LG HWC056JWAA0 / W05LC Service Manual ▷ View online
—18—
COMPLAINT
CAUSE
REMEDY
Compressor cycles on
Fan motor
If not running, determine the cause. Replace if
overload
required.
Condenser air flow
Remove the cabinet, inspect the interior surface
restriction
of the condenser. If restricted, clean carefully
with a vacuum cleaner (do not damage fins) or
brush. Clean the interior base before
re-assembling.
with a vacuum cleaner (do not damage fins) or
brush. Clean the interior base before
re-assembling.
Condenser fins
If the condenser fins are closed over a large
(damaged)
area on the coil surface, head pressures will
increase, causing the compressor to cycle.
Straighten the fins or replace the coil.
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.
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 shroud, rearrange the air handling parts.
ing, correct. If the blower or fan is hitting scroll
or shroud, rearrange the air handling parts.
Copper tubing
Remove the cabinet and carefully rearrange the
tubing not to contact the cabinet,
compressor, shroud, and air guide.
tubing not to contact the cabinet,
compressor, shroud, and air guide.
5. SCHEMATIC DIAGRAM
—
19—
5-1. CIRCUIT DIAGRAM
•
MODEL : HWC056JWAA0
DESCRIPTION & NAME
POWER CORD ASSY
FAN MOTOR
COMPRESSOR
ROTARY SWITCH
THERMOSTAT
CAPACITOR
OVERLOAD PROTECTOR
FAN MOTOR
COMPRESSOR
ROTARY SWITCH
THERMOSTAT
CAPACITOR
OVERLOAD PROTECTOR
Q'TY
1
1
1
1
1
1
1
1
1
1
1
1
1
REF. NO
1
2
3
4
5
6
7
2
3
4
5
6
7
5
1
2
6
7
3
4
—2—
CONTENTS
1. PREFACE
.................................................................................................................................................. 3
1.1 FEATURES ................................................................................................................................................... 3
1.2 SPECIFICATIONS ........................................................................................................................................ 3
1.3 LOCATIONS OF CONTROLS ...................................................................................................................... 4
1.4 SAFETY PRECAUTIONS ............................................................................................................................. 4
1.5 INSULATION RESISTANCE TEST .............................................................................................................. 4
1.2 SPECIFICATIONS ........................................................................................................................................ 3
1.3 LOCATIONS OF CONTROLS ...................................................................................................................... 4
1.4 SAFETY PRECAUTIONS ............................................................................................................................. 4
1.5 INSULATION RESISTANCE TEST .............................................................................................................. 4
2. DISASSEMBLY INSTRUCTIONS
............................................................................................... 5
2.1 MECHANICAL PARTS ................................................................................................................................. 5
2.1.1 FRONT GRILLE ................................................................................................................................... 5
2.1.2 CABINET................................................................................................................................................5
2.1.3 CONTROL BOARD .............................................................................................................................. 5
2.1.2 CABINET................................................................................................................................................5
2.1.3 CONTROL BOARD .............................................................................................................................. 5
2.2 AIR HANDLING PARTS ............................................................................................................................... 6
2.2.1 AIR GUIDE UPPER ............................................................................................................................. 6
2.2.2 ORIFICE, TURBO FAN AND FAN ........................................................................................................ 6
2.2.3 MOTOR ................................................................................................................................................. 7
2.2.4 AIR GUIDE............................................................................................................................................ 7
2.2.2 ORIFICE, TURBO FAN AND FAN ........................................................................................................ 6
2.2.3 MOTOR ................................................................................................................................................. 7
2.2.4 AIR GUIDE............................................................................................................................................ 7
2.3 ELECTRICAL PARTS ................................................................................................................................... 7
2.3.1 OVERLOAD PROTECTOR .................................................................................................................. 7
2.3.2 COMPRESSOR ................................................................................................................................... 7
2.3.3 CAPACITOR ......................................................................................................................................... 8
2.3.4 THERMOSTAT ..................................................................................................................................... 8
2.3.5 ROTARY SWITCH ................................................................................................................................ 8
2.3.6 POWER CORD .................................................................................................................................... 8
2.3.2 COMPRESSOR ................................................................................................................................... 7
2.3.3 CAPACITOR ......................................................................................................................................... 8
2.3.4 THERMOSTAT ..................................................................................................................................... 8
2.3.5 ROTARY SWITCH ................................................................................................................................ 8
2.3.6 POWER CORD .................................................................................................................................... 8
2.4 REFRIGERANT CYCLE ................................................................................................................................8
2.4.1 CONDENSER ...................................................................................................................................... 8
2.4.2 EVAPORATOR ..................................................................................................................................... 9
2.4.3 CAPILLARY TUBE ............................................................................................................................... 9
2.4.2 EVAPORATOR ..................................................................................................................................... 9
2.4.3 CAPILLARY TUBE ............................................................................................................................... 9
3. INSTALLATION
................................................................................................................................... 11
3.1 SELECT THE BEST LOCATION ................................................................................................................ 11
3.2 CHECK OF INSTALLATION ....................................................................................................................... 11
3.3 HOW TO DRAIN ......................................................................................................................................... 11
3.4 HOW TO INSTALL ...................................................................................................................................... 12
3.2 CHECK OF INSTALLATION ....................................................................................................................... 11
3.3 HOW TO DRAIN ......................................................................................................................................... 11
3.4 HOW TO INSTALL ...................................................................................................................................... 12
4. TROUBLESHOOTING GUIDE
................................................................................................... 12
4.1 OUTSIDE DIMENSION .............................................................................................................................. 12
4.2 PIPING SYSTEM ....................................................................................................................................... 13
4.3 TROUBLESHOOTING GUIDE ................................................................................................................... 14
4.2 PIPING SYSTEM ....................................................................................................................................... 13
4.3 TROUBLESHOOTING GUIDE ................................................................................................................... 14
5. SCHEMATIC DIAGRAM
................................................................................................................. 19
5.1 CIRCUIT DIAGRAM .................................................................................................................................... 19
6. EXPLODED VIEW
............................................................................................................................. 20
7. SERVICE PARTS LIST
................................................................................................................... 21
—
20—
6. EXPLODED VIEW
152302
135313
352390
159900-2
145200
159900-1
130410
359012
W48602
135312
149410
354210
349480
352380
149980
559011
346811
554030
266003
264110
269310
W0CZZ
249950
135510
550140
554160
567502
352115
552111
552101
352113
35211A
W48602
130910
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