Operation
Thermo Scientific Cryopgenic Storage Freezers
Installation and Operation Manual
11
6.3 Start Up
Refer to Figure 1 as you complete the following procedures.
6.3.1 Turning the Power On
To start up your cryogenic freezer, complete the following steps:
1. Connect the freezer to the power source.
2. Turn the key switch to the POWER ON position. The Power On LED
and the Cabinet Temperature LED illuminate.
Note:
The alarm function is not active at this time. Refer to 6.3.3 for
information about setting the alarms. In addition, the Setpoint Security will be
deactivated in this key position.
3. The unit will start about 30 seconds later.
6.3.2 Setting the Cabinet
Temperature
To set the cabinet temperature, complete the following steps:
1. Press and hold the Control Setpoint pad.
2. The Control setpoint LED lights and the Cabinet Temperature LED
goes out.
3. Press and hold to increase the temperature or to decrease the
temperature. The digital display scrolls through temperature settings.
Required setpoint is -140°C for 10140 models, -150°C for 7150
models.
4. Release both pads when the digital temperature display window shows
the correct setpoint value.
Note:
If no keys are pressed within ten seconds, the temperature display reverts
to the cabinet temperature.
