Introduction; What Are Vav Zone Ii Controllers - Carrier VAV Zone II Installation And Startup Manual

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Introduction

An i-Vu® Control System offers two VAV Zone II controllers, the VAV Zone II Single Duct (#OPN-VAVB1-02) and the

VAV Zone II Fan Terminal (#OPN-VAVB3-02), to control zone temperature using single duct or fan-powered

terminals in a Variable Air Volume (VAV

NOTE The single duct and fan terminal controllers are available in both English or Metric units. The metric version

has (-M) appended to the part number. Everything in this document applies to both versions.

You can disconnect the actuator from the controller and mount them separately, connecting them with just the

actuator cable or using an additional extension cable, up to a maximum distance of 300 feet.

Although a VAV Zone II can be included in a VVT system, this manual focuses mainly on its usage in VAV

applications.The VAV Zone II has a detachable actuator and maintains zone temperature by operating the terminal

fan and regulating the flow of conditioned air into the space. Buildings with diverse loading conditions can be

supported by controlling the local terminal's supplemental heat. The VAV Zone II provides dedicated control

functions for single duct, parallel fan box terminals and series fan box terminals with modulating heat, up to 2

stages of ducted heat, or combination baseboard and ducted heat.

The following illustration shows the VAV Zone II in a typical i-Vu® Control System.

VAV Zone II Controllers

Installation and Start-up Guide

) application.

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