LG A2UW146FA0 Manuals Download Page 207

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LGE Internal Use Only

12) Troubleshooting CH51, CH60

Over capacity

EEPROM

Check sum

• Over capacity

Combination

• Check sum error

• Check the indoor unit capacity.
• Check the combination table.

• Check the PCB ASM P/No.
• Check the poor soldering.

Display

code

Title

Cause of error

Check point & Normal condition

Check Point

• CH 51

1. Check the indoor unit capacity.

• CH 60

1. Check the insertion condition of EEPROM.

2. Check the poor soldering

Troubleshooting Guide

Model

Gross max. capacity

Max. single indoor unit capacity

A2UW146FA0
A2UW146FA1

21k

12k

A2UW146FA2

A2UW166FA0
A2UW166FA1

24k

12K

A2UW186FA0

A3UW186FA0

30k

18k

A3UW246FA0

33k

24K

A4UW246FA0
A4UW306FA0

39k

24K

A6UW406FA0

52k

24K

Summary of Contents for A2UW146FA0

Page 1: ...H18GD5L0 AMNH24GD5L0 AMNH096AP 1 AMNH126AP 1 4 Way CST AMNH096TEC0 AMNH126TEC0 AMNH186TEC0 AMNH246TFC0 AMNH306TFC0 AMNH366TDC0 AMNH306TFA0 AMNC306TFC0 AMNC366TDC0 AMNH09GTEF0 AMNH12GTEF0 AMNH18GTEF0 AMNH24GTHF0 CVT AMNH096VEA0 AMNH126VEA0 AMNH186VBA0 AMNH246VBA0 Art Cool Type Indoor Unit Outdoor Unit A2UW146FA0 A2UW146FA1 A2UW146FA2 A2UW166FA0 A2UW166FA1 A2UW186FA0 A3UW186FA0 A3UW186FA1 A3UW246FA0...

Page 2: ... of Refrigerant Charge 79 Test Running 85 System Layout and Piping Length 88 Installation 89 Installation of The Main Unit 90 Connection of Piping 91 Connection of Wiring 92 Operation 93 Function of control 93 Function of Indoor Unit 98 Function of Outdoor Unit 104 Remote Control Operation 105 Control Devices and Function 114 Simple Central Control 114 Term of Each part and Function 114 Electrical...

Page 3: ...L Wall Mounted A ART COOL D ART COOL DELUXE T Ceiling Cassette B Ceiling Concealed Duct V Ceiling Floor Convertible D D Look Wall Mounted Function A Basic L Nano Plasma Auto Clean Wall Mounted C Plasma Ceiling Cassette G Low Static Motor ART COOL DELUXE Type Front Panel Color B Blue D Wood M Meta R Mirror W White R410A TPS Inverter Multi System Outdoor Unit And No of Connectable Indoor Units Ex A2...

Page 4: ... COOLING PT CEC 3721A10105D 8435002992961 COOLING PLASMA TE1 family look PT HEA1 3721A10105M HEATING PT HEC1 3721A10105N HEATING PLASMA PT HAD 3721A10106A 8435002994057 HEATING TD family look PT HDC 3721A10106B 8435002994064 HEATING PLASMA PT CDA 3721A10106C 8435002994071 COOLING PT CDC 3721A10106D 8435002994088 COOLING PLASMA TH family look PT HDA1 3721A10106X HEATING PT HDC1 3721A10106Z HEATING ...

Page 5: ...0 AMNH 096DU 0 09GDU 0 AMNH 126DU 0 12GDU 0 AMNH 186D3 0 18GD3 0 AMNH 246D3 0 24GD3 0 Notes A2UW146FA0 1 2 A2UW166FA0 1 A2UW186FA0 and A3UW186FA0 1 are not TPS inverter system but one inverter compressor system TPS Inverter Multi Series Multi Piping Type Distributor Type Heat Pump Model Name Rated Capacity Cooling kW Btu h Heating kW Btu h Number of Indoor Units to be Connected Indoor Units kW Con...

Page 6: ...njury or damage to properties only WARNING Installation Be sure not to do Be sure to follow the instruction Do not use a defective or under rated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock For electrical work contact the dealer seller a qualified electrician or an Authorized Service Center Do not disassemble or repair the product There is risk...

Page 7: ...n Authorized Service Center There is risk of fire electric shock explosion or injury Do not install the product on a defective installation stand It may cause injury accident or damage to the product Be sure the installation area does not deteriorate with age If the base collapses the air condi tioner could fall with it causing property damage product failure and personal injury Do not let the air...

Page 8: ...roduct on Do not use the telephone or turn switches on or off There is risk of explosion or fire If strange sounds or small or smoke comes from product Turn the breaker off or discon nect the power supply cable There is risk of electric shock or fire Stop operation and close the window in storm or hurricane If possible remove the prod uct from the window before the hurricane arrives There is risk ...

Page 9: ... together with a stove etc There is risk of fire or electric shock Turn the main power off when cleaning or maintaining the product There is risk of electric shock When the product is not be used for a long time dis connect the power supply plug or turn off the breaker There is risk of product damage or failure or unintend ed operation Take care to ensure that nobody could step on or fall onto the...

Page 10: ... outdoor unit could damage the neighborhoods It may cause a problem for your neighbors Use two or more people to lift and transport the product Avoid personal injury Do not install the product where it will be exposed to sea wind salt spray directly It may cause corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficient opera...

Page 11: ...rts that could cause personal injury Do not drink the water drained from the product It is not sanitary and could cause serious health issues Use a firm stool or ladder when cleaning or maintaining the product Be careful and avoid personal injury Replace the all batteries in the remote control with new ones of the same type Do not mix old and new batteries or dif ferent types of batteries There is...

Page 12: ...nly Dimensions Dimensions Indoor Unit 1 Split Type Indoor 2 Art Cool Type Indoor Unit Pipe Hole Fix Hole Hanger Hole H W D Installation plate D H W W mm 824 900 1080 840 1090 570 H mm 260 285 314 270 300 568 D mm 155 156 172 153 178 137 Model Dimension SQ 7k 9k SR 9k 12k ST 18k 24k S4 7k 9k 12k S5 18k 24k SP 9k 12k ...

Page 13: ...training and service purposes LGE Internal Use Only Dimensions Installation plate D H W Installation plate D H W MODEL DIM Unit W mm 900 1030 1170 895 H mm 272 290 315 282 D mm 135 153 173 165 SZ 7K SU 9K 12K S3 18K 24K SE 7K 9K 12K 3 Art Cool Deluxe Type SZ SU S3 SE ...

Page 14: ...rvice purposes LGE Internal Use Only Dimensions W H D H H D BH BG BP BT BT1 B1 B2 W W D MODEL DIM W mm 708 1060 880 1180 580 820 1100 H mm 230 230 260 298 300 190 190 D mm 537 357 450 450 750 575 575 BT 9K 12K BT1 18K BH 18K 24K BG 30K 36K BP 9K 12K B1 9K 12K B2 18K 24K 4 Duct Type ...

Page 15: ...d service purposes LGE Internal Use Only Dimensions 5 CVT Type VE 8K 12K VB 18K 24K R Installation plate D W H 250mm 36mm 36mm 1076mm Rear Side 63mm 38mm 175mm Installation Plate 392mm 265mm 468mm D W H MODEL DIM Unit W mm 900 1200 H mm 285 615 D mm 156 205 VE 9K 12K VB 18K 24K ...

Page 16: ...97 7 37 116 3 141 8 180 164 194 4 91 6 180 430 130 Ø80 Ø55 180 91 6 1 000 Ceiling opening 931 6 893 4 Hanging bolt 328 4 Hanging bolt 860 390 30 8 430 Ceiling opening 4 5 6 3 2 1 6 CST Type TC TC1 9K 12K unit mm Number Name Descripition 1 Liquid pipe connection ø6 35 flare 2 Gas pipe connection ø9 52 flare 3 Drain pipe connection 4 Power supply connection 5 Air discharge grill 6 Air suction grill ...

Page 17: ...10 110 670 670 4 1 3 2 5 6 Unit mm 570 Unit size 570 Unit size 450 Hanging bolt 75 75 600 Ceiling opening 600 Ceiling opening 521 Hanging bolt 39 5 39 5 7 CST Type TE 1 9K 12K 18K Dimensions unit mm Number Name Descripition 1 Liquid pipe connection ø6 35 flare 2 Gas pipe connection 9k Ø9 52 12k Ø9 52 18k Ø12 7 flare 3 Drain pipe connection 4 Power supply connection 5 Air discharge grill 6 Air suct...

Page 18: ... 90 90 192 117 70 110 110 4 1 3 2 5 6 Unit mm 744 Unit size 744 Unit size 658 Hanging bolt 66 66 790 Ceiling opening 790 Ceiling opening 572 Hanging bolt 109 109 30 unit mm Number Name Descripition 1 Liquid pipe connection ø6 35 flare 2 Gas pipe connection ø12 7 flare 24K ø15 88 flare 30K 3 Drain pipe connection 4 Power supply connection 5 Air discharge grill 6 Air suction grill Dimensions ...

Page 19: ...12 150 54 90 90 192 117 70 110 110 4 1 3 2 5 6 Unit mm 840 840 806 Hanging bolt 28 28 862 Ceiling opening 862 Ceiling opening 688 Hanging bolt 87 87 30 unit mm Number Name Descripition 1 Liquid pipe connection ø6 35 flare 2 Gas pipe connection ø12 7 flare 24K ø15 88 flare 30K 3 Drain pipe connection 4 Power supply connection 5 Air discharge grill 6 Air suction grill Dimensions ...

Page 20: ...0 90 110 55 840 785 840 678 Fresh Air Inlet Unit mm 840 Unit size 840 Unit size 672 Hanging bolt 101 5 101 5 875 Ceiling opening 875 Ceiling opening 785 Hanging bolt 45 45 4 5 6 1 3 2 Dimensions unit mm Number Name Descripition 1 Liquid pipe connection ø6 35 flare 2 Gas pipe connection ø15 88 flare 3 Drain pipe connection 4 Power supply connection 5 Air discharge grill 6 Air suction grill ...

Page 21: ...H L7 L5 L6 D W H W mm 770 870 870 870 900 H mm 540 655 800 1060 1165 D mm 245 320 320 320 370 L1 mm 287 370 370 360 460 L2 mm 21 25 25 20 45 L3 mm 530 775 775 1040 1135 L4 mm 10 25 25 20 30 L5 mm 518 546 546 550 550 L6 mm 126 160 160 160 175 L7 mm 126 160 160 165 175 UL 14K 16K UE 14K 18K UE1 24K UE2 30K UH 40K MODEL DIM 30K 40K 18K 24K Dimensions ...

Page 22: ...3 4 900 233 340 35 4 9 2 13 4 900 233 340 38 4 9 2 14 6 976 233 372 38 4 9 2 14 6 976 233 372 45 9 10 0 15 3 1165 255 388 45 9 10 0 15 3 1165 255 388 354 774 360 780 354 774 360 780 338 714 340 720 338 714 340 720 264 536 270 540 264 536 270 540 Morning Beige Morning Beige Morning Beige Morning Beige Morning Beige Morning Beige Rated Cooling Capacity kcal hr W Btu hr Rated Heating Capacity kcal hr...

Page 23: ...eat C Fan motor Output W Model Fan Type No Used Diameter EA inch mm Fan RPM Cooling H M L rpm Heating H M L rpm Noise Level Sound Press 1m H M L dBA Temperature controller Coil Tube Size OD inch mm Fins per inch No of Rows Column Dehumidification Rate l h Dimensions W H D inch mm Net Weight kg lbs Piping Connection Liquid inch mm Gas inch mm Drain hose ID Ø mm Packing Dimension W H D inch mm Stuff...

Page 24: ...m Heating H M L rpm Noise Level Sound Press 1m H M L dBA Temperature controller Coil Tube Size OD inch mm Fins per inch No of Rows Column Dehumidification Rate l h Dimensions W H D inch mm Net Weight kg lbs Piping Connection Liquid inch mm Gas inch mm Drain hose ID Ø mm Packing Dimension W H D inch mm Stuffing Quantity With Without S Parts 20 40ft Front Panel Color Position 1764 2051 2267 2638 302...

