Table Of Contents - Carrier VAV Zone II Installation And Startup Manual

Table of Contents

Contents

Introduction .................................................................................................................................................................. 1

What are VAV Zone II controllers? ..................................................................................................................... 1

Specifications ........................................................................................................................................................ 4

Linkage ................................................................................................................................................................... 6

Safety Considerations .......................................................................................................................................... 8

Field-supplied hardware ...................................................................................................................................... 8

Installing the VAV Zone II ............................................................................................................................................ 9

Mounting the VAV Zone II .................................................................................................................................... 9

To mount the controller and actuator .................................................................................................. 9

To connect duct tubes to the flow sensors ........................................................................................ 13

Wiring the VAV Zone II for power..................................................................................................................... 14

To wire the controller for power .......................................................................................................... 14

Addressing the VAV Zone II .............................................................................................................................. 15

Wiring for communications .............................................................................................................................. 15

Wiring specifications for BACnet MS/TP and ARC156 ...................................................................... 16

To wire the controller to the BACnet network .................................................................................... 16

Wiring devices to the VAV Zone II's Rnet port ............................................................................................... 17

Wiring specifications ........................................................................................................................... 17

To wire ZS sensors to the controller ................................................................................................... 17

To wire the Wireless Adapter for wireless sensors ............................................................................ 18

To wire an Equipment Touch to the VAV Zone II ................................................................................ 20

To wire the TruVu™ ET Display ........................................................................................................... 21

Wiring sensors to the VAV Zone II's inputs .................................................................................................... 22

To wire the T55 sensor to the controller ............................................................................................ 23

To wire the Supply Air Temperature sensor to the controller ........................................................... 23

To wire the CO2 sensor to the controller ........................................................................................... 24

To wire the Relative Humidity sensor to the controller ..................................................................... 25

Wiring a remote occupancy sensor .................................................................................................... 26

Wiring equipment to the VAV Zone II's outputs ............................................................................................ 27

Wiring specifications ........................................................................................................................... 27

Wiring diagram legend ........................................................................................................................ 28

No heat - Single duct or fan box application ...................................................................................... 28

2-position hot water/steam heat - Single duct .................................................................................. 29

Modulating hot water/steam (ducted or baseboard) - Single duct application ............................... 30

Combination heat (ducted electric heat with modulating baseboard heat) - Single duct application

.............................................................................................................................................................. 31

Electric heat (ducted or baseboard) - Single duct application .......................................................... 32

SCR electric heat (ducted or baseboard) - Single duct application .................................................. 33

2-position hot water/steam (ducted or baseboard) - Fan box application ...................................... 34

Modulating hot water (ducted or baseboard) - Fan box application ................................................ 35

Combination heat (ducted electric heat with modulating baseboard heat) - Fan box application. 36

2-stage electric heat (ducted or baseboard) - Fan box application .................................................. 37

SCR electric heat (ducted or baseboard) - Single duct application .................................................. 38

Wiring a field-supplied high-torque actuator to the analog output ................................................... 38

Start-up ....................................................................................................................................................................... 40

Configuring the VAV Zone II's properties ........................................................................................................ 40

Configuring ZS Sensors ..................................................................................................................................... 41

Performing system checkout ........................................................................................................................... 41

Commissioning the VAV Zone II ...................................................................................................................... 42

Balancing the system using the i-Vu®/Field Assistant applications ......................................................... 43

Prepare for balancing.......................................................................................................................... 43

Balance each zone .............................................................................................................................. 43