iWorX LCI3 User manual

© 2013 Taco Electronic Solutions, Inc. 1
Installation Guide 502-050
LCI3 Local Control Interface
Including LCI2 version 2
SUPERSEDES: New EFFECTIVE: January 3, 2014
Plant ID: 001-3998
Table of Contents
LCI3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Applicable Documentation . . . . . . . . . . . . . . . . . . . . 3
Typical Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Representations and Warranties . . . . . . . . . . . . . . . . . 3
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Static Electricity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
FCC Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Before Installing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
About this Document . . . . . . . . . . . . . . . . . . . . . . . . 5
Inspecting the Equipment . . . . . . . . . . . . . . . . . . . . 5
What is Not Included with this Equipment . . . . . . . . 5
Equipment Location . . . . . . . . . . . . . . . . . . . . . . . . . 5
Selecting a Power Source . . . . . . . . . . . . . . . . . . . . 5
Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Mounting the Device. . . . . . . . . . . . . . . . . . . . . . . . .5
Device Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Ethernet (LAN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Network (LON) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Grounding the Device. . . . . . . . . . . . . . . . . . . . . . . .8
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Troubleshooting Tips. . . . . . . . . . . . . . . . . . . . . . . . . . . 9

iWorx® LCI3
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© 2013 Taco Electronic Solutions, Inc.
LCI3
The LCI3 (LCI3) is the master controller for the iWorx® product series. In one single device, it provides an integrated
control center for all the HVAC controls, radiant controls, and metering on a network. It has a touch screen for on site
configuration and can be remotely accessed and configured over the Internet as well.
OVERVIEW
The LCI3 is a backlit LCD touch screen interface and system configuration tool used to communicate with controllers
over a LONWORKS ® network. All controllers can be completely configured and commissioned through the operator
interface.
The LCI3 fully integrates the HVAC iWorx® system. The LCI3 enables an administrator to add and configure devices
on the iWorx® system and then send the information to the devices over the LONWORKS network. The entire iWorx®
system can be commissioned and modified using the LCI3.
The LCI3 software runs within a Windows CE.net operating system and is fully upgradable.
Features
• Color touch screen interface for navigation and input
• Self-configuring upon connection to the network
• Configurable user interface options
• View and configure up to 63 controllers
• Administrator and user level access
• Password protection
• Ethernet communications for remote access
• User configuration data is stored in non-volatile memory (Flash)
• Two-part connectors to facilitate installation
• Trending
• Data logging
• Database maintenance

iWorx® LCI3
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© 2013 Taco Electronic Solutions, Inc.
Applicable Documentation
Description Audience Purpose
iWorx® LCI3 Application Guide,
Document No. 505-050
– Application Engineers
– Installers
– Service Personnel
– Start-up Technicians
– End user
Provides complete instructions for setting up and
using the iWorx® Local Control Interface.
iWorx® LCI3 Quick Start Guide,
Document No. 505-050a
– Application Engineers
– Installers
– Service Personnel
– Start-up Technicians
– End user
Provides brief, basic instructions for setting up and
using the iWorx® Local Control Interface.
http://www.iWorxWizard.com – Application Engineers
– Wholesalers
– Contractors
An on-line configuration and submittal package gen-
erator based on user input. Automatically generates
bill of materials, sequence of operations, flow dia-
grams, wiring diagrams, points and specifications.
Additional Documentation LonWorks FTT-10A Free Topology Transceiver User’s Guide, published by Echelon Corpora-
tion. It provides specifications and user instructions for the FTT-10A Free Topology Trans-
ceiver. See also: www.echelon.com/support/documentation/manuals/transceivers.
Typical Use
BZU2
BLMC
DXU4
ZXU1
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.
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.

