Fcu-01 Overview - Johnson Controls NXA-FCU-01 Installation Manual

Installation Guide

FCU-01 OVERVIEW

The NXA-FCU-01 Fan Coil Unit Controller is an Application Specific
Controller (ASC) in the NexSys product line. The FCU-01 controller is a 4" x
6" circuit board using SMT (surface mount technology) components. The
board is snap-track mountable, has 5 triac outputs, 1 analog output, 6 inputs, a
free topology transceiver, a STAT/Configuration port and is powered by 24
VAC. The FCU-01 controller can support stand-alone operation but is best
utilized when used in conjunction with network communications.
Status
LED
Output
Test
STATUS
Pushbutton
HOT NEU
24 VAC
24VAC
Power
Input
Figure 1. FCU-01 Controller.
6
FCU Controller
Cover
GND I6 GND I5 I4 GND I3 I2
Inputs
RESET
GND I1 VOUT HOT DO5 DO4 HOT DO3 DO2 HOT
Digital
Outputs
RESET
Pushbutton
}
}
Configuration
Port Plug
Service
LED
SERVICE Service
Pushbutton
DO1 AO1 AGND
Analog
Output