The function of the iV-Smart+ ventilation system requires the simultaneous operation of two
iV-Smart+ ventilation units in push-pull mode. This section therefore describes the connection of
a pair of units, not a single unit.
31
INSTALLATION AND ASSEMBLY
31
iV-Smart+ ventilation unit | Installation instructions
1.1 Electrical connection of the reversible fan
Requirements:
• The reversible fan is inserted into the wall sleeve.
►
Shorten the controller connecting cable, 3-wire, to
your determined wall thickness minus 200 mm.
►
Remove the cable sheath from the controller
connecting cable.
NOTICE: Using the wrong wire end fer-
rules to connect
the cables in the plug-in
connector
will lead to a short circuit in the fan
BUS!
• Use wire ferrules with collars to connect
the wire strands.
►
Press wire end ferrules onto the cables, cable
cross-section 0.75 mm².
►
Loosen the plug connections on the
reversible fans of the two ventilation units.
►
Align the plug connectors on the ventilation units so
that the clamping screws on both are facing in the
same direction (e.g. upwards).
NOTICE
Incorrect electrical connection
will damage the fan motor!
• Always connect the ventilation unit to the mains supply via a controller.
• Ensure the correct sequence of the wire colours so that the fans start.
Stripping tool, screwdriver, blade, wire end ferrules (3 x 0.75 mm²)
3 x 0.75 mm²
