DUA
®
plus
DUA
WARNING:
The boiler is fitted with an automatic safety
reset device as protection against spillage
of combustion products inside the building.
In case of the device operation, the boiler
will remain in lock-out position indicating the
anomaly on the display.
After 15 minutes the boiler will be reset
automatically.
It is absolutely forbidden to
by-pass the smoke
thermostat.
If the boiler cuts off regularly,
it is necessary to ask a technician for a check
of the flue gas exhaust duct. This duct may
be obstructed or may be unsuitable for the
discharge of flue gas into the atmosphere.
UNICAL refuses all liability for
damage caused as a result of
incorrect installation, use, modi-
fication of the boilers or for non-observance
of the instructions provided by the manu-
facturer or applicable installation regulations
DIMENSIONS FOR CONNECTING FLUE GAS DUCT
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