LG ABNH186HLAB Service Manual Download Page 106

Page: 106 / 183

Troubleshooting Guide

106 Universal System Air Conditioner

1) Troubleshooting CH01, CH02, CH06

Ω

10k

Ω

Check the resistance

Check the voltage

2.5Vdc

Indoor air sensor

Indoor inlet pipe sensor

Indoor outlet pipe sensor

• Open / Short
• Soldered poorly
• Internal circuit error

Normal resistor : 10K

Ω

/ at 25°C (Unplugged)

Normal voltage : 2.5Vdc / at 25°C (plugged)

Normal resistor : 5K

Ω

/ at 25°C (Unplugged)

Normal voltage : 2.5Vdc / at 25°C (plugged)

Normal resistor : 5K

Ω

/ 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 10K

Ω

/ 5K

Ω

at 25°C, then sensor is normal.

4. If the resistance of the sensor is 0 K

Ω

∞

, then sensor is abnormal.

→

Change the sensor.

5. Plug the sensor on Indoor unit PCB and Power ON.

6. Estimate the voltage of each sensor.

7. If the voltage of the sensor is 2.5Vdc at 25°C, then sensor is normal.

8. If the resistance of the sensor is 0 or 5Vdc, then sensor is abnormal.

→

Repair or Change the PCB.

Summary of Contents for ABNH186HLAB

Page 1: ...ir Conditioner SERVICE MANUAL LG CAUTION website http www lgservice com e mail http www lgeservice com techsup html BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL ...

Page 2: ...unction 96 Cycle Troubleshooting Guide 97 Electronic Parts Troubleshooting 98 General Information 103 IV Electronic Control Device Ceiling Cassette Type 120 Ceiling Duct Type 121 Ceiling Floor 123 V Schematic Diagram Ceiling Cassette Type 126 Ceiling Duct Type 127 Ceiling Floor 128 V Functional Description Ceiling Cassette Type 130 Ceiling Duct Type 132 Ceiling Floor 135 Outdoor Units 138 VII Expl...

Page 3: ...ry or damage to properties only 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 Always ground the product There is risk of fire or electric shock Install the panel and the cover of control box securely There is risk of fire or electric shock Alway...

Page 4: ...tive 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 conditioner run for a long time when the humidity is very high and a door or a window is left open Moisture may condense ...

Page 5: ...roduct damage Always check for gas refrigerant leakage after installation or repair of product Low refrigerant levels may cause failure of product Install the drain hose to ensure that water is drained away properly A bad connection may cause water leakage Do not store or use flammable gas or com bustibles near the product There is risk of fire or failure of product If strange sounds or small or s...

Page 6: ...fire electric shock or damage to the plastic parts of the product Do not touch the metal parts of the product when removing the air filter They are very sharp There is risk of personal injury Do not step on or put anyting on the product outdoor units There is risk of personal injury and failure of product Do not insert hands or other objects through the air inlet or outlet while the product is ope...

Page 7: ...I Indoor Units Introduction 8 Ceiling Cassette 4 way 10 Ceiling Floor 31 Ceiling Concealed Duct 45 Service Manual 7 ...

Page 8: ...ay Ceiling Concealed Duct Indoor unit R410A ATNH126ELFB UT12 NEB ATNH186ELFB UT18 NEB AVNH186BLAB UV18 NBB AVNH246BLAB UV24 NBB AVNH306BLAB UV30 NBB ABNH306GLAB UB30 NGB ABNH366GLAB UB36 NGB ATNH246FLFB UT24 NFB ATNH306FLFB UT30 NFB ATNH366DLFB UT36 NDB ATNH486DLFB UT48 NDB ATNH606DLFB UT60 NDB ABNH486RLAB UB48 NRB ABNH606RLAB UB60 NRB AVNH126ELAB UV12 NEB ABNH186HLAB UB18 NHB ABNH246HLAB UB24 NHB...

Page 9: ...80V 415V 50Hz Nominal CoolingCapacity in Btu h Ex 18 18 000 Btu h 48 48 000 Btu h Model Type C Cooling Only H HeatPump Indicates that this is a indoor unit for R410A ATN Ceiling cassette type indoor unit ABN Ceiling concealed duct type indoor unit AVN Convertible type indoor unit P T H E C Functions A Basic C Plasma Air Purifier E Elevation Grille F Elevation Grille Plasma Air Purifier Indoor Unit...

Page 10: ...eatures Benefits 11 2 List of Functions 15 3 Specifications 16 4 Dimensional Drawings 18 5 Wiring Diagrams 21 6 Piping Diagrams 22 7 Operating Instructions 23 8 Installation 25 9 Accessories 30 Ceiling Cassette 4 way R410A Indoor Units ATNH EL FL DL Ceiling Cassette 4 way ...

Page 11: ...Main body Remote control Zero stanby power consumption Jet cool Swirl swing Space control Compact Design and Easy Installation Only about 269mm height in the ceiling is sufficient for installation space A smaller size than a Textile 600X600 is very conve nient for installation Low Noise with 3 dimensional turbo fan The most advanced low noise design The adoption of turbo fan and round type heat ex...

Page 12: ... of up to 700 mm is possible creating the ideal solution for perfect water drainage High Ceiling Corresponding Operation According to the height of the installation it provides vari ability of indoor fan motor rpm If the height of installation is low then you can adjust low rpm of indoor fan motor On the other hand if the height of the installation is high you can adjust high rpm of indoor fan mot...

Page 13: ...al 2 4 4 8 100 Improved Comparison of Air Flow Types Comparison of Floor Temp Distribution 20 C Vane 1 Close Open Open Open Open Open Close Close Open Vane 3 Close Open Close Close Open Open Open Close Close Open Vane 2 Open Open Time Close Close Open Vane 4 Vane 1 Vane 3 Vane 2 Time Vane 4 Vane 3 Vane 4 Vane 1 Swirl Swing It is the function for comfort cooling heating operation The diagonal two l...

Page 14: ...res With the help of the slide switch at the back of the LCD wired remote controller selection of the desired thermistor for controlling the unit can be done One thermistor is in the Indoor unit the other one is in the LCD wired remote Group Control It enables to control as much as 16 units with the help of one wired remote controller All the units will follow same setting of temperature other sub...

Page 15: ...for hotel use Wireless remote controller simple Wireless LCD remote controller General central control Non LGAP Dry contact CAC network function Simple central control LGAP PDI Power Distribution Indicator PI485 Special function kit CTIE Zone control Others Thermistor 4 4 4 Auto Auto Auto X X X O O O 3 4 3 3 4 3 3 4 3 X X X O O O O O O O O O O O O O O O O O O O O O O O O O O O X O X X X X O X O O ...

Page 16: ...UT18 NEB ATNH246FLFB UT24 NFB ATNH306FLFB UT30 NEB Indoor unit type Ceilling Cassette 4way 1 220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 3 52 5 28 7 03 8 21 12 000 18 000 24 000 28 000 4 04 5 95 8 09 9 44 13 800 20 300 27 600 32 200 0 35 0 43 0 53 0 67 Induction Induction Induction Induction Turbo Fan Turbo Fan Turbo Fan Turbo Fan 18 4 1 22 4 1 40 3 1 48 6 1 9 5 8 7 13 12 11 15 14 13 19 17 1...

Page 17: ...2 30 883 812 742 1059 988 918 1200 1130 1059 2 5 440 6 400 6 400 Direct Drive Direct Drive Direct Drive 2R x 12C x 21 2R x 12C x 21 2R x 12C x 21 840 288 840 33 1 11 3 33 1 840 288 840 33 1 11 3 33 1 840 288 840 33 1 11 3 33 1 950 30 950 37 4 1 2 37 4 950 30 950 37 4 1 2 37 4 950 30 950 37 4 1 2 37 4 32 70 4 32 70 4 32 70 4 5 11 5 11 5 11 Long life filter Long life filter Long life filter 40 38 36...

Page 18: ...50 Hanging bolt 75 75 600 Ceiling opening 600 Ceiling opening 521 Hanging bolt 39 5 39 5 670 670 5 6 30 ATNH EL Decoration Panel PT HEA PT HEC unit mm Number Name Descripition 1 Liquid pipe connection ø6 35 flare 2 Gas pipe connection 12k ø9 52 18k ø12 7 flare 3 Drain pipe connection 4 Power supply connection 5 Air discharge grille 6 Air suction grille 4 Dimensional Drawings ...

Page 19: ...4 Unit size 658 Hanging bolt 66 66 790 Ceiling opening 790 Ceiling opening 572 Hanging bolt 109 109 30 ATNH FL Decoration Panel PT HFA PT HFC unit mm Number Name Descripition 1 Liquid pipe connection ø6 35 flare 2 Gas pipe connection 24K ø12 7 30K ø15 88 flare 3 Drain pipe connection 4 Power supply connection 5 Air discharge grille 6 Air suction grille ...

