Switching on
1) Check that the gas service tap is opened at the
gasmeter and main power is on.
2) Check that pressure in central heating system is
above 0.7 bar and below 2.5 bar with the pressure
gaugea (26).
3) Open the gas tap (27) by turning from right to left. &
4) The boiler is now ready to use.
Hot Water
1) Turn selector switch (19) to position ~c . The green
“power on” indicator 0 will light.
2) Turn on a hot water tap, the orange “burner on”
indicator h will light and the water will become hot.
Heating and Hot Water
1) Turn selector switch (19) to position me ‘1111. The
green “power on” indicator
0
will light.
3) If the room thermostat (if fitted), the boiler
temperature control ‘III1 and the clock (if fitted) are all
calling for heat, the orange “burner on ” indicator 4 will
light and the heating will be on.
When there is a need for hot water while the heating is
on, it is only necessary to turn on a hot tap. The heating
will be interrupted momentarily while the hot water is
being delivered. The boiler will switch back
automatically to heating when the tap is turned off.
Note: If the boiler has been turned off for some time the
first attempt to light it may result in a lockout a . If this
happens press the reset button (25) and the boiler will
light.
To Turn Boiler Off Completely
1) Turn the selector switch (19) to the off position
2) Turn the gas tap (27) from left to right “STOP”.
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