Carrier System Touch Assembly instructions

Installation and
CARRIER CORPORATION @2015
A member of the United Technologies Corporation family- Stock symbol UTX- Catalog No. 11-808-525-01- 5/7/2015

_ Verify that you have the most current version of this document from www.hvacpartners.com or your local Carrier
office.
Important changes are listed in Document revision history at the end of this document.
CARRIER CORPORATION © 2015. All rights reserved throughout the world, i-Vu is a registered trademark of Carrier
Corporation. BACnet is a registered trademark of ASHRAE. All other trademarks are the property of their respective
owners.

Contents
What is the System Touch? ........................................................................................................................................ 1
Specifications ........................................................................................................................................................ 2
System Touch screens ......................................................................................................................................... 3
Wiring and mounting the System Touch ................................................................................................................... 9
Wiring specifications ............................................................................................................................................ 9
To wire and mount the System Touch ............................................................................................................ 10
Setting up the system ............................................................................................................................................... 12
Step 1: Set up communications ..................................................................................................................... 12
Step 2: Discover controllers ............................................................................................................................ 13
Step 3: Create the system database ............................................................................................................. 14
Step 4: Optional - Install custom screen file ................................................................................................ 15
Step 5: Set up scheduling functionality ........................................................................................................ 15
Step 6: Optional - Adjust touchscreen settings ............................................................................................ 16
Using System Touch's temperature and humidity sensors to control equipment ............................................... 17
To edit touchscreen settings ..................................................................................................................................... 18
To update the System Touch's firmware ................................................................................................................. 20
Resetting the System Touch ..................................................................................................................................... 21
Compliance ................................................................................................................................................................ 22
FCC Compliance ................................................................................................................................................. 22
CE Compliance ................................................................................................................................................... 22
Appendix: External sensor resistance requirements ............................................................................................ 23
Document revision history ........................................................................................................................................ 24

The System Touch is a touchscreen device with a 4.3 in. color LCD display that acts as a front-end interface to
controllers on a BACnet network.
To screens
specific
to the
controller
To Home screen
To previous screen
To Alarm Manager screen
To system To screens To setup screens
atarms for scheduling for the system or
the equipment touchscreen
The System Touch has built-in temperature and humidity sensors. You can use their values to control equipment.
You can also wire an external thermistor to the System Touch and use its value instead of the built-in temperature
sensor's value.
You can install and run the System Touch with only its built-in system screens, or you can create a custom
touchscreen file in ViewBuilder. This requires that you create custom screens in ViewBuilder, and then save the
touchscreen (.touch) file. See "Working with System Touch screens" in ViewBuilder Help.
NOTE To use custom screens, the System Touch must have v2.00-015 or later firmware.
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WhatistheSystemTouch?
To set up a System Touch:
1Connect the System Touch to an MS/TP network (page 9).
2Discover BACnet devices on the same network or on a different BACnet ARCnet or BACnet MS/TP network
(page 12).
3Create the system database (page 12).
4Install custom screen file (optional) (page 12).
After you set up your system, you can:
• Schedule when equipment should run
• View alarms
• View Equipment Touch screens for individual controllers on the network. The information on the controller
screens depends on whether the controller is a Carrier controller or a third-party controller, and if it is an
Carrier controller, whether it has an Equipment Touch file.
NOTE To see a controller's Equipment Touch screens on the System Touch, the Equipment Touch file must
be downloaded to the controller before you create the System Touch database.
Specifications
Power 24 Vac (+15%), 5 VA, 50-60 Hz, Class 2.
Display 4.3 in. resistive touchscreen color LCD display with backlighting (Wide Quarter VGA,
480x272 pixels)
Enclosure ABS plastic with polycarbonate bezel
Ports • EIA-485 based serial port for BACnet MS/TP communication
• USB host port
Microcontroller 32-bit
Memory • 16 MB Flash memory to store program code and screen file.
• 1.5 MB RAM to store variable data and LCD data.
• 4 KB Serial EEPROM to store non-volatile configuration data.
Real-time clock A365-day real time clock/calendar chip. The time and date will be maintained for a
minimum of 72 hours after loss of power (at room temperature).
Audible alarm A piezoelectric sounder
notification
Temperature sensor Range: -4.0°Fto 140°F (-20°C to 60°C)
Accuracy over 30.O°Fto 100° F: +I.0°F (+0.55°C)
Accuracy over full range: +2.0° F (+1.1 ° C)
Resolution: 0.2 oF (0.1 oC)
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WhatistheSystemTouch?
