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COMMISSIONING
The commissioning and first firing of the boiler must
only be done by a qualifed registered person.
Gas installation
It is recommended that any air is purged from the
supply at the gas inlet test point on the gas valve,
see diagram 18.
Filling the system
1
Press the mains 'On/Off' button
Le témoin lumineux clignote
The warning light will illuminate
v
Open the boiler isolating valves (v
2
and q), the slot of the screw corre-
sponds to flow direction.
Fully open valve m by turning anti-
clockwise.
4
Open filling device fitted previously, fill the system
until the pressure indicated on the display is between
1 and 2 bar. Close filling device.
L'afficheur indique 0 bar de pression et clignote
The display will indicate 0 bar pressure in the system
0.0
bar
m
Diagram 18
mode
3
Undo cap
on auto-
matic air
q
vent
top
pump and
leave un-
done.
The pressure must be between 1 and 2 bar
O
I
1
on
of
1.5
mod
bar
15
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