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Document revision history 

UC Open 

CARRIER CORPORATION ©2019  

Installation and Start-up Guide 

All rights reserved 

24 

Important changes to this document are listed below. Minor changes such as typographical or formatting errors are not 

listed. 

 Date

 

Topic

 

Change description

 

Code*

 

1/2

5

/19 

Wiring devices to the UC Open's Rnet 

port 

Removed star configuration from the first paragraph. 

X-TS-TS-O 

Specifications 

Added surge CAUTION to Protection specification. 

X-TS-AK-E-CC 

10/29/18  Wiring inputs and outputs > Input 

wiring specifications and To wire inputs 

and outputs 

Removed SPT sensor from Input wiring table, added TruVu™ ET 

Display, and referred user to the device's Installation and Start-up 

Guide.  

C-D 

Wiring devices to the UC Open's Rnet 

port 

Combined overview and wiring on the zone sensors and 

touchscreen devices. Added TruVu™ ET Display. 

C-D 

Specifications 

Reworded Rnet port specification and added power supplied by 

Rnet port. 
Added first paragraph to Protection specification. 

X-H-JS-O 

2/24/17 

Changed all "WS" to "wireless". 

C-D 

1/18/17 

Wireless sensor overview 

To install the Wireless Adapter for 

Wireless sensors 

New topics 

C-D 

Wiring devices to the UC Open's Rnet 

port 

Added Wireless Adapter, wireless sensors 

C-D 

Input wiring specifications 

Added Wireless Adapter for wireless sensors 

C-D 

To wire the controller to the network 

Added BACnet ARC156 connection information. 

C-D 

Wiring for communications 

Changed from Wiring the UC Open to the MS/TP network 

C-D 

Specifications 

Added BACnet ARC156 and updated Rnet port information to 

include Wireless Adapter. 

C-D 

Cover 
What is the UC Open? 

Changed to latest controller image. 

C-D 

2/22/16 

Local access to the UC Open 

Added USB Link wiring caution. 

C-TS-RD-E-JH 

8/4/14 

Specifications 

Maximum number of BACnet third-party integration points using 

Snap - changed to unlimited, depending on memory 
Power - removed references to BACview 
Rnet port - added Equipment Touch and removed BACview 
Rnet port - added note that number of possible ZS sensors you 

can have with an Equipment Touch is 15   
Local Access port - removed BACview, added Equipment Touch  

C-D-LJ-O 

Wiring devices to the Rnet port 

Changed from "Wiring a communicating zone sensor to the UC 

Open" 
Removed BACview  

Connecting an SPT sensor 

Removed BACview and added Equipment Touch 

To wire an Equipment Touch to the UC 

Open 

New topic 

BACview devices 

Removed references and topics 

Local Access to the UC Open 

Removed BACview and added Equipment Touch 

To wire the Equipment Touch to the UC 

Open 

Added Caution to maintain polarity and use the power supply only 

for Carrier controllers 

C-TS-RD-E 

Restore factory defaults 

Added information on using the Factory Defaults jumper 

C-D-LJ-E-RD 

* For internal use only 

Document revision history 

Summary of Contents for UC Open

Page 1: ...I In ns st ta al ll la at ti io on n a an nd d S St ta ar rt t u up p G Gu ui id de e CARRIER CORPORATION 2019 A member of the United Technologies Corporation family Stock symbol UTX Catalog No 11 80...

Page 2: ...ur local Carrier office Important changes are listed in Document revision history at the end of this document CARRIER CORPORATION 2019 All rights reserved throughout the world i Vu is a registered tra...

Page 3: ...outputs 8 To wire inputs and outputs 9 Wiring devices to the UC Open s Rnet port 11 Rnet wiring specifications 11 To wire ZS sensors to the controller 11 To wire the Wireless Adapter for wireless sens...

Page 4: ......

Page 5: ...C Open controller The UC Open is a general purpose controller that provides the communications circuitry non volatile memory and removable screw terminals for I O connections Specifications Driver drv...

Page 6: ...Local Access port For system start up and troubleshooting using Field Assistant Inputs 6 inputs configurable for thermistor or dry contact 1 and 2 are also configurable for 0 5 Vdc sensors NOTE Input...

Page 7: ...in 13 cm Mounting dimensions C D E 5 1 4 in 13 3 cm 2 9 16 in 6 5 cm 3 16 in 5 cm Panel depth 2 in 51 mm Weight 0 6 lbs 0 27 kg BACnet support Conforms to the BACnet Advanced Application Controller B...

