Honeywell WEB-VA423B24N Installation Instructions Manual

Spyder Model 5
COMPACT VAV CONTROLLER
WEB-VA423B24N
Fig. 1. WEB-VA423B24N

TABLE OF CONTENTS

Trademark Information ........................................................ 1
Product description ............................................................... 1
Safety instructions ................................................................. 1
Dimensions ................................................................................ 2
Specifications ........................................................................... 3
Terminals .................................................................................... 4
Installation ................................................................................. 5
Piping ............................................................................................ 8
Power supply ............................................................................. 9
Wiring ............................................................................................ 9
Communication .................................................................... 10
Commissioning ..................................................................... 13
Operator interface LEDs ................................................... 14
Schematic Diagram ............................................................ 15
Typical VAV application - Example wiring ............... 16
Replacing actuator .............................................................. 17
Approvals, Certifications, etc. ......................................... 18
Related Technical Literature .......................................... 19
Appendix .................................................................................. 19

TRADEMARK INFORMATION

Sylk™ is a trademark of Honeywell International Inc.
BACnet®is a registered trademark of ASHRAE Inc
® U.S. Registered Trademark
Copyright © 2020 Honeywell Inc. • All Rights Reserved

PRODUCT DESCRIPTION

The WEB-VA423B24N controller is part of the
Honeywell WEBs Spyder Model 5 family. The
Honeywell Spyder Model 5 (WEB- VA423B24N)
family of unitary controllers provide flexible, freely
programmable, demand-led control that delivers
tangible benefits to reduce energy spends while
driving new levels of functionality and efficiency in
today's buildings. These scalable and freely
programmable BACnet MS/TP-based unitary
controllers utilize smart engineering and
commissioning tools and Sylk™ bus technology.
Multiple flexible configurations can be achieved to
address specific applications.
WEB-VA423B24N and replacement parts are
described in Table 1 and Table 2 on pg.2.

SAFETY INSTRUCTIONS

• While performing any work (installation,
mounting, startup), all instructions given
by the manufacturer and the safety
instructions provided in this document
must be followed.
•
The WEB-VA423B24N compact VAV
controller must be installed and mounted
only by authorized and trained personnel.
•
If the unit is modified in any way, except by
the manufacturer, all warranties
concerning operation and safety become
invalid.
• Make sure that applicable local standards
and regulations are always observed.
• Use only Honeywell supplied or approved
accessories.
• Before the system is dismantled,
disconnect the power supply by either
removing the power terminal block from
the controller, or by means of local
isolation. Read the following caution note
.
carefully.
INSTALLATION INSTRUCTIONS
CAUTION
Disconnect the power supply
before installing the WEB-
VA423B24N controller. Do not
reconnect the power supply until
you have completed the
installation.
31-00362-01