Operation
Thermo Fisher Scientific
Laboratory and Plasma Freezers
11
7 Operation
7.1 Temperature Settings
The factory default temperature setting is -30
C for automatic defrost
freezers, including plasma freezers.
To change the factory temperature settings, refer to the instructions in
Section 6.3.
7.2 Start Up
To start up the freezer, complete the following steps:
1.
Plug in the power cord.
2.
All freezers except undercounter models have a double pole circuit
breaker switch located next to the power inlet. Make sure that is in the
ON (“1”) position.
3.
Insert the silver colored key in the switch on the control panel and turn
the power on, turning the key switch to position 1. The compressor and
the evaporator fans should start immediately.
4.
Rotate the power switch to the ALARM ON position when the
temperature drops below the warm alarm setpoint.
5.
If desired, lock the cabinet door using the gold colored key. Place
duplicate key copies in a safe place.
All controls should now be fully operational, the alarm activated, and all
visual indicators active.
CAUTION
: Do not operate strong radio emission sources such as
walkie-talkies within 3 feet of the freezer. EMI and RFI can affect the
performance of the control systems.
