Dometic RM4223 User Manual download pdf (Page 8)

2. CONTROLS

The gas and electric controls are located at the rear of

the refrigerator and are accessible through the lower

vents in the outside wall of the vehicle. See FIG. 8.

A = DC ON/OFF SWITCH

B = AC ON/OFF SWITCH

C = ELECTRIC

THERMOSTAT

D = GAS ON/OFF VALVE

E = PIEZO IGNITER

F = GAS THERMOSTAT

G = DC TERMINAL BLOCK

H = GAS INLET FITTING

3. OPERATING INSTRUCTIONS

A. LP GAS OPERATION

After initial installation, servicing, or changing gas cylin-

ders, etc., the gas line may contain some air which

should be allowed to escape by briefly turning on the

refrigerator or other gas appliances. This will ensure that

the flame lights immediately. See FIG. 8 for control locati-

on and identification.

1) Open the shutoff valve of the gas bottle. Check that

there is enough gas.Open any on-board shutoff valve

which is in the gas line to the refrigerator.

2) Open the lower vent at the rear of the refrigerator on

the outside of the vehicle, and switch the electrical

toggle switches A and B to the "OFF" position.

3) Turn the gas thermostat control (F) to the highest

setting.

4) Depress the knob (D) of the flame failure device, turn

it to position ON, and hold it down while depres-

sing the piezo igniter button (E) several times in quick

succession (a click should be heard each time it is

depressed).

5) Keep the knob depressed for a further 10-15

seconds.

6) Release the knob and check for flame by looking

through the opening in the metal burner cover.

7) If the burner has not lit, repeat the lighting procedure.

If the burner fails to light within a couple of attempts,

contact a qualified technician or your dealer.

NOTE: The refrigerator has a flame failure device

which will automatically shut off the gas to the bur-

ner if the flame is blown out. While the knob (D) is

being held in, this device is temporarily inoperative.

8) If the ambient temperature is above 80°F and/or the

door of the refrigerator is opened frequently the knob

(F) should be left in higher position.

9) To terminate gas operation, turn knob (D) to the

"OFF" position.

DO NOT attempt to operate the refrigerator by

both gas and electricity at the same time. Always

ensure that one method of operation is turned off

before using the alternate energy source.

FIG. 8

CONTROLS

RM 4223

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Dometic RM4223 User Manual Page 8

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