Page 25: ...ent A Capacitor µF Vac Fan Type No Used Diameter EA inch mm Fan RPM Cooling H M L rpm Heating H M L rpm Noise Level Sound Press 1m H M L dBA Temperature controller Coil Tube Size OD inch mm Fins per inch No of Rows Column Dehumidification Rate l h Dimensions W H D Indoor inch mm Panel inch mm Net Weight kg lbs Piping Liquid inch mm Connection Gas inch mm Drain hose ID Ø mm Packing Dimension W H D ...

Page 26: ...9 52 3 8 9 52 32 32 38 6 10 0 18 1 38 6 10 0 18 1 980 255 460 263 539 263 539 Rated Cooling Capacity kcal hr W Btu hr Rated Heating Capacity kcal hr W Btu hr Air Circulation H M L CMM CFM External Static Pressure mmAq Setting temperature range C Fan motor Output W Model No of Poles Input W Running Current A Capacitor µF Vac Fan Type No Used Diameter EA inch mm Fan RPM Cooling H M L rpm Heating H M...

Page 27: ...8 2637 3024 3516 9000 12000 18000 9000 12000 2520 2930 3326 3868 4990 5802 2520 2930 3326 3868 10000 13000 19800 10000 13200 8 7 6 282 246 211 10 9 8 352 317 282 13 5 12 10 477 424 353 11 5 10 8 5 11 5 10 8 5 2 2 2 4 4 18 30 16 30 18 30 16 30 18 30 16 30 18 30 18 30 35 35 47 118 118 YDK110 35 4L YDK110 35 4L YSK110 70 4L IC 13450LG31A IC 13450LG31A 4 4 4 4 4 68 68 126 180 180 0 31 0 31 0 58 4 3 4 ...

Page 28: ...85 565 50 10 9 27 1272 278 686 50 10 9 27 1272 278 686 189 383 189 383 102 219 102 219 Rated Cooling Capacity kcal hr W Btu hr Rated Heating Capacity kcal hr W Btu hr Air Circulation H M L CMM CFM External Static Pressure mmAq Setting temperature range C Fan motor Output W Model No of Poles Input W Running Current A Capacitor µF Vac Fan Type No Used Diameter EA inch mm Fan RPM Cooling H M L rpm He...

Page 29: ...1 220 240 50 1 220 240 50 1 220 240 50 2 64 3 52 5 27 7 03 9 000 12 000 18 000 24 000 2 93 3 87 5 80 7 44 10 000 13 000 19 800 26 400 Induction Induction Induction Induction Sirocco fan Sirocco fan Sirocco fan Sirocco fan 8 5 7 5 6 5 9 5 8 5 7 5 15 13 5 11 5 17 15 13 5 300 265 230 336 300 265 530 477 406 600 530 477 Direct Drive Direct Drive Direct Drive Direct Drive 2R x 12C x 21 2R x 12C x 21 2R...

Page 30: ...0 620 3580 1 6 6 5 2 0 5 8 1 6 6 5 2 0 5 8 3 5 11 5 4 12 3 5 11 5 4 12 3 08 13 0 4 6 12 9 3 08 13 0 4 6 12 9 3 2 15 7 4 6 15 7 1 1 1 1 28 28 28 1 220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 94 98 94 98 94 98 94 98 94 98 94 98 95 98 2 2 2 3 3 4 4 e Scroll Rotary e Scroll e Scroll e Scroll e Scroll e Scroll Rotary Rotary Rotary MRA99150 9090 MRA99150 9090...

Page 31: ...500 380 1380 1600 380 1380 1600 480 1550 2350 450 1220 1262 450 1400 1550 450 1400 1550 550 1650 2320 1 7 5 7 6 9 1 7 6 3 7 3 1 7 6 3 7 3 2 3 6 9 10 4 2 1 5 9 6 9 2 1 6 4 7 1 2 1 6 4 7 1 2 6 7 3 10 3 8 8 8 8 1 220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 94 98 94 98 94 98 94 98 2 2 2 3 Rotary Twin Rotary Scroll Twin Rotary 5RS102XAA GKT141NAA 5CS130X GKT141NAA DC Brushless Motor Synchronous R...

Page 32: ...r Unit Indoor Unit m Packing Dimension W H D inch mm Stuffing Quantity Without S Parts 20 40ft 1159 9072 5000 48000 5000 57600 5000 67200 1348 10549 1465 14067 1465 16878 1465 19691 4600 36000 1260 12095 1260 14515 1260 16934 2116 10332 5500 53000 5800 63600 5800 75600 2461 12014 1612 15533 1700 18636 1700 22152 8 400 41 000 1386 13356 1462 16027 1462 19051 450 3580 620 3580 600 4980 950 4810 750 ...

Page 33: ...20V Ø1 50 60Hz 220 240 220V 10 10 10 10 0 05 0 05 0 05 0 05 11 9 5 6 9 9 302 143 252 11 9 5 6 9 9 302 143 252 11 9 5 6 9 9 302 143 252 11 9 5 6 9 9 302 143 252 16 6 8 0 11 8 422 202 300 16 6 8 0 11 8 422 202 300 16 6 8 0 11 8 422 202 300 16 6 8 0 11 8 422 202 300 5 0 4 9 4 8 5 0 4 0 75 Includes earth 4 0 75 Includes earth 4 0 75 Includes earth 4 0 75 Includes earth 4 0 75 Includes earth 4 0 75 Inc...

Page 34: ...e room will be good A place where drainage can be easily obtained A place where noise prevention is taken into considera tion Do not install the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles 2 Art Cool Type Indoor Unit Do not have any heat or steam near the unit Select a place where there are no obstacles in front of the unit Make sure ...

Page 35: ...le dimension H is necessary to get a slope to drain as fig ure The place shall easily connect with the outdoor unit The place where the unit is not affected by an electrical noise The place where air circulation in the room will be good There should not be any heat source or steam near the unit 5 CST Type Indoor Unit There should not be any heat source or steam near the unit There should not be an...

Page 36: ...les to prevent the air circulation A place where air circulation in the room will be good A place where drainage can be easily obtained A place where noise prevention is taken into consid eration Do not install the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling or other obstacles More than 20cm More than eye level More than 20cm R R More than 20cm More than 20cm...

Page 37: ...olecore drill Line according to the arrows marked on lower the left and the rght side of the Installation Plate The meeting point of the extended line is the center of the hole Drill the piping hole at either the right or the left and the hole should be slightly slant to the out door side Installation Plate marking off line Thread Weight Type A screw 40 20 40 0 SR 9 12k 0 12 D 0 12 B C A 210 105 S...

Page 38: ...ted After pull down this panel a bit and separate con necting wire with product 2 Cover pipe and cover side remove Remove two screws for fixing cover pipe Pull up the cover side of desired connecting direc tion then cover side is separated In case connecting direction is left or right path through the hole of cover side NOTE When connecting pipe path through rear wall don t remove the hole 3 Drain...

Page 39: ...led points 4 Hang the hole of product at the upper screws In this time Remove the map Falling attention 5 Check the fixed product with light power 6 Look at suited horizon by horizontal meter on the horizontal setting line and Fix lightly the map by adhesive tape 7 Drill the piercing part for connecting pipe as diameter 50mm In case of piercing rear surface Refer to No 5 on this page when making a...

Page 40: ... also important to use caution concerning the location of the installation plate routing of the wiring to power outlets is through the walls typi cally Drilling the hole through the wall for piping connections must be done safely 3 Drill a hole in the wall Drill the piping hole with a ø70mm hole core drill Drill the piping hole at either the right or the left with the hole slightly slanted to the ...

Page 41: ... following installation locations 1 In such places as restaurants and kitchens considerable amount of oil steam and flour adhere to the fan the fin of the heat exchanger resulting in heat exchange reduction spraying dispersing of water drops etc In these cases take the following actions Make sure that the ventilation fan for smoke collecting hood on a cooking table has sufficient capacity so that ...

Page 42: ...ide as a figure for easy water drainage A place where the unit will be leveled and that can support the weight of the unit A place where the unit can withstand its vibration A place where service can be easily performed CASE 1 POSITION OF SUSPENSION BOLT CASE 2 POSITION OF CONSOLE BOLT Unit mm Drainage hole M10 Nut M10 SP washer M10 washer X 4 X 4 Local supply X 4 M10 Nut M10 SP washer M10 washer ...

Page 43: ...ole side as a figure for easy water drainage A place where the unit will be leveled and that can support the weight of the unit A place where the unit can withstand its vibration A place where service can be easily performed CASE 1 POSITION OF SUSPENSION BOLT POSITION OF CONSOLE BOLT Unit mm C B A D G H F E Drainage hole 1 3 mm H I M10 Nut M10 SP washer M10 washer X 4 X 4 Local supply X 4 M10 Nut ...

Page 44: ...as a figure for easy water drainage A place where the unit will be leveled and that can support the weight of the unit A place where the unit can withstand its vibration A place where service can be easily performed CASE 1 POSITION OF SUSPENSION BOLT Unit mm 9 12k BTU h 850 900 383 570 93 5 190 20 6 795 163 18 24k BTU h 1130 1180 383 570 93 5 190 20 6 1065 163 Dimension Capacity A B C D E F G H I ...

Page 45: ...ome refrgerant 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 illustration Flare the pipe ends 4 Tape the flaring portion to protect it from the dust or damages 90 Slanted Pipe cutter Rough Reamer Pipe Point down A Bar Copper pipe Clam...

Page 46: ...ng from sweating condensation will not damage furniture or floors Foamed polyethylene or equivalent is recommended 4 Indoor unit installation Hook the indoor unit onto the upper portion of the installation plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate Ensure that the hooks are properly seated on the installation plate by moving it left ...

Page 47: ...he drain hose to the required piping hole position 2 Insert the piping drain hose and the connecting cable into the piping hole 3 Insert the connecting cable into the indoor unit Don t connect the cable to the indoor unit Make a small loop with the cable for easy connec tion later 4 Tape the drain hose and the connecting cable Connecting cable 5 Indoor unit installation Hang the indoor unit from t...

Page 48: ...ng sec tion 8 Reroute the pipings and the drain hose across the back of the chassis 9 Set the pipings and the drain hose to the back of the chassis with the tubing holder Hook the edge of tubing holder to tap on chassis and push the bottom of tubing holder to be engaged at the bottom of chassis 10 Indoor unit installation Remove the spacer Ensure that the hooks are properly seated on the installat...

Page 49: ...of the pipes and sufficiently tighten the flare nut by hand Tighten the flare nut with a wrench When extending the drain hose at the indoor unit install the drain pipe 4 Wrap the insulation material around the connecting portion Overlap the connection pipe insulation material and the indoor unit pipe insulation material Bind them together with vinyl tape so that there is no gap Wrap the area which...

Page 50: ...Use Only Installation Panel Assembly 1 First Check the side cover assembly exactly Fix power cord in the bottom groove of cover side left 2 Assemble connecting lead wire with controller and first fix the upper part of panel front then match the lower part of panel front 3 Drive two screws Panel Front Connector ...

Page 51: ...e the room insulate the hose with an insulation material so that dripping from sweating condensation will not damage furniture or floors Foamed polyethylene or equivalent is recommended 4 Indoor unit installation Hook the indoor unit onto the upper portion of the installation plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the instal lation plate Ensure that th...

Page 52: ...ape the drain hose and the connecting cable Connecting cable 5 Indoor unit installation Hang the indoor unit from the hooks at the top of the installation plate Insert the spacer etc between the indoor unit and the installation plate and separate the bottom of the indoor unit from the wall 6 Connecting the pipings to the indoor unit and the drain hose to drain pipe Align the center of the pipes an...

Page 53: ...n hose across the back of the chassis 9 Set the pipings and the drain hose to the back of the chassis with the tubing holder Hook the edge of tubing holder to tap on chassis and push the bottom of tubing holder to be engaged at the bottom of chassis 10 Indoor unit installation Remove the spacer Ensure that the hooks are properly seated on the installation plate by moving it left and right Press th...

