Dometic RM2620 User Manual download pdf (Page 16)

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MAINTENANCE & SERVICE

ELECTRIC EQUIPMENT

Cartridge heater

The heat necessary for the operation of an absorption cooling

unit is supplied by an electric heater mounted in a pocket of the

boiler system. The refrigerator is equipped with one electrical

heater for 120 V AC.

To replace the heater, follow these steps:

Disconnect the wall plug, and the 12 volt wires.

Remove the protection cover.

Remove the power module cover.

Disconnect the heater leads.

With a pair of pliers, unfold the lug holding the lid of

the boiler casing and then, open the lid.

Remove some insulation wool so that the heater is

accessible.

Turn and lift the heater out of its pocket.

Fit the new heater into the pocket.

Connect the leads and put back the power module

cover.

Put the insulation wool back and then, close the lid

of the boiler.

Put back the protection cover.

Fuses

The refrigerator is equipped with 2 fuses. One fuse for the

refrigerator control system (3A) and one for the AC cartridge

heater (5A).

To replace the fuses, follow these steps:

Disconnect the wall plug and the 12 volt wires.

Remove the power module cover.

Snap the fuse out of the fuse holder.

Fit the new fuse in to the fuse holder.

Replace the power module cover.

10.

11.

CHECKING THE CONNECTIONS

Do not use an open ﬂ ame to check for gas leaks!

Make sure the LP gas supply is turned on.

Check all connections in the LP gas system for gas

leaks.

Apply a non-corrosive bubble solution to all LP gas

connections. The appearance of bubbles indicates a

leak and should be repaired

immediately

CHECKING THE CONTROL SYSTEM

Check the AMES control system by connecting/disconnecting

the 120 V AC power, starting/stopping the engine, etc.

CHECKING THE LP GAS PRESSURE

The LP gas pressure should be checked and readjusted if neces-

sary. The correct operating pressure is 11 inches of water col-

umn. Measure the LP gas pressure at the test port, just ahead

of the burner jet.

Gas equipment assembly

SOLENOID VALVE

INLET

FITTING

BURNER

MOUNTING SCREWS

BURNER

JET

SPARK ELECTRODE

BURNER

TUBE

PRE

SSURE TEST PORT

MANUAL SHUTOFF VALVE

Shown

in open position

Service must be done on a regular schedule to keep the refrigerator operating properly. Refer all servicing to

qualiﬁ ed service personnel.

WARNING

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Dometic RM2620 User Manual Page 16

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