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Commissioning, inspection, maintenance
Commissioning the system
To obtain optimum combustion values, it is essential to
adjust the burner with the boiler at operating tempera-
ture (min. 60 °C).
: The limits of the Swiss Clean Air Regulations
c
LRV 92 must be maintained.
Boiler control unit service instructions
Note
The Vitoflame 300 pressure-jet oil burner features very
good combustion values which are achieved without
the use of fuel oil additives (combustion improvers).
The use of combustion improvers that leave residues
is not permissible.
1. Check the heating system pressure and the oil
level in the tank.
Adjusting the air volume
The air volume is preset at the factory. Readjust the air
volume if necessary.
When commissioning the burner, some fine adjustment
may be required.
Fig. 1
Fig. 2
Adjusting the oil pressure and checking the vacuum
The oil pressure is factory-set according to the oil
throughput. Readjust the oil pressure if necessary.
8
2. Open the shut-off valves in the oil lines on the oil
tank and on the filter.
3. Fill the oil suction line and the filter with fuel oil
using a manual oil suction pump before switching
the burner on.
4. Switch ON the mains isolator (outside the installa-
tion room).
5. Switch ON the system ON/OFF switch at the con-
trol unit.
If the fault indicator on the control unit illuminates,
press the reset button on the burner (see chapter
"Function and fault indication by indicator light
(LED)").
Before making adjustments, check whether inlet air
aperture
C
inside the casing is set to "8.0" (factory
setting).
1. Check the static burner pressure at test connector
; to do so, remove the plastic cap.
B
Note
The actual static burner pressure must not vary
from the standard values: See chapter "Standard
values for burner adjustment".
2. If required: Adjust the static burner pressure at air
damper
A
:
Anti-clockwise turn:
■
Higher static burner pressure
More air
■
Lower CO
content
■
2
Clockwise turn:
■
Lower static burner pressure
■
Less air
Higher CO
content
■
2
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