Dometic RH330LD Original Betriebsanleitung

SERVICE INSTRUCTION

COOLING

3120

3130

miniBar

miniCool

Previous models

Greenline

Face-liftin

HiPro

599 5152 -85

Publication-No.:

04.02.25

EN/SE VICE/MB/KV/ S

DES

Dometic GmbH

In der Steinwiese 16

D-57074 Siegen

Tel. 0049 / 271/692-0

Fax. 0049 / 271/692-300

replaces 599 4720-12/5

599 4708-82/3

ENGLISH

1.0 Summery of Models 3

2.0 Electronics 3

2.1 Fuzzy Lo ic 3

2.2 Fuzzy Lo ic with 2 Sensors 3

3.0 Automatic Defrost Function 4

4.0 Coolin Unit 5

5.0 Heatin Shell 5

5.1 Resistances at Heatin Elements 5

6.0 Li htin 6

7.0 Installation 8

8.0 Securin 9

9.0 Chan in the Slidin Hin e 10

10.0 Chan in the Decorative Panel 11

11.0 Automatic Door Control (ADC) 11

11.1 Mechanical ADC 11

11.2 Automatic Door Control (electrical) 13

12.0 Mountin a miniSafe 18

13.0 Storin Goods 19

14.0 Troubleshootin 20

15.0 Ener y Savin Tips 20

16.0 Technical Data 21

17.0 Wirin Dia rams 24

17.1 Refri erators without Li htin 24

17.2 Refri erators with Li htin 25

17.3 Refri erators with 55l/56l Capacity 26

18.0 HiPro Generation 27

19.0 HiPro Electronic 27

19.1 Temperature in the HiPro 27

compartment

19.2 Self-test of the electronics 28

19.3 Automatic fault analysis 28

19.4 Automatic Defrost Function 29

19.5 Coolin unit check 29

19.6 Heatin Shell 29

20.0 Li htin 30

21.0 Automatic Door Control 30

22.0 Operation intervention 30

23.0 Installation 31

24.0 Securin 31

25.0 Chan in the Slidin Hin e 31

26.0 Ener y Savin Tips 31

27.0 Manual fault analysis 32

28.0 Technical Data 32

29.0 Wirin Dia ram/ Occupancy electronics 33

TABLE OF CONTENTS

Summery of Models

Face lifting models and Greenline models are the latest generation of

miniBars/miniCools and consumes approximately 40% less energy than its

predecessors.

H 430LD H 330LD H 236LD

H 440LD H 340LD H 237LD

H 441LD H 341LD H 238LD

H 460LD H 360LD H 252LD

H 461LD H 361LD H 255LD

H 456LD/LDE H 356LD/LDE H 300LD

H 455LD H 355LD H 226LD

H 436D H 136D -

H 447D H 137D -

- EA 330/L -

- EA 355/L -

- EAW 3220 -

Changes Face-liftin models to Greenline models:

Automatic defrost -cycle and design

Changes Greenline models to Previous models: cooling unit, the heating

cartridge, lighting, insulation and electronic controls (Fuzzy Logic).

Electronics

Fuzzy Lo ic

All Greenline models and Facelifting models maintain a con-

stant temperature level which has been set at the beginning

of operation. This temperature level is controlled by

electronic intelligence in an energy-saving way.

Unlike conventional appliances, the electronic control

component does not switch on and off but controls (clocks)

the cooling units heating power in a way which does not

require system circulation to be interrupted.

The electronic controls sensor (A) is an air sensor. This means that the

sensor can react directly to the temperature inside the cooling appliance.

Fuzzy Lo ic with 2 sensors

By means of the second sensor the electronics carries out a leak detection

test. If leaks or blockages in the cooling unit are recognised the miniBar is

shut off by the electronics. The test is done after every defrost cycle

(every 24 hours).

After a Power-On- eset, the controllers software runs a self test routine to

check the function of the sensors. The result of the test is shown with the

length of the first duty-cycle of the heating element (jumper X4).

There are four different states which are shown in the following table:

2.0

1.0

Face lifting Greenline Models Previous Models

2.1

2.2

Status Duty-Cycle

both sensors o.k. 7 sec. ON

air-sensor missing/defective 9 sec. ON

evaporator-sensor missing/defective 12 sec. ON

both sensors missing/defective 15 sec. ON

If the air-sensor fails during normal operation, the software shuts down the

cooling unit in steps to 0.

In refrigerators without evaporator-sensor or if the evaporator-sensor is

defective the leakage test is not carried out.Then the new electronics works

like the previous one without leakage detection.

Automatic Defrost Function

The electronic also regulates the automatic defrosting of the refrigerator.

When the plug has been stuck to the socket the running time of the

refrigerator up to the first defrostin is 15 hours for reenline models

and 39 hours for the new face lift models (RH4XX). For all models the

defrostin takes 2 hours.Then the refri erator works 22 hours and

afterwards defrosts 2 hours. Therfore the starting of the refrigerators

determines the time of defrosting.

