Installation and operating instruction
Oil burner WM-L20/2-A R (W-FM100/200)
4 Installation
83252902 1/2019-09 La
22-84
4.3.2 Set mixing head without combustion head extension
Hinge open the burner [ch. 9.3].
1. Set distance nozzle support to nozzle body
The distance between nozzle support and nozzle body
2
must be 90 mm.
If necessary adjust nozzle body:
Undo screws
1
on nozzle support.
set distance nozzle support to nozzle body to 90 mm,
Re-tighten screws.
1
2
90 mm
2. Set nozzle distance
Check nozzle distance (dimension A) using auxiliary dimension
2
between dif-
fuser sleeve and burner flange.
Nozzle distance (dimen-
sion A)
Auxiliary dimension
2
7 mm
25 mm
10 mm
28 mm
Factory setting
13 mm
31 mm
The diffuser could become soiled if incorrectly positioned.
Determine auxiliary dimension
2
at a minimum of 3 points (each offset by 120°).
Check alignment of nozzle assembly to diffuser (even aperture).
If necessary set nozzle distance:
Undo screws
1
.
Rotate diffuser sleeve
3
, until auxiliary dimension
2
has been reached.
Re-tighten screws.
2
1
1
3
A
