JULABO FPW50-HL Refrigerated Circulators User Manual
Page 34
Safety installations, warning functions
34
8.0.1.
Early warning system, low level protection
DBGM: 20306059.8
This low level protection is independent of the control circuit and is
divided into two sections:
1. Switch in stage 1 recognizes a critical fluid level
.
An audible warning (interval tone) sounds and a message
appears on the VFD COMFORT-DISPLAY.
Refill bath fluid!
2. Switch in stage 2 recognizes a low fluid level
.
If stage 2 of the low level protection device (according to IEC
61010-2-010) is triggered, a complete shutdown of the heater
and circulating pump is effected.
A continuous alarm tone sounds and a message >ALARM<
>CODE 01< appears on the VFD COMFORT-DISPLAY.
Press
for help on the LCD
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:
For refill always use the same bath fluid type that is already in the bath.
Bath oils must not contain any water contaminants and should be pre-heated to the
actual bath temperature! Explosion hazard at higher temperatures!