Operation
10 Installation and Operation Manual
Thermo Scientific Cryogenic Storage Freezers
20. Alarm On/Set Point Security Indicator. This indicator lights when the
alarm is activated. It also indicates that Setpoint Security is activated.
The following indicators are available only when the freezer is equipped
with the optional backup system:
21. Backup System Supply On Indicator.
22. Backup System Empty Indicator
23. Backup System Battery Low Indicator.
6.2 Initial Loading
After reading and completing the Safety Considerations, Pre-Inst0allation,
Installation, and Operation sections of this manual, turn the Key Switch to
the POWER ON position and adjust the temperature setpoint if necessary,
following the instructions in Section 6.3 below.
The setpoint should be -140°C for ULT10140 models, -150°C for UL7150
models.
Allow the freezer to operate at the desired temperature for a
minimum of 12 hours before loading.
CAUTION!
Failure to follow these procedures or overloading the unit may
cause undue stress on the compressor or jeopardize user product safety.
