Installation and operating instruction
Oil burner WM-L20/2-A R (W-FM100/200)
7 Commissioning
83252902 1/2019-09 La
37-84
5. Check mixing pressure in ignition position
Select
ProgramStop
.
Select
36 IgnPos
.
Use [esc] key to return to the display with
OilSettings
.
Select
Autom/Manual/Off
.
Select
Manual
(Burner On).
The burner starts and stops in ignition position without flame formation
Check rotation direction of burner motor
The mixing pressure in ignition position must be 2 … 4 mbar above the combustion
chamber pressure.
If necessary, adjust mixing pressure via air damper setting:
Select
OilSettings
Select
SpecialPositions
.
Select
IgnitionPos
.
Select
IgnitionPosAir
and adjust.
Use [esc] key to return to the display
IgnitionPos
.
Only in conjunction with frequency converter
In oil operation, the ignition speed should be 100 %.
6. Ignition
Set
Program stop
to
44 Interv 1
.
The burner ignites and the actuators stop in the ignition position.
The pump pressure in ignition position must be26 … 29 bar, see burner data sheet.
Check pump pressure at pressure gauge.
Remove end cap
1
.
Undo lock nut
2
.
Set pump pressure using pressure regulating screw.
increase pressure: clockwise rotation,
decrease pressure: anticlockwise rotation.
1
2
Check combustion values in ignition position.
Set O
2
content of approx. 5 % by positioning oil quantity regulator (
Ign-
PosOil
), whilst observing return pressure and maintaining 12 bar.