Page 20: ...t size 840 Unit size 672 Hanging bolt 101 5 101 5 875 Ceiling opening 875 Ceiling opening 785 Hanging bolt 45 45 Unit mm 4 1 2 3 950 950 5 6 30 Number Name Descripition 1 Liquid pipe connection 36k ø6 35 48 60k ø9 52 flare 2 Gas pipe connection 36k ø15 88 48 60k ø19 05flare 3 Drain pipe connection 4 Power supply connection 5 Air discharge grille 6 Air suction grille unit mm ...

Page 21: ... DRAIN PUMP OUTPUT CN DISP DISPLAY CN FLOAT FLOAT SWITCH INPUT CN PTC PTC HEATER INUT CN REMO REMOTE CONTROL CN GRILL GRILL CONTROL CN CC CENTRAL CONTROL CN PIPE2 DISCHARGE PIPE SENSOR CN ROOM ROOM SENSOR CN PIPE1 PIPE SENSOR CN HVB AIR CLEANER CN UD1 STEP MOTOR CN UD2 STEP MOTOR CN LR1 STEP MOTOR CN LR2 STEP MOTOR 5 Wiring Diagrams ...

Page 22: ...ATNH126ELFB UT12 NEB ATNH186ELFB UT18 NEB ATNH246FLFB UT24 NFB ATNH306FLFB UT30 NFB ATNH366DLFB UT36 NDB ATNH486DLFB UT48 NDB ATNH606DLFB UT60 NDB Gas 9 52 3 8 12 7 1 2 15 88 5 8 19 05 3 4 Liquid 6 35 1 4 9 52 3 8 unit mm inch Heat Exchanger Turbo Fan lndoor unit Heating Cooling Thermistor 6 Piping Diagrams ...

Page 23: ...set the timer when the desired time is obtained 12 Week Button Used to set a day of the week 13 Program Button Used to set the weekly timer 14 Holiday Button Used to set a holiday of the week 15 Time Set Button Used to set the time of the day and change the time in the weekly timer Function 16 Set and Clear Button Used to set and clear the weekly timer 17 Swirl Button 4 way Used to select swirl mo...

Page 24: ... BUTTON Used to set Sleep Mode Auto operation 11 AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heating 12 ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature 13 PLASMA OPTIONAL Used to start or stop the plasma purification func tion 14 RESET BUTTON Initialize remote controller 15 2nd F Button Used prior to using modes printed in blue at the bottom of butt...

Page 25: ...el Screw driver Electric drill Hole core drill ø70mm Flaring Tools set Torque Wrenches Hexagonal Wrench 4mm 5mm Gas leak detector Owner s Manual Thermometer 8 1 Selection of the best location There should not be any heat source or steam near the unit There should not be any obstacles to the air circula tion There should be provision of easy condensate drain Taking into accounting the noise prevent...

Page 26: ...09 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 The dimensions of the paper pattern for installation 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 drain direction after considering the ...

Page 27: ...3 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 Tighten the nut and bolt to prevent unit from falling off CAUTION Air inlet side view Control box cover Indoor power cord Remote controller cord Control box cover fitting screw 2 units Terminal Block in Indoor 1 L 2 N 3 4 Connected...

Page 28: ...r tightening these screws install the air inlet grille including the air filter Decoration panel fixing screws hexagon M5 screws Temporally fitting at 2 places Tightening about 10mm Control box cover Piping side Inlet Grille Inlet Grille Inlet Grille Inlet Grille Inlet Grille Louver motor Decoration panel fixing screws Hexagon M5 screw Air conditioner unit Decoration panel Key holes Display Lead w...

Page 29: ...n hose CAUTION The supplied flexible drain hose should not be curved neither screwed The curved or screwed hose may cause a leakage of water 1 50 1 100 MAX 700mm Flexible drain hose Flexible drain hose After the confirmation of the above conditions prepare the wiring as follows 1 Never fail to have an individual power specialized for the air conditioner As for the method of wiring be guided by the...

Page 30: ...ories For Unit Standard Accessories Paper pattern for installation Owner s manual Installation manual No Item Type Model No Component Parts Wireless remote control 1EA Holder 1EA Battery 2EA Screw 2EA Central control Installation manual PCB 1EA Installation manual Wire assembly 1 2 3 Wireless remote control With air purifying function AHWRHD Central control Simple PQCSA101S0 PI485 Gateway For cent...

Page 31: ...ures Benefits 32 2 List of Functions 33 3 Specifications 34 4 Dimensional Drawings 35 5 Wiring Diagrams 37 6 Piping Diagrams 38 7 Operating Instructions 39 8 Installation 40 9 Accessories 44 Ceiling Floor R410A Indoor Units AVNH EL BL Ceiling Floor ...

Page 32: ...le Installation It can be installed on the floor or ceiling according to your need Low Noise Advanced airflow system and cross flow fan give quiet and more comfortable environment Vertical Airflow Balanced Temperature Distribution The heat distribution graph shows an example of even tem perature distribution achieved by the auto swing airflow Noise Distribution dBA Upward Downward Ceiling Installa...

Page 33: ...controller for hotel use Wireless remote controller simple Wireless LCD remote controller General central control Non LGAP Dry contact CAC network function Simple central control LGAP PDI Power Distribution Indicator PI485 Special function kit CTIE Zone control Others Thermistor 1 1 Manual Manual X Auto X X O O 3 4 3 3 4 3 X X O O O O X X X X X O O X X X X O O O O O O X X X X O O O O X X O O X X O...

Page 34: ...0 1 5 370 Direct Drive Direct Drive Direct Drive Direct Drive 2R x 12C x 20 2R x 12C x 18 2R x 12C x 20 2R x 12C x 20 900 200 490 35 4 7 9 19 3 1 200 205 615 47 2 8 1 24 2 1 200 205 615 47 2 8 1 24 2 1 200 205 615 47 2 8 1 24 2 12 26 5 30 66 1 30 66 1 30 66 1 Long life filter Long life filter Long life filter Long life filter 40 36 31 43 40 37 45 42 39 45 42 39 6 35 1 4 6 35 1 4 6 35 1 4 6 35 1 4 ...

Page 35: ...e than 20Cm More than 20Cm More than 5Cm More than 20Cm Suspension bolt piping hole Ø45 235 50 100 820 40 Washer Nut Suspension bolts Ceiling Anchor nut Drain piping hole Ø25 Suspension bolts Spring washer Max 12mm Hangen Washer Nut Installation plate Ø70mm Left rear piping Right rear piping Floor 70 120 70 more than 200 Ø70mm Ceiling Installation Floor Installation Air suction grille Air discharg...

Page 36: ... 615 R More than 20cm More than eye level More than 20cm R Ceiling installation R More than 20cm More than 20cm Floor Wall installation Rear Side Unit mm 1076 Suspension bolt W3 8 or M10 Center line for the piping hole 265 1236 265 1076 more than 260 265 1236 392 265 468 63 Ø10 Stud Bolt hole 38 175 Installation Plate 250 128 36 36 1076 AVNH BL ...

Page 37: ... DOOR STEP MOTOR CN DISPLAY DISPLAY CN U D1 STEP MOTOR CN FLOAT FLOAT SWITCH INUT CN CC CENTRAL CONTROL CN CC CN TH1 IN PIPE THERMISTOR ROOM THERMISTOR CN FLOAT FLOAT S W CN MOTOR CN DPUMP DRAIN PUMP INDOOR MOTOR CAPACITOR FUSE BR BL GN YL RD 3 4 1 L 2 N OPTION 3854A20419D TO OUTDOOR UNIT CN TH2 OUT PIPE THERMISTOR CN ACDC CN UD1 STEP MOTOR CN HVB A CL UNIT HVB CN DISP DISPLAY PCB ASSY GN YL CENTR...

Page 38: ...Diagrams Refrigerant pipe connection port diameter Model AVNH126ELAB UV12 NEB AVNH186BLAB UV18 NBB AVNH246BLAB UV24 NBB AVNH306BLAB UV30 NBB Gas 9 52 3 8 12 7 1 2 15 88 5 8 Liquid 6 35 1 4 unit mm inch Heat Exchanger C F F lndoor unit Heating Cooling Thermistor ...

Page 39: ...arting and stopping operation 8 TIME SETTING BUTTONS Used to adjust the time 9 TIMER SET CANCEL BUTTON Used to set the timer when the desired time is obtained and to cancel the Timer operation 10 SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation 11 AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heating 12 ROOM TEMPERATURE CHECKING BUTTON Used to check the room ...

