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6 Commissioning and startup
6.2. Burner setting (cont.)
u
Press [+] key to confirm the factory setting.
a
The combustion manager is preset.
2. Checking the sequence of operation
u
Open the gas isolating valve, reset the low gas pressure switch if necessary.
a
The pressure in the gas train increases.
u
Close the gas isolating valve.
u
Plug in the bridging plug No. 7 on the combustion manager.
a
Burner starts.
a
Valve proving is executed (if required and enabled).
u
Check the sequence of operation:
• Valves open;
• Gas pressure switch trips;
• Burner start is interrupted;
• Burner doesn’t detect a flame and goes to lockout.
u
Reset the burner using the [Enter] key.
u
Reset the low gas pressure switch, if necessary.
a
The combustion manager drives to stand-by.
Installation and Operating Instructions
Gas burner WG20.../1-C ZM-LN (W-FM 25)
83055116 • 1/2016-05
