Carrier UC Open XP Anleitungen und Rezepte

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53390010-01 Printed in U.S.A. Form 39M-12SI Pg 1 10-12 Replaces: 39M-3SI

Installation and Start-Up Instructions

TABLE OF CONTENTS

Page

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Service Area Requirements . . . . . . . . . . . . . . . . . . . . . . 2

Electrical Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . 2

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-12

UC Open XP Control System . . . . . . . . . . . . . . . . . . . . 10

Control System Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . 10

To Wire the Controller to the Network . . . . . . . . . . . 11

COMPONENT INSTALLATION AND

FIELD WIRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-22

Wiring Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Supply-Air Temperature Sensor . . . . . . . . . . . . . . . . . 12

Fan Status Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Fan Status Switch Adjustment. . . . . . . . . . . . . . . . . . . 14

Fan Status Switch Field Installation . . . . . . . . . . . . . 14

Return-Air Temperature Sensor . . . . . . . . . . . . . . . . . 15

Outdoor-Air Temperature Sensor . . . . . . . . . . . . . . . . . 15

Mixed-Air Temperature Sensor . . . . . . . . . . . . . . . . . . 15

Low-Temperature Thermostat . . . . . . . . . . . . . . . . . . . 15

Preheat Temperature Sensor . . . . . . . . . . . . . . . . . . 15

Filter Status Switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Steam/Water Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Field-Supplied Two-Position Water Valves . . . . . . . 18

Mixing Box Damper Actuators . . . . . . . . . . . . . . . . . . . 18

Exhaust Damper Actuator . . . . . . . . . . . . . . . . . . . . . . . 19

Face and Bypass Damper Actuator . . . . . . . . . . . . . . 19

Variable-Frequency Drives . . . . . . . . . . . . . . . . . . . . . . 19

DX Cooling Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Electric Heat Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Electric Heat Sequencer . . . . . . . . . . . . . . . . . . . . . . . . . . 21

SCR Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Vernier Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . 22,23

Communication LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

UC OPEN XP SPECIFICATIONS. . . . . . . . . . . . . . . . . . 23

UC OPEN XP IO SPECIFICATIONS . . . . . . . . . . . . . . . 24

SAFETY CONSIDERATIONS

Installation and start-up of air-handling equipment can be

hazardous due to system pressure, rotating parts, and electrical

components. Only trained and qualified service personnel

should install, start-up or service air-conditioning equipment.

When working on air-conditioning equipment, observe

precautions in the literature, tags and labels attached to the unit,

and other safety precautions that may apply.

Follow all safety codes, including ANSI (American National

Standards Institute) Z223.1 or latest version. Wear a hard hat,

safety glasses, and work gloves.

IMPORTANT: This equipment generates, uses, and

can radiate radio frequency energy and if not installed

and used in accordance with these instructions may

cause radio interference. The equipment has been tested

and complies with the limits of a Class A computing

device as defined by FCC (Federal Communications

Commission) regulations, Subpart J of Part 14, which

are designed to provide reasonable protections against

such interference when operated in a commercial

environment.

WARNING

Disconnect all power to the unit, then lock out and safety

tag all disconnects before performing maintenance or

service. Unit may automatically start if power is not

disconnected. Electrical shock and personal injury could

result.

WARNING

DO NOT USE TORCH to remove any component. System

contains oil and refrigerant under pressure.

To remove a component, wear protective gloves and gog-

gles and proceed as follows:

a. Shut off electrical power to unit.

b. Recover refrigerant to relieve all pressure from sys-

tem using both high-pressure and low pressure ports.

c. Traces of vapor should be displaced with nitrogen

and the work area should be well ventilated. Refrig-

erant in contact with an open flame produces toxic

gases.

d. Cut component connection tubing with tubing cutter

and remove component from unit. Use a pan to catch

any oil that may come out of the lines and as a gage

for how much oil to add to the system.

e. Carefully unsweat remaining tubing stubs when nec-

essary. Oil can ignite when exposed to torch flame.

Failure to follow these procedures may result in personal

injury or death.

CAUTION

DO NOT re-use compressor oil or any oil that has been

exposed to the atmosphere. Dispose of oil per local codes

and regulations. DO NOT leave refrigerant system open to

air any longer than the actual time required to service the

equipment. Seal circuits being serviced and charge with

dry nitrogen to prevent oil contamination when timely

repairs cannot be completed. Failure to follow these proce-

dures may result in damage to equipment.

