20
7.4.
Switching on / Start - Stop
Switching on:
The recirculating cooler is turned on and off with the mains switch.
The unit performs a self-test. All segments of the 4-digit LED
temperature DISPLAY and all indicator lights will illuminate
(as illustrated on the left).
Then the software version and the type of unit is indicated.
Examples: (v 1.02) (FL1703)
The display "
OFF
" indicates the unit is ready to operate (standby
mode).
Start:
Press enter
for about 4 seconds.
The LED temperature DISPLAY indicates the actual bath
temperature.
Stop:
Press enter
for about 4 seconds.
Turn the unit off with the mains power switch.
7.5.
Setting the feed pressure
max.
Set the max. permissible feed pressure (example: 2 bar) by slowly
closing the adjusting valve (14) on the rear and looking at the
manometer (7).
L
The max. pressure is determined by the weakest element in the
circuit (e. g. glass equipment).
7.6.
Setting the temperatures
Factory setting:
25 °C
L
Setting can be carried out in the start/stop condition.
1.
Press one of the keys
for a short moment.
The setpoint value instead of the actual value is indicated on the
display for about 8 seconds.
The value can now be changed.
2.
Change value:
Press
to set a higher value.
Press
to set a lower value.
Keep the keys depressed for the value to change fast.
3.
Press enter
to store the value.