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Johnson Controls FX-PCA4911 - User Manual

Johnson Controls FX-PCA4911
22 pages
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FX-PCA4911 Advanced Application Controller
Installation Guide
Application
The FX-PCA4911 Advanced Application Controller is part of
the FX-PC Series Programmable Controller family. The FX-
PCA equipment controllers run pre-engineered and user-
programmed applications, and provide the inputs and
outputs required to monitor and control a wide variety of
HVAC equipment.
FX-PCA4911 controllers operate on BACnet
®
/IP networks
and integrate into Johnson Controls
®
and third-party
systems. The controllers include an integral real-time
clock, which enables the controllers to monitor and
control schedules, calendars, and trends, and operate for
extended periods of time as stand-alone controllers when
offline from the Facility Explorer
®
system network.
The FX-PC controllers and network sensors communicate
using the BACnet protocol. The BACnet protocol is
a standard for ANSI, ASHRAE, and the International
Standards Organization (ISO) for building controls. FX-
PCA controllers are BTL-listed and certified as BACnet
Advanced Application Controllers (B-AACs).
North American emissions compliance
United States
This equipment has been tested and found to comply with
the limits for a Class A digital device pursuant to Part 15
of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference when
this equipment is operated in a commercial environment.
This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in
accordance with the instruction manual, may cause
harmful interference to radio communications. Operation
of this equipment in a residential area may cause harmful
interference, in which case the users will be required to
correct the interference at their own expense.
Canada
This Class (A) digital apparatus meets all the requirements
of the Canadian Interference-Causing Equipment
Regulations.
Cet appareil numérique de la Classe (A) respecte toutes
les exigences du Règlement sur le matériel brouilleur du
Canada.
Installation
Observe the following guidelines when installing a
controller:
To minimize vibration and shock damage, transport the
controller in the original container.
Verify that all parts shipped with the controller.
Do not drop the controller or subject it to physical
shock.
Parts included
One Advanced Application Controller.
One installation instructions sheet.
Materials and special tools needed
Three fasteners appropriate for the mounting surface
(M4 screws or #8 screws)
One 23 cm (9.125 in.) or longer piece of 35 mm DIN rail
and appropriate hardware for DIN rail mount (only)
Small straight-blade screwdriver for securing wires in
the terminal blocks
*241014301531C*
Part No. 24-10143-01531 Rev. C
2020-11-11
(barcode for factory use only)
FX-PCA4911-0
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Johnson Controls FX-PCA4911 Specifications

General IconGeneral
ModelFX-PCA4911
TypeProgrammable Controller
Input Voltage24 VAC
Number of Universal Inputs8
Number of Universal Outputs4
Number of Inputs8
Number of Outputs4
Supply Voltage24 VAC
Communication ProtocolBACnet

Summary

Product Application Overview

North American Emissions Compliance

Details US and Canadian emissions compliance for the device.

Installation Guidelines

Provides essential guidelines for physically installing the controller.

FX-PCA4911 Physical Features

Physical Features Table

Lists and describes the physical features and their references.

FX-PCA4911 Model Information

Model Information and Point Type Counts

Details model information and point type counts for the controller.

Mounting Guidelines

Provides guidelines for securely mounting the controller.

Controller Back View and Dimensions

DIN Rail Mounting

Wall Mounting

Wiring Safety Precautions

Network Topology Options

SA Bus Terminal Block Wiring

Supply Power Terminal Block Wiring

24 VAC Supply Power Wiring Diagram

Terminal Wiring Guidelines

I;O Terminal Blocks, Ratings, and Requirements

I;O Terminal Blocks and Cable Guidelines

Cable and Wire Length Guidelines

Maximum Cable Length vs. Load Current

Communications Bus and Supply Power Wiring

Communications Bus and Supply Power Terminals

Termination Diagrams Overview

Termination Details

Details termination diagrams for wiring inputs and outputs.

Termination Details (Continued)

Termination Details (Continued)

Termination Details (Continued)

Termination Details (Continued)

Termination Details (Continued)

Setup and Adjustments

Setting the Controller Number

Explains how to set the unique controller number using rotary switches.

Controller Number Rotary Switches

Setting Input Jumpers

UI Current Loop Jumpers

Details the function and setting of UI current loop jumpers.

Current Loop Jumper Positions

Input;Output Wiring Validation

Controller Commissioning

LED Status and Descriptions

Repair Information

Accessories Ordering Information

Technical Specifications

Technical Specifications (Continued)

Product Warranty

Software Terms of Use

Single Point of Contact Information

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