heating Service Manual 29 Test running 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 e 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
22. ER THERMOSTAT NOTE ROOM TH THERMISTER FOR EVA INDOOR TEMP RELAY FOR HEATING THERMAL FUSE YL YELLOW Rys RELAY FOR COMP ivi TERMAL BLOCK NDOOR I o Je WH WHITE OUTDOOR UNIT WIRING DIAGRAM N L POWER SUPPLY 3 380 415V 50Hz TERMINAL 4P TO INDOOR UNIT 3854A20317C c memor roncon pe omeen aeuwroneo seen we rw TH renro Gecken aevensnacon me Jrenmceoocronoomeome Service Manual 15 Operation Details H Operation Details 1 The function of main control 1 Time Delay Safety Control 3min The compressor is ceased for 3 minutes to balance the pressure in the refrigeration cycle Protection of compressor 3sec The indoor fan is ceased for 3 seconds to prevent relay noise Protection of fan relay and micro chip e 30sec The 4 way valve is ceased for 30 sec to prevent the refrigerant gas abnormal noise when the Heating operation is OFF or switched to the other operation mode 2 Airflow Direction Control AP Z286RCO0 AP Z286R20 AP Z286R30 AP Z488TCO This function is to swing the louver left and right automatically and to set it at the desired position The procedure is as the following 151 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 Rep
23. N CN AIRC CN HEAT NOTE RED BL BLUE BLACK BR BROWN OR ORANGE KEY PCB ASM O Eva TH CN CABLE CN CABLE YL YELLOW GN YL GREEN YELLOW P NO 3854A20410A DC PCB ASM ELECTRIC HEATER DIAGRAM 5 5 LINN HOOALNO OL CN OUTUNIT RY COMP Lg RYAWAY o TERMINAL 4 s BLOCK RYHIGH CN ROOM TH 5 RY2 5 5 PTC HEATER 2 POWER SUPPLY CONNECT CONTACT R N OF OUTDOOR TERMINAL BLOCK TM Outdoor Unit Wiring Diagram TM PTT T YY POWER SUPPLY 30 380 415 50 2 TERMINAL 4P VCRANK CASE THEATER YL BK YL BK 14 Floor Standing Type Air Conditioner P NO 3854 20411 gt TMo P NO 3854A20119V To the indoor unit Wiring Diagram 3 AP Z728FA0 INDOOR UNIT CIRCUIT DIAGRAM ASM CAPACITOR INSV dOd AV1dSIa HEATER HEATER CONNECT CONTACT R N OF OUTDOOR TERMINAL BLOCK TM POWER SUPPLY CONNECT TO OUTDOOR 1 HOUSING ASM 1 PIPE TH _ THERMISTER FOR EVA TEMP RELAY FOR HEAT
24. STALL 3040A20041C 3040A20067D 3040A20067B 1 753000 HEATER ELECTRIC 5301A10027C 5301 10027 5301A10027C 1 753010 HEATER ASSEMBLY ELECTRIC 5301A10038A 5301A10038A 5301A10038A 1 WOCZZ CAPACITOR DRAWING 3H00660M 3H00660M 3H00660M 1 NUTHEXAGON 1NHA0801206 1NHA0801206 1INHA0801206 4 W1WE WASHER SPRING LOCK 1WSD0800030 1WSD0800030 1WSD0800030 1 W4810 1 BRACKET 4810A20074B 4810A20142A 4810A20142A 1 W4810 2 BRACKET 4810 10008 4810A10008A 4810A10008A 1 W4811 1 BRACKET ASSEMBLY 4811A30011B 4811A30011B 4811A30011B 1 W4811 2 BRACKET ASSEMBLY 4811A30021A 4811A30021A 4811A30021A 1 W50400 RUBBER 50404300314 5040A30031A 5040A30031A 3 W52103 TUBE DISTRIBUTOR 2H00351D 2H00351D 2H00351D 1 35211 TUBE ASSEMBLY SUCTION INDOOR 5211A20423D 5211A20423D 5211 204230 1 Service Manual 43 Exploded View and Replacement Parts List 2 Outdoor Unit N KE N AMMA 44 Floor Standing Type Air Conditioner Parts List Outdoor Unit Exploded View and Replacement Parts List pe cu DESCRIPTION E daf 7R30 Q TY Remark 137213 1 PANEL ASSEMBLY SIDE 1A00202F 1 137213 2 PANEL ASSY SIDE 3A02284L 1 268711 PWB PCB ASSY DEICER 6871A20015Z 1 W6920 RELAY 6920AP3400A 1 349480 ORIFICE 4948AP2527A
25. Selecting Operating Mode Fan Speed Outdoor OFF Initial Starting Outdoor not operating Low at the initial of Air purifying Fan o But could perating Air puri OFF Repress Air Operation fying operating SEI to purifying Button or ON OFF When switched Outdoor operating Selecting Speed ON or OFF Button to Air purifying Main Operating of Main Operating depend on operation Air purifying operating Mode operat ing 11 Child Lock function This function is to operate Air conditioner only by Remocon The procedure is as the following 1st Press the 2 buttons of the temperature control simultaneously to raise to lower on the Display Panel of the product for more 3 seconds 2nd The buzzer sounds and then the window of Display Panel shows LL CL mark 3rd To release this function the reverse again the operating procedure could be done During this function is operating any buttons of Display Panel don t work But it is possible to operate with Remote controller 20 Floor Standing Type Air Conditioner Operation Details 12 Alarm mode display only displayed while operating The sensor for sensing room temperature is open or short The sensor for sensing piping temperature is open or short 13 Jet Cool or Turbo Jet During the JET COOL function at any moment the A C starts to blow the cool air at extremely high speed setting the room temp automatically to
