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D0290
D0034
0107 19
9
Notice
Date
Page
01201138
INSTRUCTION
HANDBOOK
9. Installation
IMPORTANT
Adjustments should be made by qualifi ed personnel only.
Adjustement and chesking of the outlet pressure
The gas outlet pressure of the electrovalve
is adjusted at the factory. If you have to
make another adjustment, proced as fol-
lows.
A Inlet
B Outlet
D Outlet pressure regulator adjusment
screw plug.
E Inlet pressure tapping
F Outlet pressure tapping
T Head regulation
Close the gas inlet and remove the bind-
ing screw from the pressure tapping (F)
and connect the manometer tube.
The electricity supply must be energized
otherwise gas will not be supplied to the
burner.
Open and check the gas inlet main
burner using the manometer on the pres-
sure tapping (F).
Remove the pressure regulator cap (D).
Using a screwdriver, slowly turn the
adjustment screw until the required pres-
sure (P) is indicated on manometer (see
tables on the following pages).
Turn the adjustment screw clockwise to
increase and counter-clockwise to de-
crease gas pressure.
Reset the pressure regulator cap, close
off the gas inlet, remove the manometer
tube and put the binding screw back in
(F).
1.
2.
3.
4.
5.
6.