Carrier UC Open Installation manual

-u

A member of the United Technologies Corporation family · Stock symbol UTX · Catalog No. 11-808-464-01 · 1/25/2019

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Important changes are listed in

Document revision history

at the end of this document.

Corporation. All other trademarks are the property of their respective owners.

Contents

Introduction.................................................................................................................................................................. 1

What is the UC Open controller? ........................................................................................................................1

Specifications ........................................................................................................................................................1

Safety considerations...........................................................................................................................................3

Installing the UC Open................................................................................................................................................. 4

Mounting the UC Open .........................................................................................................................................4

Wiring the UC Open for power ............................................................................................................................5

To wire for power................................................................................................................................... 5

Addressing the UC Open ......................................................................................................................................5

Wiring for communications.................................................................................................................................6

Wiring specifications for BACnet MS/TP and ARC156........................................................................ 6

To wire the controller to the BACnet network ...................................................................................... 7

Wiring inputs and outputs ...................................................................................................................................7

Input wiring specifications .................................................................................................................... 8

Inputs ..................................................................................................................................................... 8

Binary 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 sensors............................................................................12

To wire an Equipment Touch to the UC Open....................................................................................14

To wire the TruVu™ ET Display ...........................................................................................................15

Installing the UC Open into the i-Vu® application ........................................................................................ 16

Local access to the UC Open ....................................................................................................................................18

Troubleshooting .........................................................................................................................................................19

LED's .................................................................................................................................................................... 19

Serial number..................................................................................................................................................... 20

To restore defaults............................................................................................................................................. 20

To replace the UC Open's battery.................................................................................................................... 21

Compliance ................................................................................................................................................................22

FCC Compliance................................................................................................................................................. 22

CE Compliance ................................................................................................................................................... 22

BACnet Compliance........................................................................................................................................... 22

Appendix A: UC Open wire lists.................................................................................................................................23

UC Open wire list................................................................................................................................................ 23

Document revision history ........................................................................................................................................24

What is the UC 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_ucopen_std

Maximum number of control

programs*

Maximum number of

BACnet objects*

1050

Introduction

Maximum number of third-

party integration points

using Snap*†

* 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.

Introduction

Environmental operating

range

0 to 130°F (-18 to 54°C), 0 to 90% relative humidity, non-condensing

Storage temperature range -24 to 140°F (-30 to 60°C), 0 to 90% relative humidity, non-condensing

Physical Rugged GE C2950HF Cycoloy plastic

Overall dimensions A:

5-5/8 in. (14.3 cm)

5-1/8 in. (13 cm)

Mounting dimensions C:

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-AAC) Standard

Device Profile as defined in ANSI/ASHRAE Standard 135-2012 (BACnet) Annex

L, Protocol Revision 9

Listed by UL-916 (PAZX), cUL-916 (PAZX7), FCC Part 15-Subpart B-Class A, CE

Safety considerations

WARNING

Disconnect electrical power to the UC Open before wiring it. Failure to follow this warning could

cause electrical shock, personal injury, or damage to the controller.

Installing the UC Open

1 Mount the controller. (page 4)

2 Wire the controller for power. (page 5)

3 Set the controller's address. (page 5)

4 Wire the controller to the BACnet MS/TP or BACnet ARC156 network (page 6).

5 Wire inputs and outputs (page 7).

6 Wire devices to the controller's Rnet 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.

•Handle the board by its edges.

•Isolate from high voltage or electrostatic discharge.

•Ensure that you are properly grounded.

Screw the UC Open into an enclosed panel using the mounting slots on the coverplate. Leave about 2 in. (5 cm)

on each side of the controller for wiring. Mounting hole dimensions 5 1/4" (13.3 cm) between mounting slot

center lines.

Installing the UC Open

Wiring the UC Open for power

WARNING

Do not apply line voltage (mains voltage) to the controller's ports and terminals.

CAUTIONS

•The UC Open is powered by a Class 2 power source. Take appropriate isolation measures when mounting it in

a control panel where non-Class 2 circuits are present.

•Carrier controllers can share a power supply as long as you:

•Maintain the same polarity.

•Use the power supply only for Carrier controllers.

To wire for power

1 Remove power from the power supply.

2 Pull the screw terminal connector from the controller's power terminals 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 transformer.

4 Apply power to the power supply.

5 Measure the voltage at the UC Open’s power input terminals to verify that the voltage is within the operating

range of 21.6–26.4 Vac.

6 Insert the screw terminal connector into the UC Open's power terminals.

7 Verify that the

Power

LED is on and the

Run

LED is blinking.

Addressing the UC Open

You must give the UC Open an address that is unique on the network. You can address the UC Open before or

after you wire it for power.

1 If the UC Open has been wired for power, pull the screw terminal connector from the controller power

terminals labeled

Gnd

and

Hot

. The controller reads the address each time you apply power to it.

Installing the UC Open

2 Using the rotary switches, set the controller address. Set the

Tens

(

10's

) switch to the tens digit of the

address, and set the

Ones

(

1's

) switch to the ones digit.

EXAMPLE

If the controller’s address is 25, point the arrow on the

Tens

(

10's

) switch to 2 and the arrow on

the

Ones

(

1's

) switch to 5.

10's

1's

CAUTION

The factory default setting is

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 segments:

•MS/TP communicating at 9600 bps, 19.2 kbps, 38.4 kbps, or 76.8 kbps

•ARC156 communicating at 156 kbps

NOTE

For more networking details, see the Open Controller Network Wiring Installation Guide.

Wiring specifications for BACnet MS/TP and ARC156

Cable: 22 AWG or 24 AWG, low-capacitance, twisted, stranded, shielded copper wire

Maximum length: 2000 feet (610 meters)

WARNING

Do not apply line voltage (mains voltage) to the controller's ports and terminals.

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