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Introduction 

 

 

 

 

 

UC Open 

 

CARRIER CORPORATION ©2019   

Installation and Start-up Guide 

 

All rights reserved 

 

 

Maximum number of third-

party integration points 

using Snap*† 

10 

* Depends on available memory 

† BACnet third-party integration points are not counted. 
Power 

24 Vac ±10%, 50–60 Hz 

20 VA power consumption 

26 Vdc (25 V min, 30 V max) 

Single Class 2 source only, 100 VA or less 

BACnet Port 

For communication with the controller network using BACnet ARC156 (156 

kbps) or BACnet MS/TP (9600 bps – 76.8 kbps) 

Rnet port 

 

Supports up to 15 wireless and/or ZS sensors, and one Equipment Touch or 

TruVu™ ET Display 

 

Supplies 12 Vdc/210 mA power to the Rnet at an ambient temperature of 

77°F (25°C) with a 24 Vac nominal power source.  

NOTE  Ambient temperature and power source fluctuations may reduce the 

power supplied by the Rnet port. 

NOTE  

If the total power required by the sensors on the Rnet exceeds the power 

supplied by the Rnet port, use an external power source. The Wireless Adapter, 

Equipment Touch, or TruVu™ ET Display must be powered by an external power 

source. See the specifications in each device's Installation and Start-up Guide to 

determine the power required. 

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 5 has a maximum temperature of 140°F (60°C). 

Input resolution 

10 bit A/D 

Binary outputs 

5 binary outputs, dry relay contacts rated at 1 A max. @ 24 Vac/Vdc, configured 

normally open 

Output resolution 

10 bit D/A 

Real time clock 

Battery-backed real time clock keeps track of time in the event of a power failure 

Battery 

10-year Lithium CR2032 battery retains the following data for a maximum of 

10,000 hours during power outages:  control programs, editable properties, 

schedules, and trends. 

Protection 

Built-in surge and transient protection for power and communications in 

compliance with EN61000-6-1. 
Incoming power and network connections are protected by non-replaceable 

internal solid-state polyswitches that reset themselves when the condition that 

causes a fault returns to normal.  

The power, network, input, and output connections are also protected against 

transient excess voltage/surge events lasting no more than 10 msec. 

 CAUTION

  To protect against large electrical surges on serial EIA-485 

networks, place a PROT485 at each place wire enters or exits the building. 

Status indicators 

LEDs indicate status of communications, running, errors, and power.  

Содержание UC Open

Страница 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...

Страница 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...

Страница 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...

Страница 4: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 29: ......

Страница 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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