6 Commissioning and startup
4. Driving to high fire
u Press [+] key.
a
The burner drives to the operating point P1.
u Check the CO content in the flue gas and, if necessary, adjust combustion values
via the gas butterfly setting [G].
u Press [+] key.
a The next operating point is initiated.
u Repeat the steps at each operating point until P9 has been reached.
5. Adjusting the high fire
The ratings data given by the appliance’s manufacturer and the capacity graph must
be observed while adjusting the burner.
u Clock the gas meter for the required gas flow.
u Optimize the setting pressure and/or the gas butterfly valve setting [G] until the
required gas flow has been reached.
u Check the combustion values.
u Determine the combustion limit and set the excess air via the air damper setting [L/A].
u Determine once more the gas throughput and adjust if necessary.
u Re-set the excess air.
The gas setting pressure must not be altered once this step has been completed!
83055116 • 1/2016-05
38
Installation and Operating Instructions
G
as burner WG20.../1-C ZM-LN (W-FM 25)
To Next Page
Loading...
Need help?
General