Operating Instructions (GB)
900 191 - V1.0
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Page 17
7.6
Display release and password
Mains delay 9 sec.
Tap to cancel
Mains delay:
After a restart or a mains failure, the control
system will only start up after the set time has elapsed.
The countdown can be cancelled by tapping this field.
Externally deactivated:
The control system has been
deactivated by an external potential-free contact on the ME1
input. After opening the contact, the control system starts with
the countdown of the mains delay.
Faults are still detected and reported.
Observe the description in Chapter 6.4.
Alarm sound off
Alarm sound off:
The internal alarm sound is turned off by
tapping on this field.
If the alarm relays are set to "reset with buzzer", any external
visual alarms and horns are also switched off.
The display is protected against unintended operation through an automatic key lock.
The next three sections describe the available options of the display release.
Enable operation
Enable operation:
If no password has been entered for the
control system, the field shown is displayed after actuating
the display.
Operation is enabled by pressing on this field.
If no input is made for a certain amount of time, the key lock
is reactivated automatically.
Enter password
Enter password:
If the control system is protected by a
password stored in the setup menu, the field shown is
displayed after actuating the display.
After tapping the symbol, the field for inputting the password
appears.
Operation is enabled after correct password entry.
The key lock is activated automatically.
Enable limited operation?
Enable limited operation:
When pressing the symbol, only
limited operation is enabled. Functions such as clock/date,
language, set point water level, manual-0-automatic mode
and error messages can be changed or operated.
All other functions can be read, but they are protected by the
stored password.
Note
Externally deactivated
