35
BACKUP COOLING KIT (OPTION)
This freezer can be provided with a Backup cooling kit (CVK-UB4) which is available as an optional
component. For the installation, refer to the instruction manual enclosed with the backup cooling kit.
1. Power switch (BACKUP)
When turning on the backup cooling kit, the backup standby lamp (green) is brightened. This means that
the backup cooling kit is ready. To stop the operation of the backup cooling kit, turn off this switch.
2. Test switch (TEST)
This switch is for checking the operation of Backup cooling kit. Pressing this switch is resulted in the
release of liquid carbon dioxide gas without backup cooling kit operation.
3. Temperature setting knob (TEMP. SET)
With this knob, set the temperature at which the backup cooling kit is operated. The effective set
temperature range is between -50
o
C and -70
o
C.
4. Backup standby lamp (BACK UP STANDBY)
A lamp that is activated in conjunction with the ON/OFF of the power switch of the Backup cooling kit.
5. Battery lamp (BATTERY)
This lamp is brightened in orange when the battery capacity is less.
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.
1
CVK-UB4 switch box
BACK UP
STANDBY
4
BATTERY
CVK-UB4 control panel
2
3
5
