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Honeywell TrueZONE HZ311, HZ322, HZ432 User Manual

Honeywell TrueZONE HZ311, HZ322, HZ432
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Zoning System Design Manual
Zoning Made Effortless
70-2321-03
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Honeywell TrueZONE HZ311, HZ322, HZ432 Specifications

General IconGeneral
CategoryController
BrandHoneywell
Zones3
LED IndicatorsYes
Emergency HeatYes
ModelHZ432

Summary

Introduction to Zoning Systems

The Concept of Zoning

Explains the basic principle of forced air zoning for improved comfort and energy savings in homes.

Planning Your Zone System

Dividing the Home into Zones

Methods for dividing a house into zones and a typical setup for zoning, considering usage patterns.

Ducts and Dampers for Zoning

Ductwork Sizing and Design

Ductwork sizing for new construction and retrofit applications in zoned HVAC systems.

Selecting and Installing Dampers

Guidance on selecting and installing round and rectangular dampers, including placement advice.

Bypass Dampers and DATS

Sizing the Bypass Damper

Calculates the required bypass damper size based on system airflow and smallest zone requirements.

Discharge Air Temperature Sensor (DATS)

Details the mounting locations and importance of the DATS for system protection and comfort.

Zone Panel Installation and Components

Zone Panel Selection and Mounting

Instructions on selecting and mounting the zone panel, ensuring accessibility for service.

Thermostat Integration

Information on using thermostats, including wireless options, to facilitate zoning system installation.

Variable Speed Fan Control

Explains how to use zoning with variable speed fans and the role of static pressure control (SPC).

Retrofit Zoning Applications

Rigid Duct Retrofit

Using retrofit round dampers (RRD) for quick installation in rigid ductwork applications.

Flex Duct Retrofit

Utilizing round ARD dampers for retrofit applications in flexible ductwork.

Commercial Zoning Considerations

Commercial Zone Design Principles

Adapting zoning principles for commercial buildings with larger HVAC systems and more complex layouts.

Commercial Bypass and Zone Dampers

Specifying bypass and zone dampers suitable for higher airflow and static pressure in commercial settings.

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