LG GR-382R Bedienungsanleitung

Safety Precautions.

Read the following inst ructions before servicing your refrigerator.

1. Unplug the refrigerator before

servicing.

2. Visually inspect for gas leakage or

short circuit.

3. If testing with the refrigerator

plugged in, wear rubber gloves to

avoid electric shock.

Do not touch frozen metal parts;

your hands could freeze to the

surface. This may cause frostbite.

Be sure that no water is dripping

towards electrical or metal parts.

If you check the bottom part of the

refrigerator while the freezer

door is open, be careful standing

up. You could bump your head.

When you tilt your refrigerator be

sure to take out all metal, glass, or

other loose parts.

When servicing the evaporator,

wear cotton gloves to prevent cutting

by any of the evaporator fins.

Service Precautions

Refrigerant Recharging

Test the compressor's operation before

recharging the refrigerant; this is very

important to detect failures and to

ensure the proper motor running, and

to identify failures immediately. If

failure has been detected, clean the

system from any other possible

R-134a residues by breaking the final

part of the compressor's service pipe

at it's thinnest part as shown in Fig. #1.

Replace the filter and any other part

that could be deteriorated. Unweld

and pull out the service pipe,

then place a new pipe extension with a

Hansen male connector and solder

the new pipe. See Fig. #2

POINTTO BE

BROKEN CHARGETUBE

EX?ENSiON

MALEHANiSEN

SERVICETUNEEXTENSION SOLDNRFNGPOINT

Figure 1i Fig;ute2

It is necessary to open the valve

when soldering to allow the gases to

escape without forcing the molten

solder out of the joint. The extension

with the male Hansen connector

should be connected to a female type

connector to the vacuum pump's pipe.

See Fig. #3

System air evacuation starts as soon

as the pump begins to run. The

system must be kept under vacuum

until the low pressure gauge shows

0(absolute or -1 atm, -760 mm Hg.) It

is not recommend to run the vacuum

pump for more than 30 minutes. See

Figure 3.

In case there is a large leak and the

vacuum operation must stop,

you must add a small amount of

refrigerant to the system and check

with an electronic leak detector. If a

soldering failure is detected, open the

valve before soldering to equalize the

pressure and keep solder from being

blown out of the joint or sucked into

the piping.

As soon as the repair is completed,

charge the correct amount of

refrigerant into the system.

Remember that each system requires

a specific amount of refrigerant with a

tolerance of +5 grams. See Figure 4.

TO THE b_ 134_ CYLliH_R

_3ySTE_ I_igur_ " 4

Before performing this operation (if

the vacuum pump and charging

cylinder are still attached to the

system) be sure the valve between

the pump and the cylinder is closed to

Service Precautions

keep refrigerant out of the system.

See Figure 5.

For gas charging, check the

graduated scale on the cylinder to see

the amount of refrigerant that it

contains and the amount that will be

pumped into the system. For

example, if you have 750 grams of

refrigerant in the cylinder and we

have to pump 165 grams to the

system, this amount will be reached

when the indicator reaches 585

grams; remember that the indicator

shows a lower level of meniscus.

installed in one session, as it could

block the compressor. Install 20-30

grams at a time and close the valve.

The compressor will run and the

pressure will drop. Then open the

valve and install other 20-30 grams

of refrigerant. Repeat this procedure

until the entire amount has been

added to the system. Under operating

conditions, the system pressure

should stabilize between 0.3 and 0.6

atm.

Do this after choosing the scale

corresponding to the gas pressure

indicated on the pressure indicator

located on the upper part of the

column. To let R-134a flow into the

system, open the valve at the

recharging cylinder's base. The total

amount of refrigerant should not be

FILING OR VALVE TO BE OPENED

CHARGE TUBE WHEN REEILUNG

"_---F ?"---_

TO THE REFRIGERATION TO THE CHARGE

SYSTEM CYLiNQER

VALVE TO BE CLOSED

AFTER VACUUM

TO THE VACUUM PUMP _ Figure 5

•

Specifications

General

Features

Freezer

Compartment

Refrigerator

Compartment

MODEL NAME

3apacityliters(cubic

eet) (C/R/r)

Dimentions(W*H*D)

Neight (pounds)

remperatureControl

3ontrolType

-landle Type

_eversible Door

DoorFinishing

_ower Cover

=.efdgerant (Amount)

3oolingsystem

Defrosting System

nsulation (Foam)

ce Bin Type

_lastic Shelves

GR-382R

99(3.5)/ 236(8.3)/

334(11.8)

26.5*65*27 in /

675"1650"685 mm

152

Electronic

Refrigerator-Control

Horizontal

YES

PCM

R134a (4.94 Oz./ 140

gr.)

Indirect

Automatic (Resistance

in Evaporator)

Cyclopentane

LRTP-1231W

99(3.5)/ 236(8.3)/

334(11.8)

26.5*65*27 in /

675"1650"685 mm

152

Electronic

Refrigerator-Control

Horizontal

YES

PCM

R134a (4.94 Oz./ 140

gr.)

Indirect

Automatic (Resistance

in Evaporator)

Cyclopentane

Twist Twist

1 1

3oor Baskets

.amp

3hiller

_helves

MultiAirFlow

_amp

-gg trays

3ottle Guides

-lumidity Control

MagicCrisper

_'egetableDrawer

3eodorizer

YES

GLASS (2)

YES

GLASS

YES

(2)

Feature Chart

FREEZER

Temperature

Ice

Twist'n Serve

REFRIGERATOR

Temperature

Control_-

Fresh Meat

Tray...

