33
BACKUP COOLING KIT (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 backup cooling kit (CVK-UB2 / CVK-UB2I / CVK-UBN2) which is
available as an optional component. For the installation, refer to the instruction manual enclosed with
the backup cooling kit.
Contact our sales representative or agent for the installation of a temperature recorder.
1.
Switch of backup cooling kit (BACKUP)
When turning on the backup cooling kit, the backup standby
lamp 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 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.
Note:
Do not set the temperature setting knob to the temperature
lower than -70
o
C to avoid the early consumption of CO
2
or N
2
gas resulting from continuous injection.
4.
Backup standby lamp (BACK UP STANDBY)
A backup standby lamp is turned on when the switch of
backup cooling kit is on.
1
2
3
BACK UP
STANDBY
4
Door switch box
