12
Initial start-up, inspection and maintenance
Further details regarding the individual steps (cont.)
Checking nozzle pressure
1. Release the screw in test nippleĂA
but do not remove.
2. Connect the U-shaped pressure
gauge to test nippleĂA.
3. Open the gas shut-off valve.
4. Start up the burner (see page 8).
5. Check the nozzle pressure in
accordance with the Wobbe index
and the output rating in the nozzle
pressure table on pageĂ47.
Please note:
During the adjustment, also check
the gas throughput by means of a
volumetric test.
6. Check and, if necessary, adjust the
nozzle pressure.
The adjusted gas pressure will be
present approx. 10 seconds after the
burner start.
5692Ă534ĂGB
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