Page 40: ...l ø70mm Pipes Gas side Ø9 52 Ø12 7 Ø15 88mm Liquid side Ø6 35mm Insulated drain hose Insulation materials Flaring Tools set Specified Torque Wrenches 1 8kg m Liquid side piping 5 5kg m Gas side piping Spanner Half union Specified Torque Wrenches 1 8kg m Liquid side piping 5 5kg m Gas side piping Hexagonal Wrench 4mm Gas leak Detector Two type B screws Owner s Manual Thermometer Installation Plate ...

Page 41: ... 2 screws after removing the Inlet grille from the Indoor unit 2 Connect the wires to the terminals on the control board individually according to the outdoor unit connection Ensure that the color of the wires of outdoor unit and the terminal No are the same as those of indoor unit respectively R AIR GUIDE L INDOOR UNIT Control Panel 1 2 Clamp Terminal Block in Indoor 1 L 2 N 3 4 Connected to outd...

Page 42: ...rtible 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 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 instal...

Page 43: ...ification of power source 5 Confirm that electrical capacity is sufficient 6 Be sure that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate 7 Confirm that the cable thickness is as specified in the power sources specification Particularly note the relation between cable length and thickness 8 Never fail to equip a leakage breaker where it is w...

Page 44: ... 1 set Drain hose 1 EA Clamp 8 EA Washer for hanging backet 6 EA Other Owner s manual Installation manual Optional Accessories For Unit Standard Accessories No Item Type Model No Component Parts Central control Installation manual PCB 1EA Installation manual Wire assembly 1 2 Central control Simple PQCSA101S0 PI485 Gateway For central control PHNFP14A0 ...

Page 45: ... List of Functions 48 3 Specifications 49 4 Dimensional Drawings 51 5 Wiring Diagrams 52 6 Piping Diagrams 53 7 E S P Setting for 54 8 OPERATIONG INSTRUCTION 58 9 Installation 60 10 Accessories 65 Ceiling Concealed Duct R410A Indoor Units ABNH HL GL RL Ceiling Concealed Duct ...

Page 46: ...urifying system Accessory Hygienic and easy to clean filter Easy Installation Flexible Duct is easy to install regardless of room size or heater position It can be installed even in a limited space and saves construction cost with slim thickness Innovative Design of Fan and Housing System Low Noise Easy Serviceability Plastic Fan and Housing Assembly Designed for low noise Designed to reduce weigh...

Page 47: ...er than set temperature then the damper is closed On the other hand if the temperature of a particular zone is higher than the set temperature damper is opened to pro vide cooling to the zone and vice versa in the heating mode Polluted Air Purified fresh Air 4 8KV discharge Ionizer Photo Catalyst Coated Mesh Dust particles Odour Dust electrode discharge Odour molecule Generating plasma LG s High T...

Page 48: ...oller simple Wireless LCD remote controller General central control Non LGAP Dry contact CAC network function Simple central control LGAP PDI Power Distribution Indicator PI485 Special function kit CTIE Zone control Others Thermistor 2 2 2 3 3 3 3 3 3 3 3 3 ABPAHH ABPAHH ABPAHH O O O ABDPG ABDPG ABDPG O O O O O O O O O O O O X O X X X X O X O O O O O O O O O O O O O X X X O O O O O O O O O O O O X...

Page 49: ... 512 459 636 583 494 936 812 706 8 8 10 6 370 6 370 6 370 Direct Drive Direct Drive Direct Drive 3R x 10C x 21 3R x 10C x 21 3R x 12C x 21 880 260 450 34 6 10 2 17 7 880 260 450 34 6 10 2 17 7 1180 298 450 46 5 11 7 17 7 35 77 2 35 77 2 38 84 Long life filter Long life filter Long life filter 36 34 32 38 36 34 34 38 35 6 35 1 4 6 35 1 4 6 35 1 4 12 7 1 2 12 7 1 2 15 88 5 8 32 25 32 25 32 25 2 0 2 ...

Page 50: ...irocco Fan 272 2 431 2 431 2 32 29 26 40 35 30 50 45 40 1130 1024 918 1413 1236 1059 1766 1413 1236 10 15 15 6 370 15 450 15 450 Direct Drive Direct Drive Direct Drive 3R x 10C x 21 3R x 13C x 19 4R x 13C x 19 1180 298 450 46 5 11 7 17 7 1230 380 590 48 4 15 0 23 2 1230 380 590 48 4 15 0 23 2 38 84 60 132 60 132 Long life filter Long life filter Long life filter 42 39 36 44 42 40 46 44 42 6 35 1 4...

Page 51: ...7 Ø 15 88 Ø 6 35 Ø 9 52 18 24k 30 36 Ø 19 05 48 60k k Gas Liquid Model 1 Pipe Specification mm Note C D E F G H J K a b c d e f h i j k l 355 45 5 450 30 87 750 163 260 61 5 243 212 3 243 110 130 52 66 81 30 158 5 355 45 5 450 30 87 830 186 298 229 5 243 232 243 116 160 53 59 81 19 158 5 477 56 590 30 120 1006 294 380 215 279 241 279 185 168 51 98 83 17 172 Capacity A B 932 882 1232 1182 1282 1230...

Page 52: ...L BR 1 L 2 N 3 4 5 CN OUT CN PTC PTC HEATER VENTILATION E HEATER CN ZONE ZONE CONTROL CN FLOAT FLOAT S W CONNECTOR NUMBER LOCATION CN POWER AC POWER SUPPLY CN MOTOR BLDC FAN MOTOR OUTPUT CN D PUMP DRAIN PUMP OUTPUT CN DISP RF REMOTE CONTROL CN FLOAT FLOAT SWITCH INUT CN ZONE ZONE CONTROL OUTPUT CN CC CENTRAL CONTROL OUTPUT CONNECTOR NUMBER LOCATION CN PIPE1 PIPE SENSOR CN PIPE2 DISCHAGE PIPE SENSO...

Page 53: ...on port diameter Model ABNH186HLAB UB18 NHB ABNH246HLAB UB24 NHB ABNH306GLAB UB30 NGB ABNH366GLAB UB36 NGB ABNH486RLAB UB48 NRB ABNH606RLAB UB60 NRB Gas 12 7 1 2 15 88 5 8 19 05 3 4 9 52 3 8 Liquid 6 35 1 4 unit mm inch Heat Exchanger Sirocco Fan lndoor unit Heating Cooling Thermistor ...

Page 54: ...aried 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 18 24k 8mmAq 30 36k 10mmAq 48 60k 15mmAq Minimum All 0mmAq 3 Move the slide switch to set position 4 Close the rear cover and check if it w...

Page 55: ...igit only If the range selection is above 100 then the third digit will appear in the screen as shown Preheat ZONE Operation unit Program set Room Temp MED LO AUTO JET Heater Defrost Filter Humidify Out door Timer On Set no Time Off 01 03 05 07 09 11 13 15 17 19 21 23 1 2 3 4 OPERATION FAN SPEED SUB FUNCTION SET TEMP HI AUTO SWING Time Preheat ZONE Operation unit Program set Room Temp MED LO AUTO ...

Page 56: ... 245 243 243 240 240 High 40 1412 230 225 220 215 205 200 190 180 160 Med 35 1235 250 245 240 235 230 220 215 210 200 Low 30 1059 255 255 255 250 245 240 235 230 225 High 50 1766 185 180 174 162 154 140 90 5 1 Med 45 1589 210 205 199 191 189 180 155 138 110 Low 40 1423 230 225 219 215 210 205 193 180 171 Note 1 To get the desired Airflow E S P combination from the table set the matching value from...

Page 57: ... 876 23 812 Low 190 21 742 20 8 735 20 6 727 20 4 720 20 4 720 20 706 High 1 42 1483 40 1413 38 1342 35 5 1254 33 5 1183 32 1130 Med 220 39 1377 37 1307 35 1236 33 1165 31 1095 29 1024 Low 240 34 1201 32 5 1148 31 1095 29 5 1042 27 954 26 5 936 High 200 49 1730 47 4 1675 44 9 1584 43 3 1529 41 7 1472 40 1412 38 6 1361 37 1305 35 4 1249 Med 220 44 1554 42 4 1498 40 2 1420 39 2 1384 36 7 1296 35 123...

Page 58: ...d to set the Electric Heater 6 Fan Speed Button Used to set desired fan speed 7 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 8 Timer Cancel Button Used to cancel the timer 9 Timer Set Button Used to set the timer when the desired time is obtained 10 Week Button Used t...

