Electronic Temperature Limiter (Twb) Protection Class 2 Acc. To Din 12 880 - Memmert UN PLUS Series Operating Instructions Manual

Operation and control
5.5.2 Electronic temperature limiter ( TWB) protection class 2 acc. to DIN 12 880
If the manually set monitoring temperature
permanently (Fig. 18 ) and can be reset by pressing the confirmation key.
In programme mode, the current programme is resumed for TWB alarms of up to 15
minutes. If the alarm is active for more than 15 minutes, the programme is cancelled.
°C
Fig. 18 Schematic diagram of how the TWB temperature monitoring works
30
max
heating switched off by TWB
Controller error
is exceeded, the TWB switches off heating
t
Setting MAX
Set
temperature