LG LF300CP(LP-C303R20), LF480CE(L Manual de usuario

Floor Standing Type

Air Conditioner

SERVICE MANUAL

MODEL: LF300CP(LP-C303R20)

LF480CE(LP-C483TA0)

Contents

–2–

Safety Precautions..................................................................................................................3

Functions .................................................................................................................................7

Product Specifications .........................................................................................................10

Dimensions............................................................................................................................11

Wiring Diagram......................................................................................................................15

Operation Details ..................................................................................................................17

Installation of Indoor, Outdoor Unit.....................................................................................23

Test Running .........................................................................................................................25

Troubleshooting Guide .........................................................................................................27

Exploded View and Replacement Parts List.......................................................................41

–3–

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.

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

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage to properties only.

■Installation

Be sure not to do.

Be sure to follow the instruction.

Do not use a defective or

underrated 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.

Always install a dedicated

circuit and breaker.

• Improper wiring or installation may

cause fire or electric shock

Use the correctly rated

breaker or fuse.

• There is risk of fire or electric

shock.

Do not modify or extend the

power cable.

• There is risk of fire or electric

shock.

–4–

■Operational

Do not install, remove, or re-

install the unit by yourself

(customer).

• 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.

For installation, always

contact the dealer or an

Authorized Service Center.

• There is risk of fire, electric shock,

explosion, or injury.

Do not install the product on a

defective 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

conditioner 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 and wet or

damage furniture.

Do not touch(operate) the

product with wet hands.

• There is risk of fire or electrical

shock.

Do not place a heater or other

appliances near the power

cable.

• There is risk of fire or electric

shock.

Do not let electric parts of the

product get wet.

• There is risk of fire, failure of the

product, or electric shock.

–5–

■Installation

Do not open the inlet grill of the product during

operation. (Do not touch the electrostatic filter,

if the unit is so equipped.)

• There is risk of physical injury, electric shock, or

product failure.

Be cautious that water could not enter the

product.

• There is risk of fire, electric shock, or product 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

combustibles near the product.

• There is risk of fire or failure of product.

If strange sounds, or small or smoke comes

from product. Turn the breaker off or

disconnect the power supply cable.

• There is risk of electric shock or fire.

Gasolin

–6–

Keep level even when installing the product.

• To avoid vibration or water leakage.

Use two or more people to lift and transport

the product.

• Avoid personal injury.

Use a soft cloth to clean. Do not use harsh

detergents, solvents, etc.

• There is risk of 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

operated.

• There are sharp and moving parts that could cause

personal injury.

90˚

Wax

Thinner

■Operational

–7–

Indoor Unit

Power Switch ON/OFF

Operation Mode Control

Indoor Fan Speed Control

Room Temperature control

Sensing Heat Exchanger Temperature

Soft Dry Operation Mode

Time Delay Safety Control

AutoRestart

•Cooling, Heating, Soft Dry, Fan

•High, Med & Low

•Maintains the room temperature in accordance with the Setting Temp.

•Up: up to 30°C(86.0°F)

•Down: down to 16°C(60.8°F)

•Heat exchanger temperature sensor (Thermistor)

•Intermittent operation of fan at low speed.

•Restarting is inhibited for approx. 3 minutes.

•The power comes on again after a power failure.

Functions

–8–

•Intermittent operation of fan at low speed.

•Used to circulate room air without cooling.

•OFF Timer (1, 2, 3,......7 hour)

•Airflow direction Auto-swing and Manual Contol.

•Up: up to 30°C(86.0°F)

•Down: down to 16°C(60.8°F)

•High, Med & Low

Remote Control

Operation ON/OFF

Cooling Operation Mode

Heating Operation Mode

Sot Dry Operation Mode

Fan Operation

Timer Control

Airflow Direction Control

Room Temperature Control

Indoor Fan speed control

–9–

Outdoor Unit

Deice Control

Outdoor Fan Speed Control

Sensing Heat Exchanger Temperature

•De-ice PCB

(Heating Model Only)

•One speed

•Heat exchanger temperature sensor (Thermistor)

Product Specifications

–10–

POWER SOURCE (ø, V, Hz)

COOLING CAPACITY BTU/h

INPUT W

CURRENT A

HEATING CAPACITY BTU/h

INPUT W

CURRENT A

MAKER

TYPE

COMPRESSOR MODEL

CAPACITY BTU/h

CURRENT A

INPUT W

NOISE INDOOR dB(A)

LEVEL(1m) OUTDOOR

AIR INDOOR CMM

VOLUME OUTDOOR (CFM)

REFRIGERANT R-22

kg(Oz)

HEAT INDOOR R/C/FPI

EXCHANGER OUTDOOR R/C/FPI

FAN INDOOR TYPE

OUTDOOR

ROOM TEMPERATURE CONTROL

NET INDOOR kg(lbs)

WEIGHT OUTDOOR

Gross Weight INDOOR kg(lbs)

OUTDOOR

DIMENSIONS INDOOR mm

(W ¥H ¥D) OUTDOOR (Inch)

SVC LIQUID mm

VALVE GAS (Inch)

POWER CABLE P*mm

CONNECTING CABLE P*mm

BREAKER CAPACITY A

1, 208/230, 60 1, 208/230, 60

28,000 48,000

8,206 14,067

2,600 4,500

11.5 20

LG LG

Rotary Rotary

QJ250KAB/QK145KBD QP325KBD * 2

17,658/10,100 24000

7.7/4.5 10.2

1,635/935 2162

50/45/39/32 57/54/51

56 62

20/16.5/13/6 (706/583/459/212) 35/33/30(1,236/1,165/1,059)

47 (1,660) 104(3,672)

1.84 (65) 3.92(124.2)

2R/30C/18FPI 3R/28C/18FPI

2R/36C/20FPI 2R/26C/21FPI

TURBO FAN TURBO FAN

Propeller Propeller

Thermistor Thermistor

32(70.5) 58(127.9)

66(145.5) 90(198.4)

38(83.8) 66(145.5)

71(156.5) 100(220.5)

570 x 1,820x 310 (22.45 x 71.7 x 12.2) 590 x 1,810 x 440 (23.23 x 71.26 x 17.32)

870 x 808 x 320 (34.3 x 31.8 x 12.6) 900 x 1,225 x 370 (35.43 x 48.23 x 14.57)

9.52(3/8) 9.52(3/8)

15.88(5/8) 19.05(3/4)

3x4.0 3x5.5

4x1.0 4x1.0

30 40

MODEL

LF300CP(LP-C303R20) LF480CE(LP-C483TA0)

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