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FREEZER SYSTEM AND ADJUSTMENT
All self-contained value line and designer line standard freezers and low-
temperature freezers are designed and factory set to maintain an average cabinet
temperature of 0` f and -15`f respectively. All freezers are designed for the purpose
of holding pre-frozen food and although they are capable of freezing small
quantities of fresh food, they are not to be used as fast or blast freezers. Do not
attempt to freeze bulk quantities of fresh foods. The temperature control is
accessible from the top of the electrical console box located on the cabinet top
behind the front grill (see figure 6).if an adjustment is necessary to maintain the
above temperature range only on standard freezers, place a screwdriver into the
thermostat slot and turn clockwise for a colder cabinet temperature or
counterclockwise for a warmer cabinet temperature. On low-temperature freezers,
place a screwdriver into the right thermostat adjustment screw (do not turn the left
differential adjustment screw) and turn clockwise for a colder cabinet
temperature or counterclockwise for a warmer cabinet temperature. Further
adjustments out of the factory design temperature range must be made by a
qualified refrigeration mechanic only.
DEFROST OPERATION
All freezer models are equipped with an automatic, electric defrost system
consisting of an electric evaporator coil and drain pan heater, automatic electric
defrost time clock, defrost high limit switch, and a fan delay switch. The defrost
system is time initiated by the time clock and temperature terminated by the high
limit switch. The time clock is factory preset for three (3) defrost periods per day at
eight (8) hour intervals and a fail safe cut-off time of 32 minutes. These settings
should be adequate for most conditions, however, depending upon use and climate
conditions a fourth defrost may be required.
The defrost time clock is located in the electrical console box where a window
allows access to the timer dial. To set the time of day on the defrost time clock, turn
the knob on the center dial of timer face counterclockwise as the arrows indicate
until the correct time of day is lined up with the "time" arrow on the upper left corner
of the clock (see figure 8). It will be necessary to reset the time of day on the timer if
the freezer is turned off or has loss of power. To relocate and/or add a defrost
period, simply unscrew the defrost pins located around the outer dial and screw
them into the desired time slots (an additional pin is located in a storage slot on the
right side of the dial).
Important Note: All freezers have a unique, energy-saving defrost cycle. It is
time initiated, temperature terminated, with an automatic, auxiliary time cut-off
safety to minimize electrical consumption and provide for the shortest possible
heating cycle. This safety time cut-off is factory set at 32 minutes and should not
require any further adjustment.