Orion System SA E-BUS Controller - Manual (Page 16)

Zone
Zone
Installation & Wiring
SA E-BUS Controller Technical Guide 16
Entering Air Temperature Sensor Wiring
Entering Air
Temperature Sensor
AI4
GND
Be Sure Jumper Is Set
For THERM
On AI4 For Entering
Air Temperature Sensor
AI1
AI1 SET
A
I2 SET
AI3 SET
AI4 SET
A
I5 SET
AI7 SET
AI2
AI3
AI4
AI5
AI7
SA E-BUS Controller
Mount In Entering
Air Stream
Note: No Additional Wiring
is Required For Dual Cabinet
Units.
Entering Air Temperature Sensor
The OE231 Entering Air Temperature Sensor must be wired as shown
in Figure 11 below for proper operation of the SA E-BUS Controller.
The Entering Air Temperature Sensor is a 10K Type III thermistor sen-
sor. The sensor should be mounted as shown in an area that is protected
from the elements and direct sunlight.
Figure 11: OE231 – Entering Air Temperature Sensor Wiring
NOTE: For Dual Cabinet Units, mount the Entering Air
Temperature Sensor in an Entering Air Duct area that is common
to both SA Units.