Airflow AV315B Manuale di installazione e istruzioni per l'uso - Pagina 6
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PREPARATION OF DEVICE OPERATION
The fan consists of: -
Case 1 with installed electric motor with impeller; capacitor 4,
installed inside of the case 1; grille 2, which is attached to the
case using screw 3 (diameter of pipes of case and grille
corresponds to diameter of installing duct); cover of terminal
block 5 for connecting of the fan to single-phase circuit;
Connecting of the fan to single-phase circuit (figure 3) is through
a switch, built-in to fixed wiring. Connection of fans to electric
power supply must be performed only through a switch with
actuation length not less than 3mm at all poles. The fan is
installed vertically or horizontally. Direction of air-charging is to
comply with direction of arrow on the fan case.
To mount the fan on the wall or ceiling, it is necessary to make
the following adjustments. Screw out from each side of the case
1 of the fan dowel 8 and install brackets, ensuring alignment of
holes in the brackets with screw heads 3.
Attach brackets to the case of the fan with dowels 8. Perforate
veiling (wall) for dowels according mounting holes of the support
and mount the fan using screws.
Connect ducts of corresponding diameter to the fan and fix them
using cable ties. For best performance smooth out flexible
ducting to reduce the effects of system resistance and do not
squash ducting at bends.