26. defective or under Always ground the product Install the panel and the cover rated circuit breaker Use this of control box securely appliance on a dedicated circuit There is risk of fire or electric There is risk of fire or electric There is risk of fire or electric shock shock shock Always install a dedicated cir Use the correctly rated break Do not modify or extend the cuit and breaker er or fuse power cable Improper wiring or installation may There is risk of fire or electric There is risk of fire or electric cause fire or electric shock shock shock Service Manual 3 Safety Precautions Do not install remove or re Be cautious when unpacking For installation always con install the unit by yourself and installing the product tact the dealer or an Autho customer rized Service Center e There is risk of fire electric shock Sharp edges could cause injury There is risk of fire electric shock explosion or injury Be especially careful of the case explosion or injury edges and the fins on the con denser and evaporator Do not install the product ona Be sure the installation area Do not let the air conditioner defective installation stand does not deteriorate with age run for a long time when the humidity is very high and a door or a window is left open It may cause injury accident or e f the base collapses the air condi Moisture may condense and wet or
27. e to be less then 35 C amp Discharge air Temperature to be less than 29 C The indoor fan operates for minimum 10sec even if falls lower than 34 C x During heating operation the operating procedure of the indoor fan is as the following Stop VI Low V Selecting Fan Speed IV 39 C Discharge Air Temp Hot Start Release Point 28 C Indoor Pipe Temp Jee Stop I Low II Selecting Fan Speed III Hot Start Operating Indoor fan speed Pipe temp Air discharge temp Off x 28 C Hot start operating Low gt 28 lt 39 Selecting speed gt 28 gt 39 Selecting speed gt 28 gt 34 Low gt 26 C lt 34 C Off lt 26 C Service Manual 17 Operation Details 5 1 Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following Intake Air Temp Setting Temp 1 Compressor OFF Setting Temp Compressor ON Setting Temp 1 C A point The indoor pipe temperature to be less than B C The indoor fan operates for minimum 10sec even if the indoor pipe temperature falls lower than B C x During heating operation the operating procedure of the indoor fan is as the following Stop VI Low V Selecting Fan Speed IV Heat OFF Heat ON Indoor Temp Indoor Temp 15 C 1 20 C J 20 15 I 20 1 20 C T 32 C 34 C 36 C 30 C 31
28. ed replenish as needed 3 Gas Charging After Evacuation 3 Way valve Check valve Charging cylinder 1 OPEN Outdoor unit Procedure 1 Connect the charge hose to the charging cylinder Connect the charge hose which you dis con nected from the vacuum pump to the valve at the bottom of the cylinder f 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 refriger ant 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 spec ified amount of refrigerant it can be charged with a little at a time approximately 150g each time while operating the air conditioner in the cooling cycle however one time is not suffi cient wait approximately 1 minute and then repeat the procedure pumping down pin 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 Immediately disconnect the charge hose from the 3
