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tem not only supplies power to the refrigerator, but to
other DC components in the vehicle.
DC electric operation is not as efficient as LP Gas
or AC electric operation, and should therefore be
used only when the other modes are unavailable (for
example; while in transit - 4 to 6 hours). Reminder,
before using the DC electric mode, the refrigerator
must be cooled using either gas or electric.
High Humidity - Storage Switch
Models 482,3 & 462,3 Only
The models 482,3 and 462,3 are equipped with a
heater that prevents moisture from forming on the
center divider between the freezer and the fresh food
compartment doors. The heater is activated by turn-
ing the NORMAL OPERATION-STORAGE-HIGH
HUMIDITY switch to the HIGH HUMIDITY position.
The switch should be left in the NORMAL OPERA-
TION position unless condensation is observed in
this area.
When your RV is being stored for the winter, the
High Humidity - Storage switch should be placed in
the STORAGE (light off) position and ELEC-OFF-
GAS control to OFF. This shuts off all DC power to
the light and humidity heater and allows the refrigera-
tor door to be left open for airing without chance of
battery drain during storage (See "Information Re-
garding Battery Drain")
Interior Light-Models 482,3 & 462,3 Only
The interior light is located at the top of the fresh
food compartment. The light will turn on when the
fresh food compartment door is opened and off when
the door is closed. Power to the light is activated
when the NORMAL OPERATION-STORAGE-HIGH
HUMIDITY switch is set to either NORMAL OPERA-
TION or HIGH HUMIDITY positions.
To replace the light bulb, disconnect the 12 volt DC
from the refrigerator from the rear of the refrigerator.
Remove the light cover by sliding it towards the front
to gain access to the bulb.
CAUTION: Do not replace with a bulb of
higher wattage. Higher wattage bulbs can
damage the interior surface of the fresh
food compartment.
Remove the bulb from its bracket. Replace the bulb
with a GE #214-2 bulb (Norcold part number
61628922), which can be purchased from most retail
automotive centers. Re-install light cover. Reconnect
the 12 volt DC.
Information Regarding Battery Drain
A 12 volt DC source is required for the gas mode
and the DC electric mode of operations. For the
gas operation, the DC power source supplies volt-
age for the electronic ignition. The current draw is
less than 30 milliamps. For models 482,3 and
462,3, if the HIGH HUMIDITY (MOISTURE RE-
DUCTION HEATER) and the interior light were left
on, the total DC current draw would be 900 mil-
liamps (.9 amps). This indicates that the drain on
the battery is very low and has little effect on "bat-
tery run down" unless the battery is left connected
for long periods of time without recharging.
During AC electric operation there is no battery cur-
rent drain, unless the interior light or moisture reduc-
tion heater (HIGH HUMIDITY) is energized (
models
482,3 and 462,3
).
For the DC electric operation, the DC power source
supplies voltage for the cartridge heating element.
For models 443 and 453, the DC electric operation
draws approximately 9 amps at 12 volt DC. For mod-
els 483 and 463, the DC electric operation draws ap-
proximately 14 amps at 12 volt DC. If the battery
charging means is lost during DC operation, for in-
stance during short stops, the refrigerator could be
switched to Gas, AC (if connected) or to the Standby
switch position until the charging means is re-estab-
lished.
The DC voltage should be checked while operating
in the DC mode. The voltage at the refrigerator
should never drop below 11.5 volts.
During periods when the refrigerator is not used
(seasonal storage, etc.) the NORMAL OPERATION-
STORAGE-HIGH HUMIDITY switch should be
switched to STORAGE and the ELEC-OFF-GAS set
at OFF. This shuts off all DC drain. The Ignitor switch
must be turned off when not in use.
Operation in Transit
While the refrigerator should be level when the ve-
hicle is stopped, performance during transit is not
normally affected.
Refrigerator Storage Volume
Models 482,3 462,3
Storage Volume 7.5 cu. ft. 5.9 cu. ft
Models 442,3 452,3
Storage Volume 3.1 cu.ft. 4.3 cu. ft.
Figure 21
16