Pressure Reducer Setting; Filling The Heating System - Viessmann Fillstation medium Installation Instructions Manual

GB
Operation

Pressure reducer setting

Before filling the system, the pressure
reducer may need to be set. The pres-
sure reducer of the fill station is factory
set to 1.5 bar.
Please note: The inlet pressure must
be at least 1 bar higher than the
required outlet pressure.

Filling the heating system

B A
20
(cont.)
+
B
-
A
C B
Set the pressure reducer as follows:
1. Undo locking screw A
2. Set the fill pressure with rotary
selector B.
The value appears on the display.
In the main menu, press the following
buttons:
3 times
OK to change displays:
PE Inlet pressure
PA Outlet pressure
Note
The pressure on the system side must
be lower than the required filling pres-
sure. If necessary, reduce or increase
the pressure of the heating system to
the required filling pressure.
A Shut-off valve closed
B Shut-off valve open
C On the input side, possible setting
for easier maintenance of strainer:
A
Closed
To fill the system, open both shut-off
valves and close them again after fill-
ing.