Installation and operating instruction
Oil burner WM-L20/2-A R (W-FM100/200)
4 Installation
83252902 1/2019-09 La
24-84
4.3.3 Set mixing head with combustion head extension
Hinge open the burner [ch. 9.3].
Remove nozzle assembly.
1. Check flame tube length
Check total length of flame tube, see table.
Extension
100 mm
200 mm
300 mm
Total length
349 mm ±1
449 mm ±1
549 mm ±1
2. Nozzle distance and flame tube setting
The nozzle distance and the flame tube setting must be matched to one another.
Check nozzle distance, see table.
Nozzle distance (dimen-
sion A)
Flame tube setting
4
7 mm
11 mm
10 mm
14 mm
Factory setting
13 mm
17 mm
If necessary set nozzle distance:
Undo locking screws
3
.
Adjust diffuser and set nozzle distance (dimension A).
Re-tighten locking screws.Re-tighten locking screws.
Match flame tube setting to nozzle distance:
Undo screws
1
.
Adjust flame tube
2
, until flame tube setting
4
has been reached.
Centralise flame tube whilst checking the distance at a minimum of 3 posi-
tions (each offset by 120°).
Re-tighten screws.
After every alteration to the nozzle distance or to the flame tube setting:
Check distance flame tube to diffuser.
Set ignition electrodes [ch. 9.4]
1
1
2
3
4
A