Electrolux ERL-4796S Manuale utente

Service Manual

EU Dragon-SxS ERL-4796S

REV:A

Oct.20th,2005

Table of Contents

I. Brief introduction

II. Main technical data

III. Electric circuit diagram

IV. Refrigeration system illustration

V. Components and description

VI. Malfunction and remedy

I. Brief introduction

ERL-4796S is a fridge-freezer combination controlled by just one control system. The

microcomputer system can control the temperature in the fridge, freezer and wine

compartment respectively.

Temperature of the frost-free freezer can be adjusted between –15℃and –21℃. It is for

storage of fresh, cooked or frozen foods and ice-making.

Temperature of the static wine compartment can be adjusted between +6℃and +14℃.

There is an axial fan inside to make the temperature even in the compartment. This

compartment is used to store wine and other drinks.

Temperature of the static fridge can be adjusted between +2℃and +8℃. There is an

axial fan inside to make the temperature even. This compartment is used to store foods

for short periods.

II. Main technical data

Model

ERL4796S

Product code PNC 925 028 249 (EU)

composed by

cooler 925 028 250 ERL4796COL

freezer 925 028 251 ERL4796FZ

installation kit 925 028 252

925 028 253 (UK)

composed by

cooler 925 028 254 ERL4796COL

freezer 925 028 251 ERL4796FZ

installation kit 925 028 252

Dimension (WxDxH) mm 999x565x1768

Total effective volume

(fridge/wine/freezer) L 266/ 118/ 84

Refrigerant (R134a) g 170

fridge 80

wine/freezer 90

Climate SN、N、ST

Freezing star

et weight kg 140

Compressor model

for fridge GVY40AA

for freezer & wine compartment GVY66AA

Rated voltage/frequency V/HZ 220/50

Voltage range V 187-242

Power consumption KW.h/24h 1.65

Freezing capacity (kg/24h) 12

Condenser position built-in, flat at the back

Freezer layout left, bottom, drawers

Temperature range: fridge ℃2 ~ 8

wine compartment ℃6 ~ 14

freezer ℃-15 ~ - 21

Warnings

open door warning (fredge/wine) minute ＞3

high temperature in freezer ℃＞-6

high temperature in wine compartment ℃＞19

high temperature in fridge ℃＞12

fluoresent lamp V/W 220/5

Insulation class: I

III. Electric circuit diagram

Wiring diagram

IV. Refrigeration system illustration

This fridge-freezer combination has two separate refrigeration systems. When problem

occurs to

either of the two, the rest still works.

Winecompartment/freezer fridge

Wine compartment evaporator fridge evaporator

Capillarytube

Freezerevaporator filter

condenser

compressor

V. Components and description

1） Display board

A. For functions and operation of the display board please refer to the User Manual.

B. Functions of Key combination

a. Press SETTING and ▽buttons simultaneously within 1 minute when the power is

switched on ---- to activate Device Testing function

b.Press Setting, TEMP, △and ▽buttons simultaneously within 1 minute when the

power is switched on ---- to activate Demo function

c. Press TEMP and △simultaneously within 1 minute when the power is switched on

---- to activate Quality Testing function

d. Press SETTING, △and ▽buttons simultaneously at any time ---- to activate

Forced defrosting function

2）Power board: with power failure memory function and program resumption function.

Before any setting is done when the refrigerator is turned on, the default temperature and

itsrangeisasfollows:

default range

Fridge +5℃2℃~ 8℃

Wine

compartment

+12℃6℃~ 14℃

freezer -18℃-15℃~ -21℃

Electromagnetic valve: the electromagnetic valve is made by AWECO

from Germany and is an 2-way 3-pass pulse electromagnetic valve.

Both valves are dual stable state valves controlled by AC current. The

flow direction of the electromagnetic valve is controlled by 4

二

极管

阀

电源电压

230V/50Hz

正脉冲驱动

负

脉冲

驱动

开关

continuous positive half pulse or negative half pulse as the minimum unit. The flow

direction will be reversed if the null line and the caustic line are connected wrong.

diode

mains supply power 230V/50Hz positive pulse

drive

valve

switch

negativepulsedrive

The working voltage of the valves is 175V~264V

When the ambient temperature is 20~25℃, the numerical value of the resistance of the

coil is 2795Ω± 10%.

Please make sure the conduits of the valves are correctly welded,

The capillary tube with red mark is for the freezer system.

The capillary tube with black mark is for the wine compartment system.

Temperature sensor: There are six sensors on the three compartment inner liners and

evaporators respectively.

Their value of resistance at different temperature are the following:

sensor temp resistance

+20℃~ 4 KΩ

+10℃~ 5.4 KΩ

+5℃~ 6.8 KΩ

-20℃~ 25 KΩ

-30℃~ 47 KΩ

）Centrifugal fan: There is an DC centrifugal fan in the frost-free freezer. There is

also an relatively smaller DC centrifugal fan at the top of which is the static wine

compartment and fridge, more energy saving and of lower noise compared with regular

fans and keeps a balanced temperature among each compartment with quick temperature

decrease.

VI. Malfunction and remedy

1)、“--” displayed for the Wine Compartment

Note:

When the ambient temperature is close to or below 0°C, there is no problem with the

appliance. Repair according to item 14 is required only when the food is frozen and

“—”

is displayed. Temperature of the wine compartment should only be displayed as above

0°C.

2) “C1 ”displayed as the wine compartment temperature

Note:

Temperature sensed by the wine compartment sensor is beyond controllable range

Attention:

If such malfunction occurs, the appliance will be running in a special safe mode. The

refrigeration function of the appliance is protected but temperature will not be displayed.

Check if the ambient temperature is above 45°C or not and if the appliance is just

switched on or not. If it is just switched on, check the temperature display after the

appliance has run for 1 hour.

Cause A(most likely): sensor plug does not contact well with the power board

Remedy: check, clean or repair the plug and/or socket

Cause B: the wine compartment sensor is broken

Remedy: check the resistance value of the sensor and compare it to the value in the

diagram. If the actual resistance value is not in the prescribed range, repair the sensor.

3) “C2 ”displayed as the wine compartment temperature

Note:

Temperature sensed by the wine compartment and its evaporator sensors is beyond

controllable range

注：Attention:

If such malfunction occurs, the appliance will be running in a special safe mode. The

refrigeration function of the appliance is protected but temperature will not be displayed.

Check if the ambient temperature is above 45°C or not and if the appliance is just

switched on or not. If it is just switched on, check the temperature display after the

appliance has run for 1 hour.

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