iWorx® LCI3
4 502-050, Effective: January 3, 2014
© 2013 Taco Electronic Solutions, Inc.
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
with the product or available at www.taco-hvac.com.
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.
Make all wiring connections in accordance with these instructions and in accordance with pertinent national and local
electrical codes.
Static Electricity
Static charges produce voltages that can damage this equipment. Follow these static electricity precautions when han-
dling this equipment.
• Work in a static free area.
• Touch a known, securely grounded object to discharge any static charge you may have accumulated.
• Use a wrist strap when handling printed circuit boards. The wrist strap must be secured to earth ground.
Location
Avoid locations where corrosive fumes, excessive moisture, vibration or explosive vapors are present.
Avoid electrical noise interference. Do not install near large contactors, electrical machinery, or welding equipment.
This equipment is intended for indoor use only. Operate where ambient temperatures do not exceed 113 °F (45 °C) or
fall below 32 °F (0 °C) and relative humidity does not exceed 80%, non-condensing.
FCC Compliance
This equipment has been tested and found to comply with Part 15 of the FCC rules. These limits are designed to pro-
vide reasonable protection against harmful interference. This equipment can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference to radio communications. How-
ever, there is no guarantee that interference will not occur in a particular 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 correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect 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 changes or modifications to this equipment not expressly approved in these instructions
could void your authority to operate this equipment in the United States.

iWorx® LCI3
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© 2013 Taco Electronic Solutions, Inc.
BEFORE INSTALLING
About this Document
The instructions in this document are for the LCI3 module which provides interfacing and scheduling of iWorx® HVAC
controllers.
Inspecting the Equipment
Inspect the shipping carton for damage. If damaged, notify the carrier immediately. Inspect the equipment for damage.
Return damaged equipment to the supplier.
What is Not Included with this Equipment
• A power source for the equipment electronics and peripheral devices.
• Tools necessary to install, troubleshoot and service the equipment.
• The screws needed to mount the device.
• Peripheral devices, such as sensors, actuators, etc.
• Cabling, cabling raceway, and fittings necessary to connect this equipment to the power source, FTT-10A network
and peripheral devices.
Equipment Location
Abide by all warnings regarding equipment location provided earlier in this document.
The equipment should be installed in a secure area like an office or lockable closet.
The LCI3 should be mounted where all operators can easily access it and should not under any circumstances be
mounted outside. The LCI3 should not be mounted where it is subjected to excessive heat, moisture, corrosive or haz-
ardous materials. To ensure that operators of all sizes can easily access the LCI3, mounting should be approximately 4
feet (1.2 meters) from the floor. Note that product mounting may be subject to local and national persons with disabili-
ties acts.
Selecting a Power Source
This equipment requires a UL recognized external Class 2 power source (not supplied) to operate. The LCI3 power
input requires a voltage of 28 to 36 volts DC or 24 volts AC.
INSTALLATION
Warning: Electrical shock hazard. To prevent electrical shock or equipment damage, disconnect ALL
power sources to controllers and loads before installing or servicing this equipment or modifying any wir-
ing.
Mounting the Device
The LCI3 can be either 3-point mounted (on a wall) or 4-point mounted (on a panel).
The 3-point method uses M4, 5, 6 or No. 10 or 12 screws. A ramped keyhole slot in the top back center of the unit slips
over a screw head and as the unit is lowered the unit clamps onto the wall creating a seal around the rear aperture.
Then, the two lower fixing holes can be used to spot their fixing positions.

iWorx® LCI3
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© 2013 Taco Electronic Solutions, Inc.
The 4-point method uses 4 off M4 x 16 mm screws with a maximum panel thickness of 10 mm.
Figure 1: Mounting
DEVICE CONNECTIONS
The LCI3 functions as part of a LONWORKS Network using the integral FTT-10 Free Topology communications trans-
ceiver. Connections are on the bottom of the LCI3.
Power
The LCI3 requires class 2 power supply: 24 Vac, 50/60 Hz, or 28 to 36 Vdc. The maximum consumption is 13 VA. Use
a separate power source—do not use a controller’s auxiliary supply output.
NOTE You must ground the LCI3 using a supply earth terminal.

iWorx® LCI3
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Figure 2: Power
Class 2
Figure 3: Routing cables
Ethernet (LAN)
The LCI3 uses a standard RJ-45 jack for connection to 10BaseT or 100Base TX (10/100Mb) Ethernet. Plug the LAN
connector into the RJ-45 receptacle on the bottom of the LCI3.

