LG LWC051JGAA1 Room Air Conditioner User Manual

LG LWC051JGAA1 Room Air Conditioner

Product Specifications

• Model: LG LWC061JPAA1
• Dimensions (W x H x D): Not provided in the text
• Power Cord: Grounded, undamaged
• Installation: To be done by authorized service personnel
• Usage Caution: Keep away from flammable gas or combustibles

Product Usage Instructions

Safety Precautions
Before using the LG LWC061JPAA1 air conditioner, please ensure to follow these safety precautions:

• Do not use damaged power cord plugs or loose sockets.
• Always use the power plug and socket with the ground terminal.
• Do not attempt to install, remove, or re-install the unit by yourself.
• Exercise caution when unpacking and installing the product.
• Avoid storing or using flammable gas or combustibles near the air conditioner.

Installation
For installation of the LG LWC061JPAA1 air conditioner, follow these steps:

1. Ensure the installation area is stable and does not deteriorate with age.
2. Refer to the provided installation manual for detailed installation instructions.

FAQ

• Q: Can I install the air conditioner by myself?
  A: No, it is recommended to have authorized service personnel handle the installation to prevent any risks.

• Q: What should I do if I encounter a damaged power cord plug?
  A: Do not use the air conditioner with a damaged power cord plug. Contact customer support for assistance on how to proceed with a replacement.

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LG LWC061JPAA1 Owner’s Manual
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LG Room Air Conditioner
SVC MANUAL(Exploded View)

MODEL :

• LWJ0710ACG
• LWJ0515ACW/P
• LWJ0514ACG
• LWC071JGAA0
• LWC061JPAA1/2
• LWC061JGAA1
• LWC051JPAA0
• LWC051JGAA1

CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel.

Safety Precautions

To prevent injury to the user or other people and property damage, the following instructions must be followed.
Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications.

WARNING This symbol indicates the possibility of death or serious injury.
CAUTION This symbol indicates the possibility of injury or damage to property only.

Meanings of symbols used in this manual are as shown below.

Installation

• Do not use damaged power cord plugs, or a loose socket.
  There is risk of fire or electric shock.

• Always use the power plug and socket with the ground terminal.
  There is risk of electric shock.

• Do not modify or extend the power cord.
  There is risk or fire or electric shock.

• Do not install, remove, or re-install the unit by yourself.
  There is risk of fire, electric shock, explosion, or injury.

• Be cautious when unpacking and installing the product.
  Sharp edges could cause injury. Be especially careful of the case edges and the fins on the condenser and evaporator.

• Do not store or use flammable gas or com-bustibles near the air conditioner.
  There is risk of fire or failure of product.

• Be sure the installation area does not deterio-rate with age.
  If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and per-sonal injury.

Dimensions

Symbols Used in this Manual

This symbol alerts you to the risk of electric shock.
This symbol alerts you to hazards that could cause harm to the air conditioner.
This symbol indicates special notes.

Outside Dimensions

Model

Dimension

|

All Model

---|---
W| mm(inch)| 472(18 9/16″)
H| mm(inch)| 312(12 1/4″)
D| mm(inch)| 370(14 9/16″)

Product Specifications

__MODELS

__ITEMS

| LWC051JGAA0 LWJ0514ACG R-5000A| LWC051JGAA1 WR-5220 R5050| LWJ0515AAG WG-5220Y3| LWC061JGAA1 WR-6020

R-6000A

---|---|---|---|---
COOLING CAPACITY (BTU/h)| 5,050| 5,200| 5,250| 6,000
POWER SUPPLY (Phase, V, Hz)| 1ø, 115V, 60HZ
INPUT (W)| 520| 530| 540| 620
OPERATING CURRENT (AMP.)| 4.8| 5.0| 5.8
REFRIGERANT CONTROL| CAPILLARY TUBE
REFRIGERANT CHARGE (R-22)| 225g(7.9 Oz)| 220g (7.8 Oz)| 235g(8.3 Oz)
INSIDE FAN| TURBO
OUTSIDE FAN| ROPELLER FAN WITH SLINGER RING
AIR DISCHARGE| 2-WAY (RIGHT AND LEFT)
CHASSIS| TOP-DOWN
PROTECTOR|

• OVERLOAD PROTECTOR FOR COMPRESSOR
• INTERNAL PROTECTOR FOR FAN MOTOR

TEMPERATURE CONTROL| THERMOSTAT
ROTARY SWITCH| 5 POSITIONS (LOW FAN, HIGH FAN, OFF, HIGH COOL, LOW COOL)
FAN MOTOR| 6 POLES, 19W| 6 POLES, 21W

NOTICE
SPECIFICATIONS ARE SUBJECT TO MINOR CHANGE WITHOUT NOTICE FOR FURTHER IMPROVEMENT.

