Dometic tundra Technical Manual
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Dometic tundra Technical Manual

Dometic tundra Technical Manual

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Refrigerators & Freezers
Tundra Technical Manual
Service & Training
Revised: 10-22-03
L-2120

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Summary of Contents for Dometic tundra

  • Page 1 Refrigerators & Freezers Tundra Technical Manual Service & Training Revised: 10-22-03 L-2120...

  • Page 2: Table Of Contents

    Table of Contents Refrigerators & Freezers • Installation Warnings ........................................3 Tundra Installation Check List ..................................3 Locating the Dataplate Inspection and Handling Tundra Ventilation Requirements ..................................4 Electrical Connection DC Wiring ........................................5 DANFOSS Compressor Data ..................................5 Final Installation Notes Electrical Wiring Guidelines - Direct Current ..............................

  • Page 3: Refrigerators & Freezers • Installation

    Warnings • Carefully review all wiring diagrams included. If you purchase a DC only Tundra Unit, simply wire your unit directly to the This section of the manual refers to essential safety appropriate DC power source. If you purchased an AC/DC...

  • Page 4: Tundra Ventilation Requirements

    Tundra Ventilation Requirements Installation...

  • Page 5: Electrical Connection

    inches for air entry and discharge.) A lower entry, and Overload Protections upper discharge is preferred. See Ventilation Requirements The compressor overload and start protection cuts off diagram in this manual. power to the compressor if the compressor speed drops below approximately 1,900 rpm, or if this motor speed is Install appliance away from heat sources in a dry and well- not reached during the start sequence.

  • Page 6: Electrical Wiring Guidelines - Direct Current

    Electrical Wiring Guidelines - Direct Current ABYC Guideline E9 (below) meets or exceeds Trucking Industry Standard SAE J1292 Conductor Sizes for 3 Percent Drop in Voltage DC Wiring Diagram * Note: T18 & T22 Models use a 277-ohm resistor. Installation...

  • Page 7: Refrigerators & Freezers • Operation

    2. Adjustment Knob. Turn Clockwise This section of the manual refers to essential safety operation information for all compressor-type refrigerators and freezers provided by Dometic Corporation. • Before carrying out any maintenance or cleaning operations, disconnect appliance from power supply via the circuit breaker.

  • Page 8: Loading The Appliance

    Loading the Appliance Once you set the thermostat to a desired temperature, allow the unit to RUN at least 12 hours (24 hours for best results) before loading it with goods. For proper food storage and conservation refer to the table below: Food Storage Time...

  • Page 9: Refrigerators & Freezers • Maintenance

    Refrigerators & Freezers • Maintenance Defrosting Defrosting should be carried out whenever the frost layer exceeds a thickness of 1/8 inch. This is necessary to guarantee efficient refrigeration and to avoid excessive power consumption. Excess frost buildup will affect the appliance’s performance.

  • Page 10: Refrigerators & Freezers • Trouble-Shooting

    Refrigerators & Freezers • Trouble-Shooting The trouble-shooting guidelines below are arranged C. Insufficient Refrigerating Capacity sequentially and should be followed in order. Start with Check that: “General Trouble-Shooting” A, B & C; then go to “Specific 1. The door/lid is sealed properly and the hinges are Trouble-Shooting of Electrical Components”, starting with working correctly.
  • Page 11 cut-out is 10.4 volts and the cut-in is 11.7 volts. For 1 Flash = Battery protection cut-out (The battery 24VCD unit the cut-out is 22.8 and the cut-in is 24.2. If voltage was below the cut-out setting). Check the there is a drop in current, at start-up, below the cut-out source battery and/or alternative DC power voltage then the compressor will not operate.
  • Page 12 Figure 3.0 - Thermostat Circuit Figure 5.0 -Thermostat Resistor C. Checking the Thermostat Circuit Connect ohmmeter to either end of resistor assembly 1. Remove brown & blue wires from terminal “C” and from (Figure 5.0). This is a 277-ohm resistor, verify that it is resistor connected to terminal “T”.

  • Page 13: For Questions Or Service Call

    For questions or service call: Marine Industry – call your dealer or distributor, or call the F. The Refrigerant Circuit factory and ask for the Tundra service dept: 1. If the refrigerator seems to be running properly and passes all Florida - 954-973-2477 of the above tests and there is no cooling in the unit then the Virginia - 804-746-1313.

  • Page 14: Warning

    This water must to sink a vessel which could result in loss of life. All Dometic be drained from the cooling unit overboard. If condensate is...
  • Page 15 Notes:...
  • Page 16 Dometic Corporation P.O. Box 15299 • Richmond, VA 23227-0699 USA 804-746-1313 • Facsimile: 804-746-7248 • www.tundra.cc 2000 N. Andrews Ave. Ext. • Pompano Beach, FL 33069-1497 USA 954-973-2477 • Facsimile: 954-979-4414 Fleets Industrial Estate • 26 Willis Way • Poole, Dorset BH15 3SU, England L-2120 +44(0)870 3306101 •...

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