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THROUGH THE WALL AIR CONDITIONER

SERVICE MANUAL

CAUTION

- BEFORE SERVICING THE UNIT, 
  READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
- ONLY FOR AUTHORIZED SERVICE

MODEL: LXA0810ACLY3 

LXA1010ACLY3/LXA1011AALY3
LXA1030ACLY3
LXA1210ACLY3/LXA1211AALY3
LXA1230ACLY3
LXA1030AXLY3/LXA1011AHL
LXA1230AXLY3/LXA1211AHL

Summary of Contents for LXA0810ACLY3

Page 1: ...UTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE MODEL LXA0810ACLY3 LXA1010ACLY3 LXA1011AALY3 LXA1030ACLY3 LXA1210ACLY3 LXA1211AALY3 LXA1230ACLY3 LXA1030AXLY3 LXA1011AHL LXA1230AXLY3 LXA1211AHL ...

Page 2: ...IRCUIT DIAGRAM 29 6 EXPLODED VIEW 31 7 REPLACEMENT PARTS LIST 32 1 PREFACE This SERVICE MANUAL provides various service information including the mechanical and electrical parts etc This room air conditioner was manufactured and assembled under a strict quality control system The refrigerant is charged at the factory Be sure to read the safety precautions prior to servicing the unit 1 1 SAFETY PRE...

Page 3: ...OL ROTARY SWITCH ROOM TEMPERATURE CONTROL THERMOSTAT VERTICAL LOUVER RIGHT LEFT HORIZONTAL LOUVER UP DOWN CONSTRUCTION TOP DOWN COMPRESSOR FAN MOTOR INTERNAL THERMAL PROTECTOR 1 6m 3WIRE WITH GROUNDING ATTACHMENT PLUG CORD CONNECTED TYPE DRAIN SYSTEM SPLASHED BY FAN SLINGER NET WEIGHT lbs kg 72 33 79 36 80 37 DIMENSION inch W x H x D mm SLEEVE DIMESION inch W x H x D mm SLEEVE DEPTH inch WITH FRON...

Page 4: ...700 1 030 1 050 1 200 1 230 5 2 4 7 6 2 5 8 9 5 9 5 26 7 DB 19 4 WB 35 DB 23 9 WB 440 15 0 OZ 465 16 4 OZ 2 ROW 12 STACKS 3 ROW 12 STACKS 2 ROW 17 STACKS L BENDED TYPE TURBO FAN PROPELLER TYPE FAN WITH SLINGER RING 2 3 6 POLES ROTARY SWITCH THERMOSTAT VERTICAL LOUVER RIGHT LEFT HORIZONTAL LOUVER UP DOWN TOP DOWN EXTERNAL OVERLOAD PROTECTOR INTERANL THERMAL PROTECTOR 1 6m 3 WIRE WITH GROUDING ATTAC...

Page 5: ...230 5 2 4 7 6 2 5 8 9 5 9 5 9 200 11 200 2 900 3 500 14 0 15 3 26 7 DB 19 4 WB 35 DB 23 9 WB 21 1 DB 15 6 WB 8 3 DB 6 1 WB 455 16 0 OZ 475 16 8 OZ 2 ROW 12 STACKS 3 ROW 12 STACKS 2 ROW 17 STACKS L BENDED TYPE TURBO FAN PROPELLER TYPE FAN WITH SLINGER RING 1 2 2 6 POLES ROTARY SWITCH THERMOSTAT VERTICAL LOUVER RIGHT LEFT HORIZONTAL LOUVER UP DOWN TOP DOWN 3 5KW 230V EXTERNAL OVERLOAD PROTECTOR INTE...

Page 6: ... runs constantly while operation knob is set to the Cool position You can access the Energy Saver switch when you open the inlet grille Side air intake side cooled air discharge Built in adjustable THERMOSTAT Washable one touch filter Compact size 6 PULL OPEN PUSH CLOSE Off On Energy Saver Med Fan Off Low Fan High Cool Med Cool Low Cool Operation 6 7 8 9 5 1 2 3 4 Thermostat Cooler Off Turns air c...

Page 7: ... control to the desired setting The central position is a normal setting for average conditions You can change this setting if necessary in accordance with your temperature preference The thermostat automatically controls cooling or heating but the fan runs continuously whenever the air conditioner is in operation If the room is too warm turn the thermostat control clockwise If the room is too coo...

