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MACH-Air™ VAV Controller
2002 Reliable Controls™ Corporation
Networking
Networking
The Reliable Controls MACH-System™ can be networked in a
variety of ways, which are discussed in the ‘Networking the
Reliable Controls MACH-System™’ document.
When employing EIA-485 networks with the MACH-Air™ VAV
controller, the next three sections are relevant.
Network Connection
The MACH-Air™ VAV controller’s network connector is
located near the top right of the controller.
!
Connect one conductor to the A terminal and the other to the B
terminal.
!
When shielded cable is used, ground the shielding in one place
only and join the shields together using a wire nut (marrette)
where appropriate.
Try to ‘Daisy-Chain’ the network cable as shown below.
Avoid ‘Star’ and ‘Stub’ connections
Shielded Network cable Connections
