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Model 700 Series -40C ____________________________________________________________Installation and Start-Up
a. Setting the Operating Temperature
The Model 700 Series -40°C freezers have an operating
temperature range of -10°C to -40°C. The freezer is shipped
from the factory with a temperature set point of -40°C. To
change the operating temperature set point:
1. Press the Mode key until the Set Temperature indicator
lights.
2. Press the up/down arrow key until the desired tempera-
ture set point is displayed.
3. Press Enter to save the set point.
4. Press the Mode key until the Run indicator lights for
Run mode
If no keys are pressed, the freezer will automatically
return to RUN mode after 5 minutes.
b. Setting the High Temperature Alarm
The high temperature alarm will activate an audible/visual
warning when the freezer chamber temperature has reached or
exceeded the high temperature alarm set point.
To set the high temperature alarm set point:
1. Press the Mode key until the Set High Alarm indicator
lights.
2. Press the up or down arrow key until the desired high
temperature alarm set point is displayed.
3. Press Enter to save the setting.
4. Press the Mode key until the Run indicator lights for
Run mode
If no control keys are pressed, the freezer will automatical-
ly return to RUN mode after 5 minutes.
Note: The high alarm set point must be set at least 5°C from
the control set point.
At initial start-up, the high temperature alarm is disabled
until the cabinet reaches set point or 12 hours elapse.
c. Setting the Low Temperature Alarm
The low temperature alarm will activate an audible/visual
warning when the freezer chamber temperature has reached or
decrease below the low temperature alarm set point.
To set the low temperature alarm set point:
1. Press the Mode key until the Set Low Alarm indicator
lights.
2. Press the up or down arrow key until the desired low
temperature alarm set point is displayed.
3. Press Enter to save the setting.
4. Press the Mode key until the Run indicator lights for
Run mode
If no control keys are pressed, the freezer will automatical-
ly return to RUN mode after 5 minutes.
Note: The low alarm set point must be set at least 5°C from
the control set point..
1.6 Run Mode
Run mode is the default mode for the freezer. Run mode
will display the cabinet temperature on the temperature display
under normal operating conditions. In addition, the Run mode
allows display of the high stage heat exchange temperature.
This information is scrolled by pressing the up or down
arrow keys. The display will return to the operating temperature
in 10 seconds if no keys are pressed.
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