Humidity sensor Range: 0 to 100% RH
Accuracy over 20 to 80% RH: +3.0% RH
Accuracy over full range: +5.0% RH
Resolution: 0.05% RH
Environmental -4°F to 140°F (-20°C to 60°C), 10-90% RH, non-condensing
operating range
Mounting Wall or panel mounting within the building interior.
Overall dimensions Width: 5.44 in. (13.82 cm)
Height: 4.55 in. (11.56 cm)
Depth: 1.24 in. (3.15 cm)
Backplate dimensions Width: 4.79 in. (12.2 cm)
Height: 3.94 in. (10 cm)
Weight 8 oz. (0.23 kg)
Listed by UL-916 (PAZX), CE, FCC Part 15-Subpart B-Class A
Device identification The System Touch's box contains a label with the product name and the serial number
that begins with STO.
Remove the front of the System Touch and turn it over to see the serial number on a
label attached to the control board.
System Touch screens
The System Touch will display the system screens shown below and any custom-designed screens.
NOTE To use custom screens, the System Touch must have v2.00-015 or later firmware. Go to Touchscreen
Setup >About to see the firmware version number.
Screen name Description
Standby If included in the touchscreen file, this custom screen displays when the System Touch has
had no user activity for the time specified on the Inactivity Timeout screen. This Standby
screen is not interactive, and as soon as the user touches the screen, the Home screen
displays. If the touchscreen file does not include a Standby screen, the Home screen
displays after a period of inactivity.
NOTE You can show a device's Home and Standby screens instead of the System Touch's
Home and Standby screens. See instructions for Home Screen Setup in To edit
touchscreen settings (page $8).
Home A custom screen for the System Touch.
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WhatistheSystemTouch?
Screen name Description
System View
The Home screen that shows each controller in the system, and, for Carrier controllers, the
zone temperature and zone color. From this screen, you can view alarms or set up
schedules. A user with an administrator-level password can edit the system or edit
touchscreen settings. This screen displays when the System Touch has had no user activity
for a period of time specified on the Touchscreen Setup > Inactivity Timeout screen (page
18).
Login
Displays if you select a screen that requires an administrator-level password. If you have an
administrator-level password, enter it, then touch Done.
NOTES
• The default password for a new System Touch is admin.
• You can change the password on the Touchscreen Setup > Passwords screen (page
18).
• You log out on the Setup screen.
• If you try to go to a screen for a particular controller and you are prompted to log in, the
Equipment Touch screen for that controller requires a different password.
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WhatistheSystemTouch?
Screen name Description
Alarm
Manager
Alarm Detail
Lets you view all alarms in the system. See "Viewing alarms" in the System Touch User
Guide.
Shows details of a single alarm. See "Viewing alarms" in the System Touch User Guide.
Schedule Groups
Lets you create groups of equipment so that you can set up a common operating schedule
for each group. From this screen, you can also edit or delete existing schedule groups. See
"Setting up schedules" in the System Touch User Guide.
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WhatistheSystemTouch?
Screen name Description
Create Schedule
Group
Lets you create a group and assign equipment to it. See "Setting up schedules" in the
System Touch User Guide.
Schedules
Setup
Lets you view, add, edit, or delete BACnet schedules in the controller. See "Setting up
schedules" in the System Touch User Guide.
Touch a button to go to the Communications, Discovery, Viewfile, or Touchscreen Setup
screen, or to log out.
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WhatistheSystemTouch?
Screen name Description
Communications
Discovery
Lets you define network communications for the System Touch. You also define the
network that you want the System Touch to scan during discovery. See Setting up the
system (page 12).
Lets you discover controllers on the network so that you can create the system database.
See Setting up the system (page 12).
Set Range
Lets you set a range (0-255) of MAC addresses to be discovered. See Setting up the
system (page 12).
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WhatistheSystemTouch?
Screen name Description
Discovery
after discovering
controllers
Lets you rename discovered controller, select the controllers that you want to include in the
system, and then create the system database. See Setting up the system (page 12).
TouchscreenSetup
Lets you edit the touchscreen settings (page 18).
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WiringandmountingtheSystemTouch
CAUTION If the equipment is used in a manner not specified by the manufacturer, the protection provided
by the equipment may be impaired.
Mounting
The Equipment must be mounted within the building interior. You can mount the System Touch:
• In a panel or on the panel door
• On a wall
Wiring
• The System Touch is wired to an MS/TP network and a 24 Vac power supply.
