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Installation Manual 15
The rear of the refrigerator cooling system has hot surfaces and sharp surfaces that can damage electrical
wiring. Make sure that there is a good clearance between all electrical wiring and the cooling system of the
refrigerator. Position any electrical wiring within the refrigerator enclosure opposite the burner side of the
refrigerator. Do not put any electrical wiring through the roof exhaust vent. Failure to correctly position
electrical wiring can result in electrical shock or fi re.
Connect the 120 volts AC supply:
Connect the AC power cord(s) only to a grounded three-prong receptacle. Do not remove the round
ground prong from any of the AC power cords. Do not use a two prong adapter or an extension cord with
any of the AC power cords. Operation of the refrigerator without correct ground can cause dangerous
electrical shock or death if you are touching the metal parts of the refrigerator.
Put the AC power cord(s) into a grounded three-prong receptacle:
- Make sure the receptacle is positioned within easy reach of the lower intake vent.
- Make sure the power cord(s) does not touch the burner cover, the fl ue pipe, or any hot component that could damage the insulation
of the power cord.
Connect the 12 volts DC supply:
As the distance from the vehicle battery to the refrigerator increases, the correct AWG wire size and fuse size also increases. If the
wire size is too small for the distance, a voltage drop occurs. The voltage drop decreases the output of the system heater and causes
poor cooling performance.
1. Determine the min. wire size and the max. fuse size to use:
If you use an incorrect wire size and/or fuse size,
electrical fi re can result.
- On 2-way models, use a minimum of 18 AWG wire and a maximum 6 Amp
fuse.
2. Install a fuse in DC power supply wires between the battery and the
refrigerator:
- Put fuse as close to the battery as possible.
3. Connect the DC power supply wires (See Art02402):
- Attach a 1/4 inch Quick Connect terminal to each DC power supply wire.
- Push the positive DC power wire onto the power board terminal that is
marked 12VDC [288].
- Push the DC ground wire onto the power board terminal that is marked GND [287].
- Make sure each DC power supply wire is on the correct polarity terminal.
Art02402
287
288
WARNING
!
WARNING
!
WARNING
!
Connect the Low Ambient Heater
Connect the low ambient heater wires to the 12 volts DC supply. The black (+) wire of the low ambient heater connects to 12V and the
brown wire connects to 12V ground.
This kit supplies DC voltage to the heater any time the ambient temperature is low enough. Extended storage during
cold weather will drain the vehicle batteries. To prevent battery drain, remove the 3 amp fuse from the low ambient
heater.
NOTICE
15


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