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QRI flame detector
In order to reach the QRI flame detector proceed as follows:
loosen, without removing the screws 1)(Fig. 39);
extract the QRI flame detector 2);
clean the glass cover from any dust that may have accumu-
lated.
1
2
D10804
Fan
Check to make sure that no dust has accumulated inside the fan or
on its blades, as this condition will cause a reduction in the air flow
rate and provoke polluting combustion.
Burner
Clean the outside of the burner.
Boiler
Clean the boiler as indicated in its accompanying instructions in or-
der to maintain all the original combustion characteristics intact, es-
pecially the flue gas temperature and combustion chamber
pressure.
View A
3
D12186
Maintenance
Fig. 39
1
2
3
31
Gas leaks
Make sure that there are no gas leaks on the pipes between the
gas meter and the burner.
Gas filter
Replace the gas filter when it is dirty.
Combustion
Adjust the burner if the combustion values found at the beginning
of the operation do not comply with the regulations in force or, at
any rate, do not produce good combustion.
Use the appropriate card to record the new combustion values;
they will be useful for subsequent controls.
6.2.3
Maintenance of burner electrical components
under the control box
To carry out in case of possible regulations and maintenance to the
underlying control box parts.
Proceed as follows:
unscrew completely the screw 1)(Fig. 40);
loosen the three screws 2) and lift the control box as indicated
by the arrows.
The screws 3) move inside the slide until reaching the correct po-
sition indicated in "View A" (Fig. 40).
Fix the screw 3) backwards to the end in order to
adjust and maintain in complete safety.
WARNING
At the end of maintenace loosen the screws 3), and lower the
control box, see "View B" (Fig. 40);
fix the three screws 2) and screw the screw 1) in order to
tighten the control box to the burner.
2
2
2
3
GB
View B
Fig. 40
20069791
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