__

MODELS

__

ITEMS

| __

LWC061JGAA2 R6000A

| __

LWC071JGAA0 R7003

---|---|---
COOLING CAPACITY (BTU/h)| 6,000| 7,000
POWER SUPPLY (Phase, V, Hz)| 1ø, 115V, 60HZ
INPUT (W)| 620| 720
OPERATING CURRENT (AMP.)| 5.8| 6.7
REFRIGERANT CONTROL| CAPILLARY TUBE
REFRIGERANT CHARGE (R-22)| 350g (12.3 Oz)| 315g(11.1 Oz)
INSIDE FAN| TURBO
OUTSIDE FAN| ROPELLER FAN WITH SLINGER RING
AIR DISCHARGE| 2-WAY (RIGHT AND LEFT)
CHASSIS| TOP-DOWN
PROTECTOR|

• OVERLOAD PROTECTOR FOR COMPRESSOR
• INTERNAL PROTECTOR FOR FAN MOTOR

TEMPERATURE CONTROL| THERMOSTAT
ROTARY SWITCH| 5 POSITIONS (LOW FAN, HIGH FAN, OFF, HIGH COOL, LOW COOL)
FAN MOTOR| 6 POLES, 19W

NOTICE
SPECIFICATIONS ARE SUBJECT TO MINOR CHANGE WITHOUT NOTICE FOR FURTHER IMPROVEMENT.

Installation

This air conditioner is designed with a button-down chassis so it can be easily installed in a window.

Select the Best Location

1. To prevent vibration and noise, make sure the unit is installed securely and firmly.
2. Install the unit where the sun does not shine directly on the unit.
3. The outside of the cabinet must extend outward for at least 10″ and there should be no obstacles, such as a fence or wall, within 20″ from the back of the cabinet because it will prevent heat radiation of the condenser. Restriction of outside air will greatly reduce the cooling efficiency of the air conditioner. CAUTION: All side louvers of the cabinet must remain exposed on the outdside of the structure.
4. Install the unit slanted slightly so the back is slightly lower than the front (about 1/4″). This will force con-densed water to the outside.
5. Install the unit with the bottom about 30″~60″ above the floor level.

How to Install

Window Requirements

NOTICE
All supporting parts should be secured to firm wood, masonry, or metal.

This unit is designed for installation in standard double hung windows with actual opening widths of 22″ to 36″. The upper and lower sash must open sufficiently to allow a clear vertical opening of 13″ from the bottom of the sash to the window stool.
If storm window presents interference, fasten a 2″ wide wood strip to the inner window sill across the full width of the sill. The wood strip should be thick enough to raise the height of the window sill so that the unit can be installed without interference by the storm window frame. See Figure. 3. Top of wood strip should be approximately 3/4″ higher than the storm window frame (STORM WIN-DOW FRAME) or wood strip (OUTDOORS) to help con-densation to drain properly to the outside.
Install a second wood strip (approximately 6″ long by 11/2″ wide and same thickness as first strip) in the center of the outer sill flush against the back off the inner sill. This will raise the L bracket as shown Figure. 3.
If the distance between STORM WINDOW FRAME and WOOD STRIP MOUNTED ON TOP OF INNER SILL is more than 1″, two of wood strip are not necessary.

Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes

Installation Kits Contents

HARDWARE

Before Installation (Some models Including Installation Kit)

1. Insert the guide panels into the guides of the air conditioner. Fasten the curtains to the unit with screws (TYPE A), as shown Figure. 4.
2. Cut the adhesive-backed seal strip (TYPE D) to the window width.
3. Remove the backing from the seal strip and attach the seal strip to the underside of the bottom window. (Figure. 5)

Now Start Installation(Some Models Including Installation Kit)

1. Locating Unit in Window
   Open the window and mark center line on the center of the inner sill, as shown in Figure. 6.

2. Attach L Bracket

   • Install the L brackets behind the inner window sill, with the short side of bracket as shown.
     Use the 2 screws (TYPE A) provided.

