Honeywell WEB-VA75M24NM - User Manual

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

Summary

DIMENSIONS AND SAFETY

Network Security

Guidelines and warnings regarding cyber security risks for VAV controllers connected to networks.

General Safety Instructions

Essential safety precautions to follow during installation, mounting, and operation of the controller.

HARDWARE OVERVIEW

IP Model Hardware Details

Diagram and description of the hardware components for the IP model controller.

MSTP Model Hardware Details

Diagram and description of the hardware components for the MSTP model controller.

MOUNTING AND SERVICE

Actuator Mounting Procedures

Guidelines for determining damper rotation direction and preparing for actuator mounting.

AIRFLOW SENSING

Airflow Sensor Connection

Instructions for connecting the airflow pickup tubing to the controller.

Differential Pressure Installation

Recommendations for differential pressure sensor installation and calibration.

POWER SUPPLY AND WIRING

Power Wiring Instructions

Detailed instructions and examples for connecting power to the controller.

INPUT;OUTPUT WIRING

Wiring Requirements

Guidelines for preparing and connecting wires to the controller's terminals.

Terminal Connections

A comprehensive table detailing all controller terminal connections and their functions.

NETWORK CONCEPTS

RS-485 Standard and Cable Specs

Information on the RS-485 standard and TIA/EIA 485 cable specifications.

BACNET IP CONTROLLER CONFIGURATION

DHCP and Link-local Addressing

Configuration of IP addresses using DHCP and link-local addressing.

Static IP Configuration

Steps for configuring a static IP address using the WEBs-N4 workbench.

BACNET MSTP WIRING

Termination Resistors & Bias Switches

BACnet MSTP Wiring Example

A wiring example for connecting the controller to a BACnet MSTP network.

BACNET MSTP CONTROLLER CONFIGURATION

Automatic MAC Addressing

How the controller automatically assigns MAC addresses on an MSTP network.

Manual MAC Address Configuration

Procedure for manually setting the MSTP MAC address using DIP switches.

Device Instance Number Configuration

Connecting to BACnet MSTP Network

MODBUS RTU COMMUNICATION

Modbus Considerations & Cables

SYLK BUS

Sylk Bus Wiring Example

TROUBLESHOOTING AND LED STATUS

BACnet and Modbus LED Status

Interpreting the LED indicators for BACnet and Modbus communication status.

Bluetooth LED Status

Controller LED Status

Interpreting the various LED indicators on the controller for status and errors.

REGULATORY INFORMATION AND WARNINGS

Professional Installation Warning

Warning that the device requires professional installation due to its complexity.

APPENDIX: SENSOR CHARACTERISTICS

Sensor Input Accuracy

Recognition of Sensor Failure

Thresholds for recognizing sensor failure (short-circuit and sensor-break).

Honeywell WEB-VA75M24NM Specifications

General

Brand	Honeywell
Model	WEB-VA75M24NM
Category	Controller
Language	English