29. er one time is not sufficient wait approxi mately 1 minute and then repeat the procedure pumping down pin 36 Floor Standing Type Air Conditioner 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 Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the gas to be dis charged e f the system has been charged with liquid refriger ant 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 a torque wrench to tighten the service port nut Be sure to check gas leakage Cycle Troubleshooting Guide Trouble analysis Cycle Troubleshooting Guide 1 Check temperature difference between intake and discharge air and operating current Temp Difference Operating Current Notice Temp difference Current approx 0 less than 8096 of rated current Temp difference Current approx 8 less than 8096 of rated current Temp difference less than 8 Current over the rated current Temp difference over 8 All amount of refrigerant leaked out Check refrigeration cycle Refrigerant leakege Clog o
30. etector Check a gas leakage of connecting part of the pipings 7 Manifold gauge To measure the pressure to charge the refrigerant 8 Charge nipple To connect the Refrigerant Vessel 9 Vacuum pump To remove the air in the pipe 10 Charge cylinder balance To measure the refrigerant amount 11 Refrigerant Vessel Gas charge Air purge Cleaning the pipe 12 Spanner To tighten the connecting parts of the pipings 13 Monkey spanner 14 o 15 Pliers 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 resistance 20 Glass thermometer To measure the intake and outlet air temperature of the indoor unit 21 Copper tubes To use the connecting pipings 22 Insulation material To cover the connecting pipings 23 Tape To finish the connecting pipings 24 Electrical Leakage Breaker To shut off the main power 25 Cable To connect the cable from outdoor unit to indoor unit 26 Drain hose sockets elbows To remote the condensing water 1 Preparation of piping Cut the pipes and the cable Use the accessory piping kit or the pipes purchased locally Measure the distance between the indoor and the outdoor unit Cut the pipes a little longer than measured distance Cut the cable 1 5m longer than the pipe length 2 Remove burrs Remo
31. f 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 tem perature 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 Pigh Defective 4 way reverse valve Higher 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 cm G at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tubing and wrap it with putty Service Manual 37 Electronic Parts Troubleshooting Guide Electronic Parts Troubleshooting Guide 1 No Cooling operation performed Possible Trouble 1 The unit does not operate NO Check the FUSE and the wiring diagram Is the input voltage of transformer AC220V Is the output voltage of transformer about AC14V 15 shorted the transformer output Check the
32. g Cut if necessary More than 15mm Insert the plastic tube through the hole Cut the extruded outside part of the plastic tube if necessary 24 Floor Standing Type Air Conditioner 3 Outdoor unit Installation Install the outdoor unit on the concrete or any solid base securely and horizontally by securing it with bolts 012mm and nuts If there is any vibration transmitted to the build ing mount the rubber underneath the outdoor unit 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 charge is required according to the following table MODEL REFRIGERANT CHARGE AP Z286RCO0 0 1 AP Z286R20 30g per 1m AP Z286R30 AP Z488TCO 40g per 1m AP Z728FA0 200g per 1m Example In case of 10m long pipe one way the amount of refrigerant to be replenished is 10 5 x 30 2 150g 1 Installation of Indoor Outdoor Unit No Installation works Descriptions 1 Preparation of tools and installation parts Preparation of installation 2 Flaring the pipes To insert the flare nuts mounted on the connection parts of both indoor and outdoor unit
33. ically The test run is started by pressing the down room temperature checking button and ON OFF button for 3 sec onds at the same time To cancel the test run press ON OFF 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 Is the remote controller switch operated Is the draining smooth Is there any faulty wiring Is the heat insulation complete 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 M6 245N cmi25kof cm 8 588 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 difference between the intake temperature and the discharge one is more than 8
