Glow-worm Xtramax - Manual (Page 23)

23
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13 Commissioning
I O
0.0
bar
1
mode
3
Undo cap on
automatic air
vent on top of
pump and
leave undone.
Please ensure the “Benchmark” logbook is completed and left
with the user.
The commissioning and first firing of the boiler must only be
done by a competent 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 13.1.
Filling the system 1 to 8
Air in pipes
Important: A central heating system can not operate correctly
unless it is filled with water and air bled from the system. If these
conditions are not met the system may be noisy.
Bleed the air in the radiators and adjust the pressure if system
requires. If the system requires filling too often this may be due
to minor leaks or corrosion in the system. Call a qualified service
engineer.
9086
1 Press the mains 'On/Off' button
Reg 008
The warning light will illuminate The display will indicate 0 bar pressure in the system
11752
Diagram 13.1
Open the boiler isolating valves (v and q),
the slot of the screw corresponds to flow
direction.
9126
➜
v
q
2
GAS INLET
TEST POINT