For example: Starting at 7.00h = first defrosting 22.00h - 24.00h (for facelift

models 22.00h next day)

3.0

TTTT

(39h)

X4, connection heatin element

Connections evaporator-sensor = Y3, Y4

Connections air-sensor = Y1, Y2

Do not chan e the

connections of the

evaporator-sensor and

the air-sensor !

Air-sensor

Evaporator-sensor

X1,X2,X3 = N

X5,X6 = L

In service case please pull sensor off

electrics and check by means of

measurement.

(ch. 15.0 Troubleshooting)

Ambient temperature°C esistance (kW)

0° 32,51 +/-2%

10° 19,86 +/-2%

15° 15,68 +/-2%

20° 12,48 +/-2%

Coolin Unit

The cooling unit has been optimised for the Greenline models and Face-

Lifting models. Unlike the cooling units of its predecessors, the Greenline

models and Face Lifting models cooling units can be replaced.

When replacin the coolin unit, however, the heatin element

(heatin shell) must be replaced as well.

Ammonia is used as a coolant. This is a natural compound also used in house

hold cleaning agents (1 litre of Salmiak cleaner contains up to 200g of

ammonia - about twice as much as is used in the refrigerator). For the safety of

hotel guests and personnel, it has been established by inspectors that the

coolant poses no threat to health.

Heatin Shell

The conventional heating element (previous models) is replaced by a hea-

ting shell. The heating shell is situated directly to the cooker tube. An optimal

efficiency ratio is achieved by means of a direct and enlarged contact area.

Measurin of resistances at heatin elements

4.0

In case service is required:

5.0

Attention please! The heating bowls upper

edge must be placed at the shown position

(142 mm).

Install the mounting clip at the centre of

the heating shell.

142 mm

esistances :

ch. 15.0 Troubleshooting

5.1

Connections N

and X4

Measure resistance...

...replace heating shell if required.

230V / 65 W heatin shell ~ 800WW

230V / 80 W heatin shell ~ 650WW

110V / 65 W heatin shell ~ 186WW

110V / 80 W heatin shell ~ 150WW

Li htin (except for RH 356LD/E, RH 456LD/E)

All Greenline and face lifting cooling appliances are equipped with sensor-

controlled lighting. The lightings sensor (proximity switch, A) is activated by

means of a magnet (B) which has been foam-installed into the door.

The lighting mechanism consists of two lamps for 180-250V operation

switched in series. For voltages of 100-140V, the lamps are switched in

parallel by means of a bridge.

A = Proximity switch

Take care when

replacin - pay

attention to correct

polarity

B = Magnet

Chan in bulbs:

6.0

180-250V 100-140V

The proximity switch (A) is mark with a N

on the left side in front (correct polarity) .

If you chance the proximity switch please

eighth of the polarity.

1. Pull out the

mains plug.

2. emove the

reflector disk.

3. emove defective

bulb.

4. Insert new bulb. 5. Clip reflector disk

back in.

Li htin for RH 356LD/LDE and RH 456LD/LDE

The above models are equipped with

separate warm shelf and cooling section

lighting. This lighting mechanism consists

of:

- sensor - switch

- 1 light bulb for warm shelf

- 2 light bulb for cooling section

- Transformer (output voltage 6V)

Pay attention to country-specific vol-

tages for the transformer!

Chan in bulbs:

1. Pull out the

mains plug.

2. emove the

reflector disk.

3. emove the

defective bulb.

4. Insert new bulb. 5.Clip reflector disk back in.

90°

Installation

7.0

1. The refri erator must be level both directions

2. There sould be 20mm clearance to the wall

3. Ventilation must be provided as shown in

alternatives A,B,C or D

4. The ventilation duct must at least measure

105mm x the wtdth of the refri erator

5. Only the entire coolin unit must project into

the duct as shown

6 Air passin throu h the duct must not be

preheated by any source of heat

7. Ventilation rills, if used, must have openin s

of at least 200cm² each

Please follow the installation details below

carefully. Guarantee is valid for products

installed as described only.

IMPORTANT:

20mm20mm

20mm

200cm²

Securin

RH 356LD/E, RH 456LD/E

RH136, RH137, RH330, EA330, RH340, RH341, RH360,

RH361, RH437, RH447, RH430, RH440, RH41, RH460,

RH461, EAW 3220

The miniBar must be screwed onto the cupboard using the lower hinges.

Recess dimensions in mm:

Model Hi ht Width Depth

H 430LD, H 330LD 526 388 432

H 436D, H 136D 526 388 432

EA 330L 526 388 432

H 440LD, H 340LD 558 405 466

H 447D, H 137D 558 405 466

H 441LD, H 341LD 558 405 469

H 456LD/E, H 356LD/E 662 454 523

H 460LD, H 360LD 567 490 494

H 461LD, H 361LD 567 490 494

EAW 3220 567 490 494

1. Tighten screw. 2. Put on cap.

8.0

1. Tighten screw. 2. Put on cap.

on level with furniture

Chan in the Slidin Hin e

9.0

1. 2.

3. 4.

Distance to cupboard door (A)

1. When closed, the cupboard door (A)

must not lie against the rest of the

surrounding cupboard area

(distance 1-2mm).

1. 2.

2. There must be a distance of

6-8mm between the cupboard

door and the miniBar.

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