Installation Manual
59
5350 485 GB 08/2007
Gas supply
6. Check the working pressure.
Set values:
• natural gas 20 mbar
• LPG 37 mbar
Note
Use suitable test equipment with a
resolution of at least 0.1 mbar to measure
the supply pressure.
7. Record the actual value in the service
report. Take the actions shown in the
following table.
8. Shut down the boiler, close the gas
shut-off valve, remove the pressure
gauge and close test port with the
screw.
9. Danger
Gas escaping from the test
port leads to a risk of
explosion, Check for
soundness.
Open the gas shut-off valve, start the
boiler and check for soundness at
test port .
A
A
Working Working Measures
pressure for natural gas pressure for LPG
below 17.4 mbar below 37 mbar Switch off boiler. Notify your mains
gas or LPG supplier.
17.4 to 25 mbar 37 to 57.5 Continue boiler operation.
in excess of 25 mbar in excess of Switch off boiler. Notify your mains
57.5 mbar gas or LPG supplier.
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