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If you experience any diffi culty with the
operation of the boiler, switch off the
boiler immediately at the fused spur iso-
lation switch and contact your Installer
or an approved Service Engineer.
Air introduced into the boiler during this fi ll-
ing process will vent through the automatic
air purger fi tted to the boiler. You may also
fi nd it necessary to vent air from your radia-
tor circuit 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 boil-
er, 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
C.h. functioning
•
Press the key
11 for 2 seconds until
symbol appears on the display Fig. 2.5 .
Fig. 2.5
The LCD display displays the boiler temper-
ature (primary circuit) and
the
symbol slowly fl ashes Fig. 2.6 .
Fig. 2.6
2.4
C.h. circuit temperature
The output temperature of c.h. water can be
adjusted by acting on keys 12 (reduce) and
13 (increase) ( Fig. 2.5 ) from a minimum of
Stand-by
°C
Winter
14
13
12
11
symbol;
°C
- 13 -
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