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Taco iWorX HPU2 Installation Manual

Water source heat pump controller
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HPU2 Water Source Heat Pump Controller
Self-Contained Interoperable Controller Model UCP-1
SUPERSEDES: New
Plant ID: 001-3982
HPU2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Purpose of This Guide . . . . . . . . . . . . . . . . . . . . . . . . . 2
Representations and Warranties . . . . . . . . . . . . . . . . . 2
Applicable Documentation . . . . . . . . . . . . . . . . . . . . . . 3
Installation Instructions . . . . . . . . . . . . . . . . . . . . . . 3
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Static Electricity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
FCC Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Before Installing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
About this Document . . . . . . . . . . . . . . . . . . . . . . . . 4
Inspecting the Equipment . . . . . . . . . . . . . . . . . . . . 4
Equipment Location . . . . . . . . . . . . . . . . . . . . . . . . . 5
Selecting a Power Source . . . . . . . . . . . . . . . . . . . . 5
© 2011 Taco Electronic Solutions, Inc.
Installation Guide

Table of Contents

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Wiring Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Mounting the Device. . . . . . . . . . . . . . . . . . . . . . . . .5
Routing Cabling to the Device . . . . . . . . . . . . . . . . .6
Grounding the Device. . . . . . . . . . . . . . . . . . . . . . . .7
Connecting Input Devices. . . . . . . . . . . . . . . . . . . . .9
Connecting Output Devices . . . . . . . . . . . . . . . . . .10
Other Connections . . . . . . . . . . . . . . . . . . . . . . . . .10
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Diagnostic LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Troubleshooting Tips . . . . . . . . . . . . . . . . . . . . . . .13
502-025
EFFECTIVE: April 12, 2011
1

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Summary of Contents for Taco iWorX HPU2

  • Page 1: Table Of Contents

    Equipment Location ......5 Selecting a Power Source ....5 © 2011 Taco Electronic Solutions, Inc.

  • Page 2: Hpu2

    REPRESENTATIONS AND WARRANTIES This Document is subject to change from time to time at the sole discretion of Taco Electronic Solutions, Inc. All updates to the Document are available at www.taco-hvac.com. When installing this product, it is the reader’s responsi- bility to ensure that the latest version of the Document is being used.

  • Page 3: Applicable Documentation

    HPU2 Taco Electronic Solutions, Inc. will not be responsible for any product or part not installed or operated in conformity with the Document and instructions or which has been subject to accident, disaster, neglect, misuse, misapplication, inade- quate operating environment, repair, attempted repair, modification or alteration, or other abuse. For further informa- tion, please refer to the last page of this Document for the company’s Limited Warranty Statement, which is also issued...

  • Page 4: Static Electricity

    • A power source for the equipment electronics and peripheral devices. • Tools necessary to install, troubleshoot and service the equipment. • The screws or DIN rail needed to mount the device. 502-025, Effective: April 12, 2011 © 2011 Taco Electronic Solutions, Inc.

  • Page 5: Equipment Location

    3.Using a small drill bit pre-drill the mounting holes. 4.Using two #6 pan head screws, mount the controller to the panel. 5.Wire the controller (See Routing Cabling to the Device). 502-025, Effective: April 12, 2011 © 2011 Taco Electronic Solutions, Inc.

  • Page 6: Routing Cabling To The Device

    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. 502-025, Effective: April 12, 2011 © 2011 Taco Electronic Solutions, Inc.

  • Page 7: Grounding The Device

    WARNING: Terminals 4 and 6 are connected internally on all HPU2 controllers. Disconnect ALL power sources when installing or servicing this equipment to prevent electrical shock or equipment damage. Figure 2: HPU2 Wiring Example - Power Sourcing 502-025, Effective: April 12, 2011 © 2011 Taco Electronic Solutions, Inc.
  • Page 8 HPU2 Figure 3: HPU2 Wiring Example - Power Sinking 502-025, Effective: April 12, 2011 © 2011 Taco Electronic Solutions, Inc.

  • Page 9: Connecting Input Devices

    Thermostat (STAT) To connect the heat pump thermostat to the unit, attach one wire from the thermostat to STAT (T3) and the other wire to the adjacent common (T4). 502-025, Effective: April 12, 2011 © 2011 Taco Electronic Solutions, Inc.

  • Page 10: Connecting Output Devices

    TV reception. SPECIFICATIONS Electrical Inputs • Cabling: twisted shielded pair, 18 AWG recommended—500 feet max. (152 meters) • Resolution: 10 bit 502-025, Effective: April 12, 2011 © 2011 Taco Electronic Solutions, Inc.

  • Page 11: Mechanical

    • Dimensions: 5.55” (141mm) high, 6.54” (166 mm) wide, 1.75” deep (44 mm) • ABS Weight • Controller Weight: 0.70 pounds (0.32 kilograms) • Shipping Weight: 1.0 pounds (0.46 kilograms) 502-025, Effective: April 12, 2011 © 2011 Taco Electronic Solutions, Inc.

  • Page 12: Troubleshooting

    – Green when there is network activity – Off when there is no network activity Service – Illuminated when the service pin is depressed or when a controller gets configured by the LCI. 502-025, Effective: April 12, 2011 © 2011 Taco Electronic Solutions, Inc.

  • Page 13: Troubleshooting Tips

    How do I associate my HPU2 control- Use the LHP2's grouping mechanism, specifically Members on the LHP2 HVAC Setup lers with the LHP2? screen of the LCI. Only HPU2s may be associated with the LHP2. Taco Electronic Solutions, Inc. iWorX-ALM2-APP-102 www.taco-hvac.com...
  • Page 14 1.Make sure controllers, sensors, and power supplies are connected and communicating to desired devices. 2.Record precise hardware setup indicating the following: Version numbers of application software. Device and/or firmware version number. A complete description of difficulties encountered. Notes: 502-025, Effective: April 12, 2011 © 2011 Taco Electronic Solutions, Inc.
  • Page 15 HPU2 502-025, Effective: April 12, 2011 © 2011 Taco Electronic Solutions, Inc.
  • Page 16 Taco Electronic Solutions, Inc., 1160 Cranston Street, Cranston, RI 02920 Telephone: (401) 942-8000 FAX: (401) 942-2360. Taco (Canada), Ltd., 8450 Lawson Road, Unit #3, Milton, Ontario L9T 0J8. Telephone: 905/564-9422. FAX: 905/564-9436. Taco Electronic Solutions, Inc. is a subsidiary of Taco, Inc.

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