Page 8: ...ROL BOX 1 Remove the front grille Refer to section 2 1 1 2 Remove the screw which fasten the control box See Fig 3 3 Pull the control box from the barrier See Fig 3 4 Discharge the capacitor by placing a 20 000 ohm resistor across the capacitor terminals 5 Disconnect two wire housings in the control box 6 Pull the control box forward completely 7 Re install the components by referring to the remov...

Page 9: ...g 5 7 Remove the orifice See Fig 5 8 Remove the clamp which secures the turbo fan with plier See Fig 6 9 Remove the turbo fan with plier or your hand without touching blades See Fig 7 10 Re install the components by referring to the removal procedure above 2 2 2 FAN 1 Remove the cabinet Refer to section 2 1 2 2 Remove the brace and shroud cover Refer to section 2 2 1 3 Remove the 6 screws which fa...

Page 10: ...ry system install one such as a WATCO A 1 before venting the FreonTM Leave the valve in place after servicing the system 3 Disconnect the 3 leads from the compressor 4 After purging the unit completely unbraze the suction and discharge tubes at the compressor connections 5 Remove the 3 nuts and the 3 washers which fasten the compressor See Fig 11 6 Remove the compressor 7 Re instill the components...

Page 11: ...ecification marked on the supply cord fitted to the unit 2 3 5 THERMOSTAT 1 Remove the control box Refer to section 2 1 3 2 Unfold the control box Refer to section 2 3 3 3 Remove the 2 screws which fasten the thermostat 4 Disconnect all the leads of thermostat terminals 5 Remove the thermostat See Fig 14 6 Re install the components by referring to the removal procedure above 2 3 6 ROTARY SWITCH 1 ...

Page 12: ...orator at the left side and the right side 4 Move the evaporator sideward carefully and then unbraze the interconnecting tube at the evaporator connectors 5 Remove the evaporator 6 Re install the components by referring to notes See Fig 17 2 4 3 CAPILLARY TUBE 1 Remove the cabinet Refer to section 2 1 2 2 After discharging the refrigerant completely unbraze the interconnecting tube at the capillar...

Page 13: ...ifold connection 5 The system is now ready for final charging 6 Recharge as follows 1 Refrigeration cycle systems are charged from the High side If the total charge cannot be put in the High side the balance will be put in the suction line through the access valve which you installed as the system was opened 2 Connect the charging cylinder as shown in Fig 18B With valve C open discharge the hose a...

Page 14: ...or proof seal Leak detector Tubing cutter Hand Tools to remove components Service valve A COMPOUND GAUGE EVAPORATOR LOW PRESSURE SIDE COMPRESSOR CAPILLARY TUBE CONDENSER HIGH PRESSURE SIDE SEE INSETS BELOW MANIFOLD GAUGE B Figure 18A Pulling Vacuum Figure 18B Charging A B EXTERNAL VACUUM PUMP A CHARGING CYLINDER LOW HI B C ...

Page 15: ...ALLATION HARDWARE 14 13 32 366 mm 24 21 32 626 mm 18 458 mm 19 21 32 499 mm 1 4 5 6 7 3 2 8 2 Size options 2 Size options To avoid risk of personal injury property damage or product damage due to the weight of this device and sharp edges that may be exposed Air conditioners covered in this manual pose an excessive weight hazard Two or more people are needed to move and install the unit To prevent ...

Page 16: ...Qty Plastic grille 263 4 x 161 2 1 Horizontal Insulation Strips 13 8 x 5 8 x 273 16 1 13 8 x 13 8 x 273 16 1 Around Insulation Strips 13 8 x 3 4 x 611 2 1 13 8 x 13 8 x 611 2 1 Support Block 13 4 x 13 8 x 45 16 2 Baffle 14 x 41 2 x 1 8 1 Shim 13 x 1 x 3 4 2 Trim Frame 2 Washer Screw 4 Nuts Plastic 4 1 2 3 4 5 6 1 4 Wall Sleeve FRONT UNIT FIG 20 We strongly recommend the removal of the old wall sle...

