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— 18 —

If cracked, out of balance, or partially missing,
replace it.

If cracked, out of balance, or partially missing,
replace it.

Tighten it.

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.

Check voltage. See the limits on the preceding page.
If not within limits, call an electrician.

Check the wire connections ; if loose, repair of
replace the terminal. If the wires are disconnected,
refer to wiring diagram for identification, and replace
the wires. Check the wire connections ; if not
according to the wiring diagram, correct the
connections.

Check for continuity, refer to the wiring diagram for
terminal identification. Replace the switch if the
circuit is open.

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.

Check the capacitor.
Replace if not within 

¡

10% of manufacturer's rating,

replace if shorted, open, or damaged.

Check the compressor for open circuit or graond. If
open or grounded, replace the compressor.

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

Check the voltage. See the limits on the preceding
page. If voltage is not within these limits, call an
electrician.

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

Fan

Blower

Loose set screw

Worm bearings

Voltage

Wiring

Rotary

Thermostat

Capacitor (discharge
capacitor before
servicing)

Compressor

Overload

Voltage

Overload

Fan motor noise.

Compressor will not run,
fan motor runs.

Compressor cycles on
overload.

— 19 —

If not running, determine the cause. Replace if
required.

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.

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.

Test the capacitor.

Check the terminals. If loose, repair or replace.

Check the system for a restriction.

If restricted, clean or replace.

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 scroll or barrier,
rearrange the air handling parts.

Remove teh cabinet and carefully rearrange the
tubing not to contact the cabinet, compressor,
shroud, and Barrier.

Fan motor

Condenser air flow
restriction

Condenser fins
(damaged)

Capacitor

Wiring

Refrigeration system

Air filter

Unit undersized

Blower or fan

Copper tubing

Compressor cycles on
overload

Insufficient cooling.

Excessive noise.

— 3 —

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.

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

LW-A0560CL

LW-A0620CL

COOLING CAPACITY (BTU/h)

5,000

5,754

POWER SUPPLY (Phase, V, Hz)

1ø, 220/240V, 50Hz

1ø, 220V, 60Hz

INPUT (W)

610/625

589

OPERATING CURRENT (AMP.)

2.9/2.8

2.8

REFRIGERANT CONTROL

CAPILLARY TUBE

REFRIGERANT CHARGE (R-22)

255g (9.0 oz)

290g (10.2 oz)

INSIDE FAN

BLOWER

OUTSIDE FAN

PROPELLER 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 STEP (LOW FAN, HIGH-FAN, O(OFF), HIGH COOL, LOW COOL)

FAN MOTOR

6POLES, 25W

• NOTE : Specifications are subject to minor change without notice for further improvement.

— 20 —

POWER CORD ASM

FAN MOTOR

COMPRESSOR

ROTARY SWITCH

THERMOSTAT

CAPACITOR

CONDUCTOR ASM

OVERLOAD PROTECTOR

CONNECTOR ASM

CONNECTOR ASM

CONNECTOR ASM

1

2

3

4

5

6

7

8

9

10

11

1

1

1

1

1

1

1

1

1

1

1

H

L

RD

RD

11

4

9

3

7

5

1

3

2

4

5

6

7

8

2

1

10

6

8

ROTARY  SWITCH

BK          BK

YL

YL

OR(BR)

MOTOR

COMP.

BK(BR)

OR(BR)

POWER INPUT

THERMOSTAT

ROCKER SWITCH

(Plain)

(Ribbed)

WL(BL)

GN(GN/YL)

CAPACITOR

F

R

S

C

C

H

BK

RD

RD

BL

BL

BL

BL

BR

YL

SYNC. M.

BR

BR

BR

OLP

BK

3854AR2330A
WIRING DIAGRAM

M

LW-A0560CL

LW-A0620CL

3H02255E

4681AR2177C

4681AR2177D

5416AR2179E

5416AR2179F

2H00154H

2H01109G

2A00986P

2H01451N

2H01045E

6750U-L011A

6750U-L003A

3H03216G

3H03226D

4933AR3336A