JULABO FPW50-HL Refrigerated Circulators - Manual (Page 29)

HL
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6.2.2. Switching on the cooling machine
Switching on:
 Switch on the cooling machine using the switch (1b) .

Control of the cooling machine:
With the mains switch (1b) turned on, the circulator automatically
switches the cooling machine off and on.
 It is switched off if:
- the current working temperature is increased by > 30 °C (cooling is
not required).
- the heater operates at full power (> 800 W) for longer than 5
minutes.
 It is switched on if:
- cooling is necessary to maintain the bath temperature.
After switch-off, the cooling machine automatically switches on only
after a delay of 5 minutes to protect the cooling compressor.

To save energy, turn off the cooling machine with the mains switch
(1b) whenever cooling is not required.
6.3. Start - Stop

Start:
 Press key.
The actual bath temperature is displayed on the VFD COMFORT-
DISPLAY. The circulating pump starts with a slight delay.
Stop:
 Press key.
or
Keep
key pressed.
The VFD COMFORT-DISPLAY indicates the message "OFF".