Page 59: ...ration ex elec tronic quick start ELBA inverter type fluorescent lamp Signal transmitter Transmits the signals to the signal receptor 1 FAN Operation Button Used to circulate room air without cooling or heat ing 2 Cooling Operation Button 3 Soft Dry Operation Button Used to dehumidify without overcooling 4 Heating Operation Button Heat pump model only 5 Timer Set Button Used to set the timer when ...

Page 60: ...ll ø70mm Flaring Tools set Torque Wrenches Hexagonal Wrench 4mm 5mm Gas leak detector Owner s Manual Thermometer 9 1 Selection of the best location Install the air conditioner in the location that satisfies the fol lowing conditions The place shall easily bear a load exceeding four times the indoor unit s weight The place should have enough area for inspection as shown in figure The place where th...

Page 61: ... C 1 3 mm D G H I E F NOTE Throughly study the 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 ...

Page 62: ...ntrol board individually according to the outdoor unit connection Ensure that the color of the wires of outdoor unit and the terminal No are the same as those of indoor unit respectively Clamping of cables 1 Arrange 2 power cables on the control panel 2 First fasten the steel clamp with a screw to the inner boss of control panel 3 For the cooling model fix the other side of the clamp with a screw ...

Page 63: ...ulator for piping Local supply Hose crip for thermal insulator Local supply Union for liquid pipe Refrigerant pipe and thermal insulator Local supply Union for gas pipe Thermal insulator for refrigerant pipe Local supply Hose crip for thermal insulator Local supply 9 5 Checking the Drainage 1 Remove the Air Filter 2 Check the drainage Spray one or two glasses of water on the evapo rator Ensure tha...

Page 64: ...ipe Drain Pump 1 50 1 100 1 50 1 100 Front of view Alway 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 CORRECT Install the P Trap or U Trap to prevent a water leakage caused by the blocking of intake air filter Applied U Trap Dimension 1 Decline Installati...

Page 65: ...onent Parts Wireless remote control 1EA Holder 1EA Battery 2EA Screw 2EA Plasm Air Purifier Kit 1EA Wired Remote Control 1EA Factory sypplied Zone control PCB Durchased Locally Damper Damper Moter thermostat Drain Pump Assembly 1EA Central control Installation manual PCB 1EA Installation manual Wire assembly 1 2 3 4 5 6 Wireless remote control With air purifying function AHWRHS AHWRHD LCD Plasma a...

Page 66: ...66 Universal System Air Conditioner II Outdoor Units Introduction 67 AUUW B AUUW 0 R410A 69 ...

Page 67: ...HB AUUW4860 UU48 WUYB AUUW6060 UU60 WUYB Outdoor unit Indoor unit Type Model name Ceiling Cassette ATNH126ELFB UT12 NEB Ceiling Floor AVNH126ELAB UV12 NEB Ceiling Cassette ATNH186ELFB UT18 NEB Ceiling Floor AVNH186BLAB UV18NBB Ceiling Concealed Duct ABNH186HLAB UB18 NHB Ceiling Cassette ATNH246FLFB UT24 NFB Ceiling Floor AVNH246BLAB UV24 NBB Ceiling Concealed Duct ABNH246HLAB UB24 NHB Ceiling Cass...

Page 68: ...Phase Volts Freq 6 1Ø 220V 240V 50Hz 8 3Ø 380V 415V 50Hz Indicates that this is a R410A outdoor unit Model Type W Inverter Heat Pump H Heat Pump Nominal Cooling Capacity in Btu h 18 18 000 Btu h 12 12 000 Btu h 24 24 000 Btu h 72 72 000 Btu h 100 100 000 Btu h 30 30 000 Btu h 36 36 000 Btu h 48 48 000 Btu h 60 60 000 Btu h ...

Page 69: ...ontents 1 Features Benefits 70 2 Specifications 72 3 Dimensional Drawings 76 4 Wiring Diagrams 80 5 Piping Diagrams 86 6 Electric Characteristics 89 7 Operation Range 90 8 Installation 91 R410A Outdoor Units AUUW B AUUW 0 MPS Inverter SINGLE A ...

Page 70: ... of individual control units MPS Control Load is low Only Inverter Comp Load is high Inverter Comp Constant Comp Big Energy saving Max 70 with using MPS DC inverter High E E R Powerful DC Compressor TPS Control Frequency Load Inverter compressor control Inverter compressor control of 15 110Hz Constant speed compressor control Cooling Capacity Constant Speed Compressor DC Inverter Compressor Operat...

Page 71: ... best wide range of operation which is from 12 120 in cooling mode and from 12 138 in heating mode to give quicker cooling and heating Compared cooling capacity Standard heating capacity 120 Max heating capacity 138 Energy Saving Gold Fin Outdoor Heat Exchanger fins are coated with anti corrosive hydrophilic layers It prevents the corro sion of heat exchanger Fins remain as new even after long tim...

Page 72: ... NEB C UV18 NBB C UV24 NBB C UV30 NBB C AUUW126B AUUW186B AUUW246B AUUW306B UU12W UEB UU18W UEB UU24W UEB UU30W UEB 1 35 3 52 4 69 1 35 5 28 6 33 1 35 7 03 8 44 1 35 7 74 9 28 4600 12 000 16 000 4 600 18 000 21 600 4 600 24 000 28 800 4 600 26 400 31 680 1 41 4 04 5 28 1 41 5 95 7 28 1 41 8 09 9 38 1 41 8 88 10 7 4800 13 800 18 000 4 800 20 300 24 840 4 800 27 600 32 000 4 800 30 300 36 360 0 38 1...

Page 73: ... POE RB68A POE RB68A POE RB68A POE Rotary Rotary 5KS150EAB01 5KS205DAX 1 1 1 29 1 76 660 670 RB68A POE RB68A POE 1100 40 at 7 5m 1500 52 91 1750 61 72 2100 74 07 R410A R410A R410A R410A L E V L E V L E V L E V 18 18 18 18 1R 28C 2R 28C 2R 36C 2R 48C 7 0 0 276 7 0 0 276 7 0 0 276 7 0 0 276 Reversing cycle Reversing cycle Reversing cycle Reversing cycle IC28640LG28S IC28640LG28S IC28640LG28Y IC9625L...

Page 74: ...21 460 55 200 63 480 25 030 64 400 70 840 0 6 3 28 4 80 2 16 4 90 5 50 2 57 5 83 6 50 0 95 3 34 5 10 2 22 5 04 5 70 2 91 6 61 7 45 Indoor Units Outdoor Units Nominal Capacity Cooling kw Min Rated Max Btu h Heating kw Btu h Nominal Input Cooling kw Min Rated Max Heating kw Nominal Capacity and Nominal Input ABNH366GLAB C ABNH486RLAB C ABNH606RLAB C UB36 NGB C UB48 NRB C UB60 NRB C AUUW366B AUUW4860...

Page 75: ...80 480 480 RB68A POE RB68A POE RB68A POE Rotary Rotary Rotary 5JS315D 5JS315D 5JS315D 1 2 2 2 99 2 99 x 2 2 99 x 2 1130 1130 x 2 1130 x 2 RB68A POE RB68A POE RB68A POE 3500 123 45 7100 250 4 7100 250 4 R410A R410A R410A L E V L E V L E V 18 18 18 2R 52C 2R 53C x 2 2R 53C x 2 7 0 0 276 7 0 0 276 7 0 0 276 Reversing cycle Reversing cycle Reversing cycle IC28640LG28J x 2 ARE676E01 ARE676E01 0 12 x 2 ...

Page 76: ...B UU24 WUEB Air discharge grille W W mm 870 870 H mm 655 800 D mm 320 320 L1 mm 370 370 L2 mm 25 25 L3 mm 340 340 L4 mm 775 775 L5 mm 25 25 L6 mm 546 546 L7 mm 162 162 L8 mm 162 162 L9 mm 54 54 L10 mm 74 5 74 5 L11 mm 79 79 mm Ø6 35 Ø6 35 mm Ø12 7 Ø12 7 AUUW126B UU12 WUEB AUUW186B UU18 WUEB AUUW246B UU24 WUEB Model Dimensions ...

Page 77: ...UUW306B UU30 WUEB 76 5 4 holes for anchor bolts 320 Unit mm 64 160 160 550 1060 360 340 320 1030 870 4 2 3 1 Number Name Descripition 1 Liquid side service valve mm Ø6 35 2 Gas side service valve mm Ø15 88 3 Air discharge grill 4 Control Cover ...

Page 78: ... L10 L5 W D L1 L2 L3 Gas side 3 way valve Control cover Liquid side 3 way valve 4 hole for anchor bolts W mm 900 H mm 1 165 D mm 370 L1 mm 460 L2 mm 45 L3 mm 410 L4 mm 1 135 L5 mm 30 L6 mm 550 L7 mm 175 L8 mm 175 L9 mm 112 L10 mm 120 L11 mm 83 mm Ø6 35 mm Ø15 88 AUUW366B UU36 WUHB Model Dimensions ...

