
Cryo-Compact Circulators
17
The following questions should help to recognize possible dangers and to reduce the
risks to a minimum.
•
Are all tubes and electrical cables connected and layed?
Note:
sharp edges, hot surfaces in operation, moving machine parts, etc.
•
Do dangerous vapors or gases develop during heating?
Must the work be done in a fume hood?
•
What to do when a dangerous substance was spilled on or in the unit?
Before starting to work, obtain information concerning the substance and
determine the method of decontamination.
Notice:
Check the safety installations at least twice a year!
•
Excess temperature protection according to IEC 61010-2-010
With a screwdriver, turn back the adjustable excess temperature protection until
the shutdown point (actual temperature).
•
Low level protection according to IEC 61010-2-010
To check the function of the float, it can be manually lowered with a screwdriver,
for example.