37
6 Commissioning and startup
3. Presetting the gas setting pressure
If a controlled shutdown or lockout occurs during setting:
u
Briefly press [G] and [L/A] keys simultaneously.
u
Press [+] key.
a
The combustion manager changes to setting level.
u
Open the test point for the setting pressure and connect the pressure measuring
device.
u
Open the gas isolating valve.
u
Briefly press [-] and [+] keys simultaneously.
a
The display shows
E ACCESS
.
u
Press [+] key.
a
The burner starts according to the sequence of operation and stops at the operating
point
P0
(ignition position).
u
Preset the determined setting pressure at the gas pressure regulator.
u
Check the CO content in the flue gas and, if necessary, adjust combustion values
via the gas butterfly setting [G].
Installation and Operating Instructions
Gas burner WG20.../1-C ZM-LN (W-FM 25)
83055116 • 1/2016-05
