Defrosting The Storage Tank; Defrosting The Vent Port - Thermo Scientific CRYO Plus 1 Operating And Maintenance Manual

Liquid nitrogen storage system
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Section 4
Maintenance
Defrosting the
To defrost the storage tank, remove the product and LN
from the tank.
2
Allow the tank to warm at room temperature.
Storage Tank
Caution Do not attempt to speed up LN
evaporation, or frost removal, by
2
blowing direct heat. Avoid using a heater or blowing compressed air into
the storage tank.
Defrosting the Vent
To defrost the vent port, open the lid and allow to warm at room
temperature. See Caution above.
Port
The opening of the storage container can be loosely covered while the vent
port thaws.
After the port has thawed, remove all moisture from the vent port area
before returning the tank to service.
Thermo Scientific
7007400 Cryoplus
4-3

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Cryo plus 2Cryo plus 3Cryo plus 47400 series74067407

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