6
To obtain optimum combustion values, the burner must be adjusted with the boiler heated up (min. 60
°
C). Also
carry out tests at base load.
Boiler control unit service instructions
Note
For fuel details, see chapter "Information on fuel oil".
A B
C
Fig. 1
1.
Check the heating system pressure and the oil
level in the tank.
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 system ON/OFF switch
B
at the con-
trol unit.
If fault indicator
A
on the control unit illuminates,
press reset button
C
on the burner.
Checking the burner
Checking the oil pressure and vacuum, adjusting the CO
2
value
The oil pressure is factory-set according to the oil
throughput.
When commissioning or using a sound insulation set
(accessories), select the CO
2
value by adjusting the oil
pressure.
Commissioning, inspection, maintenance
Commissioning the system
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