JULABO CF40 Cryo-Compact Circulators User Manual
Page 25
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Cryo-Compact Circulator
25
7. Safety
installations
Check the safety installations at least twice a year! (See page 13)
7.1. Excess
temperature protection
Warning:
The excess temperature protection >SafeTemp< should be set at least 25 °C
below the fire point of the bath fluid used.
In the event of wrong setting there is a fire hazard!
We disclaim all liability for damage caused by incorreect settings!
+
This safety installation is independent of the control circuit.
When the temperature of the bath fluid has reached the safety
temperature, a complete shutdown of the heater and pump is
effected. The alarm is indicated by optical and audible signals
(continuous tone) and on the LED-DISPLAY appears the error
message "Error 14".
°C
140
100
180
220
0
60
20
Setting range:
0 °C to 220 °C
Using a screwdriver turn the setting screw to the desired value.
Recommendation:
Set the excess temperature protector at 5 to 10 °C above the
working temperature setpoint.
7.2.
Low level protection
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This safety installation is independent of the control circuit.
If the low liquid level protection device is triggered, a complete
shutdown of the compressor and circulating pump is effected.
The alarm is indicated by optical and audible signals (continuous
tone) and on the LED-DISPLAY appears the error message
"Error 01".
Turn off the unit with the mains switch, add bath fluid, and turn
the unit on again!
Caution:
When adding bath fluid, always use the same bath fluid type that is already in
the bath.
Bath oils must not contain any water and should be pre-heated approximately
to the current bath temperature!
Explosion hazard at high temperatures!