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If you experience any difficulty with the op-
eration of the boiler, switch off the boiler
immediately at the fused spur isolation
switch and contact your Installer or an ap-
proved Service Engineer.
Air introduced into the boiler during this filling
process will vent through the automatic air
purger fitted to the boiler. You may also find
it necessary to vent air from your radiator cir-
cuit using your radiator key, however be aware
that excessive venting will cause the pressure
in the system to drop.
Always ensure that the pressure gauge is set
at the required pressure.
2.3
Ignition
• Check that the valves located in the lower
part of the boiler are open Fig. 2.3.
Open
position
Fig. 2.3
• Turn on the electricity supply to the boiler,
switching on the fused spur isolation switch.
The LCD display displays the state within
which the boiler is found (last memorised)
Fig. 2.4.
INSTRUCTIONS FOR USE
Fig. 2.4
Time/Day/Date setting
Enter "programming mode" by holding down
key 19 for 5 seconds (Fig. 2.7) until the display
indicates the
symbol.
Use keys 17 (decrease) and 18 (increase) Fig.
2.7 to set the time, day and date values, using
keys 11 and 12 to move from one parameter
to the next.
Press key 19 briefly to save the values en-
tered and the display will indicate OK to con-
firm (Fig. 2.5).
Fig. 2.5
Stand-by
Hyphens are turned
on in sequence to
simulate running
Winter
Summer
- 15 -
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