Page 54: ...stallation Bad case Following bending type from right to left could cause problem of pipe damage Installation Information For left piping Good case For left piping Follow the instruction below Press on the upper side of clamp Bend the tubing to the left side of chassis Bend the tubing to the left side of chassis CAUTION ...

Page 55: ...d washer onto the suspen sion bolts for locking the suspension bolts on the ceil ing Mount the suspension bolts to the set anchor firmly Secure the installation plates onto the suspension bolts adjust level roughly using nuts washers and spring washers 1 Set anchor Old building New building 2 Plate washer 3 Spring washer 4 Nut 5 Suspension bolts Local supply Set anchor Plate washer M10 Spring wash...

Page 56: ...nlet hanger from the Hanger screw on the both left and right side Detach the Inlet Grille from the Indoor Unit 1 Installation on the ceiling Measure and mark the position for the Suspension bolts and the piping hole Drill the hole for anchor nut on the ceiling Before secure the Installation Plates select the bent direction of the Installion Plate to the inside or the outside according to the insta...

Page 57: ...s and spring washers Engage 2 hooks on the both left and right side of the unit to the lower slot of Installation Plates Adjust a level with a level gauge on the direction of left right back forth by adjusting suspension bolts Move the hooks on the unit to the upper slot of Installation Plates Then the unit will be declined to the bottomside so as to drain well Washer Nut Suspension bolts Ceiling ...

Page 58: ...ant to use caution concerning the location of the installation plate routing of the wiring to power outlets is through the walls typi cally Drilling the hole through the wall for piping connections must be done safely Mounting the anchor Nut Bolt Ceiling Mounting Prepare 4 suspension bolts Each bolts length should be same Measure and mark the position for the Suspension bolts and the piping hole I...

Page 59: ...n of left right back forth by adjusting suspension bolts Move the hooks on the unit to the upper slot of Installation Plates Then the unit will be declined to the bottomside so as to drain well Installation Drill a Hole in the Wall Drill the piping hole with a ø70mm hole core drill Drill the piping hole at either the right or the left with the hole slightly slanted to the outdoor side 5 7mm 3 16 5...

Page 60: ...e type air conditioner 2 Minimum thickness of the insulation for the connecting pipe shall be 7mm 3 If the Installation Plates are fixed to horizontal line the indoor unit after installing will be declined to the bottomside CAUTION The unit must be horizontal or declined to the drain hose connected when finished installation The unit must be declined to the bottomside of the unit when finished ins...

Page 61: ...onnecting pipe and cable to Indoor Unit R Inlet hanger Hook Cabinet Bottom Secure the unit to the Installation Plates with four M8 bolts and washers Hook up the Inlet Grille Hook to the cabinet Hang the Inlet Hanger to the screw Fit the projection hooks of the side plates to the Side Panel and the Front Panel by lifting it Fasten the screws Installation ...

Page 62: ...e Decide the position for fixing bolts slightly tilted to the drain direction after considering the direction of drain hose Drill the hole for anchor nut on the wall Drill the piping hole on the wall slightly tilted to the out door side using a ø70 hole core drill Secure the Install Plate onto the wall with four anchor bolts washers and spring washers Before secure the Install Plates select the be...

Page 63: ... unit to the inner slot wall side of the Installation Plate Secure the unit to the Installation Plate with four M8 bolts and washers Hook up the Inlet Grille Hook to the cabinet Hang the Inlet Hanger to the screw Fit the projection hooks of the side plates to the Side Panel and the Front Panel by lifting it Fasten the screws R 2 1 Before working refer to Connecting pipe and cable to Indoor Unit In...

Page 64: ...ws Install the indoor unit onto the Mount Brackets Engage the slot at the back of the unit with Mount Bracket Drill the piping hole with 70mm dia hole core drill Piping hole should be slightly slant to the outdoor side After Installing reassemble detached parts Hang the Inlet Grille and hook the Inlet Hanger to the Hanger Screw Assemble the Side Plates R L with 2 screws on both left and right side...

Page 65: ... where cooking oil or iron powder is generated 3 Avoid places where inflammable gas is generated 4 Avoid place where noxious gas is generated 5 Avoid places near high frequency generators Ceiling board Level gauge Ceiling 1 000 Ceiling opening 931 6 893 4 Hanging bolt 328 4 Hanging bolt 860 390 30 8 430 Ceiling opening Use the ventilation fan for smoke collecting hood with sufficient capacity Cook...

Page 66: ...m the bracket to 40mm Open the ceiling board along the outer edge of the paper model Flat washer for M10 accessory Hanging bolt W3 8 or M10 Nut W3 8 or M10 Nut W3 8 or M10 Spring washer M10 Air Conditioner body The following parts are local purchasing Hanging Bolt W 3 8 or M10 Nut W 3 8 or M10 Spring Washer M10 Plate Washer M10 Drill the piping hole on the wall slightly tilted to the outdoor side ...

Page 67: ...ng opening 521 Hanging bolt 39 5 39 5 Unit mm 840 Unit size 840 Unit size 672 Hanging bolt 101 5 101 5 875 Ceiling opening 875 Ceiling opening 785 Hanging bolt 45 45 TE 1 TF TH TD The dimensions of cardboard for installing are the same as those of the ceiling opening dimensions Select and mark the position for fixing bolts and piping hole Decide the position for fixing bolts slightly tilted to the...

Page 68: ...sing a Ø 70 hole core drill Tighten the nut and bolt to prevent the unit from falling off CAUTION Installation NOTE Avoid the following installation location 1 Such places as restaurants and kitchen where considerable amount of oil steam and flour is generated These may cause heat exchange efficiency reduction or water drops drain pump mal function In these cases take the following actions Make su...

Page 69: ...lthough the room temperature sensor is in the indoor unit the remote controller should be installed in such places away from direct sunlight and high humidity Installation of the remote controller Select places that are not splashed with water Select control position after receiving customer approval The room temperature sensor is built in the indoor unit This remote controller equipped with liqui...

Page 70: ...ure that the and directions are correct Be sure that both batteries are new Re attach the cover Slide it back into position REMOTE CONTROL PREPARATION OPTIONAL HOW TO MOUNT ONTO A WALL HOW TO INSERT BATTERIES Do not use rechargeable batteries such batteries differ from standard dry cells in shape dimensions and per formance Romove the batteries from the remote controller if the air conditioner is ...

Page 71: ...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 g...

Page 72: ...ompressor or other motor Load2 sum of current for all other motors Load3 any other load rated 1 0A or more 4 Select wire spec based on the MCA 5 Select proper circuit breaker as given below MCA Circuit breaker MOP 6 Recommended circuit breaker is ELCB Earth Leakage circuit breaker 7 MSC RLA are measured as the compressor only test condition 8 MSC values 23 1 14 0 MSC of inv comp const comp 9 RLA i...

Page 73: ...H05RN F approved by HAR or SAA The connecting cable connected to the indoor and outdoor unit should be complied with the fol lowing specifications Rubber insulation type H07RN F approved by HAR or SAA NORMAL CROSS SECTIONAL AREA 0 75mm2 NORMAL CROSS SECTIONAL AREA 3 5mm2 Air Conditioner Main power source Circuit Breaker Use a 30A circuit breaker or time delay fuse CAUTION If a power plug is not to...

Page 74: ...ition horizontally by finger pressure Remove the securing screws To remove the Grille pull lower the left and right side of the grille toward you slightly tilted and lift it straight upward 2 Check the drainage Pour a glass of water on the evaporator Ensure if water flows drain hose of indoor unit without any leakage 2 Art Cool Type Indoor Unit Pour a glass of water on the evaporator Ensure the wa...

Page 75: ...left and right sides of the grille toward you and lift it off 2 To check the drainage Pour a glass of water on the evaporator Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit 3 Drain piping The drain hose should point downward for easy drain flow Do not make drain piping Air filter Inlet Grille Do not raise Water leakage Tip of drain ...

Page 76: ...ower left and right sides of the grille toward you and lift it off To check the drainage 1 Pour a glass of water on the evaporator 2 Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit Drain piping 1 The drain hose should point downward for easy drain flow 2 Do not make drain piping like the following Pull the right and the left side Dow...

Page 77: ...ump model only Front of view Always lay the drain with downward inclination 1 50 to 1 100 Prevent any upward flow or reverse flow in any part 5mm or thicker formed thermal insulator shall always be provided for the drain pipe 1 Install declination of the indoor unit is very important for the drain of the duct type air conditioner 2 Minimum thickness of the insulation for the connecting pipe shall ...

Page 78: ...al 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 exterior and leave it provisionally until the test comes to an end Feed water to the flexible drain hose and check the piping for leakage Be sure to check the drain pump for normal operating and noise...

Page 79: ...7 5m 25m 25m 25m 50m A B C A4UW24GFA0 A4UW30GFA0 A4UW306FA0 7 5m 25m 25m 25m 25m 70m A B C D Max piping length each indoor unit Model Outdoor Unit Max total piping length 1 1 The maximun allowable level and piping length 15m 7 5m A B C D Outdoor Unit Indoor Unit 1 TPS Inverter Multi Multi Piping Type Indoor Unit Capacity Pipe Size Rated Max Additional Btu h Gas Liquid Length Length Refrigerant 7k ...

Page 80: ...ion 10m A B Outdoor Unit 30m 10m Installation of the outdoor unit in a lower position Total main piping length 50m Total branch piping length 50m L1 L2 L3 L4 L5 L6 Each branch piping length 15m L1 L2 L3 L4 L5 L6 Total system piping length 100m 40 60 A B Place the BD unit and indoor units within a level distance of 10m from each other BD Unit Main piping Branch piping Place the BD unit and indoor u...

Page 81: ...r Unit 15m 7 5m Installation of the outdoor unit in a lower position Total main piping length 15m Total branch piping length 50m L1 L2 L3 L4 Each branch piping length 15m L1 L2 L3 L4 Total system piping length 65m 15 50 A Place the BD unit and indoor units within a level distance of 7 5m from each other Main piping Branch piping Place the BD unit and indoor units within a level distance of 7 5m fr...

Page 82: ... at which indoor unit of the least capacity is installed 2 2 Refrigerant charge The calculation of the additional charge should be taken in account for the length of pipe A6UW406FA0 charge 4100g A7UW486FA0 charge 7100g A8UW566FA0 charge 7100g Additional charge g A B Total Main pipe length rated length x 50g m 7 9 12 k Branch pipe length rated length x 20g m 18 24 k Branch pipe length rated length ...

Page 83: ...fied then follow the following steps Selection of air conditioning system select one of the next 1 Effective opening part Installation 2 Reconfirmation of outdoor unit capacity and piping length 3 Reduction of the amount of refrigerant 4 2 or more security device installation of alarm for gas leakage Change indoor unit type installation position should be over 2m from the floor Wall mounted type C...

Page 84: ...below There is no limitation on the joint mounting configuration If the diameter of the refrigerant piping selected by the procedures described is different from the size of the joint the connecting section should be cut with a pipe cutter Branch pipe should be insulated with the insulator in each kit 2 5 Necessity of a trap Since there is fear of the oil held inside the riser piping flowing back ...

Page 85: ...celled 18 minutes later auto matically The forced operation is started by pressing button for 2 seconds Cassette Type The test run is started by pressing button for 5 sec onds Cassette Type The test run is started by pressing timer cancel button five times continuously Room type To cancel the test run press any button 3 Settlement of outdoor unit Anchor the outdoor unit with a bolt and nut ø10mm t...

Page 86: ...e 2 In case the indoor unit is installed under the ceil ing please change the slide switch which is on the Main PCB Assembly to the CEILING state The initial state of the slide switch is set for the bottom installation 1 Connection of power supply 1 Connect the power supply cord to the inde pendent power supply Circuit breaker is required 2 Prepare the remote control Insert two batteries provided ...

