9
Initial start−up, inspection and maintenance
Further details regarding the individual steps
(cont.)
Air volume adjustment
The air volume is preset at the factory. Re−adjust the air volume if necessary.
Starting up the burner may require a fine adjustment.
Before
changing the setting, check whether the air supply route (
inside the
housing
, item no.022 on page34) is set to position7.5 (factory setting).
A
Blast tube connection set screw
B
Test nipple
C
Air damper
D
Blast tube connection
E
Clamping screw
F
Sensor plate
G
Flame tube
Note
Do
not
release clamping screw
E
,
otherwise the 0−point setting of the
blast tube connection will be
affected.
1.
Modify the sensor plate position
inside the flame tube. For this,
turn blast tube connection set
screw
A
:
H
Anti−clockwise
³
larger cross−section
³
more air,
H
Clockwise
³
smaller cross−section
³
less air.
Note
For standard values for burner
adjustment, see page36.
2.
Check static burner pressure at
test nipple
B
.
3.
Check the emissions.
5692589GB
A E
C
D
B A
F
G
AD
Summary of Contents for VEK
Page 31: ...31 Parts list Parts list cont 5692 589 GB 002 001 017 005 049 009...
Page 33: ...33 Parts list Parts list cont 5692 589 GB 047 020 041 021 040 80o 80p 034 033 046 039 038...
Page 37: ...37 Appendix 5692 589 GB...
Page 39: ...39 Appendix Maint service Maint service Maint service Maint service 5692 589 GB...
Page 41: ...41 Appendix Maint service Maint service Maint service Maint service 5692 589 GB...
Page 42: ...42 Appendix 5692 589 GB...
