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iWorX VAV Series Installation Manual

Terminal unit controller
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Self-Contained Interoperable Controller Model CM2
SUPERSEDES: November 17, 2010
Plant ID: 001-3959
VAV Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Representations and Warranties . . . . . . . . . . . . . . . . . 2
Applicable Documentation . . . . . . . . . . . . . . . . . . . . . . 3
Installation Instructions. . . . . . . . . . . . . . . . . . . . . . . . . 4
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Static Electricity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
FCC Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Before Installing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
About this Document . . . . . . . . . . . . . . . . . . . . . . . . 5
Inspecting the Equipment . . . . . . . . . . . . . . . . . . . . 5
Equipment Location . . . . . . . . . . . . . . . . . . . . . . . . . 5
Selecting a Power Source . . . . . . . . . . . . . . . . . . . . 5
© 2011 Taco Electronic Solutions, Inc.
Installation Guide
VAV Series Terminal Unit Controller

Table of Contents

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Mounting the Device. . . . . . . . . . . . . . . . . . . . . . . . .6
Routing Cabling to the Device . . . . . . . . . . . . . . . . .7
Grounding the Device. . . . . . . . . . . . . . . . . . . . . . . .8
Wiring Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Connecting Input Devices. . . . . . . . . . . . . . . . . . . . .8
Connecting Output Devices . . . . . . . . . . . . . . . . . . .9
Other Connections . . . . . . . . . . . . . . . . . . . . . . . . . .9
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Diagnostic LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Troubleshooting Tips . . . . . . . . . . . . . . . . . . . . . . .12
502-011
EFFECTIVE: March 16, 2011
1

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Summary of Contents for iWorX VAV Series

  • Page 1: Table Of Contents

    Table of Contents VAV Series ........2 Installation .

  • Page 2: Vav Series

    Document is being used. iWorx® products shall only be used for the applications identified in the product specifications and for no other pur- poses. For example, iWorx® products are not intended for use to support fire suppression systems, life support sys- tems, critical care applications, commercial aviation, nuclear facilities or any other applications where product failure could lead to injury to person, loss of life, or catastrophic property damage and should not be used for such purposes.

  • Page 3: Applicable Documentation

    VAV Series Application – Application Engineers Provides instructions for setting up and using Guide, Document No. 505-011 – Installers the iWorx® VAV Series controllers. – Service Personnel – Start-up Technicians – End user iWorx® VPU2 Application Guide, – Application Engineers Provides instructions for setting up and using Document No.

  • Page 4: Installation Instructions

    VAV Series INSTALLATION INSTRUCTIONS Precautions General This symbol is intended to alert the user to the presence of important installation and maintenance (servic- ing) instructions in the literature accompanying the equipment. WARNING: Electrical shock hazard. Disconnect ALL power sources when installing or servicing this equipment to prevent electrical shock or equipment damage.

  • Page 5: Before Installing

    VAV Series BEFORE INSTALLING About this Document The instructions in this manual are for the Terminal Unit Controller controllers. Inspecting the Equipment Inspect the shipping carton for damage. If damaged, notify the carrier immediately. Inspect the equipment for damage.

  • Page 6: Mounting The Device

    VAV Series Mounting the Device 1.Open the damper halfway. 2.Press the black motor release on the motor housing and rotate the actuator so that its flat edge is parallel to the edge of the housing as shown in Figure 1.

  • Page 7: Routing Cabling To The Device

    VAV Series Figure 1: Mounting Dimensions Routing Cabling to the Device Cabling used to connect the power source and cabling used to connect the FTT-10A network must remain separated within the control enclosure and wiring conduit. 502-011, Effective: March 16, 2011...

  • Page 8: Grounding The Device

    WARNING: Terminals 9, 14, 17, and 20 are connected internally on all Terminal Unit Controller controllers. Disconnect ALL power sources when installing or servicing this equipment to prevent electrical shock or equipment damage. Figure 2: VAV Series Terminal Connections Connecting Input Devices Thermostat (STAT) Connect one wire of a TS300 Series sensor to the STAT (T15) terminal.

  • Page 9: Connecting Output Devices

    VAV Series Indoor Air Quality (IAQ) To connect the digital CO level sensor to the unit, attach one wire from the sensor to IAQ (T18) and the other wire to the adjacent common (T17). The sensor must provide a contact closure when the CO limit is exceeded.

  • Page 10: Specifications

    VAV Series SPECIFICATIONS Electrical Inputs • Cabling: twisted shielded pair, 18 AWG recommended—500 feet max. (152 meters) • Resolution: 10 bit Thermostat Network • 12 Volt nominal, internally limited to 0.04 A Primary Air Temperature, Discharge Air Temperature Sensors •...
  • Page 11 VAV Series • ABS Polycarbonate Weight • Controller weight: 29 ounces (0.82 kilograms) • Shipping weight: 40 ounces (1.1 kilograms) Electronics • Processor: 3150 Neuron 10 MHz • Flash: 48 Kilobytes • SRAM: 8 Kilobytes • Termination: 0.197” (5.0 mm) Pluggable Terminal Blocks, 14-22 AWG Actuator •...

  • Page 12: Troubleshooting

    VAV Series? Can VAV Series controllers have Yes, each VAV Series controller on the network can be part of a different LCI group con- independent schedules? taining a different schedule. Remember the LCI is limited to 16 groups and 16 sched- ules.
  • Page 13 “System Options” screen of the LCI. Getting Help Components within an iWorx® VAV Series controller cannot be field repaired. If there is a problem with a controller, fol- low the steps below before contacting your local TES representative or TES technical service.
  • Page 14 VAV Series 502-011, Effective: March 16, 2011 © 2011 Taco Electronic Solutions, Inc.
  • Page 15 VAV Series 502-011, Effective: March 16, 2011 © 2011 Taco Electronic Solutions, Inc.
  • Page 16 Taco Electronic Solutions, Inc. is a subsidiary of Taco, Inc. Visit our web site at: http://www.taco-hvac.com Printed in the USA iWorx® and iView® are registered trademarks of Taco Electronic Solutions, Inc. © 2011 Taco Electronic Solutions, Inc. LON, LONWORKS, & LONMARK are trademarks of Echelon Corporation...

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