Orion System SA Controller - Manual (Page 24)

Zone
Zone
Installation & Wiring
SA Controller Technical Guide 24
Entering Air Humidity Sensor
The OE265-14 Entering Air Humidity Sensor is connected to the system
by wiring it to the AI1 input on the SA Expansion Module. It must be
wired as shown in Figure 20 below for proper controller operation.
Entering Air Humidity Sensor Wiring
Warning: It is very important to be certain that all wiring is
correct as shown in the wiring diagram below. Failure to observe the
correct polarity will result in damage to the Entering Air Humidity
Sensor or SA Expansion Module.
Figure 20: OE265-14 – Entering Air Humidity Sensor Wiring