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C
ONTROLS
Note
The key can be pulled in the Off or
the Alarm Enable position.
8
freezer can then be switched to the Alarm Enable posi-
tion. While in the Alarm Enable position, the menu items
can be viewed but not changed. The key can then be
pulled to secure the values entered.
Temperature Display
The temperature display indicates chamber temperature
while in the control mode of operation and menu titles and
values while entering menu items (see Menus).
Units LED'S
The temperature display indicates chamber temperature
in both °C and °F. The current units are indicated by the
corresponding LED located to the right of the temperature
display.
Mode LED
The Mode LED is lit when the Menu keypad has been
pressed. It indicates to the user that the controller is in
the menu selection mode.
Cool LED
The Cool LED is lit when the controller calls for cooling.
When this LED comes on the compressor should ener-
gize.
Alarm LED'S
Door Ajar - This LED is illuminated when a freezer door(s)
is opened.
Over Temp – Indicates the current chamber temperature
exceeds the high alarm temperature set point.
Under Temp – Indicates the current chamber temperature
is lower than the low alarm temperature set point.
Power Out – Indicates AC power to the freezer is disrupt-
ed.
Alarm Test – Indicates the controller is running an alarm
test.
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