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iWorx® HPU Series

502-025, Effective: April 17, 2013

13 

© 2013 Taco Electronic Solutions, Inc.

APPLICABLE DOCUMENTATION

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 responsibility to ensure 
that the latest version of the Document is being used. 

iWorx® products shall only be used for the applications identified in the product specifications and for no other purposes. 
For example, iWorx® products are not intended for use to support fire suppression systems, life support systems, 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.

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, inadequate 
operating environment, repair, attempted repair, modification or alteration, or other abuse. For further information, please 
refer to the last page of this Document for the company’s Limited Warranty Statement, which is also issued with the product 
or available at www.taco-hvac.com.

Notes:

Description

Audience

Purpose

iWorx® HPU2 Application 
Guide

, Document No. 505-025 

iWorx® HPU3 Application 
Guide

, Document No. 505-035 

– Application Engineers
– Wholesalers
– Contractors
– Start-up Technicians
– End user

Provides instructions for setting up and using the iWorx® 
HPU2 and HPU3.

iWorx® LHP2 Application 
Guide

, Document No. 505-024 

– Application Engineers
– Wholesalers
– Contractors
– Start-up Technicians
– End user

Provides instructions for setting up and using the iWorx® LHP 
controller.

iWorx® LCI2 Application 
Guide

, Document No. 505-002

iWorx® LCI3 Application 
Guide

, Document No. 505-050

– Application Engineers
– Installers
– Service Personnel
– Start-up Technicians
– End user

Provides instructions for setting up and using the iWorx® Local 
Control Interface.

www.iWorxWizard.com

– Application Engineers
– Wholesalers
– Contractors

An on-line configuration and submittal package generator 
based on user input. Automatically generates bill of materials, 
sequence of operations, flow diagrams, wiring diagrams, 
points and specifications.

Additional Documentation

LonWorks FTT-10A Free Topology Transceiver User’s Guide,

 published by Echelon Cor-

poration. It provides specifications and user instructions for the FTT-10A Free Topology 
Transceiver. See also: www.echelon.com/support/documentation/manuals/transceivers.

Summary of Contents for iWorx HPU2

Page 1: ...internally limited to 0 04 A TS300 Series Electrical Outputs Modulated Fan HPU3 only Analog 0 10 Vdc 2K Ohm minimum load 8 bit resolution Stage 1 Stage 2 Reversing Valve Fan Dehumidification HPU3 only...

Page 2: ...lass 2 external power source not supplied to operate The controller power input requires a voltage of 24 Volts AC To calculate power source current requirements add the power consumption of all periph...

Page 3: ...onnect the equipment to a power source different from that to which the receiver is connected Consult the equipment supplier or an experienced radio TV technician for help You are cautioned that any c...

Page 4: ...iWorx HPU Series 4 502 025 Effective April 17 2013 2013 Taco Electronic Solutions Inc...

Page 5: ...iWorx HPU Series 502 025 Effective April 17 2013 5 2013 Taco Electronic Solutions Inc...

Page 6: ...be shorted Setup Instructions 1 Press Controllers from main screen 2 Select required HPU from controller list and press appropriate controller 3 Press All Settings 4 Press Thermostat 5 The Thermostat...

Page 7: ...p Stages 9 The Comp Stages menu opens a Select number of Stages of equipment 1 or 2 b Select the stage Control Band in degrees Cannot be set to 0 c Select the Stage Time in minutes Cannot be set to 0...

Page 8: ...iWorx HPU Series 8 502 025 Effective April 17 2013 2013 Taco Electronic Solutions Inc...

Page 9: ...iWorx HPU Series 502 025 Effective April 17 2013 9 2013 Taco Electronic Solutions Inc...

Page 10: ...shorted Setup Instructions 1 Press Controllers from main screen 2 Select required HPU3 from controller list and press appropriate controller 3 Press All Settings 4 Press Dehumidification 5 The Dehumid...

Page 11: ...s 1 Press Controllers from main screen 2 Select required HPU3 from controller list and press appropriate controller 3 Press All Settings 4 Press Next 3 5 Press Mod Fan Settings 6 The Mod Fan Settings...

Page 12: ...lot relay have been pow ered with 24 VAC and the output has been correctly wired to the coil of the pilot relay Also ensure that the pilot relay has a 24 VAC coil The 10K thermistor reading is at its...

Page 13: ...ormation please refer to the last page of this Document for the company s Limited Warranty Statement which is also issued with the product or available at www taco hvac com Notes Description Audience...

Page 14: ...iWorx HPU Series 14 502 025 Effective April 17 2013 2013 Taco Electronic Solutions Inc...

Page 15: ...iWorx HPU Series 502 025 Effective April 17 2013 15 2013 Taco Electronic Solutions Inc...

Page 16: ...be covered by this warranty TES products are not intended for use to support fire suppression systems life support systems critical care applications commercial aviation nuclear facilities or any othe...

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