17
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 st 1 ON"
.
4.
Where vacuum measures higher
than 0.35 bar, check the filter for con-
tamination and check the pipe route.
5.
If required, adjust the oil pressure for
stage 1 at pressure adjusting screw
C
of the oil pump (for standard val-
6.
Check the actual emission values
after adjusting the oil pressure.
7.
Select burner stage 2 with
a
.
"Burner st 1 + 2 ON"
is shown on the
display.
8.
If required, adjust the oil pressure for
stage 2 at pressure adjusting screw
D
of the oil pump.
9.
Check the actual emission values
after adjusting the oil pressure.
10.
After testing, press
d
.
Adjusting the air volume (static burner pressure)
A
1.
Start the boiler.
2.
Remove plug
A
from the test port.
3.
Connect the U-shaped pressure
gauge to test port
A
.
4.
Press
K
and
F
simultaneously
until
"Speed stage 1"
and a value
between 1 and 255 are displayed.
5.
Change the value with
a
/
b
until
the static burner pressure displayed
by the U-shaped pressure gauge and
the CO
2
flue gas content correspond
to the values in the table on
page 15.
6.
Confirm the set value with
d
.
Note
The control unit changes automati-
cally to burner stage 2. The display
shows "Speed stage 1 + 2" and a
value between 1 and 255.
7.
Repeat steps 4 and 5 for burner stage
2.
8.
Check the set values.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5692 799 GB
Summary of Contents for VITOLADENS 300-W
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