Haier HVW18 Service Bedienungsanleitung

Haier

SERVICE MANUAL

Semi-conductor Wine Cooler

2006

HVW18

Brief introduction to the cooling system

1. Both the HVW18 series are in-direct cooling single-system wine coolers.

2. A semi-conductor type cooling system is built into the unit. This system is also called

“Thermo-electric” cooling system; or “Peltier” system.

3. The core element in the system is a piece of special semi-conductor module. When a

direct current passing through this semi-conductor module, one surface of the conductor

becomes cold while another surface become hot.

4. General speaking, the temperature difference (the temperature ratio) between the 2

surfaces of the semi-conductor is a constant value. When the temperature on 1 surface

is changed, the temperature on another surface is changed respectively.

5. When the “semi-conductor” cooling element is applied onto the wine cooler, the cold

surface will be located inside the cavity of the cooler, and the hot surface will be located

at outside.

6. Both the “cold” side and the “hot” side of the semi-conductor equipped with a aluminium

radiator and a fan. Inside the cavity, the fans can help to provide a better air circulation

and to bring the air to draw the “cold” from the radiator. And; on outside, the fan can

help to diffuse or evaporate the heat on the “hot” aluminium radiator..

PRODUCT MODEL NUMBER INTRODUCTION

HVW18ABS / HVW18ABB / HVW18BSS

HV - H = Haier; V = Wine Cellar

W - WineTower

18 - 18 Botles Capacity

A,B - Production Series

BB - Black body and black frame

BS - Black body and silver frame

SS - Silver body and silver frame

SPECIFICATION

Model

HVW18

Capacity

68 Litre

Power Supply

110V~60Hz

Rated Input Power (W)

140W

Power Consumption

(KW.H/Year) 949KwH / Yr

Net Weight (KG)

22.80 KG

Gross Weight (KG)

28.40 KG

Unit Dimension (W x D x H) – cm

28 x 56.7 x 103.9 cm

Packing dimension (W x D x H) – cm

33.4 x 59.2 x 105.5 cm

Container Quantity (40’ HQ)

328 pcs.

Container Quantity (40’ Regular)

287 pcs.

Exposed Diagram (Totoal Unit)

Exposed Diagram (Cooling Module)

Circuit Diagam (Total Unit)

Wiring Diagram (Total unit)

TROUBLE SHOOTING

1.Normal Phenomena – Should not be considered as the trouble of the unit

a. Wine cooler does not operate

- Check if the unit is plugged in.

- Check if there is power at the power outlet by checking the circuit breaker.

- Check if the ambient temperature is lower than the unit’s pre-set temperature.

(Preset lowest temperatue – 10 degree C; Preset highest temperature – 16 degree C)

b. Wine appears too warm

- May be caused by frequent door openings.

- Cooling time is too short to cool down the wine.

- The door is not closed properly.

- The temperature is set too high. Adjust to a lower temperature setting if necessary.

- The ambient temperature is too high.

c. Wine temperature is too cold

- The wine cooler temperature is set too low. Adjust to a higher temperature setting if necessary.

- The ambient temperature is too low.

d. Wine cooler is runs too frequently

- This may be normal to maintain constant temperature during high temperature and humid days.

- Doors may have been opened frequently or for an extended period of time.

- Check gasket of the door for proper seal. (re-adjust the door position if necessary. For details, please

refer to the “door replacement” diagram).

- Check to see if doors are completely closed.

e. Moisture build up on interior or exterior of the wine cooler:

- This is normal during high humidity period.

- Prolonged or frequent door openings.

- Check door gaskets for proper seal. (re-adjust the door position if necessary. For details, please refer

to the “door replacement” diagram).

f. Wine cooler door does not shut properly

- Level the wine cooler.

- Check for the blockages. For example, wine bottles, shelves ..etc..

For reference only. The model shown in below diagram may vary from actual model.

2.To discover the common trouble in Semi-conductor Wine Cooler

Causes for troubles occurring in this type of Wine Cooler are closely related to the quality of

components and workmanship in assembling by manufacturers and whether the unit are properly

used and maintained. The parameters generally used to express the working conditions of a wine

cooler include the temperature inside the unit, electric power consumption, noise level, and other

functional indexes. If any one of these parameters is beyond its permissible range, this indicates

that there is a fault or trouble in the unit.

In troubleshooting, the first thing you must do is to determine where the trouble comes from --- the

control system or the cooling system. There is general no trouble indicating instrument mounted

on the domestic wine cooler, locations and natures of troubles should be determined according to

their respective features, therefore, experience in servicing is very important to troubleshooting.

Service technicians with rich experience can correctly locate them and take reasonable remedy

measures based on their comprehensive analysis of trouble characteristics as well as operating

conditions of the unit.

Checking

Equipment used for checking and maintenance

1/ Set of Phillips head, flat head, cross head screwdrivers

2/ Pliers

3/ Electronic Multi meter

4/ Electrical soldering iron and tin solder

5/ Wire strippers

6/ Scissors

7/ Clamping tools for closed-end wire connector

A. Visual checking

It is the most simplest way to check the unit.

Any of the following points found can tell the unit is in trouble.

- The fan inside the cavity (internal fan) is not running during the operation;

- The fan on the rear housing (external fan) is not running during the operation;

- The wire is loosed from it original position / connection;

- The gasket along the door is damaged or air gap can be seen along the edge of the cooler

body.

- Any part on the unit is deformed.

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