Page 87: ...on for 3 sec onds at the same time To cancel the test run press any button After completing work be sure to measure and record trial run properties and store measured data etc Measuring data are room temperature outside temperature suction temperature blow out temperature air velocity air volume voltage current presence of abnormal vibration and noise operating pressure piping temperature As to th...

Page 88: ... that is hot or humid for long periods of time A well ventilated area Do not install near bedrooms The sound of refrigerant flowing through the piping may sometimes be audible For restrictions on installation refer to INSTALLATION For installation of the indoor units Follow the instructions in the installation manual for each unit System Layout Do not connect more than 8 indoor units together choo...

Page 89: ...elow Side B is facing up However it may be freely installed in any direction forward or backward and to the sides Be sure to secure a 600mm square opening for service and inspection as shown in the diagram below for both ceiling suspended installation and wall mounted installation BD unit does not require drain treatment as it uses internal insulation Service direction is the side B and C The pipi...

Page 90: ...locations in total 2 Using an insert hole in anchor hang the hanging bolt 3 Install a hexagon nut and a flat washer locally procured to the hanging bolt as shown in the figure in the left and ift the main unit to hang on the hanger metal 4 After checking with a level that the unit is level tighten the hexagon nut The tilt of the unit should be within 5 in front back and left right Procedure 1 Fix ...

Page 91: ...the connecting portion 1 Overlap the connection pipe insulation material and the indoor unit pipe insulation material Bind them together with vinyl tape so that there is no gap 2 Wrap the area which accommodates the rear piping housing section with vinyl tape Close up a socket for unoccupied room with a brass cap 1 Align the center of the piping and sufficiently tighten the brass cap by hand 2 Tig...

Page 92: ...on the wiring nameplate to connect the connection wires of indoor outdoor units to terminal board numbers 1 2 and 3 Always fix each ground wire separately with a ground screw See the figure below After completing the wiring fix the outer coating of wires securely with wire clamps The wire clamp on indoor unit side is furnished Follow the procedure below to install Refer to the circuit diagram on t...

Page 93: ...pressor is off fan operates at low speed regardless of the setting Soft Dry Operation Mode When the dehumidification operation input by the remote control is received the intake air temperature is detected and the setting temp is automatically set according to the intake air temperature 26 C Intake Air Temp 25 C 24 C Intake Intake Air Temp 26 C Intake Air Temp 1 C 18 C Intake Intake Air Temp 24 C ...

Page 94: ... fan and the 4 way valve are off and only the indoor fan is operated for 15 seconds Then an operation mode is selected according to the intake air temp at that moment as follows 24 C Inatake Air Temp Fuzzy Operation for Cooling 21 C Inatake Air Temp 24 C Fuzzy Operation for Dehumidification Inatake Air Temp 21 C Fuzzy Operation for Heating If any of the operation modes among cooling dehumidificati...

Page 95: ...or is turned on Compressor ON Temp Setting Temp Compressor OFF Temp Setting Temp 3 C At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 20 C Intake Air Temp Intake Air Temp 0 5 C Intake Air Temp 20 C 20 C When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuz...

Page 96: ...e Chaos Swing or they are fixed to the desired direction While in Chaos Swing mode the angles of cooling and heating cycle operations are different Chaos Natural Wind Mode When the Chaos Natural Wind mode is selected and then operated the high medium or low speed of the air flow mode is operated for 2 15 sec randomly by the Chaos Simulation Jet Cool Mode Operation While in heating mode or Fuzzy op...

Page 97: ...wer is on the forced operation is carried out When the slide switch position is switched from the forced operation position to the Auto Restarting position or the remote control position the forced operation is canceled and the appliance stops operating In the forced operation mode the indoor fan is operated at low speed for around 15 sec and then the opera tion condition is set according to the i...

Page 98: ...ular operation The fan speed is automatically switched from high to low speed The louver can be set at the desired position or swing up and down automatically Model base Split Type Indoor Unit Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature control Starting Current Control Time Delay Safety Control Indoor Fan Speed Control Operation indication Lamps LED Soft Dry...

Page 99: ...ched to intermittent or irregular operation The fan speed is automatically switched from high to low speed The louver can be set at the desired position or swing up and down automatically Art Cool Type Indoor Unit Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature control Starting Current Control Time Delay Safety Control Indoor Fan Speed Control Operation indicati...

Page 100: ...rflow Direction Control Cooling model only Heating model only TEMPERATURE LOW HIGH Cooling Operation Mode Heating Operation Mode Auto Operation Mode Air Circulation Horizontal Airflow Direction Control Button Optional Room Temperature Checking Setting the Time or Timer Fan Speed Selection Low Med High ON OFF CANCEL SET 2nd F High 39 C Low 11 C OFF ON OFF ON Cancel Sleep Mode Timer ON or Timer OFF ...

Page 101: ...splay Temperature Setting Setting the Timer Weekly Program Cooling model only Heating model only Low Med High Cooling Operation Mode Heating Operation Mode Auto Operation Mode Soft Dry Operation Mode Fan Operation Mode Phase Control Setting HI MED LO Program Holiday SET CLR Min Hour Week Timer Cancel Timer Cancel Timer High 39 C LOW 11 C Fan Operates without cooling heating Cooling Heating Down to...

Page 102: ...mperature Setting Setting the Timer Weekly Program Cooling model only Heating model only Low Med High Cooling Operation Mode Heating Operation Mode Auto Operation Mode Soft Dry Operation Mode Fan Operation Mode HI JET AUTO MED LO Super Low SLO Program Holiday SET CLR Min Hour Week Timer Cancel Timer Cancel High 39 C LOW 11 C Fan Operates without cooling heating Cooling Heating Down to 18 C Up to 3...

Page 103: ...w Direction Control Cooling model only Heating model only TEMPERATURE LOW HIGH Cooling Operation Mode Heating Operation Mode Auto Operation Mode Air Circulation Horizontal Airflow Direction Control Button Optional Room Temperature Checking Setting the Time or Timer PLASMA Optional Fan Speed Selection Low Med High ON OFF CANCEL SET 2nd F CHAOS High 39 C Low 11 C OFF ON OFF ON Cancel Sleep Mode Time...

Page 104: ...operate compressor at low frequency upto 5min to preheat oil Defrost Function After 35 min heating operation check the defrost condition and if outdoor pipe temp is below 6 C and released from deice operation in case outdoor pipe temp is over 15 C or 7 min cooing mode To deice outdoor heat exchanger in low temp condtion convert operating mode from heating to cooling in this case indoor and outdoor...

Page 105: ...Speed cooling heating operates super high fan speed CHAOS SWING BUTTON Used to stop or start louver movement and set the desired up down airflow direction ON OFF TIMER BUTTONS Used to set the time of starting and stopping opera tion TIME SETTING BUTTONS Used to adjust the time TIMER SET CANCEL BUTTON Used to set the timer when the desired time is obtained and to cancel the Timer operation SLEEP MO...

Page 106: ...re Timer Cancel Button Used to cancel the timer Timer Set Button Used to set the timer when the desired time is obtained Week Button Used to set a day of the week Program Button Used to set the weekly timer Holiday Button Used to set a holiday of the week Time Set Button Used to set the time of the day and change the time in the weekly timer Function Set and Clear Button Used to set and clear the ...

Page 107: ...mper ature is obtained FAN Operation Button Used to circulate room air without cooling or heating Fan Speed Used to set the desired fan speed or select Jet cool mode Operation Mode Selection Button Used to select the operation mode Auto Operation Mode Cooling Operation Mode Soft Dry Operation Mode Heating Operation Mode except cooling model Auto Swing Button Used to swing up and down right and lef...

Page 108: ...controlled by lower temperature between the temperature of main body and of remote controller sensor 3 Move the slide switch to set position 4 Close the rear cover and check if it works normally TH R14H SW TH REMO MAIN 2TH OP7 R18H R17H OP6 LO STAND SW HIGH HI R03S C070 R04S R02S R01S OP3 OP2 OP1 R19H R11H R13H R12H OP5R16H OP4 R15H CO1H REMO Room Temp sensor 2TH MAIN Position 2 Position 1 Positio...

Page 109: ...umidify JET AUTO AUTO SWING OPERATION FAN SPEED Program set SUB FUNCTION SET TEMP Room Temp HI MED LO Heater Defrost Filter Preheat Out door Time Timer On Set no Time Off 01 03 05 07 09 11 13 15 17 19 21 23 Indoor Unit 1 Terminal Local Supply Block Terminal Local Supply Block Terminal Local Supply Block Main PCB 1 Main PCB 2 Main PCB 16 Wired Remote Controller Slide Switch OP7 Remote Controller PC...

Page 110: ... With Zone System 1 Position V H Maximum E S P setting Fan speed is varied according to the state of dampers by micom 2 Position F H Maximum E S P setting Fan speed doesn t vary according to the opening Closing of dampers 3 Position V L Minimum E S P setting Fan speed is varied according to the state of dampers by micom Maximum 8mmAq Minimum 0mmAq 3 Move the slide switch to set position 4 Close th...

Page 111: ...ogram set Room T MED LO AUTO JET Heater Defrost Filter Humidify Out door Set no Time emp 01 03 05 07 09 11 13 15 17 19 21 23 FAN SPEED HI 2 Timer 1 2 3 5 4 Timer Push the On Off button The unit will start Push the Timer and Wind button simultaneously for more then 3 seconds Push the Up of Down button for E S P adjustment And adjust the number which you want In this example the number is 225 Refer ...

Page 112: ...9k 9 CMM 245 240 230 8 5 CMM 254 253 250 11 5 CMM 210 200 100 12k 10 CMM 235 230 220 8 5 CMM 254 215 245 Chassis Static Pressure mmAq BH Setting Value 0 2 4 6 8 10 Ca Btu h Step Hi Med Lo 16 5 CMM 235 230 225 215 180 18k 14 5 CMM 245 238 235 230 215 13 CMM 254 252 248 245 240 18 CMM 220 205 190 170 1 24k 16 5 CMM 235 230 220 200 100 14 CMM 250 240 235 230 210 Chassis Static Pressure mmAq BG Settin...

Page 113: ... Setting Value 0 1 2 3 4 Ca Btu h Step Hi Med Lo 8 5 CMM 75 84 94 104 114 9k 7 5 CMM 69 77 88 99 110 6 5 CMM 62 71 83 95 106 9 5 CMM 82 90 99 109 118 12k 8 5 CMM 75 84 94 104 114 7 5 CMM 69 77 88 99 110 15 CMM 90 97 105 114 122 18k 13 5 CMM 82 90 99 109 119 11 5 CMM 75 84 93 103 114 17 CMM 110 117 125 129 24k 15 CMM 100 107 115 121 127 13 5 CMM 90 97 105 114 122 ...

Page 114: ...ating green Cooling Off no signal Error mode blinking with red color TOTAL Off button Stop all linked units sequentially Individual On Off button Control ON OFF of a unit TOTAL On button Operate all linked units sequentially Easy operation button Independent operation for 16 indoor units each Simultaneous turn ON OFF for all of indoor units connected Easy change operation mode to cooling or heatin...

Page 115: ...IN PCB PI485 PI485 Control Box All the connections are to be done as shown above A and B are the communication lines for the indoor and C and D are the communication lines for the Central Control Use two shield lines for C D connecting line Earth the shield line Special purchase Central control PI485 PNF P14A0M SET The Address Group No Indoor No Refer to The Following sheet 1 3 5 Indoor unit Addre...

Page 116: ...Module For connecting central control to the Control Box 2 Connect the PI485 Module to central control 3 In the case of connecting two more than central control set the Master Slave mode and then connect each communication lines C D Refer to above fig Special purcharse Central control P No 4995A20105F PI485 Module PNF P14A0M It can be added to 15 Central controls for the slave control Slave DIP SW...

Page 117: ...indoor unit notice The mothod of display and time is different according to indoor unit type 4 If the remote control is reset normal mode starts 2 Address Monitoring 1 Press 6 Chaos Swing 13 Reset key at the same time then Address Monitoring Mode starts 2 At the address monitoring mode pressing 1 On Off key The address that is set is displayed on a display window of indoor unit notice The mothod o...