FOR YOUR SAFETY

Do not store or use gasoline or other flammable vapors and

liquids in the vicinity of this or any other appliance.

UC Open XP/UC Open XP IO

for 39MN,MW Indoor and

Weathertight Outdoor Air Handlers

INTRODUCTION

General — Carrier’s UC Open XP central station air han-

dler controls provide heating, cooling, and ventilation control

for constant volume (CV) and variable air volume (VAV)

applications.

The control box provides centralized management of the air

handler operation. A control module is supplied in the control

box which can store hundreds of configuration settings and set

points. It also performs self diagnostic tests at unit start-up,

monitors the operation of the unit, and provides alarms.

The controls can operate either stand-alone or can be

interfaced with BACnet*. If a controller is installed as part of a

network, the controller is connected to the BACnet communi-

cation bus with a field-installed cable.

When ordered along with a 39M unit, the UC Open XP is

installed inside a control box in its own control plenum or ex-

ternally mounted on the supply fan section. See Fig. 1 and

Fig. 2. All factory-installed sensors will be wired to one of 2 lo-

cations based on the controls option selected in AHUBuilder®

program as outlined below:

NO PRODUCT INTEGRATED CONTROLS — No sen-

sors are installed nor wired in the AHU (air-handling unit).

FACTORY WIRED - NO CONTROLLER — All factory-

installed sensors are wired to a terminal strip normally located

in either a control plenum or the supply fan section.

FACTORY WIRED - UNPROGRAMMED CONTROL-

LER IN CONTROL PLENUM — All factory-installed sen-

sors are wired to a terminal strip inside the control plenum.

The UC Open XP controller is then wired to the terminal strip

and mounted inside the control plenum.

If shipping splits exist, wiring will be terminated at each

split with a molex type quick connect at each end of the wiring.

The control box includes the control module, circuit breaker,

transformers, and terminal blocks. An ON/OFF switch is pro-

vided to shut off the control box power.

The control box environmental limitations are as follows:

Shipping Temperature — –24 to 140 F

Shipping Humidity — 0 to 90%

Operating Temperature — 0 to 140 F

Operating Humidity — 0 to 90%

Service Area Requirements — Article 110-16 of the

NEC (National Electrical Code) describes electrical installation.

All UC Open XP control installations must comply with the

minimum clearances required for electrical installation as listed

in Table 110-16(a) of the code. Make sure to provide the neces-

sary clearance from the UC Open XP controls and unit to any

adjoining wall. Refer to the base unit installation instructions

for detailed dimensions for each unit section.

Electrical Requirements — The control system will

run off of the AHU system's power through 2 transformers to

adjust the incoming voltage to 24 vac ± 10%. The incoming

power supply may be 50 or 60 Hz and capable of providing a

minimum of 3 amps (but not greater than 20 amps) to the con-

trol board. Do not run Class I power wiring in the same con-

duit as Class II sensor wiring, control wiring of field-installed

devices, or the Class motor starter wiring.

Refer to Fig. 3 and 4 for control box components. Various

wiring details are shown in Fig. 5 and 6. Factory-supplied and

wired controller input and output points are listed in Tables 1

and 2 and corresponding terminal numbers in the control are

shown in Fig. 7 and 8.

The supply and return fan starter circuits are independent

from each other. Either circuit can be 24 vac, 120 vac, or

240 vac powered.

All factory-supplied and installed accessories are powered

by factory-installed transformers. Each transformer is UL (Un-

derwriters Laboratories) listed as a Class II device. An accesso-

ry transformer is required on the CO2sensor.

All electrical components are UL listed. The electronic

control module and control box assembly are approved under

UL HVAC (Heating, Ventilation and Air Conditioning)

Equipment Standard 873 for temperature indicating and

regulatory equipment. When ordered factory-supplied with the

air-handling equipment, the control is listed and labeled by

ETL to UL Standard 1995 for heating and cooling units, and

comply with NFPA (National Fire Protection Association)

Standard 90A.

IMPORTANT: To ease installation and servicing, all

field-installed sensor wiring should be located on the

service side of the unit. All factory wiring run between

sections, which are equipped with separation joints,

has factory-supplied connections. The wiring must be

disconnected if the unit is separated for service.

