35
BACKUP COOLING KIT (OPTION)
WARNING
As with any equipment that uses CO
2
or N
2
, 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 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.
Do not set it up in less than -70
o
C.
4.
Backup standby lamp (BACK UP STANDBY)
This lamp is on/off conjunction with the operation of
switch of backup cooling kit.
1
2
3
BACK UP
STANDBY
4
Door switch box