Page 118: ...entral controller Manual initialize Total on total off 16 key Cooling Setting basically Total On Total Off 4 key Heating Total On Total Off 8 key Red power lamp On 6 Check up On Off with a related indoor key pressing Installation CAUTIONS Do not install in this area Keep in mind Don t install near elevator computer auto matic door High noise area Don t install near high moisture high oscilla tion ...

Page 119: ...to the following table Maximum length of connecting wire Between controller and outdoor unit 220m 25Ω Between controllers 220m 25Ω 2 After attaching the supplied wire to terminal link the connecting wire If necessary Cut the indicated part of front case to draw the lead wire 1 Remove upper lower case 2 Fixate screw in the holes of the case bottom 3 For Dip switch and Rotary switch setting refer to...

Page 120: ...roup Numbers By changing the knob we can set rotary switch to the group number we want to control The above fig Shows the control of group number 0 Similarly we can control all the 16 Groups DIP SWITCH SETTING INSTALLATION FOR 2 OR MORE SIMPLE CENTRAL CONTROL ACCEASSORY PARTS Central control and sub with wire ass y should be purchased as optional Dip Switch Master Mode Slave Mode ON OFF Rotary Swi...

Page 121: ...n installation costs Using the Deluxe Central control enables the management room to setup lock of each air conditioner and prevent indoor control of the individual air conditioner and restrain the necessary use In case of releasing the lock you may control the system by using the wire wireless remote control at the place where the individual air conditioner is installed Setup of a weekly schedule...

Page 122: ...ive management 3 Self diagnosis Function The air conditioner installed can self diagnosed its error status and then transmits the result to the central control Therefore a rapid countermeasure against failure of the air conditioner allows easy management and increases the usage life of air conditioner 4 Semi permanent Life Convenient Maintenance Since the Deluxe Central control is designed for the...

Page 123: ... for the Deluxe Central control since the self power fail ure compensation battery is built in power is automatically converted by maximum 2 hours Therefore there is almost no malfunction due to a temporary power failure because stable operation is available 9 Mobility A wireless radio system may be installed at the Deluxe Central control it will control the Airconditioners directly while going ar...

Page 124: ...lable Available Available User s lock Available Available Available 256sets1 Installation User S W Engine S W Required PC Central control Available Available Available 256sets Built in Main Body of Web Pad Deluxe Central control Non required Deluxe Central control Download to i GW Position of program 256sets Less than 128 sets recommended Max installation set numbers Available Configure file modif...

Page 125: ...nitor function etc System Monitor To check the ctual time status of all air conditioners PQCSW501A0 PQCSW502A0 PQCSW501A0 PQCSW502A0 PQCSW502A0 PQCSW501A0 PQCSW502A0 System Set up To manage the air conditioner through grouping and record setup of group and installation position etc Time Schedule Setup of a weekly schedule for all group and individual air conditioner enabled operation of the system...

Page 126: ...n with independent Battery Built in Max 2 hours 2 CNU Combination of maximum 8 outdoor units 485 to Ethernet Converter Built in 3 PI485 1 pcs per outdoor units Note GUI Graphic User Interface may be changed without any notice for improvement or options Scenario 1 In case of not using Internet access function Control System Interface Product CNU Delux Central Control CNU Central control Network int...

Page 127: ...witch is set to OFF To remove the Grille from the Chassis Set the up and down air discharge louver to open position horizontally by finger pressure Remove the securing screws To remove the Grille pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward 1 To remove the sensor housing connect earth conductor step motor conductor with sensor holder Motor...

Page 128: ... carefully 4 To remove the Evaporator Remove screws securing the evaporator and the holder eva Unhook the tab on the right inside of the chas sis at the same time slightly pull the evapora tor toward you until the tab is clear of the slot 5 To remove the Cross Flow Fan Loosen the screw securing the cross flow fan to the fan motor do not remove Lift up the right side of the cross flow fan and the f...

Page 129: ...he remove 2 securing screws Lift the both lower parts of panel front After pull down this panel a bit separate connecting wire with product 2 To remove the Control Box Before removing the control box be sure to disconnect the wires from PWB Pull the cover control out from the control box and disconnect other wires Remove securing screws Pull the control box out from the chassis carefully Step Moto...

Page 130: ...tor out from the chassis carefully 4 Before removing the Turbo Fan Remove the securing screws from the chassis Pull the pipe cover top cover and the air guide 5 To remove the Motor Remove the securing bolt from the motor shaft Pull the fan out from the motor shaft Remove 4 screws securing motor mount from the chassis and lift up the motor mount and the brack et Top Cover Pipe Cover Air Guide Turbo...

Page 131: ... supply before making any checks Be sure the power switch is set to OFF To remove the Grille from the Chassis Hold up Inlet Grille Horizentally To remove the Grille pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward To seperate connecter assembly and than to remove Inlet Grille assembly 1 Before removing the control box be sure to take out the w...

Page 132: ...ore making any checks Be sure the power switch is set to OFF To remove the Grille from the Chassis Hold up Inlet Grille Horizentally To remove the Grille pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward To seperate connecter assembly and than to remove Inlet Grille assembly 1 Before removing the control box be sure to take out the wire screwed...

Page 133: ... 2 To remove the Control Box Remove securing screws Pull the control box out from the chassis careful ly 3 To remove the Discharge Grille Unhook the discharge grille and pull the dis charge grille out from the chassis carefully 4 To remove the Evaporator Remove 3 screws securing the evaporator at the left 2EA in the Eva Holder at the right 1EA ...

Page 134: ...d you until the tab is clear of the slot 5 To remove the Motor Cover Remove 2 securing screw Pull the motor cover out from the chassis carefully 6 To remove the Cross Flow Fan Loosen the screw securing the cross flow fan to the fan motor do not remove Lift up the right side of the cross flow fan and the fan motor separate the fan motor from the cross flow fan Remove the left end of the cross flow ...

Page 135: ...er 2 pieces 2 Remove the girlle from chassis Remove the screws securing the side plate and push to the bottom side Unhook the hanger from the hanger screw at the left and the right side Pick out the inlet grille 3 Remove the lower air guide Remove a screw of both side fixing barrier air guide Remove the screws of both sides of the lower air guide Remove the lower air guide toward arrow mark by tur...

Page 136: ...any checks Be sure the power switch is set to OFF To remove the Grille from the Chassis Set the up and down air discharge louver to open position horizontally by finger pressure Remove the securing screws To remove the Grille pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward 1 Before removing the control box be sure to take out the wire screwed...

Page 137: ... Remove securing screws Pull the control box out from the chassis carefully 3 To remove the Discharge Grille Unhook the discharge grille and pull the discharge grille out from the chassis carefully 4 To remove the Evaporator Remove 3 screws securing the evaporator at the left 2EA in the Eva Holder at the right 1EA Caution label When repair do not damage the Caution label ...

Page 138: ... is clear of the slot 5 To remove the Motor Cover Remove 2 securing screw Pull the motor cover out from the chassis carefully 6 To remove the Cross Flow Fan Loosen the screw securing the cross flow fan to the fan motor do not remove Lift up the right side of the cross flow fan and the fan motor separate the fan motor from the cross flow fan Remove the left end of the cross flow fan from the self a...

Page 139: ...Loosen the screw securing the crossflow fan to the fan motor shaft do not remove Remove the crossflow fan by sliding it out from the shaft of fan motor 5 Remove the control box Assembly Disconnect the step motor connector fan motor connector display PCB connector thermistor connector and door switch connector from the main PCB If necessary disconnect power supply cord and connecting cable from the...

Page 140: ...emove the diffuser assembly Remove the screws of both side of diffuser assembly 4 pieces Push the upper side of cabinet strongly to pull out the inner hook of diffuser frame from the cab inet hole Take up the diffuser frame carefully not so as to harm the display PCB wires and the step motor wires 8 Remove display PCB assembly Remove the screws at the both side of display cover If necessary discon...

Page 141: ...10 Remove the drain pan assembly Remove the both side of screws 4 pieces Pull out the drain pan assembly Be careful not to harm to the EPS packing of drain pan and the tubings of evaporator 11 Remove the evaporator Remove the screws of both sides securing the EVA barrier R L on the side cabinet Remove the screws which fasten the barrier on the evaporator and take out the barrier assem bly Remove t...

Page 142: ...K OP1 XXXK 5V R02H 12 1K 1 R04H 1 6 2K R13H 12 1K R15H 12 1K R16H 12 1K R14H 12 1K R11H 12 1K R12H 12 1K C01F 0 01 50V C02F 0 01 50V R34 60 SYNC 5 R67 AN7 R66 AN6 R57 PWM1 R55 BUZ R54 WDTO R52 Sclk R53 Srdy R56 PWM0 R46 T10 R47 T30 R51 Sout R62 AN2 R60 AN0 R61 AN1 R63 AN3 R64 AN4 R65 AN5 14 21 22 20 19 R50 Sin 17 18 16 15 10 13 12 11 6 9 8 7 R05 51 D5 R10 R07 R06 R14 R15 R13 R12 A4 A5 A3 A2 R11 A1...

Page 146: ...F 400V AC_N 1N4007 1M 1 2W R01J D01D D03D C03D UF4005 TNY255P IC01D 5 TNY 255P 2 S 1 4 D02D 3 D BP EN 4 5 UF5402 S Trans 1 6 7 GND 3 GND 3 CN_ZONE 36 33 34 35 39 37 38 40 41 44 42 43 45 46 7 8 Multi_RX Multi_TX 5V 12V 5V 6 5 2 4 3 GND 6 1 4 5 CS0 7 8 CS1 6 5 SCK1 SI1 2 4 3 SO1 12V 5V PLC_SEL Multi_RX Multi_TX 6 1 GND 4 5 CN PIPE CN ROOM CN_M C ZD02D 57 52 48 49 47 50 51 53 54 55 56 60 58 59 61 62 ...

Page 148: ...02D IC02D TLP181 V4 BL I 7805 O C09D C07D 104 50V C04D ZBF503D 39 R03D 330 C06D 25V SD 1 8W 2012 TNY266P EN BP 4 1 IC01D 2 3 7 8 S 5 D 104 C02D 4 3 TLP181 V4 BL INT IC03D 15uF C01D 450V SG STO2D 200 SD01D D07D UG2D SMPS 3 1 L DC HIGH TVR10561 ZNR01J C02J 47nM 275V 435D METAL FILM VOLTAGE GND C01J METAL FILM 100nM 275V 436D 1 1 CN TAB1 N L 50 60Hz AC220 240V RY D PUMP G5N 1A G5NB 1A G5N 1A G5NB 1A ...

Page 149: ... B6 B7 5V GND A1 A0 9 7 8 10 A1 SM40 SM43 SM42 SM41 SM33 SM30 SM32 SM31 SM33 SM40 SM41 16 19 18 17 15 B3 B0 5V B2 B1 B4 20 SM20 SM13 SM12 SM10 SM11 SM11 SM12 SM20 SM21 SM13 B4 B3 B5 16 17 15 14 B7 B6 13 11 12 A4 A7 A5 A6 A3 2 1 5 3 4 6 GND A3 A4 A2 4 5 6 7 A0 A1 8 9 10 A1 A2 CS6 CS1 A3 CS3 CS2 HVB_S CS3 A0 CS4 CS5 CS6 A1 A4 A3 A5 A7 CS1 CS2 A6 5V 12V A6 A5 A7 A0 A4 A3 A2 A7 CS4 A6 13 SM23 5V SM22 ...

Page 150: ...GREEN Q01Y Q02Y C3198 ZD01Y R02Y 70K 3W R01Y 5V 4 7K R30M R12M R22M H Press INT 4 7K RY HEATER RY FAN2_L RY 4WAY RY SV 311V D01N D04N 1SR139 600 680 1 D06N 1N4148 103 C02N C01N 100UF 5V 1N4148 R02N 1 65K 1 D05N R01N CT01N C17D CN_TH4 RC03M RC02M RC01M CN_TH5 CN_TH3 TEST S W 4 10 11 3 2 12 8 1 15 14 13 9 17 16 KRA107M Q01Z BUS_ADDR_LEV BUS_COM R01H R05H 5 2 3 4 9 7 8 6 U P V W N B IPM 6 9 8 7 5 4 3...

