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9.2
Central heating output setting
The central heating output can be set in accordance with the system requirements. To adjust
the burner pressure, proceed as follows, referring to “Burner pressure tables” paragraph (in
this manual):
-
Gain access to the PCB, see diagram above.
-
Set the ‘summer/winter’ switch to the ‘winter’ position
-
Light the burner and check the gas pressure
-
Adjust the pressure using potentiometer
P1 MAX.R.
on the PCB.
-
Refi t cover to controls housing.
CONTROLS HOUSING
701_1_R00
PCB
704_R01
9.3
Domestic hot water fl ow rate setting
The domestic hot water fl ow rate is factory set. However,
after installation, it may be necessary to adjust the do-
mestic hot water fl ow rate, proceed as follows:
-
Fully open a domestic hot water tap.
-
Using a suitable water fl ow gauge, adjust water fl ow
by turning the adjuster screw on the water valve (see
photo).