7
Aeraulic connections
The unit is provided with plastic nozzles with gaskets, jutting out for about 4 cm to fit the
flexible or rigid ducts; these must be equipped with gaskets to prevent air leaks and
undesired noise. Nozzle diameters:
delivery and recirculation
Ø 160
air exchange and ejection
Ø 160
WC/kitchen recovery air
Ø 125
NOTE: The actual diameter of the nozzles is approx. 1 mm shorter than the nominal diameter
ELECTRIC CONNECTIONS
WIRE SECTION
The electric supply line and the section devices must be selected by qualified electric planners;
the wire must in any case feature a 3x1,5 sq. mm min section, F + N + PE.
The picture below shows the connection terminals available:
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The electric supply must be provided on the unit;
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The 4-thread connection to the control panel provides a 24VDC supply and serial
communication. This should be a shielded wire with a 0,5-sq. mm. min section.
Electronic card on the unit