Page 79: ...let Air inlet Air outlet Service Panel Unit mm Knockout hole For the control wiring the power supply refrigerant connecting pipe Knockout hole For the control wiring the power supply refrigerant connecting pipe 153 15 690 1444 63 100 220 1507 670 730 153 806 500 bolt hole 700 bolt hole ...

Page 80: ...80 Universal System Air Conditioner MPS Inverter SINGLE A 4 Wiring Diagrams AUUW126B UU12 WUEB ...

Page 81: ...R COMPRESSOR RD BL YL RD LEV CN COM L N BL YL BK BK OR BL BK BR YL REACTOR CN FAN A FAN CN 4WAY CN TH2 CN TH1 CN TH3 CN PRESS LOW PRESS SWITCH CN GND2 CN GND1 SUC DISP I AIR PIPE H SINK 4WV 4WAY VALVE CN COIL2 CN COIL1 MAIN PCB OUTDOOR WIRING DIAGRAM CN LEV1 CN CENTRAL CN JIG PC CN WRITER BR BK BL U V W BR BK BK GN YL 1 L 2 N 1 L 2 N 3 POWER SUPPLY TO INDOOR UNIT BL ...

Page 82: ...N LEV1 U V W CN 4WAY CN HEATER CN P ICE CN PRESS CN OIL S RY C COMP CN COM GND 1 GND 2 CRANKCASE HEATER DEFROST HEATING OPTION 4WV 4WAY VALVE MAIN PCB CN TH2 CN TH1 CN TH3 CN TH4 SUC DISP I DISP C AIR 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 BR L N BR BL BL SV SV...

Page 83: ...L2 CN COIL1 OR OR BL BL BK 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 BL BR RD CONSTANT COMPRESSOR C R S CN TH2 CN TH1 CN TH3 CN TH4 DISP I SUG DISP C AIR PIPE H SINK CN CENTRAL CN JIG PC CN WRITER OPTION LEV CN LEV1 GN YL RY C COMP CN COM GND 1 GND 2 BK BL BR BR L N ...

Page 84: ... 1 CN WRITER V W TH2 L N 1 L CONS COMP OIL SEPERATOR INV LOW PRESSURE SWITCH OPTION CRANKCASE HEATER 4WAY VALVE 4WV SV Power Supply To Indoor Unit 2 N 1 L 2 N 3 AIR PIPE H SINK I SUC DISP DISP C TH1 TH3 TH4 BL BK BK OR BL BK BR YL OR BL BK BR YL REACTOR BL BR BL BR BR BR R S C BR BL RELAY BL RD WH BL T B BR GN YL GN YL BR BK NOISE FILTER FUSE 250V 20A YL YL Notes BL RD YL BLUE RED YELLOW BK OR GN ...

Page 85: ...DISP_A DISP_B DISP_C TH1 TH3 TH4 TH5 BL OR BL BK BR YL REACTOR BL BL BL BL BR BL BR WH BR BR BL BL RY C COMP T B T B BR GN YL GN YL BR BK BK BK NOISE FILTER FUSE 250V 20A YL CN HEATER OPTION CRANKCASE HEATER CONS COMP B C R S RD C R S Power Supply A UNIT Single only B UNIT C UNIT D UNIT WIRING OF FIELD CONNECTING WIRE Tm 1Ø 220 240V 50Hz NOTE FMo INV CONS TH OUTDOOR FAN MOTOR INVERTER CONSTANT TYP...

Page 86: ...d Piping Reversing Valve Refrigerant Flow Cooling Heating Thermistor Drier Thermistor Thermistor Thermistor L E V Accumulator r Constant Compressor Low Pressure S W Inverter Compressor Heat Exchanger Check Valve Check Valve Reversing Valve Oil Seperator OUTDOOR UNIT Refrigerant Flow Cooling Heating Gas Ø 12 7mm Liquid Ø 6 35mm Field Piping AUUW186B UU18 WUEB AUUW246B UU24 WUEB Solenoid Valve Solen...

Page 87: ...ng Valve Oil Seperator OUTDOOR UNIT Refrigerant Flow Cooling Heating Gas Ø 15 88mm Liquid Ø 6 35mm Field Piping Drier L E V Check Valve Check Valve Low Pressure S W Receiver Heat Exchanger Reversing Valve OUTDOOR UNIT Refrigerant Flow Cooling Heating Thermistor Thermistor Oil Seperator Accumulator Constant Compressor Inverter Compressor Thermistor Gas Ø 15 88mm Liquid Ø 6 35mm Field Piping Solenoi...

Page 88: ...w Pressure S W Thermistor Receiver Drier Check Valve Check Valve Solenoid Valve L E V Accumulator Heat Exchanger Inverter Compressor Constant Compressor 1 Constant Compressor 2 Oil Seperator OUTDOOR UNIT Check Valve Thermistor Thermistor Thermistor Field Piping Reversing Valve Fan Thermistor Thermistor Gas Ø 19 05mm Liquid Ø 9 52mm ...

Page 89: ...1 Rated running current of largest motor compressor 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 Recommended circuit breaker is ELCB Earth Leakage circuit breaker 6 MSC RLA are measured as the compressor only test condi tion 7 MSC values 10 28 MSC of inv comp const comp 8 RLA is measured during each individua...

Page 90: ...DB 10 5 21 43 46 18 32 Continuous operation Operative 15 10 16 30 Operative 24 Outdoor Unit C DB Indoor Unit C DB Heating Operative Intermittent operation due to the operational conditions indoor outdoor temperature humidity load etc can cause the heating capacity to decrease Warming up Operation Continuous operation ...

Page 91: ...ore than 30cm Fence or obstacles More than 70cm More than 50cm More than More than 30cm 30cm More than 30cm Sunroof More than 50cm Service space More than 30cm Fence or obstacles More than 70cm More than 50cm More than More than 30cm 30cm More than 30cm Sunroof Ensure that the space around the back is more than 30cm and sides is more than 30cm The front of the unit should have more than 70cm of sp...

Page 92: ...left sides of unit Rear Front A 750 mm or more B 250 mm or more C 150 mm or more Top View Side View When unit is surrounded by walls When there is an obstructure above the unit A 45 or more B 200 mm or more C 250 mm or more D 1000 mm or more E Air outlet guide procured at the site F 250 mm or more C A B C A B A B B B A B C E D F ...

Page 93: ...nd use the two suspension points each at the front and rear Always lift the unit with ropes attached at four points so that impact is not applied to the unit Attach the ropes to the unit at an angle of 40 or less Use two ropes at least 7 m long Caution Be very careful to carry product Do not have only one person carry product if it is more than 20 kg PP bands are used to pack some products Do not ...

Page 94: ...tdoor unit Indoor unit B Gas Liquid Standard Max Standard Max Capacity 18k Btu h 1 2 12 7mm 1 4 6 35mm 7 5 40 5 30 25 12k Btu h 1 2 12 7mm 1 4 6 35mm 7 5 40 5 30 20 24k Btu h 1 2 12 7mm 1 4 6 35mm 7 5 50 5 30 30 30k Btu h 5 8 15 88mm 1 4 6 35mm 7 5 50 5 30 35 36k Btu h Extra refrigerant Extended length Rated length x Additional refrigerant 5 8 15 88mm 1 4 6 35mm 7 5 50 5 30 35 48k Btu h 3 4 19 05m...

Page 95: ...Troubleshooting Guide Service Manual 95 III Troubleshooting Guide Self diagnosis Function 96 Cycle Troubleshooting Guide 97 Electronic Parts Troubleshooting Guide 98 General Information 103 ...

Page 96: ... Out Piping sensor error 6times OFF 07 Differnt mode operation 7times OFF Outdoor Error Error Code Description INV TPS LED 1 Red LED 2 Green Indoor Status 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 Fa...

Page 97: ...le Notice 1 The suction pressure is usually 7 10 5 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 8 C Current near the rated current Temp difference ...

Page 98: ...age 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 output voltage of power transformer 3 IC01D 7812 4 IC02D 7805 5 IC01A KIA7036 Specification 1 AC230V...

Page 99: ...eping 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 temperature regulating and wind speed selecting Check D...

Page 100: ...pressor 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 Check the related circuit of relay in Ou...

Page 101: ... 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 black of CN FAN About AC 160V over About AC 50V over...

Page 102: ...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 operate Trouble 5 If there are no problem...

Page 103: ... 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 Short Open Short Air sensor open short 01 Inlet pipe sensor 02 Communica...

