39
A
1.
Close the gas shut-off valve.
2.
Release screw
A
inside test con-
nector "PE" on the gas train, but do
not remove it. Connect the pressure
gauge.
3.
Open the gas shut-off valve.
4.
Check the static pressure and record
the actual value in the report on
page 179.
Set value: max. 57.5 mbar
(5.75 kPa).
5.
Start the boiler.
Note
During commissioning, the boiler can
enter a fault state because of airlocks
in the gas line. After approx. 5 s,
press R to reset the burner.
6.
Check the supply (flow) pressure. Set
values:
■ Natural gas 20 mbar (2 kPa)
■ LPG 50 mbar (5 kPa)
Note
Use a suitable measuring instrument
with a resolution of at least 0.1 mbar
(0.01 kPa) to check the supply pres-
sure.
7.
Record the actual value in the service
report.
Take action as shown in the following
table.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5585 174 GB
Service