Dometic RM4605 User Manual download pdf (Page 10)

The gas installation and servicing must be carried out by

an authorised person and conform to all relevant local

authorities.

The gas supply system must incorporate an approved

gas pressure regulator to maintain a supply pressure of

2,75 kPa.

The supply pipe should preferable be of copper. If any

other material is used, it must be of a type approved for

use with continuously operating bottled-gas appliances

and have threaded connections throughout.

All connectors etc. should be of a type specifically de-

signed for the type and diameter of the connection pipe

used, and screwed joints should be sealed with a joining

compound approved for use with bottled-gas.

The gas supply pipe should be connected to the gas

inlet connection at the rear of the refrigerator by means

of a suitable threaded coupling.

The connection nipple is furnished with an ISO 7/1 - Rp

1/8 internal pipe thread connection.

In making the connection to the refrigerator, a union gas

cock of an approved type bottled gas must be incorpo-

rated in the supply line in a position that is readily acces-

sible to the user. For eventual servicing purposes, the

union should be on the outlet side of the cock and the

pipework should be positioned so as not to prevent the

refrigerator from being readily withdrawn.

All completed connections should be checked for leaks

with soapy water.

WARNING!

DO NOT use a flame to check for gas leaks.

On completion of installation, the system must be

pressure tested by a qualified technician.

ELECTRICAL CONNECTION

The electrical installation must be carried out in a proper

and durable manner; taking into accounts all relevant

regulations and codes of practice.

For mains voltage operation, it is important that the

circuit to and in the motorhome is effectively earthed.

The refrigerator is equipped with a three-prong (ground-

ing) plug for your protection against shock hazards and

should be plugged directly into a properly grounded three-

prong receptacle. DO NOT cut off or remove the ground-

ing prong from this plug.

230-240 V Supplies.

Check that the voltage stated on the data plate is the

same as the main voltage in use (230-240 V).

Plug the 230-240 V refrigerator power cord into an eas-

ily accessible wall socket.

Exchange of supply cord

If the supply cord is damaged, it must be replaced by the

manufacturer, its service agent or similarly qualified per-

sons in order to avoid a hazard.

12 V and “D+” Connection

The 12 V connection of the refrigerator is shown in fig. 8.

The (+12 V) and (-) pole have to be connected directly to

the “house battery”. Do not use the chassis for the re-

turn lead.

12 V supply must not be connected to a voltage control-

ler or similar device as the AES itself monitors the DC

voltage.

+12 V should be permanent attached, and must not be

cut out when the ignition key is turned off.

All connections should be screwed or soldered to keep

voltage drop to a minimum.

The 12V DC heater is fused with a 30 A in-line fuse.

The connection D+ (alternator) has to be connected

to the corresponding outlet of the vehicles electri-

cal system, either a 12V or a 24V DC alternator.

IMPORTANT

Only 12V DC can be connected to the PCB.

Cross-sections

The D+ (alternator) is a signal cable and therefore 1-1.5

is sufficient.

Connection to 12 V + and - must be done with a 10 mm

wire if the total wire length (+ and - wire together) is

maximum 12 m.

If longer leads are needed, bigger dimensions are re-

quired.

Please consult a specialist, if you are not familiar

with the 12 V electrical system in your motor

home.

Electrical leads must be routed and secured so

that they cannot come into contact with hot or

sharp parts of the refrigerator.

FIG. 8

D+ signal from either a

12V or a 24V DC alternator

D+D+

Only 12V DC to the PC board.

Under no circumstances can 24V DC

be connected to the PC board.

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Dometic RM4605 User Manual Page 10

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