Page 104: ... 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 Outdoor Status 2 times 2 times 2 times 2 ...

Page 105: ...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 Off Off Outdoor Status 4 times 4 times 4 times 4 ...

Page 106: ...ed 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 resistance of the sensor is 0 KΩ or then se...

Page 107: ...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 installation of wired remote controller Noise inter...

Page 108: ...n 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 water 4 Check the volt Of Drain pump powe...

Page 109: ... 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 is correctly connected 5 Che...

Page 110: ... 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 the compressor Nor...

Page 111: ...ng 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 Resistor ...

Page 112: ...oltage 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 ...

Page 113: ...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 Trans1 B Diode Diode Resista...

Page 114: ...onnection 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 component of IGBT 2 Check the components IGBT R04...

Page 115: ...k 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 over load 2 Check the SVC V V open 3 Check the leaka...

Page 116: ...tor 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 resistor 10KΩ at 25 ...

Page 117: ... 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 Model Gross max capacity Max single indoor unit capacity AUUW126B 21k 12k AUUW186B 24k 12K AUUW246B AUUW306B 33k 18K AUUW366B AUUW4860 39k 18K AUUW6060 52k ...

Page 118: ...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 C T1 C T2 C OFF Nor...

Page 119: ...Electronic Control Device Service Manual 119 IV Electronic Control Device Ceiling Cacsette Type 120 Ceiling Duct Type 121 Celing Floor 123 ...

Page 120: ...Electronic Control Device 120 Universal System Air Conditioner Main P C B ASM A 6871A10209 B 58 Ceiling Cacsette Type ...

Page 121: ...Electronic Control Device Service Manual 121 Ceiling Duct Type BH Series ...

Page 122: ...Electronic Control Device 122 Universal System Air Conditioner BG BR Series ...

Page 123: ...Electronic Control Device Service Manual 123 VE Series Ceiling Floor ...

Page 124: ...Electronic Control Device 124 Universal System Air Conditioner VB Series ...

Page 125: ...Service Manual 125 V Schematic Diagram Ceiling Cacsette Type 126 Ceiling Duct Type 127 Celing Floor 128 ...

Page 126: ...Schematic Diagram 126 Universal System Air Conditioner Ceiling Cassette Type ...

Page 127: ...Schematic Diagram Service Manual 127 Ceiling Duct Type ...

Page 128: ...Schematic Diagram 128 Universal System Air Conditioner Ceiling Floor ...

Page 129: ...Service Manual 129 Functional Description VI Functional Description Ceiling Cacsette Type 130 Ceiling Duct Type 132 Celing Floor 135 Outdoor Units 138 ...

Page 130: ...ontroller control Cooling Mode Operation When selecting the Cooling Mode Operation the unit will operate according to the setting by the remote con troller and the operation diagram is as following Swirl Swing Control Vane 2 4 is almost vane closed while vane1 3 is opened Vane 1 3 and vane 2 4 turn over minutely Intake Air Temperature Thermo On SET TEMPERATURE 0 5 C Thermo Off SET TEMPERATURE 0 5 ...

Page 131: ...The operation diagram is as following 21 C 23 C 32 C 29 C 17 C Pipe temperature OFF Indoor fan speed LO LOW LOW SELECTED FAN LOW LOLOW COMP ON COMP Outdoor fan Indoor fan 4way valve Setting Temperature Thermo ON Setting Temperature 3 C Thermo OFF Indoor unit Heat Exchanger temperature 1min Minimum 3min 1min 3min Setting fan spped Setting fan spped Setting fan spped ON ON ON ON Low Low Low Low Low ...

Page 132: ...speed fan speed fan speed COMPRESSOR ON OFF ON OFF ON INDOOR FAN Low Low Soft Dry Operation The indoor fan speed is automatically set to the low so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by microcontroller control Cooling Mode Operation When selecting the Cooling Mode Operation the unit will operate according to the setting ...

Page 133: ... unit Heat Exchanger temperature 1min Minimum 3min 1min 3min Setting fan spped Setting fan spped Setting fan spped ON ON ON ON Low Low Low Low Low Lo Off Off Off ON OFF OFF Low fan during 10sec A A B B Intake Air Temperature Compressor off interval While the indoor Heat Exchanger temperature is higher than 40 C fan operates at low speed when it becomes lower than 40 C fan stops For eluminating lat...

Page 134: ...an does not rotate until the indoor unit Hex Exchanger temperature reaches 27 C The operation diagram is as following ON ON Off Off Low Low 1min 1min 20 C 27 C 33 C Indoor unit Heat Exchanger temperature Setting fan spped Setting fan spped Compressor Outdoor fan Indoor fan 4way Valve ON ...

Page 135: ...ry Operation by microcontroller control Cooling Mode Operation When selecting the Cooling Mode Operation the unit will operate according to the setting by the remote controller and the operation diagram is as following Intake Air Temperature SET TEMPERATURE 0 5 C Thermo ON SET TEMPERATURE 0 5 C Thermo OFF More than More than 3 minutes 3 minutes Selecting Selecting Selecting fan speed fan speed fan...

Page 136: ... Indoor unit Heat Exchanger temperature 1min Minimum 3min 1min 3min Setting fan spped Setting fan spped Setting fan spped ON ON ON ON Low Low Low Low Lo Low Off Off Off ON OFF OFF Low fan during 10sec A A B B Intake Air Temperature Compressor off interval While the indoor Heat Exchanger temperature is higher than 35 C fan operates at low speed when it becomes lower than 35 C fan stops For eluminat...

Page 137: ... not rotate until the indoor unit Hex Exchanger temperature reaches 21 C The operation diagram is as following ON ON Off Low Low 1min 21 C 17 C 32 C Indoor unit Heat Exchanger temperature Setting fan spped Setting fan spped Compressor Outdoor fan Indoor fan 4way Valve ON ...

Page 138: ...ller Cooling mode Heating mode Stop state Compressor Step Control Step Control stop Fan Step Control Step Control After 30sec Off EEV PID Control PID Control After 60sec Full Open 4 way valve Off On After 30sec Off Step_base Standard frequency step by Qj Summation of capacity code Long piping Comp Step compensation by setting long piping Step_TAO step compensation by TAO Outdoor temp Step_TAI step...

Page 139: ...base value follows the maximum step value The compressor get the minimum step in case Step_base value is lower than the minimum step of operating capacity Compressor operation range Control Capacity Load Inv Inv Inv Const Const 1 Const 2 1 comp model 2 comp model 3 comp model Inv Inv Inv C C1 C2 ...

Page 140: ...ulse up T superheating 2 C LEV pulse down T superheating 2 C 2 Target Temperature Control Cooling mode In case outdoor temperature 39 Target superheating T target Tin 18 C LEV pulse up T target 18 C LEV pulse down T target 18 C 3 Target Temperature Control Heating mode LEV pulse up T target Tout LEV pulse down T target Tout 4 LEV pulse change Value ...

Page 141: ... A Fan B 4 High High 3 Low Low 2 High X 1 Low X 0 X X Step_Fan Step_Fan 1 Step_Fan 2 Step_Fan 1 Step_Fan 2 41 C 38 C 28 C 22 C Step_Fan 2 Step_Fan 1 Step_Fan 1 Cooling Single FAN Cooling two FAN Outdoor temperature Step_Fan 3 10 C Step_Fan Step_Fan 1 Step_Fan 2 Step_Fan 1 Step_Fan 2 Step_Fan 4 Step_Fan 1 Step_Fan 1 20 C 14 C 4 C 3 C Heating Single FAN Heating two FAN Outdoor temperature ...

Page 142: ... is speed up its revolution till 100 Hz Option 2 Every LEV have 350 pulse Option of opening when starts defrosting operation 3 Reversing valve is OFF after 5 seconds from arriving the compressor operating frequency of 30 Hz and then fans of indoor units turn OFF including the indoor unit with being OFF except the remote controller is being OFF 4 After 5 seconds minutes from the time arriving 30 Hz...

Page 143: ...tiond control 2 3 Oil return control 2 3 1 Operating Contion 1 When the continuous running time is over 3hr option oil returning operation is made for 3min In case of the initial operation oil returning operation is made after completing initial operation 2 After defrost and oil returning operation the continuous running time is resetted 2 3 2 Operation Process 1 EEV Full open Hot gas bypass valve...

Page 144: ...s operation Operating process Once change the operating HZ to 50 option and recover to the last value 2 4 2 MPS system in heating cooling Operating condition 1 When the continuous inverter compressor running time at under 40 Hz option is over 2 hours option in 2 com pressor system oil restoring operation is made 2 If compressor operating Hz is below 40 Hz by the safety control the accumulated time...