Page 151: ... R09P R14P 7 5K KIA339A 2012 104 C04P 6 7 IC01P 1 12 5V R09Z R08Z R10Z R12Z R11Z C06P C08P R18P R20P 1K R20P 2012 102M 22 R02Z TX CC RX CC R05Z R01Z R06Z R06Z 100 2012 R04Z R03Z 4 7K 31 TX_Flash R02T PWM 27 5V 29 30 28 23 25 26 24 5V CN WRITER 2012 2012 KIA7036P 104 C03A 2 R01Z 3 C01A 3 3UF 50V 2012 C02A 102 4 7K 2012 R01A IC01A 5V A0 R02A 100 1K R03A SDA 5 4 M24C08 EEPROM RESET R01B 5V OSC01B 4MH...

Page 152: ...R09K IK R15K 1 5K R03K RX_D1 TX_D1 C04K 25V 102 RX_D0 102 25V C02K 1 5K R08K IK R14K 10K R13K 10K R07K IK R02K D04K ERA15 06 R22K R28K 82K 3W D03K ERA15 06 R21K R27K 82K 3W ERA15 06 D10K ERA15 06 D09K D02K ERA15 06 R20K R26K 82K 3W D01K R19K R25K 82K 3W D08K ERA15 06 ERA15 06 D07K IC02K TLP627 TX_D0 BUS_COM 5V 1 5K R01K DC310V 4 15 245 R02M 10K IC02M 245 GND A6 A7 9 10 8 A5 A4 A3 6 7 5 1 A2 A1 A0 ...

Page 153: ...PC201 u POWER MODULE 12 12uH IC04D 5V 104 SEL RXD0 4 7K R03Y C06Y 104 U04Y 6N137 TXD0 SEL RXD0 5 1K 4 7K R05Y R06Y 0 62K 6 3 1 2 8 7 4 5 LED1 0 33K R07Y R04Y 1 2 4 3 7 8 5 6 1K 8 7 5 6 1 2 3 4 ZNR01Y SVC220D 07B R09Y MAX253 U05Y TXD0 6 3 5 4 C07Y 7 2 0 62K R01Y C08Y 104 4 3 U03Y 6N137 5 6 D02Y SS12 6N137 U02Y 1 8 104 R02Y 5 1K SN65LBC176 U01Y 1K R08Y C05Y C03Y 22uF 35V C02Y 8 7 1 2 3 6 5 4 SS12 D0...

Page 154: ...4 S5 chassis 4 Duct Type Indoor Unit BG BT chassis 5 Art Cool Deluxe Type Indoor Unit A C MOTOR BLDC MOTOR Wiring Diagram Schematic Diagram 3854A20135X INDOOR WIRING DIAGRAM FUSE 250V 2A TRIAC CN MOTOR SH CAPA CN POWER TO OUTDOOR UNIT 1 L 3 4 2 N CN SW 2 CN SW 3 CN STEP2 CN STEP1 CN MAIN CN SW 1 ZNR MOTOR MAIN PCB ASM CONNECTOR PCB ASM CN U D CN HVB H V B A CL OR STEP MOTOR CN L R STEP MOTOR SUC S...

Page 155: ...SSY FLOAT S W CN CC CN ACDC CN ACDC CENTRAL CONTROL 3854A20419E OPTION CN FLOAT CN DPUMP CN MOTOR TO OUTDOOR UNIT FUSE GN YL GN YL RD BL BR 1 L 2 N 3 4 WIRING DIAGRAM CN TH2 OUT PIPE THERMISTOR CN TH1 ROOM THERMISTOR CN HVB CN DOOR HVB A CL UNIT S W2 S W1 CN UD1 STEP MOTOR CN DISP DISPLAY PCB ASSY FLOAT S W CN CC CN ACDC CN ACDC CENTRAL CONTROL IN PIPE THERMISTOR 3854A20419C REMOTE CONTROL OPTION ...

Page 156: ...A20405A BL RD 1 L 2 N 3 4 GN YL GN YL YL TEMP THERMISTOR CN ROOM CN MOTOR CN DPUMP CN POWER FUSE T3 15A CN PIPE1 CN FLOAT INDOOR MOTOR STEP MOTOR PIPE OUT THERMISTOR REMOTE CONTROL DRAIN PUMP PIPE IN THERMISTOR FLOAT S W CN AIRC CN DISP CN REMO CN STEP CN PIPE2 DISPLAY PCB ASSY OPTION RD RD BK DOOR S W H V B AIR CLEANER BK WH 12 CST Type Indoor Unit TC chassis 13 CST Type Indoor Unit TC1 chassis 1...

Page 158: ...BK BR BR YL YL CN FAN A CN FAN B FAN A FAN B CN 4WAY 4WV 4WAY VALVE CN HEATER CN P ICE CN PRESS CN OIL S CRANKCASE HEATER DEFROST HEATING SV SV LOW PRESS SWITCH OIL SEPERATOR RY C COMP GND 1 GND 2 BL BR RD CONSTANT COMPRESSOR C R S RD BL BL BR BK WH BR BR BR BR BL BL BL L N 1 L 2 N 3 L 4 N 5 A 3 L 4 N 5 C 5 D 5 B POWER SUPPLY TO INDOOR UNIT A ROOM B ROOM C ROOM D ROOM LEV LEV LEV LEV CN LEV1 CN LE...

Page 159: ...PIPE H SINK CN CENTRAL CN JIG PC CN WRITER BK BK REACTOR CN COIL2 CN COIL1 OR BL BR RD BL BK BR YL CN FAN A FAN LOW PRESS SWITCH OIL SEPERATOR CONSTANT COMPRESSOR C R S BK BL BR WH RD BR L N BR BR BL BL BL 1 L 2 N 3 L 4 N 5 A 3 L 4 N 5 C 5 D 5 B POWER SUPPLY TO INDOOR UNIT A ROOM B ROOM C ROOM D ROOM SV SV 3854A2 OLP WIRING DIAGRAM MAIN PCB INV COMP A RD BL YL RD U CN LEV1 CN CENTRAL CN JIG PC CN ...

Page 160: ...pyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Schematic Diagram 1 Indoor Unit MAIN P C B ASM 1 Split Type Components Locations DC part AC part ...

Page 162: ...K R01K R04D JP6 JP7 R02K R04K Q01K R05K IC02K IC01K R04J JP31 IC01J R03K D02K D01K NF02J ZNR02J TR01J CN POWER R01J JP28 JP29 C03J JP33 CN U D W H JP12 CN CON BL C06D Q01C JP9 JP2 C01L JP22 BC01D R05D R02J D02D R06D C02D D05D R05V JP26 R02D R03D R06V JP15 C05D ZD02D IC02D IC01D JP36 JP24 JP21 JP37 Q02V R04E R08D JP17 JP18 JP38 C01D SMPS SD01D JP35 ZNR01J JP30 NF01J C01J NTC C05J EARTH CN CC FUSE 2...

Page 163: ... 163 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Schematic Diagram TOP VIEW BOTTOM VIEW 3 Art Cool Deluxe Type BLDC MOTOR ...

Page 164: ... 164 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Schematic Diagram 4 Duct Type High static BH BG chassis Built in type BP chassis ...

Page 169: ...69 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Schematic Diagram 4 way TE TF TD chassis 4 way TE1 TH chassis TOP VIEW BOTOM VIEW 58 B ...

Page 170: ...ght 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Schematic Diagram 6 Convertible type VE chassis AC part DC part TOP VIEW BOTTOM VIEW TOP VIEW BOTTOM VIEW ...

Page 173: ...eserved Only for training and service purposes LGE Internal Use Only Schematic Diagram 2 Display ASSEMBLY 1 Split Type 2 Convertible Type VE chassis TOP VIEW BOTTOM VIEW VB chassis 3 Art Cool Type BOTTOM VIEW TOP VIEW PWB ASM 6871A20390 PCB 6870A90065K ...

Page 174: ... Only Schematic Diagram 4 Art Cool Deluxe Type TOP VIEW 5 Art Cool Mirror TOP VIEW BOTTOM VIEW BOTTOM VIEW SEJIN ELECTRON INC SVM GP1119AI P N 3210018043 1 REV1 C13 C7 C8 C9 D1 Q1 Q2 R9 R13 R2 R6 R7 R8 R10 TP1 TP2 TP3 TP4 R17 R18 R19 C14 C15 C18 R4 R3 TP5 TP6 M42 M43 C19 C20 C21 R5 M45 M44 TP1 TP2 TP3 TP4 TP7 TP8 ...

Page 177: ... 177 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Schematic Diagram 3 Central control PCB 2 Bottom View 1 Top View ...

Page 178: ... 178 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 SUB P W B ASSEMBLY 1 Art Cool Type TOP VIEW BOTTOM VIEW Schematic Diagram ...

Page 179: ... model Gas Field Piping Liquid Refrigerant Flow Room B Room A Room B Room C Room A Cooling Heating Low Pressure S W Th1 LEV A LEV B Th3 Accumulator Compressor Heat Exchanger Header OUTDOOR UNIT Reversing Valve Th3 Room C LEV C Th2 Drier 1 A2UW146FA0 1 2 A2UW166FA0 1 A2UW186FA0 A3UW186FA0 1 Troubleshooting Guide Troubleshooting Guide Refrigeration Cycle Diagram ...

Page 180: ...V B LEV C Header Room C LEV D Room D Room A Field Piping Liquid Room B Room C Room D Room A Room B Field Piping 4 room model 4 room model Gas Accumulator Constant Compressor Low Pressure S W Inverter Compressor Solenoid Valve 2 Heat Exchanger Check Valve 2 Check Valve 1 Reversing Valve Oil Seperator OUTDOOR UNIT Refrigerant Flow Cooling Heating Th2 Drier Th5 Troubleshooting Guide ...

Page 181: ...V C LEV D Header Room C Room A Field Piping Gas Room B Room D Room C Room A Room B Room D Field Piping Liquid Accumulator Low Pressure S W Constant Compressor Inverter Compressor Solenoid Valve 1 Solenoid Valve 2 Heat Exchanger Reversing Valve Check Valve 2 Check Valve 1 OUTDOOR UNIT Oil Seperator Refrigerant Flow Cooling Heating Drier Th5 Troubleshooting Guide ...

Page 182: ...A1 Th1 Th2 Th3 Th4 Check Valve 1 Check Valve 2 Oil Seperator Low Pressure S W Receiver Solenoid Valve 1 Constant Low Pressure S W Compressor Inverter Oil Seperator Check Valve 1 Check Valve 2 Compressor Accumulator Heat Exchanger Reversing Valve OUTDOOR UNIT Field Piping Gas Ø 15 88 Field Piping Liquid Ø 6 35 Refrigerant Flow Cooling Heating Drier Th5 ...

Page 183: ...Check Valve 1 Check Valve 2 Oil Seperator Low Pressure S W Receiver Solenoid Valve 1 Constant Low Pressure S W Compressor Inverter Oil Seperator Check Valve 1 Check Valve 2 Compressor Accumulator Heat Exchanger Reversing Valve OUTDOOR UNIT Field Piping Gas Ø 19 05 Field Piping Liquid Ø 9 52 Refrigerant Flow Cooling Heating Drier Th5 Troubleshooting Guide ...

Page 184: ...3 Th4 L E V Th5 Solenoid Valve 1 Constant Compressor 2 Constant Compressor 1 Inverter Compressor Oil Seperator Check Valve 3 Check Valve 2 Check Valve 1 Accumulator Heat Exchanger Reversing Valve Drier Receiver OUTDOOR UNIT Field Piping Gas Ø 19 05 Field Piping Liquid Ø 9 52 Refrigerant Flow Cooling Heating Low Pressure S W Th6 6 A7UW486FA0 A8UW566FA0 ...