34. ller Left Right Airflow Controller Cool air outlet 2 sides by Manual operation Cool air outlet front side 74 Top Bottom Airflow Controller Left Right Airflow Controller Sliding Clean Display Panel Control Cover Control Panel Air Inlet back side Remote Controller Holder Antibiotic Filter Plasma Deodorant Air Cleaner Air Inlet Antibiotic Filter Air Inlet Air Outlet Bottom Panel Ground Terminal Refrigerant Pipe Port AP Z488TCO Indoor Unit Outdoor Unit Air Outlet Vent Air Intake Vent Rear Remote Signal Receptor Air Outlet Vent Air Intake Vent Service Manual 11 Wiring Diagram 7728 0 Indoor Unit Outdoor Unit Air Outlet Vent 1zz Air Outlet Vent Air Intake Vent Rear Air Intake Vent l Wiring Diagram 1 AP Z286RCO AP Z286R20 AP Z286R30 INDOOR AP Z286RCO 2 BK EVERSINQ Wap BK BK 1 DOOR DOOR SM1 AC PCBASM RY COMP C TH Deice PCB VY TNS VARISTOR FUSE 250V 15A S K c BYMD 550 p
35. main P C B pattern Exchange the transformer Is the input voltage NO of ICO1D DC14V gt Check the 0020 0050 Is the output voltage NO of IC01D DC12V gt Exchange ICO1D al Is the output voltage NO of IC03D DC5V Exchange ICOSD NO Check the 5V P C B pattern Is the PIN 55 64 of MICOM DC5V Exchange MICOM Possible Trouble 2 The indoor fan does not operate NO Is ICO3M operated normally gt Exchange IC03M Is the each Relay YES any problem gt Exchange Relay Check the fan motor and connector CN MOTOR 38 Floor Standing Type Air Conditioner 2 No heating operation works Is the AC220V AC 240 V between connector YES Electronic Parts Troubleshooting Guide CN outunit and of Main PC B NO Is the unit operating YES Reset the power NO Is the input power AC220V AC240V at COMP magnetic coil Check the wiring connection Check the COMP magnetic contactor of outdoor unit ON OFF S W ON Is it heating mode YES NO Select the heating operation mode Room temp lt Set temp YES Is the DC5V NO Room temp lt Set temp Setting at 14 pin of terminal MICOM Is the DC5V at 18 pin of terminal MICOM Is the DC12V at each terminal RY 4WAY COIL AC220V AC 240 V between connec tor 4WAY and CN outunit f of Mai
36. n PC B Is the DC12V at each terminal RY COMP COIL Is the AC220V AC 240 V between connector CN outunit and 09 Main Check the wiring diagram Replacement MICOM Replacement Replacement ICO2M Replacement RY AWAY Replacement ICO2M Replacement RY COMP Service Manual 39 Electronic Parts Troubleshooting Guide 3 No heater operation works NO Is the heating operating Select the heating operation mode Is the Compressor NO C operating ompressor Is the Heat S W of Main NO Heat S W ON PCB Is the heater S W of Main NO PCB ON Heater S W ON Is the DC 5V at 15 pin of NO Replacement MICOM MICOM Isthe DC 12V at eack terminal RY HEATER NO Replacement ICO2M COIL Is the AC220V AC 240 V between connector HEATER and CN outunit of Main PC B Check the heater wiring NO Replacement RY HEATER 40 Floor Standing Type Air Conditioner Exploded View and Replacement Parts List Exploded View and Replacement Parts List AP Z286RCO0 AP Z286R20 AP Z286R30 1 Indoor Unit
37. ons Keep level even when installing the product Use two or more people to lift and transport the product To avoid vibration or water leakage Avoid personal injury Operational Use a soft cloth to clean Do not use harsh Do not touch the metal parts of the product detergents solvents etc when removing the air filter They are very sharp There is risk of fire electric shock or damage to the There is risk of personal injury plastic parts of the product Do not step on or put anyting on the product Do not insert hands or other objects through outdoor units the air inlet or outlet while the product is oper ated There is risk of personal injury and failure of product There are sharp and moving parts that could cause personal injury ENS G Doy E T 4 6 Floor Standing Type Air Conditioner Functions E Functions Power Switch ON OFF Operation Mode Control Cooling Heating Soft Dry Fan Indoor Fan Speed Control High Low Jet Cool or Turbo Z AP Z286R Model only Speed Cooling operates super high fan speed in cooling mode Energy Saving AP Z286R Model only Cooling Mode only Room Temperature control Maintains the room temperature in accordance with the Setting Temp Up up to 30 C Down down to 16 C Sensing Heat Exchanger Temperature Heat exchanger temperature sensor Thermistor Soft Dry Operation Mode Intermittent operation of fan at lo
