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Fig. 7.3
An alternative, to avoid the removal of the
fl ue elbow, pour the water through the fl ue
sampling point ( Fig. 7.4 )
Fig. 7.4
7.6
Lighting the boiler
Some products incorporate an anti cycling
time delay. It is normal when fi rst switch-
ing the boiler on for the boiler to operate
on heating for a few seconds then switch
off. After 3-4 minutes has elapsed the boiler
will then re ignite and operate perfectly nor-
mally.
If external controls are fi tted (e.g. Time
clock, room thermostat) ensure they "call
for heat".
•
Electrically power the boiler by acting on
the bipolar switch envisioned during instal-
lation The LCD display displays the
symbol ( Fig. 7.5 ).
COMMISSIONING
Sampling points
Flue exhaust
Fig. 7.5
•
Press the
11 key for 2 seconds until
symbol appears on the display Fig. 7.6 .
Fig. 7.6
The LCD display displays the boiler temper-
ature (primary circuit) and the
the
symbol slowly fl ashes Fig. 7.7 .
Fig. 7.7
•
Open the gas cock
•
Make sure that the ambient thermostat is
in the "heat request" position".
•
Check the correct functioning of the boil-
er.
•
Check the gas pressures and fl ow rates as
shown in section "GAS CONVERSION" to
page 67 of this booklet.
•
Check that the condensate produced dur-
ing functioning fi lls the pipe and is regu-
larly drained in the draining plant pipe.
14
13
12
11
symbol;
°C
- 53 -
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