7.
Record the actual value in the ser-
vice report on page 129.
Take the action shown in the follow-
ing table.
8.
Shut down the boiler, close the gas
shut-off valve, remove the pressure
gauge and close test nipple
A
with the screw.
9.
Open the gas shut-off valve and
start up the boiler.
Danger
Gas escaping from the test
nipple leads to a risk of
explosions.
Check test connector
A
for
tightness.
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
42.5 to 57.5 mbar
Start the boiler.
in excess of
25 mbar
in excess of
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
You can limit the maximum output for
heating operation
. The limit is set via the
modulation range. The max. adjustable heating output is limited upwards by the
boiler coding card.
1.
Start the boiler.
Further details regarding the individual steps
(cont.)
18
Commissioning, inspection, maintenance
56
92
682
GB
Summary of Contents for Vitodens 333-F
Page 5: ...Keyword index 133 Index cont 5 Index 5692 682 GB ...
Page 123: ...Parts lists cont 123 Parts lists 5692 682 GB ...
Page 124: ...Parts lists cont 124 Parts lists 5692 682 GB ...
Page 125: ...Parts lists cont 125 Parts lists 5692 682 GB ...
Page 126: ...Parts lists cont 126 Parts lists 5692 682 GB ...
Page 127: ...Parts lists cont 127 Parts lists 5692 682 GB ...
Page 128: ...Parts lists cont 128 Parts lists 5692 682 GB ...
Page 135: ...Keyword index cont 135 Keyword index 5692 682 GB ...