CAUTION

Power is present in the control box from the motor starter

circuit even when the dedicated power to the control box is

off.

Fig. 1 — Typical Control Box Installation on

39M Supply Fan Section

a34-4317

* Sponsored by ASHRAE (American Society of Heating, Refrigerat-

ing, and Air Conditioning Engineers).

MIXED AIR TEMP

(MAT) SENSOR

DAMPER ACTUATORS

(EA, RA, OA) ELECTRIC HEATER

CONTROL BOARD

AND SEQUENCER

CONTROLLER AND/OR

TERMINAL STRIP

MOUNTED IN OWN PLENUM

OR EXTERNAL TO UNIT

FILTER STATUS

SWITCH (FLTS)

SUPPLY AIR

TEMP (SAT)

SENSOR

LOW TEMP

THERMOSTAT

(LTT OR FREEZESTAT)

a33-9293

Fig. 2 — 39M Typical Sensor, Actuator, and Controller Installation Locations

Fig. 3 — Sensor Only Terminal Box

a39-4320

Fig. 4 — UC Open XP Control Box Components

a39-4319

FOR SCR OPTION

DO NOT CONNECT

TO 24 VAC

Fig. 5 — UC Open Wiring Schematic

LEGEND

CCV — Cooling Coil Valve

EH — Electric Heat

EXH — Exhaust Damper

FLTS — Filter Differential Pressure Switch

HCV — Heat Coil Valve

HDT — Hot Deck Temperature

LTT — Low Temperature Thermostat

MAD — Mixed Air Damper Actuator

MAT — Mixed Air Temperature

OAD — Outdoor Air Damper

PHEAT — Preheat Temperature

PHV — Preheat Valve

RAD — Return Air Damper

SAT — Supply Air Temperature

SF — Supply Fan

SF/SFR — Supply Fan Relay (Start/Stop)

SPT — Set Point

TB — Te r m i n a l B l o ck

VFD — Variable Frequency Drive

Fig. 6 — Controller Wiring Schematic

a39-4366

Table 1 — Sensor Only Wire Designations

CONNECTION

DEVICE WIRE NO. WIRE PART NO. “A” END WIRE LABEL “A” END TERM WIRE COLOR WIRE LENGTH

(in.)

