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6 Network Installation

Controller 4 Operation Manual 90-30027-00 Rev A-01 Date: 032720

Network Wiring Requirements:

• Use stranded CAT5e or higher shielded cable.

• Minimum 24AWH (0.5mm) cross section.

• Ground the shielding and drain wire at only one point of the cable run.

• Route wires as far away as possible from high voltage AC cables, fluorescent lights, arc

welders, and other equipment that transmits EMI (electromagnetic interference).

• Do not run CAT5e in conduit with high voltage AC cables.

• Do not exceed 400ft [122m] of CAT5e between each fan in the network.

Daisy Chain

Network MacroAir fans must be connected in one single line, referred to in this document as a

“daisy chain”. The characteristics of a proper daisy chain are: one beginning (Controller 4) and

one end (last fan or control panel).

If the fans are not connected in

one line/chain, there will be a

degradation of the communication

signal and the network may not

function as intended (fans in the

network may not operate).

Each fan has a unique address,

which is noted on a sticker on the

fan itself (AVD 370) or control

panel (AVD3, 550, 780, Y and X

Series Fans). It is important to

mount the fans in the correct

order.

MacroAir Technologies 4 User Manual

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