Page 145: ... fulfilled at the same time Outdoor temperature D pipe temperature Heat sink temperature below 0 C 2 5 2 Constant compressor sump heater option An optional function protecting constant compressor from damages by increasing oil viscosity in low outdoor Temperature For this function heater operates before compressor starting Operating condition before the starting of compressor outdoor temperature b...

Page 146: ...ror code for high discharge will be generated Both cases unit will stop 2 Compressor working a If discharge pipe temperature º T1 No limitation on compressor frequency b T2 discharge pipe temperature º T off Hysteresis control Compressor frequency down by 5Hz and expansion valve up by 10 pulse in every 1 min c Discharge pipe temperature Toff Compressor will be off Expansion valve 10 Pulse Up 10 Pu...

Page 147: ...ressor working a If discharge pipe temperature T1 Compressor ON LEV on time control b T2 discharge pipe temperature Toff Hysteresis control Expansion valve up by ßpulse every 1 min If LEV is in the starting control it will follow it as it is c Discharge pipe temperature Toff Compressor will be OFF System will stop if this situation occurs 5 times in 1 hour and error code will be generated COMP Ste...

Page 148: ...ng 3 CT 1 detection a If total current exceeds CT1 value reduce 1 step of operating Hz Step down 10Hz from current step If new Hz is below cooling Fc min heating Fh min then turn off the compressor b After step down if the total current exceed i1 for more than 5 sec then step down 1 more step c If the current continue below i1 for more than 1 min return the Hz to setting Hz 4 CT 2 detection a If t...

Page 149: ... limitation on compressor frequency b T2 heat sink temperature Toff Compressor frequency down by 5 Hz c Heat sink temperature Toff Compressor will be off System will stop if this situation occurs 5 times in 1 hour and error code will be generated also self diagnosis will start If high temperature situation occurs 5 times in 1 hr system counts 1 error and after that 4 times if this situation occurs...

Page 150: ...Exploded View Replacement Parts List 150 Universal System Air Conditioner VII Exploded View Replacement Parts List Indoor Unit 151 Outdoor Unit 169 Panel Assembly Front 179 ...

Page 151: ...ded View Replacement Parts List Service Manual 151 354211 249951 266090 268714 266012 35211A 352118 330870 158591 159830 263230 1 354211 263230 2 263230 3 ATNH EL Ceiling Cassette Type Ceiling Cassette 4 way ...

Page 152: ...Exploded View Replacement Parts List 152 Universal System Air Conditioner 346811 130411 359011 W0CZZ 267110 2 267110 1 130911 1 130911 2 152150 152150 2 ...

Page 153: ...Exploded View Replacement Parts List Service Manual 153 249951 266090 268714 330870 159830 354211 1 158591 352118 1 266012 552111 352118 2 354211 2 349490 263230 1 263230 2 263230 3 ATNH FL ...

Page 154: ...Exploded View Replacement Parts List 154 Universal System Air Conditioner 346810 130411 359012 W0CZZ 267110 2 267110 1 130911 1 130911 2 W48300 W48300 152150 1 152150 2 ...

Page 155: ...Exploded View Replacement Parts List Service Manual 155 266090 130411 354211 1 158591 330870 352118 1 266012 552111 159830 354211 2 249951 268714 263230 1 263230 2 263230 3 249941 352118 2 ATNH DL ...

Page 156: ...Exploded View Replacement Parts List 156 Universal System Air Conditioner 130411 346810 359012 130911 1 352150 2 W0CZZ 130911 2 267110 1 267110 2 349600 352150 ...

Page 157: ...601A20001G R 266090 H V ASSEMBLY 6609A20005C 6609A20005C R 267110 1 REMOTE CONTROLLER ASSEMBLY 6711A20096B 6711A20096B R 267110 2 REMOTE CONTROLLER ASSEMBLY 6711A20076J 6711A20076J R 330870 DRAIN PAN ASSEMBLY 3087A10002A 3087A10002A R 346811 MOTOR ASSEMBLY SINGLE 4681AC2026E 4681AC2026C R 35211A TUBE ASSEMBLY SUCTION INDOOR 5211A20243M 5211A20243N R 354211 EVAPORATOR ASSY BENDING 5421A10006A 5421A...

Page 158: ...MBLY 6711A20096B 6711A20096B R 267110 2 REMOTE CONTROLLER ASSEMBLY 6711A20076J 6711A20076J R 268714 PWB PCB ASSEMBLY MAIN 6871A10209G 6871A10209H R 330870 DRAIN PAN ASSEMBLY 3087A10010B 3087A10010B R 346810 MOTOR ASSEMBLY INDOOR 4681A20051Z 4681A20051W R 349490 ORIFICE ASSEMBLY 4949A10007B 4949A10007B R 352118 1 TUBE ASSEMBLY MENIFOLD INDOOR 5211A20251Q 5211A20251K R 352118 2 TUBE ASSEMBLY MENIFOL...

Page 159: ... 6711A20096B 6711A20096B 6711A20096B R 267110 2 REMOTE CONTROLLER ASSEMBLY 6711A20076J 6711A20076J 6711A20076J R 330870 DRAIN PAN ASSEMBLY 3087A10006A 3087A10006A 3087A10006A R 346810 MOTOR ASSEMBLY INDOOR 4681A20006J 4681A20006H 4681A20006M R 354211 1 EVAPORATOR ASSY BENDING 5421A10016A 5421A10016A 5421A10016A R 354211 2 EVAPORATOR ASSY BENDING 5421A10016B 5421A10016B 5421A10016B R 552111 TUBE AS...

Page 160: ...160 Universal System Air Conditioner 346810 359012 2 354210 552111 152302 352118 330870 W0CZZ 336610 2 267110 2 267110 1 OPTION 336610 1 359012 1 336610 1 268714 263230 1 263230 3 249951 263230 2 ABNH HL ABNH GL Ceiling Concealed Duct Type ...

Page 161: ...ploded View Replacement Parts List Service Manual 161 267110 2 268714 263230 2 267110 1 OPTION 346810 263230 1 336610 1 336610 2 359012 2 359012 1 354210 W0CZZ 249951 330870 263230 3 552111 352118 ABNH RL ...

Page 162: ...01A10026A 5901A10026A R 359012 2 FAN ASSEMBLY BLOWER 5901A10028B 5901A10028B R W0CZZ CAPACITOR DRAWING 2A00986D 2A00986D R 354210 EVAPORATOR ASSEMBLY FIRST 5421A10027A 5421A20100B R 352118 TUBE ASSEMBLY MENIFOLD INDOOR 5211A20416J 5211A20465G R 552111 TUBE ASSEMBLY CAPILLARY 5211A20693E 5211A20466N R 330870 DRAIN PAN ASSEMBLY 3087A10008B 3087A10008B R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A14002E...

Page 163: ...0026A 5901A10026A R 359012 2 FAN ASSEMBLY BLOWER 5901A10028J 5901A10028A R W0CZZ CAPACITOR DRAWING 2A00986D 2A00986D R 354210 EVAPORATOR ASSEMBLY FIRST 5421A10027A 5421A10027A R 552111 TUBE ASSEMBLY DISTRIBUTOR 5211A20693E 5211A20693E R 352118 TUBE ASSEMBLY MENIFOLD INDOOR 5211A20416J 5211A20416J R 330870 DRAIN PAN ASSEMBLY 3087A10008A 3087A10008A R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A14002G 4...

Page 164: ...59012 1 FAN ASSEMBLY BLOWER 5901A10051A 5901A10051A R 359012 2 FAN ASSEMBLY BLOWER 5901A10053A 5901A10053A R W0CZZ CAPACITOR DRAWING 0CZZA20001B 0CZZA20001B R 354210 EVAPORATOR ASSEMBLY FIRST 5421A20212B 5421A20210B R 330870 DRAIN PAN ASSEMBLY 3087A20025A 3087A20025A R 249951 1 CONTROL BOX ASSEMBLY INDOOR 4994A20001C 4994A22001C R 249951 2 CONTROL BOX ASSEMBLY INDOOR 4995A22003G 4995A22003H R 2687...

Page 165: ...loor Type 152302 135313 137211 135310 267110 1 W4810 352150 147581 131410 W0CZZ 266000 330870 268715 263230 1 268716 266000 733010 268712 146811 147582 145200 354212 35211B 346810 359011 330780 342800 135500 131410 249951 263230 2 INSTALL MANUAL OWNERS MANUAL AVNH EL ...

Page 166: ...al System Air Conditioner 130911 35211A 342800 359011 152302 330870 354210 352115 249951 268714 W0CZZ 266000 1 346810 268712 237900 235450 146811 147582 145200 266000 2 352150 267110 1 137211 135314 267110 2 OPTION 260230 1 260230 2 260230 3 AVNH BL ...

