Regulating The Gas Valve Offset - PENSOTTI Solenne PCH50B-H Instruction Manual

5.6 Regulating the gas valve offset

Fig. 1
T
Fig. 2
-
Fig. 3
Fig. 4
MAINTENANCE INSTRUCTIONS
When replacing the gas valve, it is necessary to regulate the offset on
the new gas valve to guarantee a correct operation of the boiler.
i
P
+
Instructions as follows:
Fig. 1 – Disconnect the silicon pipe from its connection
onto the venturi air intake point.
Fig. 2 – Connect that end of the silicon pipe to a 'T' connection
bring the end of another silicon pipe from the same 'T' connection to
the venturi air intake point
Insert a third silicon pipe on the free connection of the 'T' and connect
its end to the negative point
Fig. 3 – Unscrew the pressure
there the pipe that goes to the positive point
manometer.
Switch the boiler On at the minimum power. The manometer should
read a value of +0,02 mbar; if you read a different value, proceed as
follows (Fig.4)
Fig. 4 – Remove the protection cover tp of the gas valve and
adjust plastic screw v with a screwdriver to modify the value
on the manometer and to bring it to
Once the regulation is completed,
disconnect pipes and restore original boiler
configuration.
i
.
-
of a gas pressure manometer.
P
point screw and connect
+
of the gas pressure
+0,02
i
T
and
mbar.
54