
25
Rated output
kW
12.9/19.3
16.1/23.5
19.3/28.9
Nozzle gap
"a"
mm
3.0
+0.2/-0.3
1.5
+0.2/-0.3
1.5
+0.2/-0.3
(see page 19)
Note
Due to nozzle tolerances and varying oil characteristics, the oil pressure may vary
from the values shown.
!
Please note
An incorrectly adjusted nozzle gap "a" can result in irregular operation of the
burner and even a fault shutdown.
Always
maintain the stated dimension and check in accordance with the
details on page 19.
Adjusting the oil pressure and checking the vacuum
Danfoss oil pump, type BFP 52
1.
Insert the pressure gauge (range
0 - 25 bar) into test port "P"
A
and
the vacuum gauge (range 0 - 1 bar)
into test port "V"
B
.
Note
Seal the pressure and vacuum
gauges only with copper or alumi-
nium gaskets or with O-rings. Never
use tape to seal these joints.
2.
Start the boiler.
3.
Press
K
and
d
simultaneously for
approx. 2 s.
"Relay test"
is shown in the dis-
play.
After approx. 4 s the display shows
"Burner stage 1 On"
.
4.
Where vacuum measures higher
than 0.35 bar, check the filter for con-
tamination and check the pipe route.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5692 774 GB
Содержание Vitoladens 300-C
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