Samson Trovis 5475-2 - Page 57

7.3 Personal code numbers, locking the mode switch for manual operation, enabling the
write protect function for the configuration level and masking out parameters
Note:
You can only choose a personal code number between 100 and 1900!
You must first enter the code number
1995
before you can enter a personal code number or re-
strict the access.
To do this, proceed as follows:
Use a pen (or a similar item) to press the changeover key, a triangle (parameter level)
starts blinking in the top left-hand corner of the display.
Press both keys simultaneously, two triangles (configuration level) start blinking
in the display. The currently active system code number appears in the display.
Press the enter key,
0 0 0 0
appears in the display.
Press the arrow key five times, the code number
1995
appears in the display.
Press the enter key to acknowledge the code number,
the code number
0 0 0 0
reappears in the display.
Use the arrow key to set the code number (from page 62 or a new one).
Press the enter key, the code number starts to blink .
Use the arrow keys to set a new personal code number
or, if you do not want to change it.
Press the enter key to acknowledge the code number.
You can now lock the manual level, if required, as described below.
Locking the manual level
When the locking is activated, the mode switch positions
+, 0
and

stand for in the heating
circuit and in the drinking water heating circuit.
The manual level is activated when
HAnd
appears in the display,
the manual level is locked when
 
appears in the display.
Press the enter key, the
HAnd
or
 
starts to blink.
Use the arrow keys to change between
HAnd
and
 
.
Press the enter key to acknowledge the setting selected.
Now you can enable the write protect function for the configuration level, if required, which
also masks out parameters.
Enabling the write protect function for the configuration level
Only the system code number
Anl
appears in the configuration level when the write protect
function is enabled. The function blocks appear in the display on pressing the key, but you
cannot change the parameter settings anymore at this point.
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