Integral T process thermostats
32 Starting up YAWE 0026 / 21/01/2019
7.3.2 Key inhibit (KEY)
Key operation can be inhibited with the KEY function in
order to prevent unauthorised alteration of the
equipment settings via the keys.
Press key and hold it down.
Within 4 sec press also and hold it down.
The display shows
and 4 x 0 appear consecutively.
KEY is displayed.
Release both keys.
The keys are now non-functional. When any keys are
operated the display shows KEY.
Press key and hold it down,
Within 4 sec. press also and hold it down.
The display shows
and 4 x 0 disappear consecutively and KEY
disappears.
The keys are de-inhibited.