Maintenance & Service - Dometic RM2620 Installation & Operating Instructions Manual

maintenance & service
Service must be done on a regular schedule to keep the refrigerator operating properly. Refer all servicing to
qualified service personnel.
If your refrigerator stops cooling, immediately turn the refrigerator off and see a Dometic dealer.
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:
1. Disconnect the wall plug, and the 12 volt wires.
2. Remove the protection cover.
3. Remove the power module cover.
4. Disconnect the heater leads.
5. With a pair of pliers, unfold the lug holding the lid of
the boiler casing and then, open the lid.
6. Remove some insulation wool so that the heater is
accessible.
7. Turn and lift the heater out of its pocket.
8. Fit the new heater into the pocket.
9. Connect the leads and put back the power module
cover.
10. Put the insulation wool back and then, close the lid
of the boiler.
11. 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:
1. Disconnect the wall plug and the 12 volt wires.
2. Remove the power module cover.
3. Snap the fuse out of the fuse holder.
4. Fit the new fuse in to the fuse holder.
5. Replace the power module cover.
CAUTION
CheCking the ConneCtions
6
eXPLoSIoN HAZARD. Never use an open flame
to check for gas leaks. Failure to heed this warn-
ing could cause an explosion resulting in death or
severe personal injury.
1. Make sure the LP gas supply is turned on.
2. Check all connections in the LP gas system for gas
leaks.
3. 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.
INLET FITTING
MANUAL SHUTOFF VALVE
Shown in open position
PRESSURE TEST PORT
- 13 -
!
wARNINg
SOLENOID VALVE
BURNER MOUNTING SCREWS
BURNER JET
BURNER TUBE
SPARK ELECTRODE