Input 1 (I1) - Discharge Air Temperature Wiring - Johnson Controls NXA-FCU-01 Installation Manual

INPUT 1 (I1) - DISCHARGE AIR TEMPERATURE WIRING

Input 1 must be wired to the Discharge Air Temperature. Wiring for I1 is
shown in Figure 8. To wire I1 to a thermistor:
1. Select the correct jumper setting for a thermistor on J9.
2. Connect one lead of the thermistor to input terminal I1 on terminal
block J2.
3. Connect the other lead to one of the GND terminals.
NOTE: Only a 10K Type II (CP Curve) thermistor may be used.
Figure 8. I1 - Thermistor Wiring.
FCU Controller
I6 GND I5 I4 GND I3 I2 GND
J2
I1 VOUT
Installation Guide
THERMISTOR
15