Digital Output Do1 - Fan Wiring - Johnson Controls NXA-FCU-01 Installation Manual

Installation Guide

DIGITAL OUTPUT DO1 - FAN WIRING

NOTE: The rating for this output is 0.5 amps at 24VAC.
Digital output 1 must be wired to the fan. Wiring for the Fan is shown in
Figure 15. To wire DO1 to the Fan:
1. Connect the HOT terminal to one side of the pilot relay's coil.
2. Connect the DO1 terminal to the other side of the pilot relay's coil.
3. Wire the pilot relay's output to the appropriate specifications for the
device.
J3
Figure 15. DO1 - Fan Wiring.
22
FCU Controller
HOT DO5 DO4 HOT DO3 DO2 HOT DO1 AO1 AGND
Fan