   • The bracket helps to hold unit securely in place. Be sure to place bracket edge flush against back of inner sill. See Figure.7. CAUTION: During the following step, hold unit firmly until window sash is lowered to top channel behind side panel frames. Personal injury or property damage may result if unit falls from window.

3. Install the Air Conditioner in the Window Install

   • Carefully lift the air conditioner and slide it into the open win-dow. Make sure the bottom guide of the air conditioner drops into the notches of the L bracket. See Figure. 7. IMPORTANT :
     When the air conditioner drops into the L bracket, the air conditioner will be centered in window opening as shown in Figure. 8.

   • While steadying the air conditioner, carefully bring the window sash down behind the upper guide of the air con-ditioner, as shown in Figure. 9.

4. Secure the Guide Panels
   Extend the guide panels (TYPE F) to fill the window opening using 4 screws (TYPE B) to secure them, as shown in Figure. 10.

5. Install the Sash Seal and Sash lock
   Cut the sash seal (TYPE E) to the window width. Stuff the sash seal between the glass and the window to prevent air and insects from getting into the room, as shown in Figure. 10.
   Fasten the L bracket using a (TYPE A) screw, as shown in Figure. 10.

6. • Remove the screws that secure the cabinet and base pan in the right side.
   • Fasten the suport bracket (TYPE G) using a removed screw. Attach the suport bracket (TYPE
   • in the inner window sill with a screw (TYPE B), as shown Figure. 11.

7. Window installation of room air conditioner is now completed. See ELECTRICAL DATA for attaching power cord to electrical outlet.

How to Secure the Drain pipe
In humid weather, excess water may cause the BASE PAN to overflow. To drain the water, remove the DRAIN CAP and secure the DRAIN PIPE to the rear hole of the BASE PAN. (Figure. 12)
Press the drain pipe into the hole by pushing down and away from the fins to avoid injury.

Operation

Feature

• DESIGNED FOR COOLING ONLY
• POWERFUL AND INCREDIBLE COOLING
• TOP-DOWN CHASSIS FOR THE SIMPLE INSTALLATION AND SERVICE
• BUILT-IN ADJUSTABLE THERMOSTAT
• WASHABLE ONE-TOUCH FILTER
• COMPACT SIZE

Insulation Resistance Test

INSULATION RESISTANCE TEST

1. Unplug the power cord and connect a jumper between 2 pins (black and white).
2. The grounding conductor (green or green and yellow) is to be open.
3. Measure the resistance value with an ohm meter between the jumpered lead and each exposed metallic part on the equipment at all positions [except Off] of the ROTARY SWITCH.
4. The value should be over 1 MΩ.

About the jControls or the Air Conditioner

Disassembly

Mechanical Parts

1. FRONT GRILLE

2. Disconnect the unit from source of power.

3. Remove the two knobs by pulling them off.
   Using a screwdriver, remove the screw that secures the front grille to control board. (See Figure 13)

4. Push the front grille up from the bottom.
   Pull the top of the front grille away from the cabinet as the top tabs lift out of their slots. (See Figure 14)

5. Replace the grille by placing the tabs in the slots and push the grille until it snaps into place.

6. CABINET

7. Disconnect the unit from the power source.

8. Remove the front grille. (Refer to section 1)

9. Remove 9 screws that secure the cabinet to the base pan and condenser. (See Figure 15)

10. Lift the cabinet from the unit.

11. Re-install by referring to the procedures above.

12. CONTROL BOARD

13. Disconnect the unit from the power source.

14. Remove the front grille. (Refer to Section 1)

15. Remove the cabinet. (Refer to Section 2)

16. Remove 2 screws that secure the control board to base pan and air guide. (See Figure 16)

17. Pull the control board toward yourself. NOTICE
    Controls, wires, and capacitor are now accessi-ble for servicing. Discharge the capacitor before servicing. See step 2.3.3 on page 8 for proce-dures.

18. Disconnect one housing terminal and 3 wires for the fan motor and compressor. (See Figure 17)

19. Re-install components by referring to procedures above.(Refer to wiring diagram on page 17 in this manual or inside control board.)

