JULABO SE-Z Heating Circulators - Manual (Page 28)

Safety installations, warning functions
28
8.1.1. Early warning system, low level protection
This low level protection is independent of the control circuit and is
divided into two sections:
1. Switch in stage 1 recognizes a defined fluid level
.
An audible warning sounds (interval tone) and together with the
ticker: > LOW LEVEL WARNING-FILL MEDIUM < a message
appears on the VFD COMFORT-DISPLAY:
Refill the bath fluid!
2. Switch in stage 2 recognizes a low fluid level
.
If stage 2 of the low level protection according to IEC 61010-2-
010 is triggered, a complete, all-pole shutdown of heater and
circulating pump is effected
A continuous alarm sounds and together with the ticker: > LOW
LEVEL ALARM-FILL MEDIUM < a message appears on the
VFD COMFORT-DISPLAY:
Turn off the unit with the mains switch, refill bath fluid and turn
the unit on again!
3. Float
4. Circulating pump
5. Heater
Warning:
When adding bath fluid, always us the type of fluid which is identical with the fluid 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!