9
the product is connected must
be in compliance with
applicable regulations.
•An omnipolar switch with a
contact opening distance of 3
mm or higher should be
provided for installation,
enabling complete
disconnection under
overvoltage category III
conditions.
Products equipped with single-
phase wiring (M) engines
ALWAYS require connection to
220-240V (or only 230V where
required) single-phase lines. Any
kind of modification shall be
considered as product tampering
and shall nullify the relative
warranty.
Duct and window - wall fan
units
Precautions must be taken to
prevent gas coming from the gas
flue pipe or from other fuel
combustion units from entering
into the room.
Window - wall fan units
Fans have been designed to be
mounted on windows or external
walls.
Units equipped with manual
reset thermal breaker device
In order to avoid any danger of
accidental reset of the thermal
breaker device, units must not be
powered by an external switch
device such as a timer, or must
not be connected to a circuit that
is regularly powered or
disconnected from power utilities
Typical application
Fig. 1-2;
If the appliance is installed at a height of less than 2.3
metres from ground level and the length of the
d
ucting connected to the inlet and outlet so requires,
s
pecial safety devices should be fitted to prevent any
r
isk of contact with the blades.
Installation
Fig. 3 ÷ 26;
Fig.3: E= Air flow direction data plate; C= Air Inlet; D=
Air Outlet.
ENGLISH
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