20. AIR GUIDE UPPER

21. Disconnect the unit from the power source.

22. Remove the front grille. (Refer to Section 1)

23. Remove the cabinet. (Refer to Section 2)

24. Remove the control board. (Refer to Section 3)

25. Remove 2 screws that secure the brace to air guide upper and shroud. (See Figure 18)

26. Remove 2 screws that secure the air guide upper to air guide lower. (See Figure 8)

27. Lift air guide upper upward.

28. Re-install by referring to the procedures above.

29. ORIFICE, TURBO FAN AND FAN

30. Disconnect the unit from the power source.

31. Remove the front grille. (Refer to Section )

32. Remove the cabinet. (Refer to Section 2)

33. Remove the control board. (Refer to Section 3)

34. Remove the air guide upper. (Refer to Section 24)

35. Remove 2 screws that secure the base pan to con-denser. (See Figure 19)

36. Remove 2 screws that secures the shroud to channel of condenser.

37. Press the snap area of shroud with your thumbs. This allows you to remove it from the condenser.

38. Lift the compressor upward with the evaporator and condenser. (See Figure 19)

39. Remove the orifice by pushing the snap area of the air guide blower. (See Figure 20)

40. Remove the clamp springs which are clamped to the boss of fan and turbo fan by hand plier. (See Figure 21)

41. Pull the fan and turbo fan outward.

42. Remove the shroud.

43. Re-install by referring to the procedures above.

44. MOTOR

45. Disconnect the unit from the power source.

46. Remove the front grille. (Refer to Section 1)

47. Remove the cabinet. (Refer to Section 2)

48. Remove the control board. (Refer to Section 3)

49. Remove the air guide upper. (Refer to Section 4)

50. Remove the compressor, turbo fan, fan and shroud.(Refer to Section 5)

51. Remove 2 screws that secure the motor to the motor. (See Figure 22)

52. Remove the motor.

53. Re-install by referring to the procedures above.

54. AIR GUIDE

55. Disconnect the unit from the power source.

56. Remove the front grille. (Refer to Section 1)

57. Remove the cabinet. (Refer to Section 2)

58. Remove the control board. (Refer to Section 3)

59. Remove the air guide upper. (Refer to Section 4)

60. Remove the compressor, turbo fan, fan and shroud.(Refer to Section 5)

61. Remove the motor. (Refer to Section 6)

62. Remove 2 screws that secure the air guide to the base pan. (See Figure 23)

63. Push the air guide backward and lift it upward. (See Figure 23)

64. Re-install by referring to the procedures above.
    Electrical Parts

65. OVERLOAD PROTECTOR

66. Remove the front grille and cabinet. (Refer to Section 1, 2)

67. Remove the nut which fastens the terminal cover.

68. Remove the terminal cover.

69. Remove all the leads from the overload protector.

70. Remove the overload protector.

71. Re-install the components by referring to the removal procedure above. (See Figure 24 and 25)

72. COMPRESSOR

73. Remove the front grille and cabinet. (Refer to Section 1, 2)

74. Discharge the refrigerant by using a refrigerant recovery system.

75. Remove the overload protector. (Refer to Section 8)

76. After discharging the unit completely, unbrace the suction and discharge pipes at the compressor con-nections.

77. Remove 3 nuts which fasten the compressor.

78. Remove the compressor.

79. Re-install by referring to the removal procedure above. (See Figure 25)

80. CAPACITOR

81. Remove the cabinet. (Refer to Section 2)

82. Remove the control board. (Refer to Section 3)

83. Discharge the capacitor by placing a 20 KΩ resistor across the capacitor terminals.

84. Remove the screw which fastens the capacitor clamp.

85. Remove all the leads of capacitor terminals.

86. Re-install the components by referring to the removal procedure above. (See Figure 26)

87. THERMOSTAT

88. Remove the cabinet. (Refer to Section 2)

89. Remove the control board. (Refer to Section 3)

90. Remove 2 screws which fasten the thermostat. (See Figure 27)

91. Remove all the leads of the thermostat terminals.

92. Remove the thermostat.

93. Re-install the components by referring to the removal procedure above.

94. ROTARY SWITCH

95. Remove the cabinet. (Refer to Section 2)

96. Remove the control board. (Refer to Section 3)

97. Remove 2 screws which fasten the rotary switch. (See Figure 28)

98. Remove all the leads of the rotary switch terminals.

99. Remove the rotary switch.

100. Re-install the components by referring to the removal procedure above.

101. POWER CORD

102. Disconnect the unit from source of power.

103. Remove the front grille. (Refer to Section 1)