Page 167: ...0780 CUT OFF 3078A20001A R 330870 DRAIN PAN ASSEMBLY 3087A10018A R 342800 BEARING 4280A20004A R 346810 MOTOR ASSEMBLY INDOOR 4681A20131A R 35211B TUBE ASSEMBLY TUBING 5211A21217B R 352115 TUBE ASSEMBLY EVAPORATOR IN 5211A25012B R 352116 TUBE ASSEMBLY EVAPORATOR OUT 5211A22007B R 352150 HOSE ASSEMBLY DRAIN 5251AR2575Q R 354212 EVAPORATOR ASSEMBLY FINAL 5421A10044B R 359011 FAN ASSEMBLY CROSS FLOW 5...

Page 168: ...A 6711A20096A R 268712 PWB PCB ASSEMBLY DISPLAY 6871AQ3263B 6871AQ3263B 6871AQ3263B R 268714 PWB PCB ASSEMBLY MAIN 6871A10025A 6871A10025B 6871A10025C R 330870 DRAIN PAN ASSEMBLY 3087AP7233A 3087AP7233A 3087AP7233A R 342800 BEARING 3H02821B 3H02821B 3H02821B R 346810 MOTOR ASSEMBLY INDOOR 4681AP2306M 4681AP2306N 4681AP2306P R 352115 TUBE ASSEMBLY EVAPORATOR IN 5211AP2810Q 5211AP2810R 5211AP2810R R...

Page 169: ...35511 567480 1 567480 2 552203 1 552203 2 554160 552113 2 561410 551410 W0CCZ 554032 435512 559010 435301 546810 447910 437211 S E R V IC E M A N U A L O W N E R S M A N U A L IN S T A L L M A N U A L 437212 261704 566000 552204 W49810 Model No AUUW126B UU12 WUEB AUUW186B UU18 WUEB Outdoor Unit 552113 2 430411 152503 ...

Page 170: ...UT 5211A21366D 5211A12011A R 552203 1 VALVE SERVICE Ø12 7 5220A20001A 5220A20006A R 552203 2 VALVE SERVICE Ø6 35 5220A20007A 5220A20007A R 552116 TUBE ASSEMBLY REVERSING 5211A00029A 5211A20493P R 554032 CONDENSER ASSEMBLY FINAL 5403A10013H 5403A20072N R 554160 COMPRESSOR 5416A90015A 5416A90015A R 558511 DRIER ASSEMBLY 5851A30004A 5851A30004A R 559010 FAN ASSEMBLY PROPELLER 5901A10032A 5901A10032A ...

Page 171: ...61400 554160 2 552204 552203 1 552203 2 561410 554031 435512 559010 435301 349480 546810 447910 437210 S E R V IC E M A N U A L O W N E R S M A N U A L IN S T A L L M A N U A L 137213 2 137213 1 435300 261704 649950 552204 566000 558511 548490 268711 6 349600 552111 552116 352113 Model No AUUW246B UU24 WUEB 152503 430410 ...

Page 172: ...ATOR ASSEMBLY MECH 4849A22003H R 552111 TUBE ASSEMBLY CAPILLARY 5211A22009F R 552113 TUBE ASSEMBLY CONDENSER OUT 5211A21366A R 552115 TUBE ASSEMBLY MENIFOLD OUTDOOR 5211A21440A R 552116 TUBE ASSEMBLY REVERSING 5211A22111A R 552203 1 VALVE SERVICE Ø12 7 5220A20006A R 552203 2 VALVE SERVICE Ø6 35 5220A20007A R 552204 VALVE SOLENOID 5220A90002C R 554031 CONDENSER ASSEMBLY BENT 5403A20070B R 554160 1 ...

Page 173: ...31 447910 435512 435301 437211 349480 349480 S E R V IC E M A N U A L IN S T A L L M A N U A L O W N E R S M A N U A L 137213 2 137213 1 435300 548490 552115 552111 552116 352113 435511 649950 268711 6 349600 W0CZZ 1 W0CZZ 2 552204 558511 261704 W49810 552113 552204 552203 1 552203 2 567480 1 263230 1 567480 2 561410 430410 152503 ...

Page 174: ...EMBLY MECH 4849A22003L R 552111 TUBE ASSEMBLY CAPILLARY 5211A22010D R 552113 TUBE ASSEMBLY CONDENSER OUT 5211A21366B R 552115 TUBE ASSEMBLY MENIFOLD OUTDOOR 5211A21447A R 552116 TUBE ASSEMBLY REVERSING 5211A20896B R 552203 1 VALVE SERVICE INVERTER 5220A20013A R 552203 2 VALVE SERVICE CONSTANT 5220A20007A R 552204 VALVE SOLENOID BODY 5220A90002C R 554031 CONDENSER ASSEMBLY BENT 5403A20168B R 554160...

Page 175: ...47910 566000 552116 546810 1 546810 2 435301 352114 552113 552111 552113 558511 567480 1 567480 2 263230 1 352112 548490 554031 1 559010 268711 6 437210 435511 137213 S E R V IC E M A N U A L IN S T A L L M A N U A L O W N E R S M A N U A L 554160 1 554160 2 552203 2 552203 1 Model No AUUW366B UU36 WUHB 152503 430411 ...

Page 176: ...546810 2 MOTOR ASSEMBLY OUTDOOR 4681A20028Q R 552111 TUBE ASSEMBLY CAPILLARY 5211A10430E R 552113 TUBE ASSEMBLY CONDENSER OUT 5211A21457A R 552116 TUBE ASSEMBLY REVERSING 5211A21188C R 548490 ACCUM ASSEM 5211A21187A R 552203 1 VALVE SERVICE INVERTER 5220A20013A R 552203 2 VALVE SERVICE CONSTANT 5220A20007A R 554031 1 CONDENSER ASSEMBLY BENT 5403A20116J R 554031 2 CONDENSER ASSEMBLY BENT 5403A20116...

Page 177: ...2 4 552112 1 55211E 55211G 137213 352112 552113 2 552113 1 430410 552112 2 558511 137213 661400 649950 561410 1 352114 346811 268711 6 554030 3 554030 1 549610 559010 435512 435301 437211 435310 W0CCZ 2 W0CCZ 1 554030 2 546810 554030 4 548490 2 554160 2 567480 1 263230 1 567480 2 561410 2 552116 554160 1 554160 2 552203 1 552203 2 552112 3 346811 263230 2 ...

Page 178: ... ASSEMBLY CONDENSER IN 5211A10480B 5211A10480B R 552112 3 TUBE ASSEMBLY CONDENSER IN 5211A10480E 5211A10480E R 552112 4 TUBE ASSEMBLY CONDENSER IN 5211A10480F 5211A10480F R 552113 1 TUBE ASSEMBLY CONDENSER OUT 5211A10481A 5211A10481A R 552113 2 TUBE ASSEMBLY CONDENSER OUT 5211A10481B 5211A10481B R 552116 TUBE ASSEMBLY REVERSING 5211A21324C 5211A21324C R 55211G TUBE ASSEMBLY EXPANSION 5211A11049A 5...

Page 179: ...Exploded View Replacement Parts List Service Manual 179 152312 435313 137211 268712 146811 135802 PT HEA C Panel Assembly Front ...

Page 180: ...Exploded View Replacement Parts List 180 Universal System Air Conditioner 152312 135314 137211 268712 146811 PT HFA C ...

Page 181: ...Exploded View Replacement Parts List Service Manual 181 152312 135314 146811 137211 268712 135802 PT HDA C ...

Page 182: ...Y FRONT INDOOR 3721A10106A 3721A10106B R 135314 GRILLE ASSY INLET 3531A10066A 3531A10066A R 152312 FILTER ASSY AIR CLEANER 5231A10004A 5231A10004A R 146811 MOTOR ASSEMBLY STEP 4681A20055A 4681A20055A R 268712 PWB PCB ASSEMBLY DISPLAY 6871A20096J 6871A20096J R 135802 DOOR 3580A20005A 3580A20005A R PT HDA PT HDC LOCATION No DESCRIPTION Part No SVC CODE 137211 PANEL ASSEMBLY FRONT INDOOR 3721A10072A ...

Page 183: ...P No 3828A22009B Printed in Korea ...

Search results

Summary of Contents for ABNH186HLAB

Reviews:

Related manuals for ABNH186HLAB

Brands by name

Popular brands

LG ABNH186HLAB, Service Manual

Search results

Summary of Contents for ABNH186HLAB

Reviews:

Related manuals for ABNH186HLAB

Brands by name

Popular brands