Auto-Zone Control Systems Auto-Zone Plus Systems Installation & Operation (Version 03A) - Manual (Page 198)

Section 4 Auto-Zone Plus
4-48 Start-Up and Troubleshooting
4.2.4 Relay Output Descriptions
Output #1 - Main Fan ON/OFF Control
Output #2 - Mechanical Heating/Cooling Stage #1
Output #3 - Mechanical Heating / Cooling Stage #2
Output #4 - Mechanical Heating / Cooling Stage #3
Output #5 - Mechanical Heating / Cooling Stage #4
Any combination of heating and cooling stages may be configured during setup as long as
the required number of outputs does not exceed four. If heat is used, Output #2 will be the
first stage of heat, cooling stages will be after the heat.
4.2.5 RS-485 Communications Connector
This connector provides the connection point for the Local Loop RS-485 communications
loop. The wiring consists of a twisted pair of wires with a shield.
T - RS-485 (+) Communications terminal
SHLD - Common return wire, this point is tied to GND on the CV Controller.
R - RS-485 (-) Communications terminal