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Honeywell WEB-VA75MB24NM User Manual

Honeywell WEB-VA75MB24NM
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INSTALLATION INSTRUCTIONS
® U.S. Registered Trademark
Copyright © 2022 Honeywell Inc. • All Rights Reserved
31-00475-01
Spyder
TM
Model 7
VAV CONTROLLER
General ............................................................................... 3
Trademark Information .................................................... 3
Product Description........................................................... 3
Controller Part Numbers ................................................. 3
Dimensions ........................................................................... 4
Network Security ............................................................. 4
General Safety Instructions.......................................... 4
Specifications................................................................... 5
Electrical ................................................................................ 5
Operational Environment................................................ 5
Hardware................................................................................ 5
Integrated Actuator..............................................................5
Communications ................................................................ 6
Modbus Client...................................................................... 6
Sylk™ Supported Devices................................................. 6
Differential Pressure Sensor .......................................... 6
Weight And Dimensions .................................................. 6
Universal IO........................................................................... 7
Solid State Relay (SSR)..................................................... 7
Wireless Connectivity........................................................ 7
Hardware overview ......................................................... 8
IP Model ................................................................................. 8
MSTP Model ......................................................................... 8
Service Button...................................................................... 9
Mounting ........................................................................... 9
Before Mounting Actuator .............................................. 9
Mounting Actuator onto Damper Shaft................... 10
Airflow Sensor Connection ........................................... 12
Differential Pressure Installation
Recommendations........................................................... 12
Airflow Sensor Replacement........................................ 13
Power supply.................................................................. 14
General Information ........................................................ 14
Power Wiring....................................................................... 14
Power Wiring Examples.................................................. 15
Input / Output Wiring ................................................. 16
Wiring Requirements ...................................................... 16
Internal Wiring Examples.............................................. 17
Terminal Connections..................................................... 18
UIO Wiring Examples ...................................................... 19
SSR (DO) Wiring Examples........................................... 20
20 VDC Auxiliary Wiring Examples............................ 20
Network Concepts........................................................ 21
The RS-485 Standard..................................................... 21
TIA/EIA 485 Cable Specifications .................................. 21
IP Network Topologies.................................................... 21
Daisy Chain......................................................................... 21
Ring Topology.................................................................... 21
BACnet IP Controller ................................................... 22
DHCP IP Configuration.................................................. 22
Link-local addressing..................................................... 22
Static IP Configuration .................................................. 22
Connect to a IP Network................................................ 22
WiFi (Future Release) .................................................. 22
Install the Local Antenna.............................................. 22
Install the Remote Antenna ......................................... 22
Remote Antenna Placement........................................ 23
BACnet MSTP Wiring................................................... 24
Termination Resistors .................................................... 24
RS-485 Bias Switches .................................................... 24
BACnet MSTP Wiring Example ................................... 24
BACnet MSTP Controller ............................................ 25
Automatic MAC Addressing ......................................... 25
Manual configuration of the MAC Address ........... 25
Configure the Device Instance Number.................. 26
Connect to the BACnet MSTP Network ................... 26
Modbus RTU................................................................... 27
Modbus Considerations................................................ 27
Default Modbus values................................................ 27
Cables and Shielding...................................................... 27
Modbus RS-485 Repeaters.......................................... 27
Wiring Topology ................................................................ 27
Sylk™ Bus ........................................................................ 28
Supported Sylk bus devices......................................... 28
Sylk bus Wiring Example............................................... 28
Bluetooth Balancing.................................................... 29
Overview .............................................................................. 29
Troubleshooting............................................................ 30
BACnet and Modbus LED Status............................... 30
Bluetooth LED Status..................................................... 31
Controller LED Status .................................................... 31
Regulatory Information .............................................. 32
FCC Regulation................................................................. 32
Canadian Regulatory Statement ............................... 32
Professional Installation Warning.................................. 32
Detachable Antenna Warning (IC) ................................. 32

Table of Contents

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Honeywell WEB-VA75MB24NM Specifications

General IconGeneral
ModelWEB-VA75MB24NM
SeriesWEBs-AX
TypeController
Input Voltage24 VAC
Enclosure RatingNEMA 1
Communication ProtocolBACnet MS/TP, BACnet IP

Summary

General Information

Network Security and Safety

General Safety Instructions

Provides essential safety guidelines for installing and operating the controller.

Specifications

Communications and Modbus Client

Hardware Overview

Service Button Functions

Mounting Actuator

Mounting Actuator onto Damper Shaft

Airflow and Differential Pressure Sensors

Airflow Sensor Connection

Instructions for connecting the airflow pickup to the controller.

Differential Pressure Installation Recommendations

Guidelines for accurate differential pressure sensing and installation.

Power Supply and Wiring

General Information and Power Wiring

Covers power supply requirements and general wiring practices.

Input/Output Wiring Requirements

Terminal Connections

SSR (DO) and 20 VDC Auxiliary Wiring Examples

Network Concepts

RS-485, TIA/EIA 485, and IP Network Topologies

Explains RS-485 standard, cable specs, and IP network topologies.

Daisy Chain and Ring Topologies

Details daisy chain and ring topologies for network connections.

BACnet IP Controller Configuration

DHCP, Link-local, and Static IP Configuration

Covers IP address configuration methods for BACnet IP.

WiFi Installation (Future Release)

BACnet MSTP Wiring

Termination Resistors and Bias Switches

Details MSTP termination resistors and RS-485 bias switch settings.

BACnet MSTP Controller Addressing

Automatic and Manual MAC Addressing

Explains automatic and manual MAC address assignment for MSTP controllers.

Configure Device Instance Number

Connect to BACnet MSTP Network

Modbus RTU

Sylk™ Bus

Bluetooth Balancing Overview

Troubleshooting

Bluetooth and Controller LED Status

Regulatory Information

Standards, Certifications, and REACH Communication

Appendix: Sensor Input Accuracy

Recognition of Sensor Failure

Sensor Characteristics

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