Orion System SA Controller - Manual (Page 25)

SA Controller Technical Guide
Installation & Wiring
25
Indoor Wall-Mounted Humidity Sensor
When used, the OE265-11 Indoor Wall-Mounted Humidity Sensor is
connected to the system by wiring it to the AI2 input on the SA Expan-
sion Module. It must be wired as shown in Figure 21 below for proper
controller operation.
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 Space Humidity
Sensor or SA Expansion Module.
Figure 21: OE265-11 – Indoor Wall-Mounted Humidity Sensor Wiring
Indoor Wall-Mounted Humidity Sensor Wiring