Service manual

As seen in the chart on page A-6-26, the
gauge of wire required to the positive and
negative connections on the terminal block will
depend on the size of the refrigerator and the
length of wire run from the house battery to
the terminal block. This 12 volt circuit must be
fused. The maximum fuse size should be 30
amps.
Be sure that a separate negative wire lead
coming directly from the battery is connected
to the negative terminal on the refrigerator
and that a frame or chassis ground is not used
as a substitute. Be certain that no other 12 volt
equipment or lighting is connected to the
refrigerator circuit. For the refrigerator to
operate properly on any heat source, the
terminal block must receive between 10.5 and
13.5 volts DC.
(82)
If any other technical information is needed
when diagnosing or repairing any 12 volt
circuit problem the technical data sheet can
give you other beneficial information, such as
heater wattages and amperage draws. (Refer
also to Service Bulletin 28).
(83)
Please note that if a battery converter is used
as the sole DC power source, the refrigerator
will not operate properly. The pulsating DC
power created by the converter will confuse
the electronic circuitry into erratic operation
and possible printed circuit board failure.
When a battery converter is utilized in the
installation, the circuit must be wired as shown
in the diagram on page A-6-29.
(see page A-6-26)
(see page A-6-27)
(see page A-6-28)
(see page A-6-29)
A-6-25