Viessmann Vitopend 100-W Installation And Service Instructions Manual page 35

Further details regarding the individual steps
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.
Some examples:
on
If the system pressure is sufficiently
high, i.e. above "0.08" MPa, no dis-
play is shown.
Commissioning, inspection, maintenance
4. Display of current system pressure
MPa
(cont.)
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 further
minute. (Pressing OK prema-
turely deactivates the pressure
display.)
■ System pressure > 0.08 MPa:
Use / to select "IF00" to acti-
vate the pressure display.
MPa
35