iWorx® LCI3
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Network (LON)
The LCI3 requires twisted pair network wire. When connecting the FTT-10A network to connector, connect the twisted
pair to pins NB and NA. These positions are Network B and Network A respectively. Polarity is not an issue since an
FTT-10A network is used for communications.
Figure 4: Simple architecture
BZU3
BZU3
DXU4
ZXU1
Grounding the Device
The COM pin must be securely connected to earth ground. Failure to properly ground this equipment may
increase the risk of electrical shock and may increase the possibility of interference to radio/TV reception.
Connecting the device common to earth ground will also connect the power source to earth ground.
SPECIFICATIONS
Electrical
Power
Power Requirements
• 28 to 36 Vdc, or 24 Vac +/- 10%, 50 to 60 Hz (requires a class 2 external supply)
Power Consumption
• 13 VA
Fusing
• Input supply is protected by a 1.6 A self-resetting electronic circuit breaker.
Battery
• 3V Lithium for SRAM Backup
Display
• 256 color LCD display (320 x 240 pixels) with touch screen and digital contrast.
Backlight
• Electroluminescent (CCFL) with auto-dimming feature. Life of 50 Khrs at 20 °C (68 °F).
Ethernet
• One RJ45 connector, unshielded or shielded twisted pair (UTP or FTP) cable.
FTT-10A Network
• Speed: 78KBPS

iWorx® LCI3
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• 42.4 Volts DC max
• 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: 8.94” (227mm) x 8.58” (218mm) x 2.36” (60mm).
• Weight: 1lb 5 oz. (.6 kg)
• ABS
Environmental
• Temperature: 32 to 113 degrees F (0 to 45 degrees C)
• Humidity: 0 to 80 percent, non-condensing
Agency Listings
• UL Listed for US and Canada, Energy Management Equipment PAZX and PAZX7
Agency Compliances
• FCC Part 15
TROUBLESHOOTING TIPS
This section provides common problems and remedies for the controller.
Cable Type Pairs Details Taco Catalog No.
Level 4 22AWG (0.65mm) 1 Unshielded, Plenum, U.L. Type CMP WIR-022
Problem Solution
Nothing appears on the LCI3 screen
once it is powered up.
This is most likely related to the input power for the LCI3, ensure the fol-
lowing. A blue LED should be visible on the front of the unit, indicating
that the power is on.
– Is the power source turned on?
– Is the LCI3 powered using 12-24 VDC or 24 VAC?
– Is the power connected to the correct pins?
– Is the contrast adjusted?
I can’t log on to the LCI3, is there a
default password?
The LCI3 has two (2) default passwords, one for the user and one for the
administrator. The default user password is LCI3user and the default
administrator password is LCI3. To reset the password, please read the
Restore LCI3 factory defaults section. Be aware that ALL custom set-
tings such as IP Address will also be reset.
I can’t log on to the LCI2, is there a
default password?
The LCI2 has two (2) default passwords, one for the user and one for the
administrator. The default user password is LCI2user and the default
administrator password is LCI2. To reset the password, please read the
Restore LCI3 factory defaults section. Be aware that ALL custom set-
tings such as IP Address will also be reset.
I can’t communicate to any controllers
on the network.
– Ensure that the communications cable is connected to the FTT-10A
connector pins NA & NB.
– Were the service pins on the controllers depressed after the network
was configured?
– Is the FTT-10A Network Resistor Termination Configuration Jumper
set properly?

iWorx® LCI3
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Getting Help
Components within an iWorx® controller, sensor, or power supply cannot be field repaired. If there is a problem with a
unit, follow the steps below before contacting your local TES representative or TES technical service.
1.Make sure controllers, sensors, and power supplies are connected and communicating.
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:
I am not receiving service pings at the
LCI3.
– Ensure that the communications cable is connected to the FTT-10A
connector pins NA & NB.
– Were the service pins on the controllers depressed after the network
was configured?
– Is the FTT-10A Network Resistor Termination Configuration Jumper
set properly?
After powering down the LCI3, the
database has been cleared.
Check the battery voltage and ensure that it is above 2.7 VDC.
The screen seems too sensitive to my
touch or is not sensitive enough for
my touch.
From the main menu you need to select the Utilities: LCI Setup menu
and configure the touch screen. When reconfiguring the screen you need
to apply the pressure that you would normally use when using the LCI3.
Problem Solution