18
NB!
Burner power must NOT be more than rated combustion chamber power. Set
the burner power at about 80% from the rated boiler power. Otherwise, there may be
burnout of the combustion chamber.
The amount of secondary air is regulated by changing the position of the secondary air shutter
(pic.7) as it is described in section 6.
Work diagrams for the burners are shown on pic. 15.
Pic. 15 Work diagrams of burners NORTEC WB
16. Main troubles and their solving methods
Troubles in this section are caused by ignoring the information in this guide or other reasons not
connected with equipment faults.
In case of an equipment fault trouble we recommend you to call an authorized NORTEC service
center or the place where the equipment was purchased to consult a specialist.
NB
! Non-authorized repair works make your warranty on NORTEC equipment
invalid!
Restart the burner after trouble shooting by pressing the red button of the emergency shutdown
indicator (section 9).
kg/h
mBar
3
6
13
23
27
4
3
2
1
WB60
WB120
WB230
WB270