“B” END WIRE

LABEL “B” END TERM

T1 24Vac

Power

1 39MA51007701 CB1-2 J BROWN 18 J1-1 E

BROWN 18 J1-1 E

2 39MA51007702 TRANS1-HOT C BROWN 15 CB1-1 C

T1 GND 3 39MA51007703 TRANS1-GND H GREEN/YELLOW 6 TRANS1-COM J

J1-2 (6126 Gnd) E GREEN/YELLOW 27

4 39MA51007704 J1-2 (8160 Gnd) E GREEN 5 J1-2 (Gnd) E

T2 24Vac

Power

5 39MA51007705 TRANS2-HOT C BROWN 6 CB2-1 C

6 39MA51007706

CB2-2 C BROWN 24 TB4-3 J

TB6-3 J BROWN 8

BROWN 8 TB8-3 J

TB7-3 J BROWN 8

BROWN 6 TB1-3 J

TB5-3 J BROWN 8

BROWN 4 TB9-3 J

TB10-3 J BROWN 6

BROWN 21 LTT-1 D

7 39MA51007707 LTT-1 C GREY 7 J5-1 (ExBO-1) E

8 39MA51007708 J5-1 (ExBO-1) E GREY 2 J5-3 (ExBO-2) E

9 39MA51007709 J5-3 (ExBO-2) E GREY 6 J5-11 (ExBO-6) E

T2 GND

10 39MA51007710 TRANS2-GND H GREEN/YELLOW 6 TRANS2-COM J

TB5-4 D GREEN/YELLOW 6

11 39MA51007711

TB2-3 D GREEN/YELLOW 12 TB4-4 J

TB6-4 J GREEN/YELLOW 8

GREEN/YELLOW 6 TB8-4 J

TB7-4 J GREEN/YELLOW 6

GREEN/YELLOW 6 TB1-4 J

TB5-4 J GREEN/YELLOW 6

GREEN/YELLOW 3 TB9-4 J

TB10-4 J GREEN/YELLOW 6

GREEN/YELLOW 16 CR3-2 C

LTT

12 39MA51007712 LTT-2 CBROWN 12 CR3-1 J

CR2-3 BROWN 4

13 39MA51007713

CR2-1 C BLUE 6 CR3-3 J

CR3-4 J BLUE 4

BLUE 24 TB2-4 C

14 39MA51007714 TB3-2 C YELLOW 18 CR2-5 C

15 39MA51007715 CR2-6 C YELLOW 17 TB3-3 D

16 39MA51007716 CR2-2 C RED 34 J4-9 (UI-05) E

17 39MA51007717 CR2-4 C BLACK 34 J4-11 (Gnd) E

MAD 18 39MA51007718 TB4-1 C RED 26 J9-1 (AO-1) E

19 39MA51007719 TB4-4 D GREEN/YELLOW 26 J9-2 (Gnd) E

RAD 20 39MA51007720 TB9-1 J RED 24 TB4-1 D

EXD 21 39MA51007721 TB10-1 C RED 6 TB9-1 D

HCV 22 39MA51007722 TB5-1 C RED 28 J9-3 (AO-2) E

2 Pos HCV 23 39MA51007723 TB5-2 C WHITE 32 J5-2 (ExBO-1) E

CCV 24 39MA51007724 TB1-1 C RED 25 J9-5 (AO-3) E

2 Pos CCV 25 39MA51007725 TB1-2 C WHITE 29 J5-4 (ExBO-2) E

PHV/F&B 26 39MA51007726 TB6-1 C RED 24 J9-11 (AO-6) E

2 Pos PHV 27 39MA51007727 TB6-2 C WHITE 24 J5-12 (ExBO-6) E

FLTS 28 39MA51007728 TB2-1 C RED 24 J4-3 (UI-01) E

29 39MA51007729 TB2-2 C BLACK 24 J4-5 (Gnd) E

FLTS2 30 39MA51007730 TB2-11 C RED 24 J2-15 (ExIN-16) E

PREHEAT 31 39MA51007731 TB2-5 C RED 24 J2-1 (ExIN-09) E

HOT DECK 32 39MA51007732 TB2-6 C RED 24 J2-3 (ExIN-10) E

MAT 33 39MA51007733 TB2-7 C RED 21 J4-6 (UI-03) E

Gnd

34 39MA51007734 TB2-8 C BLACK 24 J2-4 (Gnd) E

35 39MA51007735 TB2-9 J BLACK 26 J4-8 (Gnd) E

BLACK 3 TB2-12 C

SAT 36 39MA51007736 TB2-10 C RED 21 J4-4 (UI-02) E

HUMIDIFIER 37 39MA51007737 TB6-2 C ORANGE 30 J16-6 (BO-2) E

SF VFD 38 39MA51007738 TB8-1 C RED 24 J9-7 (AO-4) E

SF s/s 39 39MA51007739 TB3-3 C YELLOW 28 J16-3 (BO-1no) E

40 39MA51007740 TB3-4 C YELLOW 28 J16-2 (BO-1com) E

RF VFD 41 39MA51007741 TB8-2 C RED 24 J9-9 (AO-5) E

RF s/s 42 39MA51007742 TB3-5 C PINK 26 J16-9 (BO-3no) E

43 39MA51007743 TB3-7 C PINK 24 J16-8 (BO-3com) E

Comm

Jumpers

44 39MA51007744 OPN-UCXPIO Xnet (-) E BLACK 5 OPN-UCXP Xnet (-) E

45 39MA51007745 OPN-UCXPIO Xnet (+) E RED 5 OPN-UCXP Xnet (+) E

46 39MA51007746 OPN-UCXPIO Xnet GND E WHITE 5 OPN-UCXP Xnet GND E

Table 2 — UC Open XP Wire Designations

DEVICE / CHANNEL # / CABLE # WIRE COLOR TERMINAL SIGNAL

FILTER STATUS SWITCH (CHANNEL # UI-1)

CABLE #3

WHITE TB2-1 DRY CONTACT DI

BLACK TB2-2 SIGNAL GROUND

SUPPLY AIR TEMPERATURE (CHANNEL # UI-2)

CABLE #1

WHITE TB2-10 10K THERMISTOR AI

BLACK TB2-12 SIGNAL GROUND

MIXED AIR TEMPERATURE (CHANNEL # UI-3)