104. Remove the cabinet. (Refer to Section .2)

105. Remove a screw that secures control board to base pan and air guide. (Refer to Section 3)

106. Pulls the control board toward you.

107. Disconnect the 2 receptacles and remove the grounding screw.

108. Remove a screw securing the clip with cord to the con-trol board. (See Figure 29)

109. Pull the power cord.

110. Re-install by referring to procedures above.
     Refrigerating Cycle

111. CONDENSER

112. Remove the cabinet. (Refer to Section 2)

113. Discharge the refrigerant by using a refrigerant recovery system.

114. Remove 2 screws which fasten the condenser. (See Figure 30)

115. After discharging the refrigerant completely, unbraze the interconnecting tube at the condenser connections.

116. Remove the condenser.

117. Re-install by referring to the procedures above.

118. EVAPORATOR

119. Remove the cabinet. (Refer to Section 2)

120. Discharge the refrigerant by using a refrigerant recovery system.

121. Remove the air guide upper. (Refer to Section 4)

122. After discharging the refrigerant completely, unbraze the interconnecting tube at the evapo-rator connections.

123. Remove the evaporator.

124. Re-install by referring to the procedures above.

125. CAPILLARY TUBE

126. Remove the cabinet. (Refer to Section 2)

127. Discharge the refrigerant by using a refrigerant recovery system.

128. Remove the air guide upper. (Refer to Section 4)

129. After discharging the refrigerant completely, unbraze the interconnecting tube of the capillary tube.

130. Remove the capillary tube.

131. Re-install by referring to the procedures above.

NOTICE
Replacement of the refrigeration cycle.

1. When replacing the refrigerating cycle, be sure to discharge the refrigerant by using a refrigerant recovery system.

2. After discharging the unit completely, remove the desired components, and unbraze the pinch-off tubes.

3. Solder service valves into the pinch-off tube ports, leaving the valves open.

4. Solder the pinch-off tubes with service valves.

5. After completing the above procedures, the valve must be closed and left in place on the system for any subsequent procedures.

6. Evacuate as follows:

7. Connect the vacuum pump, as illustrated in figure 31A.

8. Start the vacuum pump. Slowly open manifold valves A and B with two full turns counter-clockwise and leave the valves closed.
   The vacuum pump is now pulling through valves A and B up to valve C by means of manifold and the entire system.
   CAUTION: If high vacuum equipment is used, just crack valves A and B for a few minutes, then open slowly with the two full turns counter-clockwise. This will keep oil from foaming and being drawn into the vacuum pump.

9. Operate the vacuum pump for 20 to 30 minutes, until 600 micron vacuum is obtained.
   Close valves A and B and observe vacuum gauge for a few minutes.
   A rise in pressure would indicate a possible leak or moisture remaining in the system.
   With valves A and B closed, stop the vacuum pump.

10. Remove the hose from the vacuum pump and place it on the charging cylinder. See figure 20B. Open valve C.
    Discharge the line at the manifold connection.

11. The system is now ready for final charging.

12. Recharge as follows:

13. Rotary compressor 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 is installed as the system is opened.

14. Connect the charging cylinder as shown in figure 31B. With valve C open, discharge the hose at the manifold connection.

15. Open valve A and allow the proper charge to enter the system. Valve B is still closed.

16. If more charge is required, the high side will not take it. Close valve A.

17. With the unit running, open valve B and add the balance of the charge.

  * Do not add the liquid refrigerant to the low-side.
  * Watch the low-side gauge, allow pressure to rise to 30 lbs(0.2MP).  

Turn off valve B and allow the pressure to drop.
Repeat steps B and C until the balance of the charge is in the system.

6. When the unit is operating correctly, use the pinch-off tool with the unit still running and the clamp on the pinch-off tube. Using a tube cutter, cut the pinch-off tube about 2 inches from the pinch-off tool. Use sil-fos solder and solder the pinch-off tube closed. Turn off the unit, allow setting for a while and then test the leak-age of the pinch-off connection.

Equipment needed : Vacuum pump, charging cylinder, manifold gauge, brazing equipment, pinch-off tool capable of making a vapor proof seal, leak detector, tubing cutter, hand tools to remove components and service valve.