Page 185: ...Only 7 BD Unit Main Gas Piping Ø 15 88 Refrigerant Flow Indoor Unit D Liquid Ø6 35 C Liquid Ø6 35 B Liquid Ø6 35 A Liquid Ø6 35 D Liquid Ø9 52 C Liquid Ø9 52 or Ø12 7 B Liquid Ø9 52 or Ø12 7 A Liquid Ø9 52 or Ø12 7 Cooling Heating Main Liquid Piping Ø 9 52 Outdoor Unit LEV D LEV C LEV B LEV A Troubleshooting Guide ...

Page 186: ...ensor error 6times OFF 07 Differnt mode operation 7times OFF Error code Description INV TPS LED 1 Red LED 2 Green Indoor Status Outdoor Error 21 DC Peak IPM Fault 2times 1time OFF 22 CT 2 Max CT 2times 2times OFF 23 DC Link Low Volt 2times 3times OFF 24 L_P Heater Sink 2times 4times OFF 25 Low voltage Over voltage 2times 5times OFF 26 DC Comp Position Error 2times 6times OFF 27 PSC Fault Error 2ti...

Page 187: ...heck temperature and pressure of refrigeration cycle Notice 1 The suction pressure is usually 4 5 6 0 kg cm2 G at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tubing and wrap it with putty Temp difference approx 0 C Current less than 80 of rated current Temp difference approx 8 C Current less than 80 of rated current Temp difference less than ...

Page 188: ...g condi tion of Micom is O K Check CN DISP1 Check the voltage of power AC220V AC240V 50Hz The voltage of main power The voltage applied to the unit The connecting method of Indoor Outdoor connecting cable each color The P W B Ass y Fuse Noise Filter Power Transformer IC01D IC02D etc Trouble 1 NO YES The operation check of the P C B Ass y Procedure 1 The input voltage of power trans former 2 The ou...

Page 189: ...d by the remote controller When operated in the Sleeping Mode the wind speed is set to the low speed as force Caused by the remote controller Caused by other parts except the remote controller When the mark is displayed in LCD screen replace battery Check the contact of CN DISP 1 connector When the detect switch double key inside the remote controller door is fault it is impossible to operate temp...

Page 190: ...n bad connection or are not engaged Compressor Outdoor fan is stopped Check the related circuit of R02H 12 1K R01H 1K R04H 6 2K R03H 1K C01H 102 C02H 102 Micom pin No Check the Indoor temperature sensor is disconnected or not about 10K at 25 C Check the Relay RY PWR RY START for driving Compressor Check the voltage between brown and blue cable of terminal to connect the Outdoor About AC220V 240V C...

Page 191: ...ff main power Check the connection of CN FAN Check the Fan Motor Check the Fuse AC250V T2A Turn on the main power Check the related circuit of indoor Fan Motor The pin No 38 of micom and the part for driving SSR Q01M Check the related pattern Check the SSR SSR Open Indoor Fan Motor never operate SSR short Indoor Fan Motor always operates in case of ON or OFF The voltage of Pin No 1 orange and 3 bl...

Page 192: ...nnector Check the soldering condition on PCB of CN U D or CN0L R Connector Check the operating circuit of the vertical louver Confirm that there is DC 12V between pin of CN U D CN0L R and GND Confirm that there is a soldering short at following terminals Between 1 2 3 and 4 of MICOM Between 17 18 19 and 20 of MICOM Between 4 5 6 and 7 of IC01M Between 5 6 7 and 8 of IC01M When the louver does not ...

Page 193: ...l board If more than two troubles occur simultaneously lower number of error code is first displayed After error occurs if error is released error LED is also released simultaneously Indoor Error 1 digit 10 digit Case of error Contents Error code Open Short Outlet pipe sensor 06 Different operation mode Different operation mode 07 Communication Poorly Float switch Open Communication Poorly Open Sh...

Page 194: ...function IPM Fault Current is 14A DC Link volt Is 140V Low High press switch OPEN Abnormal AC volt Input Off Off Off IPM Fault Compressor Over current CT 2 Max Current DC Link Low Volt Low High press AC Low AC High Volt DC Compressor Position PSC Fault DC Link High Volt Discharge Pipe Temp High INV Discharge Pipe Temp High Cons 21 22 23 24 25 26 27 28 32 33 Off Off Off Off Off Off Off Off Off Off ...

Page 195: ...at sink temp high Open Short CT Circuit D pipe sensor INV open short Air sensor open short Cond Pipe sensor open short Suction pipe sensor open short D pipe sensor Cons open short Over capacity Communication Indoor Outdoor EEPROM check sum Cond Pipe sensor temp high Heat sink sensor temp high Heat sink sensor open short 40 41 44 45 46 47 51 53 60 61 62 65 Off Off Off Off Off Off Off Off Off Off Of...

Page 196: ...ugged Normal resistor 5KΩ at 25 C Unplugged Normal voltage 2 5Vdc at 25 C plugged Normal resistor 5KΩ at 25 C Unplugged Normal voltage 2 5Vdc at 25 C plugged Display code Title Cause of error Check point Normal condition Check Point 1 Unplug the sensor on Indoor unit PCB 2 Estimate the resistance of each sensor 3 If the resistance of the sensor is 10KΩ 5KΩ at 25 C then sensor is normal 4 If the re...

Page 197: ...en Short Wrong connection Connection of wire Main PCB Volt DC12V Noise interference Display code Title Cause of error Check point Normal condition Check Point 1 Check the wire connection Open Short Repair the connection 2 Check the soldering state of connector Soldered poorly Repair or Change the PCB 3 Check the volt Of main PCB power source DC 12V DC 5V Repair or Change the main PCB 4 Check the i...

Page 198: ...tion of wire Drain pump Float switch Drain pump power input 220V Drain tube installation Indoor unit installation Inclination Display code Title Cause of error Check point Normal condition Check Point 1 Check the wire connection Open Soldered poorly Repair the connection or change the PCB 2 Check the resistance of float switch Abnormal Open Normal short Check the float switch 3 Check the level of ...

Page 199: ...ission circuit of indoor PCB is abnormal Display code Title Cause of error Check point Normal condition Check Point 1 Check the input power AC230V Outdoor Indoor unit 2 Check the communication wires are correctly connected Adjust the connection of wire Confirm the wire of Live Neutral 3 Check the resistance between communication line and GND Normal Over 2MΩ 4 Check the connector for communication ...

Page 200: ...IPM An instant over current in the U V W phase Comp lock The abnormal connection of U V W Over load condition Overcharging of refrigerant Pipe length Poor insulation of compressor Display code Title Cause of error Check point Normal condition Check Point 1 Check the wire connection U V W 2 Check the load condition Refrigerant Pipe length Adjust the load condition 3 Check the electricity leakage of...

Page 201: ...tion of compressor Blocking of pipe Low voltage input Refrigerant pipe length blocked Malfunction of current detection circuit Open Short The voltage of C01N Is 4 0Vdc 25A Display code Title Cause of error Check point Normal condition Check Point 1 Check the power source 2 Check the fan operation is right 3 Check the current 4 Check the install condition 5 Check the internal circuit C T Diode Resi...

Page 202: ...23 28 DC Link Low voltage DC Link High voltage DC link volt is 140Vdc DC link volt is 420Vdc Check the power source Check the components Check the power source Check the components Display code Title Cause of error Check point Normal condition Check Point 1 Check the power source 2 Check the components B Diode Reactor PSC Parts Troubleshooting Guide ...

Page 203: ...Input voltage 140Vac 300Vac Check the connection of CN_Press Check the components Check the power source Check the components Display code Title Cause of error Check point Normal condition Check Point CH 24 1 Check the connection of CN_PRESS 2 Check the install condition for over load 3 Check the SVC V V open 4 Check the leakage of refrigerant CH 25 1 Check the power source 2 Check the components ...

Page 204: ...ct error Over current at IGBT Check the connection of comp wire U V W Malfunction of compressor Check the component of IPM detection parts Check the component of IGBT Check the components Display code Title Cause of error Check point Normal condition Check Point CH 26 1 Check the connection of U V W 2 Check the insulation of IPM part 3 Check the compressor same with CH21 CH 27 1 Check the componen...

Page 205: ... high Check the discharge pipe sensor for INV Check the install condition for over load Check the leakage of refrigerant Check the SVC V V open Check the discharge pipe sensor for Cons Check the install condition for over load Check the leakage of refrigerant Check the SVC V V open Display code Title Cause of error Check point Normal condition Check Point CH 32 1 Check the install condition for ov...

Page 206: ... error Normal resistor 200KΩ at 25 C Unplugged Normal voltage 4 5Vdc at 25 C plugged Normal resistor 10KΩ at 25 C Unplugged Normal voltage 2 5Vdc at 25 C plugged Normal resistor 5KΩ at 25 C Unplugged Normal voltage 2 5Vdc at 25 C plugged Normal resistor 5KΩ at 25 C Unplugged Normal voltage 2 5Vdc at 25 C plugged Normal resistor 200KΩ at 25 C Unplugged Normal voltage 4 5Vdc at 25 C plugged Normal r...

Page 207: ...e Check the PCB ASM P No Check the poor soldering Display code Title Cause of error Check point Normal condition Check Point CH 51 1 Check the indoor unit capacity CH 60 1 Check the insertion condition of EEPROM 2 Check the poor soldering Troubleshooting Guide Model Gross max capacity Max single indoor unit capacity A2UW146FA0 A2UW146FA1 21k 12k A2UW146FA2 A2UW166FA0 A2UW166FA1 24k 12K A2UW186FA0 ...

Page 208: ...nsor detected high temp 85 C Check the load condition Check the sensor of Condenser pipe sensor Check the fan is locked Check the sensor of heat sink Display code Title Cause of error Check point Normal condition Check Point CH 61 1 Check the install condition for over load Refrigerant Pipe length Blocked CH 62 1 Check the fan is locked 2 Check the Outdoor temp is very high COMP Frequency Hz Toff ...

Page 209: ...unter clockwise connected manifold gauge Evacuation Open Open Open Servicing connected manifold gauge Gas charging Open Open Open Servicing with charging cylinder Pressure check Open Open Open Servicing connected manifold gauge Gas releasing Open Open Open Servicing connected manifold gauge 3 2 1 4 5 6 Valve cap Open position Closed position Pin Service port Service port cap To piping connection T...

Page 210: ...handle valve on the gauge slightly to air purge from the hose 5 Set the liquid side valve to the closed position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm2 g 7 Immediately set the gas side valve to the closed position Do this quickly so that the gauge ends up indicat ing 1kg g 8 Disconnect the charge set and mount the liquid side and gas side va...

Page 211: ...ately one hour Confirm that the gauge needle has moved toward 76 cmHg vacuum of 4 mmHg or less 5 Close the Low handle of the gauge turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump 6 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or deplet ed replenish as needed 7 ...

Page 212: ...y 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 4 Immediately disconnect the charge hose from the gas side 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 co...

Page 213: ...ce purposes LGE Internal Use Only Exploded View 346810 146811 263230A 268711B 131410 359011 342800 147581 268711A 159830 354210 135311 135316 267110 249951 733010 152313 135314 152302 35211B 135516 W0CZZ 352150 266090 268711C 352116 352115 263230B Exploded View Indoor Unit SQ SR chassis ...

Page 214: ... and service purposes LGE Internal Use Only Exploded View 346810 35211B 135516 W0CZZ 352150 267110 146811 266090 263230A 268711B 268711C 131410 359011 342800 147581A 147581B 268711A 159830 135311 W51620 135316 249951 733010 152313 135314 152302 352115 352116 263230B ST chassis ...

Page 215: ...rved Only for training and service purposes LGE Internal Use Only 152302 152313 342800 263230A 359011 131410 733010 135312 135311 159830 147581 268711A 146811 352150 346810 266090 135516 35211B 354210 249951 268711B 267110 263230B S4 chassis Exploded View ...

Page 216: ... Only for training and service purposes LGE Internal Use Only Exploded View 152302 152302 152313 342800 263230A 359011 131410 733010 135312 135311 159830 147581 268711A 146811 352150 346810 266090 135516 35211B 354210 249951 268711B 267110 263230B S5 chassis ...

