Installation and Owner’s Manual 14
- If the distance is 12-20 feet, use #12 AWG min. wire
size.
- If the distance is over 20 feet, use #10 AWG min. wire
size.
2. To protect the DC power supply wiring, install a 15 amp fuse
or circuit breaker in the positive (+) DC power supply wire as
close to the battery as possible.
- There is a 10 amp automotive fuse in the DC circuit at the
refrigerator junction box.
3. Connect the DC power supply wires (See Art01655 and
Art01659):
CAUTION: If the DC power supply leads are attached
incorrectly, damage to the refrigerator power supply will
occur.
- Connect the positive (+) DC power supply lead to the red
wire [25] of the refrigerator.
- Connect the negative (-) DC power supply lead to the black
wire [26] of the refrigerator.
- Make sure that:
- Each DC power supply lead is attached to the correct
polarity wire of the refrigerator power supply.
- The chassis or the vehicle frame is not used as one of
the conductors.
- The DC power supply wires including the fuses are
routed directly from the battery to the refrigerator.
- The wire connections must be clean, tight and free of
corrosion. If any of these items are not correct:
- A voltage drop to the refrigerator will occur.
- The voltage drop will decrease the cooling
performance of the refrigerator.
CAUTION: Disconnect the positive (+) DC power supply
wire from the battery before you do a “fast charge” of the
battery. Failure to disconnect the positive (+) power
supply wire from the battery during a “fast charge” can
cause damage to the refrigerator or other DC appliances.
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