Lamp_

Shelves

(Plastic or Glass) _"

Deodorizer

(Absorbs

Odors)*

Multi Air Flow _-.-----

Air flow distributor

Vegetable Tray

(Keeps fruitsand

vegetables fresh)

Freezer

Door Baskets

Refrigerator

Door Baskets

Leveling

Magic Crisper

(Vegetable Tray cover

that control humidity)

MODEL(S): GR-382R

LRTP1231W

* This part is only included in model LRTP1231W

2. Circuit Dia,qram

CIF_C 17 DIAORA

PWB ABSY, DISPLAY

__ R SENSOR

DEF SENSOR

IYI'2I_NWI_HIWI_°IS

PWB (PCB) ASSEMBLY,MAIN

POWER

SUPPLY

CORB

NEUTRAL

BL i[

_, pF

p._¢ START

3854JLBOOlS

BK:BLACK BN:BROWN RD:RED BO:BRIGHT ORANGE

YL: YELLOW GN: GREEN BL: BLUE PR: PURPLE

WH:WHITE SB: SKY BLUE GY:GREY PK: PINK

MODEL(S): GR-382R

LRTP1231W

Graphic Circuit Diaqram

F+ +.....................................................................................................................i

+i .........................................................................................................._ i i

11 1,+++

i i Sensor _ Bke /

i i Delro_t Resislanee i[L_ /

i i (Heater Cord) _t)range

i i ran >e

i i Evaporator [

i i [Red

i i O,.+ro+tRe+m.....

+ + (Heater Plate)

L.........J_wm++ ............._ ..................................

S++ildl MI IJ._--

L-L.........Y.._J].__,,_;..........._...... ...........................................,

+ + ++i+

+ + i+_

i i Control i,

Sen_or

i i L"°+IC_:

i i iil

i i %"_!

i i !

: : ! $

i i g

: : i l

: : z:

i l

: : l ]

i ................................................................................ /

Blue

-_=

Defrost and

Temperature

Electronic Control

Pink

B]__e RtlnnhlgCapacitor

White Pink

Black

-_ AC Current

3. Product Disassemble.

Doors

• Freezer Door

1. Remove hinge cover by pulling it

upwards.

2. Loosen the hexagonal bolts that

hold the upper hinge in place. See

Figure 1.

3. Remove door. See Figure 2.

Figure 1 Figure 2

4. Pull gasket to remove it. See

Figures 3 and 4.

Figure 3 Figure 4

2. Disconnect all switche's cables.

See Figure 8

Figure 7 Figure 8

Control Circuit ( Display PWB)

1. Remove the lamp cover by

inserting a screwdriver in the lower

side's holes. See Figure 9.

2. Loosen and remove the 2 screws.

See Figure 10.

•Refrigerator Door.

1. Loosen the hexagonal bolts that

hold the central hinge in place.

See Figure 5.

2. Remove refrigerator door. See

Figure 6.

3. Pull out the gasket to remove it

from the door. See Figure 4 from

Freezer door.

Figure 9 Figure 10

3. Pull out the Control Box. See

Figure 11.

4. Disconnect the connector from the

cable terminal. See Figure 12.

5. Remove the EPS Multi air duct

(insulation) from the control box.

6. Detach the electronic control

(Display, PWB). See Figure 13.

Figure 5 Figure 6

Door Switch

1. Pull out the door switch out using

aflat head screwdriver. See

Figure 7

Figure 11 Figure 12

Figure13

Fan and Fan Motor.

1. Remove freezer shelf.

3. Remove the ice bin assembly by

pulling it to the right side, until it

snaps out.

4. Remove Grill Fan screw cover.

See Figure 14.

5. Loosen the screw. See Figure 15.

6. Pull out the fan cover. Figure 16.

Defrost Control Assembly

1. The defrost control assembly

consists of one thermistor and a

fuse that melts with heat.

2. The termistor's function is to

sense the compartment's

temperature and automatically

stop the defrost. The termistor is

located beside of the evaporator

bracket.

3. The melting fuse is a safety device

to prevent an overheating of the

defrosting resistance when it

operates.

4. The fuse melts at 162 ° F and the

resistance heater stops.

5. To replace this components,

please follow the steps mentioned

at Figure 18.

Figure 14 Figure 15

6. Unplug the connector.

7. Remove the fan holder shroud.

Figure 17.

8. Remove fan and loosen both

screws that hold the bracket.

9. Remove the motor bracket and the

rubber parts. Pull out the fan

motor. See Figure 17.

Figure 16 Figure 17

LFigure 18. Unplug the connector plugged to

the defrost control assembly and replace it if

necessary.

Lamp.

Refrigerator Compartment Lamp

1. Remove the lamp cover with

a screwdriver or a similar tool.

See Figure 19.

2. Remove the lamp by unscrewing it

counterclockwise and replace it

with the same specifications

(125V,20W). Part Number

6912JB2002J.

Figure 19

Refrigerator Control Box.

Remove the lamp cover as mentioned

before.

1. Loosen the screws.

2. Remove the entire control box.

See Figure 20.

3. Disconnect the control box

connector. See Figure 21.

Figure 20 Figure 21

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