Page 217: ...oded View 359012 135515 267110 135500C 349600 135500B 135311A 146811B 147581 330870 135311C 146811B 346810 135500A 146811B 135311B 131410 352380 352150 35211B 263230B 263230A 147581 152302 135313 268711A 268711D 135316 354210 146811A 147581 352116 352115 249951 130400 266090 268711C 159830 268711B SP1 chassis Art cool type ...

Page 218: ...ternal Use Only 352150 147581 249951 W0CZZ 266090 249941 268714 733010 346810 131410 146811A 135311 135080A 135080B 263020 668713B 342800 267110 359011 146811 668713A 135316 146811 152302 159830 263230A 263230B 35211B 354210 352114 352118 Exploded View Art Cool Deluxe Type SU SZ chassis A C Motor 135313 ...

Page 219: ...al Use Only Exploded View 352150 147581 249951 249941 268711A 733010 131410 146811A 135311 135080A 135080B 263020 268711C 342800 267110 266090 359011 146811B 268711B 135316 146811B 145200A 145200B 152302 263230A 263230B 35211B 352114 352118 346810 159830 354210 Art Cool Deluxe Type SU SZ chassis BLDC 135313 ...

Page 220: ... Internal Use Only Exploded View Art Cool Deluxe Type S3 chassis A C Motor 352150 147581 249951 249941 268711A 733010 131410 146811A 135311 263040 268711C 342800 267110 266090 359011 146811B 268711B 135316 146811B 145200A 145200B 152302 159830 263230A 263230B 35211B 352115 352116 346810 354210 135313 ...

Page 221: ...vice purposes LGE Internal Use Only Art Cool Deluxe Type S3 chassis BLDC 352150 354210 147581 249951 249941 268711A 733010 131410 146811A 135311 263040 268711C 342800 267110 266090 359011 146811B 268711B 135316 146811B 145200A 145200B 152302 159830 263230A 263230B 35211B 352115 352116 346810 135313 ...

Page 222: ...vice purposes LGE Internal Use Only Exploded View Art Cool Mirror Type SE chassis BLDC 152302 135316 159830 267110 354210 147581 35211B 135500 266090 131410 733010 146811B 346810 135516 249951 146811A 135311 352150 359011 342800 268711B 263230A 263230B 263230C 268711C 268711D 268711A ...

Page 223: ... reserved Only for training and service purposes LGE Internal Use Only Exploded View 159830 359012A 336600B 359012B 346810B 346810A 336600A 263230A 263230B 263230C 354210 268711A 249951 268711B 352118A 352150 158591 267110 330870 352118B DUCT LOW B1 ...

Page 224: ...right reserved Only for training and service purposes LGE Internal Use Only Exploded View DUCT LOW B2 159830 336600A 263230A 263230B 263230C 359012B 354210 268711A 249951 268711B 336600B 346810 352118A 267110 352150 158591 330870 352118B 359012A ...

Page 225: ...ht reserved Only for training and service purposes LGE Internal Use Only 354210 152302 137214 552111 352118 330870 268711 249951 267110 346810 359012A 359012B W0CZZ 336600B 336600A 263230C 263230B 263230A 352111 Exploded View Duct Type High Static ...

Page 226: ...served Only for training and service purposes LGE Internal Use Only 336610 359012A 346810 152302 359012B 552111 354210 249951 352118 330860 W0CZZ 268714 267110 263230A 263230B 263230C 352111 A CL 267111 Exploded View Duct Type Low Static BT BT1 chassis ...

Page 227: ... training and service purposes LGE Internal Use Only Built in Duct type BP chassis 158591 137214 336600B 359012A 336600A 359012B 249951 330870 237202 352118B 352118A 354210 346810 W0CZZ 268711 267110 263230A 263230B 263230C Accessory Front Panel Assembly Exploded View ...

Page 228: ...and service purposes LGE Internal Use Only Cassette Type 1 way TC1 chassis 359011 352116 352115 267110B 267110A 330870 346810 135500 352150 158591 130911 352390 263230C 354210 266010 263230B 263230A 266090 159830 249951 268711 Accessory Front Panel Assembly Option Exploded View ...

Page 229: ...nly Cassette Type 1 way TC chassis 738282 738290 135802 135312 152312 359011 352116 352115 140570 146811 152302 137211 267110B 267110A 268712 330860 346810 354212 158591 130911 W1SZ 263230C 354210 266012 263230B 263230A IN S T A L L M A N U A L O W N E R S M A N U A L 266090 159830 249951 268714 W0CZZ Exploded View ...

Page 230: ... right reserved Only for training and service purposes LGE Internal Use Only Exploded View Cassette Type 4 way TE chassis 263230A 263230B 263230C 249951 266090 159830 35211A 354211 268711 330870 266010 352111 352118 158591 Applied for 18K Model ...

Page 231: ... Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Exploded View 130412 359012 130911B 267110A 352150 130911A 267110B Optional Accessory Front Panel Assembly 140570 346811 W0CZZ ...

Page 232: ...right reserved Only for training and service purposes LGE Internal Use Only Exploded View 263230A 263230B 263230C 249951 266090 159830 35211A 354211 268711 330870 266010 352111 352118 158591 Applied for 18K Model Cassette Type 4 way TE 1 chassis ...

Page 233: ...pyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Exploded View 130412 359012 130911B 267110A 352150 130911A Accessory Front Panel Assembly 140570 ...

Page 234: ...ll right reserved Only for training and service purposes LGE Internal Use Only Exploded View Cassette Type 4 way TF chassis 249951 266090 268711 330870 159830 263230C 354211A 158591 263230A 352118A 266010 552111 352118B 354211B 263230B 352111 ...

Page 235: ...07 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Exploded View 346810 130412 359012 W0CZZ 267110A 267110B 130911A 130911B W4056 352150 Accessory Front Panel Assembly ...

Page 236: ...ics Inc All right reserved Only for training and service purposes LGE Internal Use Only Exploded View Cassette Type 4 way TH chassis 130412 354211 330870 263230B 352118 159830 266090 552111 263230A 268711 249951 158591 266010 263230C ...

Page 237: ...7 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Exploded View 130412 346810 267110 359012 130912A 130911A 352150 140570 130912B 130911B Accessory Front Panel Assembly ...

Page 238: ...nc All right reserved Only for training and service purposes LGE Internal Use Only Exploded View Cassette Type 4 way TD chassis 266090 130411 354211 158591 330870 352118B 266012 552111 159830 249951 268714 352118A 263230C 263230B 263230A ...

Page 239: ...ics Inc All right reserved Only for training and service purposes LGE Internal Use Only Exploded View 130411 346810 152312 135313 135802 359012 130912A 130911A 352150B 140570 W0CZZ 146811 137211 267110B 267110A 268712 130912B 130911B ...

Page 240: ... Convertible Type VE chassis 152302 135313 137211 135310 267110 W4810 266090 159830 352150 147581 W0CZZ 266000 330870 268711A 268711B 266000 733010 268711C 146811 354210 352116 35211B 346810 359011 330780 342800 135500 131410 249951 263230B 263230A 352115 Applied for Plasma Model Applied for Plasma Model Exploded View ...

Page 241: ...and service purposes LGE Internal Use Only Convertible Type VB chassis 130911 263230A 263230B 35211A 342800 359011 152302 330870 354210 352115 249951 268711A W0CZZ 266000 346810 268711C 237900 235450 146811 147590A 147590B 135303 352150 267110 137211 135314 135310 Exploded View ...

Page 242: ...purposes LGE Internal Use Only Exploded View 552203A 552203B 552203A 552203B W49810 552200 561410 263230A 263230B 552116 649950 268711 554160 661400A 661400B W0CZZ 261704 430411 447910 437211 435301 554031 437212 435511 559010 546810 558511 552113 552112 A2UW146FA2 A2UW166FA1 Outdoor Unit ...

Page 243: ...ing and service purposes LGE Internal Use Only Exploded View 552203A 552203B 552203A 552203B W49810 552200 561410 263230A 263230B 552116 649950 268711 554160 661400A 661400B W0CZZ 261704 430411 447910 437211 435301 554031 437212 435511 559010 546810 552113 552112 A2UW166FA0 ...

Page 244: ... service purposes LGE Internal Use Only 552113 552112 552116 561410 649950 268711 552203A 552203B 552203A 552203B 554160 W49810 661400A 661400B 263230A 263230B W0CZZ 554031 435512 559010 435301 546810 447910 437211 430411 261704 566000 552200 437212 435511 Exploded View A2UW146FA0 ...

Page 245: ... service purposes LGE Internal Use Only Exploded View 552113 552112 548490 552116 561410 649950 268711 554160 661400A 661400B 263230A 263230B W0CZZ 554031 435512 559010 435301 546810 447910 437211 430411 261704 566000 661400C 437212 435511 W49810 552200 552203A 552203B A3UW186FA1 ...

Page 246: ... LGE Internal Use Only Exploded View 552113 558511 552112 552116 561410 649950 268711 435511 552203A 552203B 552203A 552203B 554160 W49810 661400A 661400B 263230A 263230B W0CZZ 554031 435512 559010 435301 546810 447910 437211 430411 137213B 137213A 435300 261704 566000 552200 A2UW146FA1 A2UW186FA0 ...

Page 247: ... service purposes LGE Internal Use Only Exploded View 437212 552113 558511 552112 552116 561410 649950 268711 435511 554160 W49810 661400B 661400C 263230A 263230B W0CZZ 554031 435512 559010 435301 546810 447910 437211 430411 261704 566000 661400A 552200 552203A 552203B A3UW186FA0 ...

Page 248: ...loded View 552113 W49810 552115 552116 552111 435511 554160B 554160A 561410A 552200 661400A 661400B 661400C 554031 435512 552201 559010 435301 546810 447910 437210 430411 137213B 137213A 435300 561410B 561410C 261704 W0CZZB W0CZZA 649950 552204 566000 558511 548490 263230A 263230B 263230C 268711 552203A 552203B A3UW246FA0 ...

Page 249: ...iew 552113 349600 W49810 552115 552116 552111 435511 554160B 554160A 561410A 552200 661400A 661400B 661400C 554031 435512 552201 559010 435301 546810 447910 437210 430411 137213B 137213A 435300 561410B 561410C 661400D 261704 W0CZZB W0CZZA 649950 552204 566000 558511 548490 263230A 263230B 263230C 268711 552203A 552203B A4UW246FA0 ...

Page 250: ...vice purposes LGE Internal Use Only Exploded View A4UW24GFA0 A4UW30GFA0 552116 552111 263230A 263230B 548490 559010 552115 554031 546810 430410 554160 137213A 435300 137213B 435301 435512 437210 435511 668711 649950 561411 552113 561411A 561411B 561411C 561411D 552113A 552113B 561410 ...

Page 251: ...46810A 546810B 559010 554160A 554160B 447910 430411 435512 435301 437210 137213B 137213A 435300 548490 552115 552111 552116 352113 435511 W49810 649950 268711 W0CZZA W0CZZB 566000 661400A 661400B 661400C 661400D 552203A 552203B 552204 558511 261704 554031 552200 561410A 561410B 561410C 263230A 263230B 263230C 552201 552113 A4UW306FA0 ...

Page 252: ...Only A4UW306FA1 546810A 546810B 559010 554160A 554160B 447910 430411 435512 435301 437210 137213B 137213A 435300 548490 552115 552111 552116 352113 435511 W49810 649950 268711 W0CZZA W0CZZB 566000 552203A 552203B 552204 558511 261704 554031 561410A 561410B 561410C 263230A 263230B 263230C 552201 552113 Exploded View ...

Page 253: ...W406FA0 437212 554031B 435512 261704 349600 237200 649950 W0CZZA W0CZZB 669200 447910 566000 552116 430411 546810A 546810B 548490 352112 552111 55211GA 55211GB 552113 558511 661400 263230C 263230B 263230A 546810A 554031A 559010 268711 437210 435511 435301 137213 554160B 554160A 552203B 552115B 552115A 552203A Exploded View ...

Page 254: ...P NO 3828A20097W NOVEMBER 2007 ...

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