2.
Activate the venting program via
coding address "2F:1".
Note
To call up code 1 and for setting the
coding address, see page 36.
For function and sequence of the
venting program, see page 97.
Whilst the venting program runs,
the display shows "EL" (constant
temperature control unit) or "Entlüf-
tung" (Venting) (weather-compen-
sated control unit).
3.
Check the system pressure.
Filling the siphon with water
1.
Remove retaining clip
A
and
siphon
B
.
2.
Fill siphon
B
with water.
3.
Fit siphon
B
and secure with
retaining clip
A
.
Further details regarding the individual steps
(cont.)
9
Commissioning, inspection, maintenance
5692
673
GB
Summary of Contents for VITODENS 300-W
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