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Siemens
Heating and D.h.w. Controller RVL481
CE1P2541en
Building Technologies
29 Handling
20.05.2008
To select and readjust setting values, the procedure is the following:
Buttons Procedure
Effect
Line selection buttons Press button
Selection of the next lower operating line
Press
button
Selection of the next higher operating line
Setting buttons
Press button
Decrease of the displayed value
Press
button
Increase of the displayed value
The value set will be adopted:
•
when selecting the next operating line
•
by pressing the Info button
•
by pressing any of the operating mode buttons
If the entry of --.- or --:-- is required, button
or
must be pressed until the required
display appears. Then, the display maintains --.- or --:--.
The operating lines are grouped as blocks. To reach a specific operating line of a block
quickly, the other blocks can be skipped, so that it will not be necessary to select all the
other lines one by one. This is accomplished by using two combinations of buttons:
Procedure Effect
Keep
depressed and press
Selection of the next higher function
block
Keep
depressed and press
Selection of the next lower function block
The Info button is used to obtain basic information about the plant. Pressing this button,
the cursor
in the display is placed below the required symbol. The numbers on the
display have the following meaning:
Symbol Display
of
Flow or boiler temperature
Room temperature
Outside temperature
Time of day
It is always the information selected last that is continuously displayed.
29.1.4 Setting levels and access rights
The operating lines are assigned to three different levels. Assignment and access are
as follows:
Level Operating
lines
Access
End-user
1 to 50
Press
or
together
Heating engineer
51 to 197
Press
and
for three seconds
Locking level
248
Press
and together until
ap-
pears; then, press
,
,
and
one after the other
•
The enduser can access all analog operating elements. This means that he can select
the operating mode, set the heating curve, readjust the room temperature with the set-
ting knob, and activate manual operation.
Also, he can access operating lines 1 to 50
•
The heating engineer can access all operating elements and all operating lines
Buttons
Block skip function
Info button
Setting levels
Access rights
