Johnson Controls

FX-ZFR185X-0

FX-ZFR Series • HVAC Controller

FX-ZFR185X-0

Quick Info

Type HVAC
Application Zone Control
Probe Inputs 4
Relay Outputs 4
Communication BACnet MS/TP
Panel Size - mm

Zone-level field controller for VAV and fan coil applications

Technical Specifications

Display & Interface

Display Type None
Display Digits -
Buttons 0

Power Supply

Voltage 24V AC
Voltage Range 21-26.4V AC
Frequency 50/60Hz
Power Consumption 8VA

Sensor Inputs

Probe Inputs 4
Probe Type Universal (10K, 20K, 0-5V, 0-10V)
Temp Range -°C

Relay Outputs

Relay Outputs 4
Relay Rating 2A/30VAC

Physical

Panel Size - mm
Depth - mm
IP Rating IP20

Operating Conditions

Operating Temp 0 to 50°C

Wiring Terminals

Terminal Function Type Wire Color
24V AC Power Power
power
Analog Inputs Input
sensor
Binary Inputs Input
digital
Analog Outputs (Damper/Valve) Output
analog
Relay Outputs Output
relay
BACnet Communication
comm

Important: Always disconnect power before wiring. Verify terminal numbers with the actual controller label before connecting.

Parameter Settings

Code Parameter Range Default Description
AI1-4 Analog Inputs Configurable 10K NTC
BI1-4 Binary Inputs Dry Contact N.O.
AO1-2 Analog Outputs 0-10V 0V
BO1-4 Binary Outputs Relay Off

Error Codes

AI Fail