Set The Operating Temperature; Set The High Temperature Alarm - Thermo Scientific 8600 Series Operating And Maintenance Manual

Set the Operating
Temperature
Set the High Temperature
Thermo Scientific
All Model 8600 Series freezers have an operating temperature range of
-50°C to -86°C, depending on ambient temperature. The freezer is shipped
from the factory with a temperature set point of -80°C. To change the
operating temperature set point:
1. Press the Mode key until the Settings indicator lights.
2. Press the right arrow until "SET PT = -XX" is displayed in the message
center.
3. Press the up/down arrow key until the desired temperature set point is
displayed.
4. Press Enter to save the set point.
5. Press the Mode key until the Run indicator lights for Run mode or
press the right/left arrow keys to go to next/previous parameter.
If no control keys are pressed, the freezer will automatically return to RUN
mode after 5 minutes.
The high temperature alarm will activate an audible/visual warning when
the freezer chamber temperature has reached or exceeded the high
Alarm
temperature alarm set point. To set the high temperature alarm set point:
1. Press the Mode key until the Set indicator lights.
2. Press the right arrow until "HI ALM = -XX" is displayed in the
message center.
3. Press the up or down arrow key until the desired high temperature
alarm set point is displayed.
4. Press Enter to save the setting.
5. Press the Mode key until the Run indicator lights or press the right or
left arrow to go to the next or previous parameter.
If no control keys are pressed, the freezer will automatically 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.
s
Note At initial start-up, the high temperature alarm is disabled until the
cabinet reaches set point or 12 hours elapse.
Installation and Start-Up
s
Model 8600 Series
Section 1
1-9