CABLE #4

WHITE TB2-7 10K THERMISTOR AI

BLACK TB2-8 SIGNAL GROUND

OAT (CHANNEL #UI-4)

(FIELD SUPPLIED / INSTALLED)

FIELD INST U1-4 J4-7 10K THERMISTOR AI

FIELD INST GND J4-8 SIGNAL GROUND

LOW TEMPERATURE THERMOSTAT (FREEZSTAT)

(CHANNEL #UI-5) CABLE #2

WHITE TB2-4 DRY CONTACT D1

BLACK TB2-3 SIGNAL GROUND

SUPPLY FAN STATUS (CHANNEL #UI-6)

CABLE #2

FIELD INST U1-6 J4-10 DRY CONTACT D1

FIELD INST UIGND J4-11 SIGNAL GROUND

RETURN AIR TEMPERATURE (CHANNEL #UI-7) FIELD INST UI-6 J4-10 10K THERMISTOR AI

FIELD INST GND J4-11 SIGNAL GROUND

SPACE RH (CHANNEL #UI-8)

FIELD INST UI-8 J4-13 4-20 MA (+)

FIELD INST PWR OUT J4-1 +24 VDC POWER

FIELD INST GND J4-14 SIGNAL GROUND

SPACE INDOOR AIR QUALITY (CHANNEL #UI-11)

FIELD INST UI-10 J4-16 4-20 MA (+)

FIELD INST PWR OUT J4-1 +24 VDC POWER

FIELD INST GND J4-17 SIGNAL GROUND

OUTDOOR AIR QUALITY (CHANNEL #UI-11)

FIELD INST UI-11 J4-18 4-20 MA (+)

FIELD INST PWR OUT J4-1 +24 VDC POWER

FIELD INST GND J4-20 SIGNAL GROUND

BP (CHANNEL #UI-12)

(FIELD SUPPLIED / INSTALLED)

FIELD INST UI-12 J4-19 4-20 MA (+)

FIELD INST PWR OUT J4-1 +24 VDC POWER

FIELD INST GND J4-20 SIGNAL GROUND

RETURN EXHAUST FAN STATUS (CHANNEL # EXIN-1)

CABLE #19

FIELD INST EXIN-1 J3-1 DRY CONTACT D1

FIELD INST EXGND J3-2 SIGNAL GROUND

HIGH SUPPLY DUCT RH

(CHANNEL # EXIN-2)

FIELD INST EXIN-2 J3-3 DRY CONTACT D1

FIELD INST EXGND J3-4 SIGNAL GROUND

FIRE/SMOKE SHUTDOWN CONTACT

(CHANNEL # EXIN-3)

FIELD INST EXIN-3 J3-5 DRY CONTACT D1

FIELD INST EXGND J3-6 SIGNAL GROUND

SMOKE MODE EVACUATION INPUT

(CHANNEL # EXIN-4)

FIELD INST EXIN-4 J3-7 DRY CONTACT D1

FIELD INST EXGND J3-8 SIGNAL GROUND

SMOKE MODE PRESSURIZATION INPUT

(CHANNEL # EXIN-5)

FIELD INST EXIN-5 J3-9 DRY CONTACT D1

FIELD INST EXGND J3-10 SIGNAL GROUND

SMOKE MODE PURGE INPUT

(CHANNEL # EXIN-6)

FIELD INST EXIN-6 J3-11 DRY CONTACT D1

FIELD INST EXGND J3-12 SIGNAL GROUND

ENTHALPY SWITCH

(CHANNEL # EXIN-7)

FIELD INST EXIN-7 J3-13 DRY CONTACT D1

FIELD INST EXGND J3-14 SIGNAL GROUND

PRE-HEAT (CHANNEL # EXUI-9)

CABLE #7

WHITE TB2-5 10K THERMISTOR A1

BLACK TB2-8 SIGNAL GROUND

HOT DECK TEMPERATURE (CHANNEL # EXUI-10)

CABLE #18

WHITE TB2-6 10K THERMISTOR A1

BLACK TB2-8 SIGNAL GROUND

FILTER STATUS SWITCH 2 (CHANNEL # EXUI-16

CABLE #17

WHITE TB2-11 DRY CONTACT D1

BLACK TB2-12 SIGNAL GROUND

SUPPLY FAN MOTOR START/STOP

(CHANNEL # DO-1)

