Dometic DM2682 Refrigerator Instruction Manual

Manual Dometic DM2682 Refrigerator Instruction Manual

Dometic DM2682 Refrigerator Instruction Manual

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Dometic DM2682 Refrigerator

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Dometic DM2682 Refrigerator Instructions

Here we offer the Dometic DM2682 Refrigerator manual completely free and in English. We have cataloged this manual in the Refrigerator section on Manualverse, and it has been rated by 1 users with an average rating of 5. If you have any specific questions about Dometic DM2682 Refrigerator, we suggest checking the Frequently Asked Questions (FAQs) section of this manual.


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Dometic DM2682 Refrigerator Specifications

Feature Specification
Model Dometic DM2682 (DM Series RV Refrigerator)
Cooling System Absorption cooling (ammonia-based cooling unit)
Energy Configuration Two-way: 120 VAC and LP gas
Total Refrigerated Volume 6 cu. ft.
Control Power Supply Continuous 12 VDC required for electronic control
Minimum Control Operating Voltage 9.6 VDC
Operating Modes AUTO (AC priority, automatic switch to LP gas) and GAS (LP gas only)
Control Panel Buttons ON/OFF, AUTO/GAS Mode Selector, Temperature Selector
Indicator Lamps AUTO, GAS, AC, CHECK, Temperature setting lamps
Thermostat User-adjustable; controls both gas and electric operation
Ignition Electronic ignition; burner ignition attempt for about 45 seconds
Ignition Failure Alert CHECK lamp blinks with audible beep
Control System Fuse 3 A (resettable, do not replace with a standard fuse)
AC Heater Fuse 5 A
Number of Fuses 2 (two-way model)
Recommended Max. Altitude on LP Gas 5,500 ft above sea level
Ice Maker (if equipped) Water Pressure Minimum 15 psig
Ice Maker Water Line 1/4 in. diameter with accessible manual shutoff valve
Ice Maker Power 120 VAC
Ice Maker Heater Tape Activation Below 32 °F (0 °C), automatic
Shelving Removable wire shelves with plastic caps and shelf locks
Door Airing Position Card Yes
Certification ANSI Z21.19 and CSA 1.4 (Refrigerators using gas fuel)
Intended Use Recreational vehicles (RV) only
Warranty Limited two-year warranty (USA and Canada)
Manual Form No. 3317001.000, Revision A (7/18)

Dometic DM2682 Refrigerator Details

The Dometic DM2682 is designed to keep running even when a major component fails, thanks to its limp mode. If the display module stops working, the control system reverts to full automatic operation, keeps the temperature at the middle setting, and the power module keeps trying to restore the display. If the temperature sensor fails, the refrigerator runs on the energy source selected on the panel, with the cooling unit running continuously. It stays in this mode until a new sensor is installed and the system is reset.

Correct placement is important for absorption cooling. The refrigerator must be level whenever the RV is parked for several hours or more, because running noticeably out of level for long periods can cause a loss of cooling. Being level is not critical while you are driving. Cooling performance may also drop in sub-zero temperatures, which the manual describes as a normal, temporary condition for absorption refrigerators. When you first start the unit, set the thermostat to its coldest setting, because the cooling cycle can take a long time before you notice any cooling.

Storing food carefully improves both efficiency and freshness. The coldest areas are under the cooling fins and at the bottom of the cabinet, and the upper door shelves are the warmest. Let the unit cool before you load it, let hot food reach room temperature first, cover foods, and leave space for air to circulate. The frozen food compartment is not made for deep-freezing or quick-freezing. Precool meat and fish in the refrigerator first, and wipe moisture off items to limit frost buildup.

To make ice faster, set the thermostat to its highest setting. Once the ice has formed, set it back to normal so the cabinet does not get too cold. On units with an ice maker, the bale arm switches production on and off. Raise it about 1-1/2 hours before you travel so the water in the mold freezes and cannot splash out. You can change the cube size with the adjusting screw under the protective cover. Turn it no more than one revolution at a time, then let the ice maker cycle several times.

To defrost, switch the unit off, empty it, check that the drip tray is under the finned evaporator, and leave the doors open. Ice trays filled with hot water speed up the process. Never use a hot-air blower, because it can warp metal or plastic parts. Clean the interior liner with a lukewarm solution of baking soda and water. Use plain warm water for the evaporator, gasket and shelves. Check the vents for nests and gently brush dust off the rear coils.

When storing or winterizing the RV, defrost and clean the refrigerator, then use the door airing position card to keep the doors latched but slightly open. The control system draws a few milliamps even when switched off, so connect the batteries to a charger or turn off the main 12 VDC switch. If the burner does not light after the LP tanks are refilled or after a long period without use, turn the unit off and on up to four times to purge air from the gas lines.

The manual divides maintenance clearly between owner and technician. Owners can clean, defrost, winterize and change fuses. Gas connection checks, control system checks, burner cleaning and disposal must be done by a qualified technician. To keep the warranty valid, the owner must have annual preventive maintenance done at an authorized Dometic service center, starting on the first anniversary of the purchase, and keep the records.

Frequently Asked Questions (FAQs)

Can't find the answer you need? Here are some frequently asked questions about the Dometic DM2682 Refrigerator, and we answer them below.


Can the Dometic DM2682 run on 12 VDC power for cooling?
No. The DM2682 is a two-way model that cools on 120 VAC or LP gas. It needs a continuous 12 VDC supply only to power the electronic control. DC cooling mode is only available on the three-way DM2683.

How does AUTO mode select the energy source?
In AUTO mode, AC has priority over LP gas. If AC power is not available, the system switches to LP gas, and it switches back to AC once AC is available again.

What does a blinking and beeping CHECK lamp mean?
It means the burner did not ignite during the roughly 45-second ignition attempt. Turn the refrigerator OFF for five seconds and then ON again. The lamp and buzzer stay on until the unit is restarted, even if AC power becomes available.

How do I adjust the temperature on the DM2682?
Press the temperature selector button until the lamp at the setting you want lights up. On the DM2682, the thermostat controls both gas and electric operation.

Why is my refrigerator not cooling well at high altitude?
When running on LP gas above 5,500 feet, cooling performance may drop and the burner may go out. Switch to electric operation at these altitudes.

What fuses does the DM2682 use?
As a two-way model, it has two fuses: a 3 A resettable fuse for the control system, which must not be replaced with a standard fuse, and a 5 A fuse for the AC heater.

What is the total refrigerated volume of the DM2682?
The DM2682 has a total refrigerated volume of 6 cubic feet.

What should I do if the refrigerator smells of ammonia?
Turn it off right away at the front control panel and do not open the doors. Air out the RV and leave it. Then close the manual LP gas valve, disconnect the 120 VAC power at the rear of the refrigerator, and contact a Dometic service center.

Why is my refrigerator too cold?
Check that the thermistor bracket is clipped to the last evaporator fin on the right side of the cooling flange and centered vertically. Also check that the thermistor bulb sits inside the bracket groove.

What water supply does the optional ice maker require?
It needs a minimum water pressure of 15 psig, a 1/4 in. water line, and a manual shutoff valve that is easy to reach. The refrigerator must also be connected to 120 VAC.

How long is the warranty on the DM2682?
Dometic provides a limited two-year warranty for the original purchaser in the USA and Canada. To keep it valid, annual preventive maintenance must be done at an authorized Dometic service center.

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