Supply (flow)
pressure for nat-
ural gas
Supply (flow)
pressure for
LPG
Measures
below 17.4 mbar
below 42.5 mbar
Do not start the boiler. Notify your
mains gas or LPG supplier.
17.4 to 25 mbar
25 to 57.5 mbar
Start the boiler.
above 25 mbar
above 57.5 mbar
Install a separate gas pressure gover-
nor upstream of the system and regu-
late the inlet pressure to 20 mbar for
natural gas or 50 mbar for LPG. Notify
your mains gas or LPG supplier.
Setting the maximum output
Note
You can limit the maximum output for
heating operation
. The limit is set via the
modulation range.
1.
Start the boiler.
2.
K
+
F
press simultaneously:
"
100
" flashes (equals
100% of rated output)
and "
A
" is displayed.
On weather-compen-
sated control units, the
display additionally
shows "
Max.heating
output
".
a
/
b
press for the required
value in % of rated output
as max. output.
d
to confirm.
3.
Record the setting for the maxi-
mum output on the additional type
plate supplied with the "technical
documentation". Affix the type
plate next to the type plate on top
of the boiler.
Further details regarding the individual steps
(cont.)
16
Commissioning, inspection, maintenance
5692
731
GB
Содержание VITODENS 333-F WS3A
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