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

H

C

=

ELECTRIC

 

 

 

THERMOSTAT

 

D= GAS ON/OFF VALVE

E

=

PIEZO IGNITER

 

 

F

=

GAS THERMOSTAT

G

 

G

=

DC TERMINAL BLOCK

C

 

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.

FIG. 8

CONTROLS

RM 4223

E

D

F

BA

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.

8

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Dometic RM 4223 manual Controls, Operating Instructions
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RM 4223 specifications

The Dometic RM 4223 is a prominent absorption refrigerator designed to cater to the needs of campers, RV enthusiasts, and those who enjoy the great outdoors. Renowned for its reliability and efficient cooling capabilities, this model exemplifies modern advancements in portable refrigeration technology.

One of the standout features of the Dometic RM 4223 is its remarkable cooling performance. Utilizing a proven absorption cooling system, it operates quietly and efficiently, providing consistent cooling without the noise commonly associated with traditional compressor refrigerators. This makes it an ideal addition to any RV or camper where serenity is paramount.

With a capacity of approximately 3.6 cubic feet, the RM 4223 has ample space to accommodate essential food items and beverages for your trips. The interior design includes adjustable shelving, allowing users to customize the layout to suit their storage needs. This flexibility ensures that everything from larger bottles to smaller items can be neatly arranged.

The Dometic RM 4223 is designed for versatility, featuring three power source options: 12V DC, 110V AC, and propane. This multi-power capability ensures that whether you’re on the road, in a campsite, or off-grid, you'll have reliable refrigeration at your fingertips. Switching between power sources is seamless, providing users with the freedom to choose the most convenient option.

Another significant characteristic of the RM 4223 is its robust build quality. Built to withstand the rigors of travel, this refrigerator is constructed with high-quality materials that ensure durability. It also boasts a sleek design that fits well with the aesthetic of modern RV interiors.

Efficiency is a core attribute of the Dometic RM 4223. With its energy-saving technology, it minimizes power consumption, making it an environmentally friendly choice. Users can rest easy knowing they’re making a sustainable option while enjoying the comforts of home on the road.

Finally, the compact dimensions of the RM 4223 make it easy to install in various spaces without sacrificing valuable room. This model combines functionality with user-friendly operation, making it a popular choice for those who prioritize comfort and convenience during their travels. In summary, the Dometic RM 4223 is a reliable, efficient, and versatile refrigerator that enhances the camping and RV experience, featuring advanced cooling technology, multiple power options, and a commitment to durability.
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