Page 8: ...port page 11 Mounting the UC Open WARNING When you handle the UC Open Do not contaminate the printed circuit board with fingerprints moisture or any foreign material Do not touch components or leads H...

Page 9: ...labeled Gnd and Hot 3 Connect the transformer wires to the screw terminal connector NOTE If using a grounded transformer connect the ungrounded lead to the Hot terminal to avoid damaging the transfor...

Page 10: ...CAUTION The factory default setting is 00 and must be changed to successfully install your UC Open Wiring for communications The UC Open communicates using BACnet on the following types of network se...

Page 11: ...nd 4 to MS TP BACnet MS TP The appropriate baud rate See the MS TP Baud diagram on the controller Off Off ARC156 BACnet ARC156 N A Baud rate will be 156 kbps regardless of the DIP switch settings Off...

Page 12: ...0 33 to 2 52 Vdc All Dry contact A 3 3 Vdc wetting voltage detects contact position resulting in a 0 3 mA maximum sense current when the contacts are closed IN 1 IN 2 0 5 Vdc The input impedance of th...

Page 13: ...hat the UC Open s power and communications connections work properly 2 Pull the screw terminal connector from the controller s power terminals labeled Gnd and Hot 3 Connect the input wiring to the scr...

Page 14: ...IN 1 or IN 2 to the type of signal the input will receive All Thermistor Dry contact Verify the IN 5 jumper is on Rnet Port ZS sensors Wireless Adapter for wireless sensors Equipment Touch TruVu ET Di...

Page 15: ...ions NOTE Use the specified type of wire and cable for maximum signal integrity Description 4 conductor shielded or unshielded CMP plenum rated cable Conductor 22 AWG 7x0096 bare copper if Rnet has on...

Page 16: ...m each wire Outer Jacket Inner insulation 25 in 6 cm 3 Wire each terminal on the sensor to the same terminal on the controller See diagram below NOTE Carrier recommends that you use the following Rnet...

Page 17: ...off the power to the controller that the Wireless Adapter will be wired to 2 Partially cut then bend and pull off the outer jacket of the Rnet cable s Do not nick the inner insulation Inner insulatio...

Page 18: ...Rnet with ZS sensors or a Wireless Adapter use the standard 4 conductor Rnet wiring and follow the wiring instructions To wire ZS sensors to the UC Open page 11 The only device on the Rnet you can use...

Page 19: ...erminal 5 Turn on the UC Open s power 6 Turn on the Equipment Touch To wire the TruVu ET Display WARNING Do not apply line voltage main 24 Vdc power only Wiring power Wire the TruVu ET Display 24V DC...

Page 20: ...ll your UC Open into an i Vu Control System Use the Help in the referenced software for detailed descriptions of these procedures EquipmentBuilder or Snap 1 Use EquipmentBuilder or Snap to create cont...

Page 21: ...gram drop down list Select the control program Not in the Control Program drop down list a Click Add New b Browse to select the control program c Click Open d Click Continue e Click Close 7 To upload...

Page 22: ...t port Temporary or permanent user interface for start up 1 Requires a USB Link Part USB L 2 See the Equipment Touch Installation and Setup Guide for detailed instructions CAUTION If multiple controll...

Page 23: ...ble but they will reset themselves if the condition that caused the fault returns to normal Rx Lights when the controller receives data from the network segment there is an Rx LED for Ports 1 and 2 Tx...

Page 24: ...ry the following solutions Turn the UC Open off then on Download memory to the UC Open Replace the UC Open NOTE If you resolve the issue but the Error LED does not turn off cycle power to the controll...

Page 25: ...ower and measure the voltage If the voltage is below 2 9 volts you need to replace the battery CAUTION Power must be ON to the UC Open when replacing the battery or your date time and trend data will...

Page 26: ...ful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference a...

Page 27: ...erm Dry Contact Upper IN 1 IN 1 GND 0 5Vdc Lower IN 2 GND Therm Dry Contact Upper IN 2 IN 2 GND 0 5Vdc Lower IN 3 GND Therm Dry Contact N A IN 3 IN 4 GND Therm Dry Contact N A IN 4 IN 5 GND Therm Dry...

Page 28: ...ter for wireless sensors C D To wire the controller to the network Added BACnet ARC156 connection information C D Wiring for communications Changed from Wiring the UC Open to the MS TP network C D Spe...

Page 29: ......

Page 30: ...CARRIER CORPORATION 2019 A member of the United Technologies Corporation family Stock symbol UTX Catalog No 11 808 464 01 1 25 2019...

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