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Dometic RM2604 User Manual

Dometic RM2604
13 pages
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Foreword
This service manual is the result of the
dedication of The
Dometic
Corporation and
its engineers in giving service people the
necessary instruction for making accurate
analyses of certain conditions. Provided is
a diagnostic chart leading a qualified
mechanic into the service manual pages to
locate and solve symptoms which may
occur.
Dometic
has continued its
commitment in providing service people
with this, the most up-to-date information
about servicing
Dometic
RV accessories.
Form No. 3 106930.005
2/96
(Replaces 05
1409
1/93)
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Dometic RM2604 Specifications

General IconGeneral
BrandDometic
ModelRM2604
CategoryRefrigerator
LanguageEnglish

Summary

Foreword

AC Voltage Requirements

AC Components

Heating Element

Checks resistance of the AC heating element at room temperature.

Thermostat

Tests thermostat continuity or bypasses it to check AC heating element control.

DC Voltage Requirements

DC Components

Selector Switch Function

Verifies continuity for AC, Gas, and DC modes to ensure proper operation selection.

Igniter Operation and Testing

Checks igniter voltage, spark production, and lamp illumination for gas ignition.

Electrode Inspection

Inspects electrode for ceramic insulator cracks and verifies spark gap setting.

High Voltage Cable Check

Tests the high voltage cable for continuity and proper spark transfer to the electrode.

Door Switch Function

Checks door switch continuity when the door is open and closed for interior light control.

DC Heating Element Relay

Verifies voltage at relay terminals to control the DC heating element in 3-way models.

DC Heating Element Resistance

Measures DC heating element resistance for 3-way models to ensure proper operation.

LP Gas Requirements

LP Gas Components

Shut-Off Valve

Inspects the shut-off valve for obstructions to ensure proper gas supply control.

Filter

Checks the filter for saturation or blockage that could restrict gas flow.

Thermostat Calibration and Flow

Tests thermostat calibration and checks gas flow at maximum setting for proper cooling.

By-Pass Screw Function

Measures low flame mode pressure to check by-pass screw function for correct gas flow.

Wiring

External Wiring Connections

Details 120V AC and 12V DC connections for igniter, light, and heating element.

Internal Wiring Diagram

Provides diagrams for 2-way and 3-way models, detailing internal electrical connections.

Other Operational Factors

Leveling Requirements

Ensures proper refrigerator operation by maintaining correct vehicle leveling.

Ventilation for Cooling Unit

Details requirements for directing hot air away from the cooling unit for efficiency.

Air Leaks

Addresses how air leaks cause insufficient cooling and rapid frost formation.

Door Position and Alignment

Checks door alignment for proper seal and interior light operation.

Ambient Temperature Effects

Explains how ambient temperature impacts cooling unit efficiency and performance.

Cooling Unit Check

Procedure to verify cooling unit function by testing AC heating element and temperature.

Food Storage Guidelines

Tips for proper air circulation and food storage to maintain refrigeration efficiency.

High Humidity Impact

Discusses how high humidity can cause condensation and frost formation.

Interior Liner Seal Integrity

Checks the seal between the interior liner and frame for cold air migration.

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