• You can also wire an external 10 kOhm, Type II thermistor (Carrier part number 33ZCT57SPT) to the System
Touch. See Appendix: External sensor resistance requirements (page 23).
Power
Supply Panel
System
Touch
con;nector
I®®÷®®÷
.s,,Tp l ,E. omo,
wiring I I ...... therralstor
Net+ (white) _ _ POWer wirin_
Net_iblack) '24V + (r_)
_GND (9¢ee_)
Wiring specifications
P0werwiring
2-conductor wire 18 AWG for distances up to 100 feet. All transformer secondaries must be grounded. Wiring
connections must be in accordance with NEC and local codes.
MS/TP networkwiring
22 AWG, low-capacitance, twisted, stranded, shielded copper wire.
Maximum network length: 2000 feet (610 meters)
See MS/TP Networking and Wiring Installation Guide for more information.
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WiringandmountingtheSystemTouch
To wire and mount the System Touch
1 Remove the backplate from the System Touch:
a) Hold the System Touch as shown in the picture below.
b) While firmly pressing the 2 tabs on top of the System Touch, pull on the backplate with your index finger
until the backplate releases from the System Touch.
2 Pull the communication cable, the power cable, and external thermistor wiring (if applicable) through the
large hole in the center of the backplate. See figure in step 5.
3 Partially cut, then bend and pull off the outer jacket of the cable(s). Do not nick the individual wire insulation.
4 If wiring I cable to the System Touch, cut the shield wire off at the outer jacket, then wrap the cable with tape
at the outer jacket to cover the end of the shield wire.
If wiring 2 cables in a daisy-chain configuration, twist together the shield wires, then wrap the shield wires
with tape.
5 Strip about 0.25 inch (0.6 cm) insulation from the end of each wire.
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WiringandmountingtheSystemTouch
6 Connect wiring to the System Touch as shown below:
D
External thermistor
wiring
Power cable
MSiTP cabie
D
_CAUTION Allow no more than 0.06 inch (1.5 mm) bare communication wire to protrude. If bare
communication wire contacts the cable's foil shield, shield wire, or a metal surface other than the terminal
block, the device may not communicate correctly.
0_06 in,
(1,5 mm)
Correct
Correct
Incorrect
Into rrect
7 Attach the backplate to the wall or panel. If mounting in or on a panel:
a) Drill two 3/16 inch (4.8 mm) pilot holes in the panel.
b) Attach backplate using pan head 6-32 x 3/8" to I/2" long machine screws. Do not overtighten screws to
prevent damage to plastic housing.
RECOMMENDATION Use Loctite 220 on screw threads if the System Touch will be subject to vibration.
8 Attach the System Touch to the backplate:
a) Place the bottom of the System Touch onto the backplate by aligning the 2 slots on the System Touch
with the tabs on the backplate.
b) Push the System Touch onto the backplate until the tabs at the top of the System Touch snap onto the
backplate.
9Connect power wiring to a 24 Vac power supply.
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Settingupthesystem
Step 1: Set up communications
1Onthe System View (home) screen, touch Setup >Communications.
2In the left column, select the baud rate of the MS/TP network that the System Touch is on.
3Use the following information to set the 3 fields on the right.
Field Description
My Device Instance The System Touch's BACnet Device Instance. This number must be unique
on the MS/TP network. Leave this at the default (160099) unless there is
another System Touch or other device on the network with this number.
My Address The System Touch's address. This number must be unique on the MS/TP
network. Leave this at the default (127) unless there is another System
Touch or other device on the network with this address.
Destination Network The network number of the BACnet ARCnet or BACnet MS/TP network that
the System Touch will discover controllers on. To discover controllers on the
System Touch's own MS/TP network, this field must be set to O.
NOTE The System Touch cannot discover controllers on a BACnet IP
network.
_CAUTION The System Touch's Device Instance number is added to each controller's alarm recipients
list when you create the system database. If you change My Device Instance after you create the database,
you must rediscover the controllers to have the System Touch receive alarms from controllers.
4Touch Save.
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Settingupthesystem
Step 2: Discover controllers
In the previous step, you defined the network that the System Touch will discover devices on. To discover
controllers:
1 On the Setup screen, touch Discovery >Set Range.
2System Touch can scan the network for all MAC addresses (0 to 255), or you can define a smaller range of
addresses to search for. Touch each field on the Set Range screen, and then enter an address.
3Touch Save.
4Onthe Discoveryscreen, touch Discover.When discovery is complete, the screen lists every BACnet
controller that was found on the network.
