EbV Product documentation THETA NORM/UNIT
5-17
5.2 Code-Input
5.2.1 Installer code and OEM code
• After entering the specialist code the parameters which are certain for the heating specialist are released
and can be processed according to the heating plant design.
• To enter the specialist code the buttons ¥ and § have to be pressed simultaneously for approx. 3
seconds until the request to enter the code is displayed.
• Every flashing digit can be modified with the rotary knob according to the code number and confirmed
by pressing the knob once. The further digits are treated in same way.
• After entering all digits correctly and confirming the last digit, the specialist code is accepted:
INSTALLER OK, with wrong entry the message CODE ERROR will appear.
- The installer code is:
- The OEM code is:
Caution: Released parameters are locked again if for the duration of no further service occurs.
In this case the specialist code must be entered again.
Change code: setting options:
OFF: The access protection is switched off, the installer parameters are
always accessible
0001...9999 The factory preset access code is exchanged for a value
between 1 and 9999.
5.2.2 User code
By entering a separate code, the operation of the controller can be blocked
completely against unauthorized access. Operation is only possible after entering
this code.
This function can be activated in the SYSTEM parameter.
The user code is:
Operation:
Note on operation Key / parametertree Parameter
Locking code for heating specialist SYSTEM PARAMETER 15
Operation:
Note on operation Key / parametertree Parameter
Activation Fahrenheit display SYSTEM PARAMETER 23
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