38. onto the copper pipes 3 Pipe bending To reduce the flow resistance of refrigerant 4 Connection of installation parts Connection of long piping elbows socket etc 5 Tighten the flare nut outdoor Connecting the pipings of the outdoor unit 6 Blowing the pipings To remove dust and scale in working 7 Connecting the pipings 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 if water flow drain hose of indoor unit 13 Connecting the cable between outdoor Preparation of the operating and indoor unit 14 Connecting the main cable to outdoor unit Service Manual 25 Installation of Indoor Outdoor Unit 2 Preparation of installation parts and tools 26 Floor Standing Type Air Conditioner No Installation Parts Tools Use 1 Flaring toolFlaring the pipes 2 Remear Remove burrs from cut edges of pipes 3 Pipe cutter MAX 35mm Copper pipe Cutting the pipings 4 Wrench H5 H4 hexagonal wrench To open the service valve 5 Pipe bender Bending the pipings 6 Leak d
39. ress the Airflow Direction Control Button to set the louver as the desired position Remote controller 3 Cooling Mode Operation When selecting the Cooling SS Mode Operation the unit will operate according to the setting by the controller and the operation diagram is as following Intake Air temp Setting Temp 1 gt Compressor ON E Setting Temp 1 C Compressor OFF More than More than Selecting Selecting Selecting Selecting Selecting zeen or o o o 4 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 window shows the to be setas 1 0 The Off Time is shifted as the following by each press gt gt 1 2 h gt gt If you select 1 the Off Timer function will be cancelled During Off Timer Operation if you repress the timer set button the rest time will be displayed 16 Floor Standing Type Air Conditioner Operation Details 5 Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following Intake Air Temp Setting Temp 1 ES Compressor OFF Bis ail Setting Temp N L Compressor BN N gt Setting Temp 1 minimum minimum minimum A point The indoor pipe temperatur
40. rging 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 cylinder and the charge set Purge the air by loosening the flare nut the liquid side valve approximately 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 dis charge the refrigerant until the gauge indicates 3 to 5 kg cm g 32 Floor Standing Type Air Conditioner 6 Disconnect the charge set and the gas cylin der 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 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 Purg ing 3 Way valve 2 Balance refrigerant of the 3 way valve Gas leakage Outdoor unit KAR Procedure 1
41. the pipings to the indoor unit Align the center of the pipings and suffciently tight en the flare nut with fingers Finally tighten the flare nut with troque wrench until the wrench clicks When tightening the flare nut with troque wrench ensure the direction for tightening follows arrow R lt Indoor unit tubing Flare nut Pipings on the wrench PIPE SIZE TORQUE 3 8 4 2 Kg m 1 2 5 5 5 8 5 5 kom sama 2 wrench 3 4 6 5 Kg m N 3 Precautions in bending it is necessary to bend or stretch the tubing use the spring which is attached to the tubing in stead of pipe bender Spring Please make a careful notice to make a smooth line Hold the tubing with your two hands closely and then bend or stretch it slowly not to make any crack Remember that the radius R should not exceed 70mm Refer to Fig 1 2 Do not repeat the bending process to prevent the tubing from cracking or crushing Keep in mind that the bending part should not be cracked and make the radius R as long as possi ble Refer to Fig 2 28 Floor Standing Type Air Conditioner Test running H 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 Carry out the test run more than 5 minutes without fail Test run will be cancelled 18 minutes later automat