Schematic Diagram

Wiring Diagram

MODEL: LWJ0514ACG, WR-5220, WR-6020, LWC051JGAA0

MODEL: LWJ0515AAG, WG-5220Y3, LWC051JGAA1, LWC061JGAA1, LWC061JGAA2, LWC071JGAA0, R5050, R-5000A, R6000A, R-6000A, R7003

Troubleshooting Guide

Piping System

Following is a brief description of the important components and their function in what is called the refrigeration system. Reference should be made to Figure 33 to follow the refrigerating cycle and the flow of the refrigerant in the cooling cycle.

In general, possible trouble is classified in two kinds.
The one is called Starting Failure which is caused by an electrical defect. The other is Ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application.
Unit is running but cooling is ineffective.

Room Air Conditioner Voltage Limits

cord. Replace cord if circuit is open.
Rotary switch| Check switch continuity. Refer to wiring diagram for terminal identification. Replace switch if defective.
Wire disconnected or connection loose| Connect wire. Refer to wiring diagram for terminal identification. Repair or replace loose terminal.
Capacitor (Discharge capacitor before testing.)| Test capacitor.

Replace if not within ±10% of manufacturer’s rating. Replace if shorted, open, or damaged.

Will not rotate| Fan blade hitting shroud or blower wheel hitting scroll. Re- align assembly.

__

Units using slinger ring condenser fans must have 0.22~0.25 inch clearance to the base.

If necessary, shim up the bottom of the fan motor with mounting screw(s).

__

Check fan motor bearings; if motor shaft will not rotate, replace the motor.

Fan motor runs.| Revolves on overload| 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.

replace it.
Blower| If cracked, out of balance, or partially missing, replace it.
Loose set screw| Tighten it.
Worn bearings| If knocking sounds continue when running or loose, replace the motor. If the motor hums or noise appears to be internal while running, replace motor.
Compressor will not run, fan motor runs.| Voltage| Check voltage. See the limits on the preceding page. If not within limits, call an electrician.
Wiring| Check the wire connections; if loose, repair or replace the terminal. If the wires are discon- nected, refer to wiring diagram for identification, and replace the wires. Check the wire connections;

If not according to the wiring diagram, correct the connections.

Rotary| Check for continuity, refer to the wiring diagram for terminal identification. Replace the switch if the circuit is open.
Thermostat| Check the position of knob. If not at the coldest setting, advance the knob to this setting and restart the unit.
Check the continuity of the thermostat. Replace the thermostat if the circuit is open.
Capacitor (discharge capacitor before servicing.)| Check the capacitor.

Replace if not within ±10% of manufacturer’s rating, replace if shorted, open, or damaged.

Compressor| Check the compressor for open circuit or ground. If open or grounded, replace the compressor.
Overload| Check the compressor overload if externally mounted. Replace if open. (If the compressor temperature is high, remove the overload, cool, and retest.)
Compressor cycles on overload.| Voltage| Check the voltage. See the limits on the

preceding page. If voltage is not within these limits, call an electrician.

Overload| Check overload, if externally mounted.

Replace if open. (If the compressor temperature is high, remove the overload, cool, and retest.)

cause. Replace if required.
Condenser air flow restriction| Remove the cabinet, inspect the interior surface of the condenser. If restricted, clean carefully with a vacuum cleaner (do not damage fins) or brush. Clean the interior base before re-assembling.
Condenser fins (damaged)| If the condenser fins are closed over a large area on the coil surface, head pressures will increase, causing the compressor to cycle. Straighten the fins or replace the coil.
Capacitor| Test the capacitor.
Wiring| Check the terminals. If loose, repair or replace.
Refrigeration system| Check the system for a restriction.
Insufficient cooling| Air filter| If restricted, clean or replace.
Unit undersized| Determine if the unit is properly sized for the area to be cooled.
Excessive noise| Blower or fan| Check the set screw, or clamp. If loose or miss- ing, correct. If the blower or fan is hitting scroll or barrier, rearrange the air handling parts.
Copper tubing| Remove the cabinet and carefully rearrange the tubing not to contact the cabinet, compressor, shroud, and barrier.

Exploded View

• LWJ0710ACG, LWC071JGAA0

• LWJ0515ACW/P, LWJ0514ACG, LWC061JPAA1/2, LWC061JGAA1, LWC051JPAA0, LWC051JGAA1

P/ N O : 3828A20038K
FEBRUARY, 2008

References

• realtime.at - Domain catched
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• Lg Air Conditioner Parts - Select From 2329 Models

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