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Johnson Controls METASYS VAV110 - User Manual

Johnson Controls METASYS VAV110
92 pages
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Application Specific Controllers Technical Manual 636.3
VAV Controller Section
Technical Bulletin
Issue Date 0309
© 2009 Johnson Controls, Inc. 1
Code No. LIT-6363040
Introduction Page 5
Description 5
 OEM Applications 8
 Standards Compliance *
8
 Coordination of Factory Mounted VAV Systems
8
Configuring the Controller 11
 Using HVAC PRO for Windows Configuration Tool 11
 Defining a VAV Control Device Object in Metasys Software 13
Installation Procedures 17
 Tools Needed 17
 Environmental Information 17
 Mounting the Controller 18
 Power Line Wiring Transient Noise Precautions 21
 I/O and Communication Lines Wiring Transient Noise Precautions 23
Variable Air Volume (VAV) Controller
* Indicates those sections where changes have occurred since the last printing.
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Johnson Controls METASYS VAV110 Specifications

General IconGeneral
BrandJohnson Controls
ModelMETASYS VAV110
CategoryController
LanguageEnglish

Summary

Introduction

Description

Overview of the Variable Air Volume (VAV) Controller's function and capabilities.

OEM Applications

Details on using VAVs with specific OEM terminal boxes and related product notes.

Standards Compliance

Lists industry standards the VAV Controller complies with for safety and performance.

Factory Mounted VAV System Coordination

Outlines responsibilities and coordination required for factory-mounted VAV control systems.

Configuring the Controller

HVAC PRO Configuration Tool

Guide to using HVAC PRO software for VAV Controller configuration, commissioning, and database management.

Metasys Software Device Object

Steps for creating a VAV Controller device object within the Metasys network system for integration.

Installation Procedures

Tools Needed

Lists essential tools and software required for a typical VAV Controller installation.

Environmental Information

Specifies site conditions and environmental standards for VAV Controller installation.

Mounting the Controller

Instructions and options for physically mounting the VAV Controller in various enclosures or locations.

Power Line Wiring Transient Noise Precautions

Guidelines to prevent electrical noise and transients affecting the VAV Controller's power supply.

I;O and Communication Lines Wiring Transient Noise Precautions

Precautions for wiring I/O and communication lines to minimize electrical noise interference.

Wiring Details

Power Source and Loads

Guidance on selecting and connecting appropriate power sources and understanding load requirements.

Grounding and Isolation

Procedures and diagrams for proper grounding and electrical isolation of VAV controllers.

I;O and Communication Terminals

Identification and description of input/output and communication terminal connections on the VAV controller.

Power, Zone Bus, and N2 Connections

Details on connecting power, Zone Bus, and N2 network communication lines.

Analog Inputs

Configuration and use of analog input terminals for sensors and setpoints.

Binary Inputs

Description of dry contact binary inputs and their functions.

Binary Outputs

Explanation of binary output triacs and their connection requirements.

Analog Outputs

Details on proportional voltage outputs for analog outputs.

Zone Bus

Information on the Zone Bus communication protocol and its interface.

Wiring Sensors and Actuators

Guidelines for selecting appropriate wire sizes and lengths for sensors and actuators.

Networking the Controller

N2 Bus Overview

Introduction to the N2 Bus communication network for Metasys systems.

Installing the N2 Bus

Steps for installing and configuring the N2 Bus network for VAV controllers.

Zone Bus Communications

Technical specifications and usage of the Zone Bus for communication.

Application Examples

Single Duct Applications

Illustrates configuration questions and wiring for single duct VAV applications.

Dual Duct Applications

Demonstrates configuration questions and wiring for dual duct VAV applications.

Downloading;Commissioning

Via Zone Bus

Procedure for downloading and commissioning VAV controllers using the Zone Bus.

Via N2 Bus

Procedure for downloading and commissioning VAV controllers using the N2 Bus.

Troubleshooting

Hardware Installation Inspection

Checks and procedures for inspecting VAV controller hardware installation.

Tools Needed for Troubleshooting

Lists necessary tools for diagnosing and resolving VAV controller issues.

Installation Checkout

Steps to verify proper installation and connections of the VAV controller.

VAV Controller Troubleshooting with HVAC PRO

Common symptoms and corrective actions for VAV control issues using HVAC PRO.

N2 Bus and Networked Controller Troubleshooting

Diagnosing and resolving communication problems with the N2 Bus and networked VAV controllers.

Zone Bus Troubleshooting with HVAC PRO

Identifies and resolves Zone Bus communication errors during HVAC PRO operations.

Ordering Information

Product Code Numbers

Lists product code numbers for VAV controllers and related sensors/transmitters for ordering.

Specifications

Related product manuals