Installation and operating instruction
Dual fuel burner WGL30/1-C ZM
7 Commissioning
83260202 1/2019-02 La
61-144
Set diffuser
Remove spring cotter
1
.
Loosen locknut by two rotations.
1
With dimension X = 0 mm the indicating bolt is flush with the cover of the nozzle
assembly.
Turn screw
1
, until dimension X equals the value determined.
X
1
Tighten locknut.
Refit spring cotter.
7.1.8 Preset gas and air pressure switch
The presetting of the pressure switches is only valid during commissioning. Once
commissioning has been completed the pressure switches must be set correctly
[ch. 7.3].
Air pressure switch
approx. 5 mbar
Low gas pressure switch/valve proving gas pressure
switch
12 mbar
High gas pressure switch (optional)
approx. twice control pres-
sure