Dometic RUA Series Refrigeration Technical and Customer Service Manual

Models Covered

• RUA5208X
• RUA6408X
• RUA8408X

Safety Instructions

• Warning: Risk of injury or death from incorrect assembly, connection, or product alterations.
• Caution: Risk of minor or moderate injury from improper handling or operation.
• Notice: Risk of property damage from misuse or neglect.

Scope of Delivery

• 1 Refrigerator
• 1 Drain hose
• 1 Bottom trim piece
• 1 Sealing strip
• Installation and Operating Manual

Accessories (Not Included)

• LS300 ventilation grille
• Dometic gas flue kit 3776
• Door reversing kit (RUA5208X only)

Intended Use

Designed for caravans or motorhomes for cooling and storing foodstuffs.
Operable on DC power supply, AC mains power supply, or universal LPG gas.

Installation Instructions

Preparing the Installation

Ensure a solid, level floor and accessible location for service and removal.

Dimensions and Recess Requirements

• RUA5208X: H=1191-1186mm, W=530-535mm, D≥621mm
• RUA6408X: H=1437-1442mm, W=530-535mm, D≥621mm
• RUA8408X: H=1647-1652mm, W=530-535mm, D≥621mm

Ventilation

Install with two side vents or one lower side vent and one roof vent.
Ensure proper air inlet and outlet for optimal performance.
Use LS300 ventilation grille for both upper and lower vents.
Install an air deflection plate above the condenser.
Insulation wool on top and sides of the cabinet is recommended.

Sealing and Safety

Install the refrigerator in a draught-proof location.
Use non-flammable materials for sealing.
A sealing strip is provided on the rear surface of the front frame.

Drain Water Hose Installation

Position the hole for the drain water hose carefully to avoid damage.
Ensure the hose drains water outside of the vehicle.

Ventilation Grille Installation

Ensure water resistance of the installation frame.
Fit the ventilation grille and secure with sliders.

Electrical and Gas Connections

Gas Supply: Must be connected by a specialist. Use universal LPG gas with an approved gas pressure regulator. The pressure must match the data plate.
Electrical Power Supply: Can be connected to 12 V DC and 230 – 240 V AC. Ensure proper cable sizes and fuse protection. The mains socket must be easily accessible.

Alternative DC Power Supply Connections

Various configurations are provided for connecting the refrigerator to DC power, including connections with Anderson plugs, vehicle alternators, or ignition switches.

Troubleshooting and Maintenance

Regularly check for leaks and ensure the ventilation system is clear of obstructions.
Perform annual maintenance checks on gas connections and electrical wiring.
Ensure the refrigerator is level for optimal performance.

Technical Specifications

• Gas Pressure: 2.75 kPa
• AC Power: 230 – 240 V
• DC Power: 12 V, with specific cable sizes and fuse protection as outlined.

Customer Service Notes

Always refer to the manufacturer's guidelines for installation and maintenance.
For repairs or parts, contact authorized service centers only.
Keep the installation and operating manual accessible for reference.

This manual serves as a comprehensive guide for technical staff and customer service representatives, providing all necessary information for the installation, operation, and troubleshooting of the Dometic RUA series refrigerators.