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Operation
Warning
This product is NOT approved for stor-
age of flammable or explosive materi-
als. Also, it is NOT approved for use
in hazardous locations containing
explosive atmospheres.
Note
The compressor requires a time
delay between activations. The unit
will not cool during this delay. This
delay time will also be in affect
immediately after power-up.
10
Digital
Display
Mode LED
Menu Key Pad
Up-Arrow Key Pad
Down-Arrow Key Pad
Begin operation by inserting the key into the key switch
located on the header panel. The key switch is packed
inside the envelope, which is shipped in the freezer cham-
ber. Turning the key switch to the ON ( | ) position will
energize the compressor and condenser fans and the dig-
ital controller. All models delay the evaporator fans from
starting until the evaporator temperature has pulled down
to 25°F. When the evaporator fans begin running, a
switch behind each door will stop the fans while the door
is opened. This is to minimize loss of cold air while the
door(s) are open.
Control Layout
Before operation, become familiar with the freezer con-
trols located on the header panel. A layout of the controls
is given below:
Light Switch
Temperature Controller
The digital temperature controller is located on the center
of the header panel (See Figure 4). When the unit is ini-
tially turned on, the display will indicate current chamber
temperature. The temperature units will be indicated by
the °C or °F LED located just to the right of the tempera-
ture display. The freezer is factory set to -15°C. A time
delay is programmed into the controller to provide suffi-
cient time for the system pressure to equalize. When the
delay time is over, the Cool LED will illuminate, the com-
pressor will run and the chamber will cool.
Units
Key Switch (On/Off)
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