Backup Cooling Kit (Option) - Panasonic MDF-594C Operating Instructions Manual

BACKUP COOLING KIT (OPTION)

WARNING
As with any equipment that uses CO
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.
devices.
The freezer is provided with an automatic liquid CO
freezer prevents the chamber temperature from going up by injecting the liquid CO
supply is disconnected (power failure, disconnection of power cord, breaker OFF) or in the case of failure
of freezer itself. The liquid CO
when the chamber temperature reaches the alarm temperature.
Following shows the procedure for setting the Backup cooling kit.
1. Setting of liquid CO
By using the joint and pipe enclosed with the
freezer, connect the liquid CO
of the Backup cooling kit. For this setting, consult
with a qualified gas supplier or our sales agency.
2. After setting the liquid CO
freezer until the chamber temperature reaches the
required level.
3. Set the warning indicator of the temperature
setting knob of the Backup cooling kit at the
temperature higher than -70
cooling kit is operated continuously if the warning
indicator is set at the temperature lower than -70
This means the liquid CO
quickly.
4. Switch on the Backup cooling kit.
5. Make sure that liquid CO
Note:
• The liquid CO cylinder loses its cooling capacity at speed when the ambient temperature is over 31
2
Install the liquid CO
CO cylinder varies depending on the ambient temperature. Refer to "Installation of Backup cooling kit"
2
enclosed with the freezer for the available backup time.
• The liquid CO cylinder should be a siphon type.
2
• Use the pipe encloses with the freezer for the setting. (The extension of the pipe is not permitted
because of cooling capacity.)
gas, there is a likelihood of oxygen depletion in the vicinity
2
These may include atmosphere monitoring and warning
is injected with the activation of solenoid valve energized by battery
2
cylinder
2
cylinder to the joint
2
cylinder, operate the
2
o
C. The Backup
is consumed very
2
spouts into the chamber by pressing the back-up test switch.
2
cylinder in the cool environment. And the duration of backup time per one liquid
2
injection device as a Backup cooling kit. This
2
Rough scheme
Battery
Solenoid valve
o
C.
28
when the power
2
Liquid CO
2
gas cylinder
Pipe
o
C.