42. ve burrs from cut edges of pipes Turn the pipe end down to avoid the metal pow der entering the pipe Caution If burrs are not removed they may cause a gas leakage Flaring 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 Tape the flaring part to protect it from dust or damages Installation of Indoor Outdoor Unit Pipe cutter 2 Slanted Rough 9077 Reamer Point down Red arrow mark Improper flaring 3 1777 Inclined Surface Cracked Uneven damaged thickness Service Manual 27 Installation of Indoor Outdoor Unit 2 Connection of piping Move the indoor tubing and drain hose to the hole Remove tubing holder and pull the tubing out of the chassis 5 Replace the tubing holder into original position amp Route the tubing and the drain hose staight backwards 4 Insert the connecting cable into the indoor unit through the hole Do not connect the cable to the indoor unit Make a small loop with the cable for easy connection later 5 Tape the tubing and the connecting cable Indoor unit installation Connecting
43. w speed Time Delay Safety Control Restarting is inhibited for approx 3 minutes Fan Operation Used to circulate room air without cooling AutoRestart The power comes on again after a power failure Service Manual 7 Functions Remote Control Operation ON OFF Cooling Operation Mode Heating Operation Mode Sot Dry Operation Mode Intermittent operation of fan at low speed Fan Operation Used to circulate room air without cooling Timer Control OFF Timer 1 2 3 7 hour Jet Cool or Turbo Jet Speed cooling operates super high fan speed in cooling mode Energy Saving Airflow Direction Control Airflow direction Auto swing and Manual Contol Room Temperature Control Up up to 30 C Down down to 16 Indoor Fan speed control High Low 8 Floor Standing Type Air Conditioner Outdoor Unit De ice PCB Outdoor Fan Speed Control One speed Sensing Heat Exchanger Temperature Heat exchanger temperature sensor Thermistor Functions Service Manual 9 Product Specifications H Product Specifications HEAT PUMP MODELS MODEL AP Z286RCO AP Z286R20 AP Z488TCO AP Z728FA0 ITEMS UNIT AP Z286R30 Power Supply V Hz 1 220 240 50 3 380 415 50 3 380 415 50 Capacity Btu hr 28 000 4
44. website http www lgservice c N e mail http www lgeservice LG Floor Standing Type E p html MOD NIT READ THE SAFETY NUAL D SERVICE PERSONNEL Floor Standing Air Conditioner Service Manual TABLE OF CONTENTS Safety E 3 PUNCHONS RE SQ T a EE AE a 7 Product Specifications es na n 10 Wiring RE LCE 12 Operation Delalls DER SEE 16 Installation of Indoor Outdoor Unit 23 Testrunfilng eh a 29 de way Valve EE ER ER EE pe oos 31 Cycle Troubleshooting Guide Seet EE 37 Electronic Parts Troubleshooting Guide 38 Exploded View and Replacement Parts List 41 2 Floor Standing Type Air Conditioner Safety H Safety Precautions To prevent injury to the user or other people and property damage the following instructions must be followed Incorrect operation due to ignoring instruction will cause harm or damage The seriousness is classified by the following indications AA WARNING This symbol indicates the possibility of death or serious injury CAUTION This symbol indicates the possibility of injury or damage to properties only Meanings of symbols used in this manual are as shown below 9 sure not to do Be sure to follow the instruction WARNING E Installation Do not use a
45. y obstacles to prevent the air circulation place where air circulation in the room will be i good Indoor unit place where drainage can be easily obtained A place where noise prevention is taken into con sideration Do not install the unit near the door way Ensure the spaces indicated by arrows from the wall 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 3 Piping length and the elevation Cooling Only Model PIPE SIZE Max Max Indoor unit MODEL Length Elevation GASSIDE LIQUIDSIDE B m A 20K 5 8 1 4 30 20 28K 30K 5 8 3 8 30 20 Outdoor unit 48K 5 8 3 8 30 20 72K 11 10 1 2 50 30 Service Manual 23 Installation of Indoor Outdoor Unit 2 Indoor Unit installation The mounting floor should be strong and solid enough to prevent it from vibration Drill the piping hole with 70mm diameter hole core drill at either the right or the left of indoor unit The hole should be sightly slant to the out door side Core Drill INSIDE OUTSIDE Plastic tube Bushin
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