Viessmann Vitodens 100 Series Installation And Service Instructions Manual page 36

Commissioning, inspection, maintenance
Further details regarding the individual steps
36
(cont.)
03. Turn ON the system ON/OFF
switch on the control unit.
If the system pressure is too low,
the pressure will be shown on the
main display after a short time:
■ Display "06" flashing: System
pressure < 0.03 MPa – top up
with water
■ Pressure display "0.03" -
"0.08 MPa" flashing: Top up with
water
04. Display of current system pressure
during the filling process:
■ System pressure < 0.08 MPa:
System pressure between 0.03
and 0.08 MPa: Pressure is auto-
matically shown on the display.
System pressure > 0.1 MPa:
Pressure is displayed for a fur-
ther minute. (Pressing OK pre-
maturely deactivates the pres-
sure display.)
■ System pressure > 0.08 MPa:
Use / to select "IF00" to acti-
vate the pressure display.
MPa