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Settingupthesystem
Step 3: Create the system database
The discovery process finds every BACnet controller on the network, but you may not want to include them all in
the system you are creating. Carrier recommends that you have no more than 32 devices in your system.
1 Touch each controller that you want to include in the system and change its name to something that will be
meaningful to a user (maximum 21 characters). For example, if the first controller on the screen controls the
lobby, change the name to "Lobby".
2Select the controllers that you want to include in the system by touching individual boxes on the left side of
the screen or by touching Select All.
3Touch Create DB (database). The System View screen shows your new system.
NOTE Clear DB deletes the system (controllers, alarms, and schedule groups) and returns the System Touch to its
initial state.
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Settingupthesystem
Step 4: Optional -Install custom screen file
PREREQUISITES
• The System Touch must have v2.00-015 or later firmware to display custom screens.
You need a USB flash drive that is formatted as FAT, FAT16, or FAT32. To verify, insert the flash drive into
your computer, then right-click the flash drive in Windows Explorer and select Properties. File system should
show FATxx. If File system shows NTFS or anything else, you must reformat the drive. Right-click the flash
drive, then select Format. In the File system field, select FAT (Default), then click Start.
Before you install your custom screen file, make sure that the creator of the file included navigation from the
custom screens to the system screens.
Follow the steps below in order. If you select Viewfile (step 3) on the display before you insert the USB drive
(step 2), the touchscreen will become inoperable.
To install the custom screen file:
1 Create a folder on the flash drive called Touch, then put the xxxxxx.stv file in the folder.
2 From the System Touch's Home screen, touch Setup > Viewfile.
3Plug the flash drive into the System Touch's USB port.
4 Touch OK. The following series of messages appear:
Verifying Firmware Image.
Loading View file.
5When the Home screen displays, remove the flash drive.
NOTE To remove the .stv file from the System Touch so that it returns to its original state with only built-in
screens, follow the procedure above except remove all files from the Touch folder mentioned in step 1.
Step 5: Set up scheduling functionality
You can define BACnet schedules for any controller whose control program(s) support time schedules.
To allow a user to create schedules on the Equipment Touch:
1 In the i-Vu® or Field Assistant tree, right-click the controller, and then select Driver Properties.
2On the Settings tab, scroll down to TouchScreen Control and verify that TouchScreen Schedule Edit Enable is
checked.
_CAUTION If scheduling for this system will be done in the i-Vu® interface, you should disable scheduling in
the System Touch so that they do not overwrite each other's schedules. To disable scheduling, uncheck the
TouchScreen Schedule Edit Enable field on the controller's Driver page.
See "To create a schedule for a group of equipment" in the System Touch User Guide.
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Settingupthesystem
Step 6: Optional -Adjust touchscreen settings
See To edit touchscreen settings (page 18) to adjust the following settings:
• To show a particular device's Home and Standby screens instead of the System Touch's Home and Standby
screens. For example, you may want the System Touch to show the conditions of the room where it is
mounted instead of the entire system.
• The time of inactivity before the System Touch returns to the Home screen
• The location, units, and offset of temperature and humidity sensor values
• Whether the System Touch makes a sound when you touch the screen
• Whether the System Touch makes a warning sound when it receives an alarm
• The language used for System Touch screens
The User or Admin password, if allowed
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UsingSystemTouch'stemperatureandhumiditysensorstocontrolequipment
To set up the sensorson the SystemTouch
Go to Setup >Touchscreen Setup >Sensor Setup.
On this screen, you can:
•Select the temperature sensor-You can use values from the System Touch's internal temperature sensor.
Or, you can wire an external (remote) thermistor to the System Touch and use its temperature value instead
of the internal temperature sensor's value.
•Select temperature units--The sensor's temperature can be requested by a controller's control program.
Select whether the temperature is to be returned as Deg F or Deg C.
•Set an offset--Enter a correct temperature/humidity value to create an offset for all future values.
To use the temperature or humidity value in acontrol program
1 In Snap, place an Analog Network Input microblock in your control program.
2 In the microblock's Address field, enter bacnet ://160099/ and then one of the following:
Use... For...
Ahl Internal ° F temperature value
Ah2 Remote ° F temperature value
Ah4 Humidity value
Ah5 Internal °C temperature value
Ah6 Remote °C temperature value
For example, bacnet://160099/Ah2
NOTE 160099 in the above address is the System Touch's Device Instance number. If you change this
number on the Communications screen, use the new number in your microblock's Address field.
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