Weishaupt WM-L20/2-A R User Manual

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 O2 content of approx. 5 % by positioning oil quantity regulator (Ign-
PosOil), whilst observing return pressure and maintaining 12 bar.

Weishaupt WM-L20/2-A R Specifications

General

Brand	Weishaupt
Model	WM-L20/2-A R
Category	Burner
Language	English