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Siemens Building Technologies
Basic Documentation RVP540 / RVP550
CE1P2488en
HVAC Products
Handling
18.10.2002
2.7 Parameter settings for the Expert
Settings and protective functions for the EXP Customer.
Buttons
Explanation
Line
1
Press one of the line selection buttons.
This will take you first to the programming mode "End-
user”.
2
9 s
Press both line selection buttons for at least 9 seconds.
The heating engineer level will appear after 3 seconds,
and the EXP level with a special display for entering the
code after another 6 seconds.
3
CODE
Press buttons
and
to enter the required
combination of the access code.
If the combination of buttons is correct, you reach the
programming mode “EXP”.
Wrong code:
If the code has been entered incorrectly, the display will
change to "Parameter settings for the heating engineer”.
4
Press the line selection buttons to select the required
line.
The parameter list on the next two pages contains all
lines on which settings can be made.
• • •
5
Press the + or - button to set the required value.
The setting will be stored as soon as you leave the pro-
gramming mode or change to another line.
6
You leave the programming level "EXP" by pressing any
of the operating mode buttons.
Note:
If no button is pressed for about 8 minutes, the controller
will automatically return to the operating mode selected
last.
Con-
tinuous
display
23
92
Z
0
4c
1 2 3 4 5 6
7 8 9 10
0
4
8
12
16
20
24
Whether correct or incorrect, each push of a button represents irrevocably a digit of the
code.
As an acknowledgement, the respective digit changes to 1.
Description
Setting
Access code