E. CLEANING

Cleaning the refrigerator is usually done after it is defro- sted or put into storage. To clean the interior of the refri- gerator, use lukewarm water and a mild dishwashing detergent. Use only warm water to clean the finned eva- porator, gaskets, ice trays and shelves. NEVER use strong chemicals or abrasives to clean these parts as the protective surfaces will be damaged. It is important to always keep the refrigerator clean.

F. SHUTOFF (STORAGE PROCEDURE)

Place the toggle switches for DC and AC operation to the "OFF" position or turn the gas valve to position "OFF", as applicable. See FIG. 8.

When not in use, the refrigerator should be emptied, cle- aned and dried and the door left open so that fresh air can circulate inside.

The travel latch placed in the second hole will hold the door ajar and allow air to circulate.

! CAUTION

DO NOT store explosive substances in the refrigera- tor, such as cigarette lighter gas, petrol, ether or the like.

SECTION D. MAINTENANCE & SERVICE

TIPS FOR THE SERVICE TECHNICIAN

The user should be aware of service that must be done on a regular schedule to keep the refrigerator operating properly. The service should only be performed by a qualified technician who is familiar with LP gas systems and refrigerators.

1.REFRIGERATOR REMOVAL

Before working on, or removing the refrigerator, make sure the electrical supply (AC and DC) is turned OFF before leads are disconnected. Shut off the gas supply. Disconnect and cap the gas supply line. Loosen the screws anchoring the refrigerator to the enclosure and slide the refrigerator out of the compartment.

Replacement is the reverse of removal. Check all connections for gas leaks.Refer to Section A, Item 1 through 13 of Installation Instructions.

2. PERIODIC MAINTENANCE

To keep a Dometic refrigerator operating efficiently and safely, periodic inspection and cleaning of several com- ponents once or twice a year is recommended.

A. It is important to keep the area at the back of the refri- gerator clean. Check the lower vent, upper vent and area between these openings for any obstructions such as bird/insect nests, spider webs, etc. Clean the coils on the back of the refrigerator. Use a soft brist led brush to dust off the coils..

NOTE: AVOID SPRAYING WATER THROUGH THE REFRIGERATOR VENTS WHEN WASHING THE RV.

It is important to keep the refrigerator vent area free from combustible material, gasoline and other flammable vapors or liquids.

B. Check all connections in the LP gas system (at the back of the refrigerator) for gas leaks. The LP gas supply must be turned on. Apply a noncorrosive bubble solution to all LP gas connections. The appea rance of bubbles indicates a leak and should be repaired immediately by a qualified serviceman who is familiar with LP gas systems and refrigerators.

! WARNING

DO NOT USE A FLAME TO CHECK FOR GAS LEAKS.

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Dometic RM 4223 manual Section D. Maintenance & Service, Refrigerator Removal, Periodic Maintenance
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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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