Taco iWorX HPU2 Installation Manual Download

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Installation Guide

502-025

HPU2 Water Source Heat Pump Controller

Self-Contained Interoperable Controller Model UCP-1

SUPERSEDES: New

EFFECTIVE: April 12, 2011

Plant ID: 001-3982

Table of Contents

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
What is Not Included with this Equipment . . . . . . . . 4
Equipment Location . . . . . . . . . . . . . . . . . . . . . . . . . 5
Selecting a Power Source . . . . . . . . . . . . . . . . . . . . 5

Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Mounting the Device. . . . . . . . . . . . . . . . . . . . . . . . .5
Routing Cabling to the Device . . . . . . . . . . . . . . . . .6
Grounding the Device. . . . . . . . . . . . . . . . . . . . . . . .7

Wiring Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Connecting Input Devices. . . . . . . . . . . . . . . . . . . . .9
Connecting Output Devices . . . . . . . . . . . . . . . . . .10
Other Connections . . . . . . . . . . . . . . . . . . . . . . . . .10

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Diagnostic LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Troubleshooting Tips . . . . . . . . . . . . . . . . . . . . . . .13

Summary of Contents for iWorX HPU2

Page 1: ...lation 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 What is Not Included with this Equipment 4 Equipment Location 5 Selecting a Power Source 5 Installation 5 Mounting the Device 5 Routing Cabling to the Device 6 Grounding the Device 7 Wiring Information 7 Connecting Input Devices 9 Conne...

Page 2: ...e for main plant synchronization Remote sensor capabilities Automatic configuration with the LCI Real Time Clock Alarm Event reporting PURPOSE OF THIS GUIDE The iWorx HPU2 Installation Guide provides installation information for the HPU2 Controller The reader should understand basic HVAC concepts intelligent environmental control automation and basic LON WORKS networking and communications This ap...

Page 3: ...nd local electrical codes Use only copper conductors Description Audience Purpose iWorx HPU2 Application Guide Document No 505 025 Application Engineers Installers Service Personnel Start up Technicians End user Provides complete instructions for setting up and using the iWorx HPU2 controller iWorx LCI2 Application Guide Doc ument No 505 002 Application Engineers Installers Service Personnel Start...

Page 4: ...energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a par ticular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to cor...

Page 5: ...o that of the controller The controller and sensor power supplies can use the same power source If both are using the same power source the loads must have EMF protection This protection can be integral to the load or installed in the 24 VAC wiring across the load s coil To provide necessary RFI and transient protection the controller s ground GND pin T40 must be connected to earth ground or the e...

Page 6: ...1 Taco Electronic Solutions Inc 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 ...

Page 7: ... the risk of electrical shock and may increase the possibility of interference with radio TV reception For best performance connect the power supply common terminal T38 to the same external point as the ground terminal T40 WIRING INFORMATION WARNING Terminals 4 and 6 are connected internally on all HPU2 controllers Disconnect ALL power sources when installing or servicing this equipment to prevent...

Page 8: ...iWorx HPU2 8 502 025 Effective April 12 2011 2011 Taco Electronic Solutions Inc Figure 3 HPU2 Wiring Example Power Sinking ...

Page 9: ...aco Electronic Solutions Inc Figure 4 HPU2 Wiring Example Power Isolated 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 ...

Page 10: ...eversing valve must be connected to a 24 VAC pilot relays if the load is greater than 1 Amp If the load is less than 1 Amp connect the reversing valve input to RV T29 and adjacent TC12 T30 Fan FAN The output for the fan must be connected to a 24 VAC pilot relay if the load is greater than 1 Amp If the load is less than 1 Amp connect the fan input to FAN T31 and adjacent TC12 T30 Other Connections ...

Page 11: ... Recommended Sensor Wire FTT 10A Network Speed 78KBPS Cabling Maximum node to node distance 1312 feet 400 meters Maximum total distance 1640 feet 500 meters For detailed specifications refer to the FTT 10A Free Topology Transceiver User s Guide published by Echelon Corpo ration www echelon com support documentation manuals transceivers Mechanical Housing Dimensions 5 55 141mm high 6 54 166 mm wide...

Page 12: ...ion problems The following table lists the functions of the controller s LEDs in the order they appear from left to right on the unit LED Indication Status Solid green when running and configured by an LCI networking Flashing green when running and NOT configured by an LCI stand alone Solid red when a fault condition exists control shut down Blinking Red the controller has a device failure Solid A...

Page 13: ...he controller and output pilot relay have been powered 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 maximum or minimum The input is either shorted or open The Heat or Cool outputs will not come on even though the space requires conditioned air Is there water flow in the sys...

Page 14: ...e following Version numbers of application software Device and or firmware version number A complete description of difficulties encountered Notes What is Save for in the Members screen and when do I press it This button stores network information into the LHP2 about the controllers in its group Press this button when you have made any changes to the grouping What iWorX controllers can be part of ...

Page 15: ...iWorx HPU2 502 025 Effective April 12 2011 15 2011 Taco Electronic Solutions Inc ...

Page 16: ...covered by this warranty TES products are not intended for use to sup port fire suppression systems life support sys tems critical care applications commercial aviation nuclear facilities or any other applica tions where product failure could lead to injury to person loss of life or catastrophic property damage and should not be sold for such pur poses If in doubt as to whether a particular produc...

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