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ii
the window is shut and locked;
iii the key is removed from the Control Panel.
Normally, the chamber will return to the set temperature after fumigation and the
formaldehyde will condense. However, if ‘DAY 9’ is set in the fumigation program,
the instrument goes into ‘Standby Mode’ (PSAVE) after fumigation is completed. To
neutralise the formaldehyde fumes, carefully open the window and insert a beaker
containing 10 ml of Ammonia SG 0.88 in the Refrigeration Chamber to absorb residual
formaldehyde from the atmosphere in the Chamber. Keep the chamber closed while
allowing the beaker to stand for an hour.
Note
1 For safety, the fumigation cycle cannot take place if the window is not closed
and locked.
If the Cryotome is not refrozen after fumigation has taken place,
formaldehyde fumes will be present in the chamber. Take care when
opening the window.
5.3
CLEANING
Use a proprietary spray foam cleanser, or a cloth damped in soapy water, and a dry polishing
cloth to periodically clean the outside of the cabinet.
DO NOT USE EXCESSIVE
wATER.
Periodically wash the Refrigerated Chamber with alcohol or warm soapy water to
remove debris. Rinse well with a solution of 10% Formalin. Wash the Formalin solution
down the outlet tubes in the bottom of the chamber, and beneath the fins of the heat
exchanger.
Wipe and dry the walls of the Refrigerated Chamber carefully using a chamois leather
damped with the cleaning solution followed by a dry polishing cloth.
wARNING
Summary of Contents for Cryotome
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