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BACK-UP SYSTEM (OPTION)
WARNING
As with any equipment that uses CO
2
gas, there is a likelihood of oxygen depletion in the vicinity
of the equipment. It is important that you assess the work site to endure there is suitable and
sufficient ventilation. If restricted ventilation is suspected, then other methods of ensuring a safe
environment must be considered. These may include atmosphere monitoring and warning
devices.
This freezer can be provided with a back-up system (CVK-UB2) which is available as an optional
component. For the installation, refer to the instruction manual enclosed with the system.
1. Switch of back-up system (BACKUP)
When turning on the system, the lamp is brightened.
This means that the system is ready. To stop the
operation of the system, turn off this switch.
2. Test switch (TEST)
This switch is for checking the operation of back-up
system. Pressing this switch is resulted in the release
of liquid carbon dioxide without system operation.
3. Temperature setting knob (TEMP. SET)
With this knob, set the temperature at which the system
is operated. The effective set temperature range is
between -50
o
C and -70
o
C.
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2
3