Page 17: ...ottom of the sleeve as shown below Remove the backing from the Around Insulation strip 13 8 x 3 4 x 611 2 and attach that to the inside front of the sleeve as shown below Install the new unit into the wall sleeve To assemble trim snap the tab of each piece into the slot of the other piece as shown below Slide trim over the front of the air conditioner until trim is flush with sleeve as shown below...

Page 18: ...al Insulation strip 13 8 x 5 8 x 273 16 and attach that to the inside bottom of the sleeve as shown below Remove the backing from the Around Insulation strip 13 8 x 3 4 x 611 2 and attach that to the inside front of the sleeve as shown below If the depth of your existing wall sleeve is less than or equal to 18 skip to step 7 Otherwise cut the baffles and the support blocks according to length A in...

Page 19: ...Wall Trim 2 ea FIG 31 Air conditioners covered in this manual pose an excessive weight hazard Two or more people are needed to move and install the unit To prevent injury or strain use proper lifting and carrying techniques when moving unit When handling the air conditioner be careful to avoid cuts from sharp metal fins on front and rear coils Make sure air conditioner does not fall during removal...

Page 20: ...cking from the Horizontal Insulation strip 13 8 x 13 8 x 273 16 and attach that to the inside bottom of the sleeve as shown below Remove the backing from the Around Insulation strip 13 8 x 13 8 x 611 2 and attach that to the inside front of the sleeve as shown below If the depth of your existing sleeve is less than or equal to 18 skip to step 7 Otherwise cut the baffles and the support blocks acco...

Page 21: ...r the front of the air conditioner until trim is flush with sleeve as shown below 8 Air conditioners covered in this manual pose an excessive weight hazard Two or more people are needed to move and install the unit To prevent injury or strain use proper lifting and carrying techniques when moving unit When handling the air conditioner be careful to avoid cuts from sharp metal fins on front and rea...

Page 22: ...sh to use an extension cord use a CSA certified UL listed 3 wire grounding extension cord rated 15A 125V 3 6 1 ELECTRICAL DATA FOR 115V MODEL 3 6 2 ELECTRICAL DATA FOR 230 208V MODEL 3 6 3 ELECTRICAL SAFETY All wiring should be made in accordance with local electrical codes and regulations NOTE Aluminum house wiring may pose special problems Consult a qualified electrician IMPORTANT GROUNDING INST...

Page 23: ...em Refer to Fig 41 to follow the refrigeration cycle and the flow of the refrigerant in the cooling cycle MOTOR COMPRESSOR OIL LIQUID REFRIGERANT CAPILLARY TUBE OUTSIDE COOLING AIR FOR REFRIGERANT PASS THROUGH SUCTION LIME COOL LOW PRESSURE VAPOR COOLED AIR COMPLETE LIQUID BOIL OFF POINT LIQUID PRESSURE DROP ROOM AIR HEAT LOAD VAPOR INLET HOT DISCHARGED AIR LIQUID OUTLET HIGH PRESSURE VAPOR LIQUID...

Page 24: ... gas leakage Repair gas leak Replacement of unit if the unit is beyond repair Satisfactory operation with temperature difference of inlet outlet air 44 6 50 F Check heat load increase Unexpected residue Overloaded Circuit Check of inside gas pressure Adjusting of refrigerant charge Malfunction of compressor Replacement of compressor Check of cold air circulation for smooth flow Dirty indoor coil H...

Page 25: ...lation Replacement of fan motor Regular but fails to start Replacement of compressor locking of rotor metal Improper thermostat setting Loose terminal connection Improper wiring Irregular motor resistance Irregular motor insulation Replacement of compressor Motor damaged Drop of power voltage Check capacitor Replacement Only compressor fails to start Defect of compressor capacitor Check of power s...

Page 26: ...bearings if motor shaft will not rotate replace the motor Check voltage See limits on this page If not within limits call an electrician Test capacitor Check bearings Does the fan blade rotate freely If not replace fan motor Pay attention to any change from high speed to low speed If the speed does not change replace the motor Check grommets if worn or missing replace them If cracked out of balanc...

Page 27: ...n Check the position of knob If not at the coldest setting advance the knob to this setting and restart unit Check continuity of the thermostat Replace thermostat if circuit is open Check the capacitor Replace if not within 10 of manufacturers rating Replace if shorted open or damaged Check the compressor for open circuit or ground If open or grounded replace the compressor Check the compressor ov...

