6
2
13
1
21
3
5
8
7
Operating
43
20. Operating
20.1 Switching on
1
Set the excess temperature protection clearly above
the desired operating temperature using the dial 13.
2
Switch the circulator on at the mains switch 1.
This causes:
⇒
The version number of the operating software is briefly
shown at display 6: e.g. “n 1.5”
⇒
Display 6 flashes over all segments
3
Press the Reset key 2 (= start).
⇒
Display 6 shows the actual temperature at the control
sensor (resolution 0.1
°
C).
⇒
Pump motor starts up – the heat transfer liquid starts
to circulate.
The cooling unit is switched on via its own mains switch 21.
Only activate cooling device if cooling is actually required.
The compressor starts with a slight jerk.
20.2 Starting up again after a power failure
The temperature control module switches itself off in case of
a power failure. Display 6 flashes over all segments .
Switching on again is only possible after the reset key 2 has
been pressed. This is due to safety reasons.
The unit reacts in the same way if is switched on via a mains
switch in the laboratory.
You can choose if you want to retain these standard default
settings. The units can be switched to automatic resetting in
both cases mentioned above. This is activated via a sepa-
rate menu option which can be accessed by pressing the
“menu”-key 3 whilst simultaneously switching on the unit.
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