Page 28: ...se causing the compressor to cycle Straighten the fins or replace the coil Test capacitor Check the terminals If loose repair or replace Check the system for a restriction If restricted clean of replace Close if open Determine if the unit is properly sized for the area to be cooled Check the set screw or clamp If loose or missing correct If the blower or fan is hitting air guide rearrange the air ...

Page 29: ... 2 ROTARY SWITCH 2H00598E 1 3 FAN MOTOR 4681A20044G 4681A20044F 4681A20044E 4681A20044D 4681A20041C 1 4 CAPACITOR 6120AR2194P 6120AR2194K 6120AR2194D 2A00986Y 6120AR2194D 1 5 THERMOSTAT 2H01109M 1 6 COMPRESSOR 2520UAFC2AC 2520UKCC2AC 2520UKCK2BA 2520UKGC2DA 2520UKHK2CA 1 7 OVERLOAD PROTECTOR 6750U L005A 6750U L031A 6750U L004A 6750U L028A 6750U 058A 1 Q TY PER SET RE MARKS DESCRIPTION PART NO LXA0...

Page 30: ... RD FUSE LINK BI METAL THERMOSTAT HEATER BL BK RD BL BK BR Plain WH BL Ribbed GN YL 1 3 4 5 6 8 2 7 2H00677U 2H00598F 4681A20044E 4681A20041C 6120AR2359E 2H01127D 6750U L028A 6750U L058A 2520UKGC2DA 2520UKHK2CA 5300A20003A NO 1 2 3 4 5 6 7 8 Q TY PER SET 1 1 1 1 1 1 1 1 RE MARKS DESCRIPTION POWER CORD ROTARY SWITCH FAN MOTOR CAPACITOR THERMOSTAT OVERLOAD PROTECTOR COMPRESSOR ELECTRIC HEATER PART N...

Page 31: ...XLY3 LXA1011AHL LXA1230AXLY3 LXA1211AHL 354210 753010 753011 349480 554031 W48602 559010 346811 349600 349001 130410 W48602 249950 137215 149410 W0CZZ 264110 130900 435301 135312 147581 147582 2 147582 1 352390 148000 149980 359012 266003 269310 152302 135313 E D F A 749180 567502 352113 35211A 352115 554160 550140 552111 C B ...

Page 32: ...1A30587A R 552111 TUBE ASSY CAPILLARY 5211A20214N 5211A20214L 5211A20214Q R D 352390 AIR GUIDE ASSY 5239A10002E R 349001 DAMPER VENTILATION 4900A20001A R E 135312 GRILLE ASSY FRONT 3531A20055A R 135313 GRILLE INLET 3530A20020A R 147581 LOUVER HORIZONTAL 4758A20008B R 147582 1 LOUVER VERTICAL 4758A20009A R 147582 2 LOUVER VERTICAL 4758A20009B R 152302 FILTER MESH A C 5230A20007A R 349480 ORIFICE 49...

Page 33: ...0214K R D 352390 AIR GUIDE ASSY 5239A10002E R 349001 DAMPER VENTILATION 4900A20001A R E 135312 GRILLE ASSY FRONT 3531A20055A R 135313 GRILLE INLET 3530A20020A R 147581 LOUVER HORIZONTAL 4758A20008B R 147582 1 LOUVER VERTICAL 4758A20009A R 147582 2 LOUVER VERTICAL 4758A20009B R 152302 FILTER MESH A C 5230A20007A R 349480 ORIFICE 4948A10006A R 149980 SHROUD 4998A10007A R 346811 MOTOR ASSY SINGLE 468...

Page 34: ...1A20055F R 135313 GRILLE INLET 3530A20020A R 147581 LOUVER HORIZONTAL 4758A20008B R 147582 1 LOUVER VERTICAL 4758A20009A R 147582 2 LOUVER VERTICAL 4758A20009B R 152302 FILTER MESH A C 5230A20007A R F 753010 HEATER ASSY 5301A20011A R 753011 HEATER ASSY ELECTRIC 5300A20003A R 349480 ORIFICE 4948A10006A R 149980 SHROUD 4998A10007A R 346811 MOTOR ASSY SINGLE 4681A20044E 4681A20041C R 349600 MOUNT MOT...

Page 35: ...P No 3828A20294K February 2003 Printed in Korea ...

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