CABLE #10

RED TB3-2 STATER (HOT)

WHITE TB3-3 HAND

GREEN TB3-4 STARTER (AUTO)

HUMIDIFIER ENABLE

(CHANNEL # DO-2)

CABLE #16

RED N/C

WHITE TB6-2 24VAC SIGNAL

BLACK TB6-4 GROUND

GREEN N/C

RETURN FAN/EXHAUST FAN MOTOR START/STOP

(CHANNEL # DO-3) CABLE #11

WHITE TB3-5 STARTER (HOT)

GREEN TB3-7 STARTER (AUTO)

MIXED AIR DAMPER / OUTDOOR AIR DAMPER

(CHANNEL # AO-1)

CABLE #5

RED TB4-1 0-10 VDC AO

WHITE TB4-3 +24 VAC

BLACK TB4-4 POWER GROUND

GREEN N/C

RETURN AIR DAMPER

(SMOKE CONTROL)

(CHANNEL # ?)

CABLE #22

RED TB9-1 0-10 VDC AO

WHITE TB9-3 +24 VAC

BLACK TB9-4 GROUND

GREEN N/C

EXHAUST AIR DAMPER

(CHANNEL # ?)

CABLE #6

RED TB10-1 0-10 VDC AO

WHITE TB10-3 +24 VAC

BLACK TB10-4 GROUND

GREEN N/C

HEATING COIL VALVE

(CHANNEL # AO-2)

CABLE #9

RED TB5-1 0-10 VDC AO

WHITE TB5-3 +24 VAC

BLACK TB5-4 GROUND

GREEN N/C

COOLING COIL VALVE

(CHANNEL # AO-3)

CABLE #8

RED TB1-1 0-10 VDC AO

WHITE TB1-3 +24 VAC

BLACK TB1-4 GROUND

GREEN N/C

SUPPLY FAN VARIABLE FREQUENCY DRIVE SPEED

CHANNEL # AO-4) CABLE # 10

RED TB8-1 2-10 VDC AO

BLACK TB8-4 GROUND

RETURN FAN/EXHAUST FAN VARIABLE FREQUENCY SPEED

(CHANNEL # AO-5) CABLE #11

RED TB8-2 2-10 VDC AO

BLACK TB8-4 GROUND

ELECTRIC HEAT

(CHANNEL # AO-2)

CABLE #12

RED TB5-1 0-10 VDC AO

WHITE TB5-3 +24 VAC

BLACK TB5-4 GROUND

GREEN N/C

Table 2 — UC Open XP Wire Designations (cont)

DEVICE / CHANNEL # / CABLE # WIRE COLOR TERMINAL SIGNAL

PRE-HEAT VALVE

(CHANNEL # AO-6)

CABLE #20

RED TB6-1 0-10 VDC AO

WHITE TB6-3 +24 VAC

BLACK TB6-4 GROUND

GREEN N/C

FACE AND BYPASS DAMPER

(CHANNEL # AO-6)

CABLE #20

RED TB6-1 0-10 VDC AO

WHITE TB6-3 +24 VAC

BLACK TB6-4 GROUND

GREEN N/C

DIRECT EXPANSION STAGES 1,2,3

(CHANNEL # DO-4, -5, -6

(FIELD SUPPLIED / INSTALLED)

FIELD INST. BO-4 J16-12 DX STAGE 1 (24 VAC)

FIELD INST. BO-5 J16-15 DX STAGE 2 (24 VAC)

FIELD INST. BO-6 J16-18 DX STAGE 3 (24 VAC)

FIELD INST. TB1-4 GROUND

DIRECT EXPANSION STAGES 4,5,6

(CHANNEL # EXDO-3, -4, -5

(FIELD SUPPLIED / INSTALLED)

FIELD INST. EXBO-3 J5-6 DX STAGE 4 (24 VAC)

FIELD INST. EXBO-4 J5-8 DX STAGE 5 (24 VAC)

FIELD INST. EXBO-5 J5-10 DX STAGE 6 (24 VAC)

FIELD INST. TB1-4 GROUND

BACnet ®

24VAC

Gnd

24VAC, 50-60 Hz

20VA, 0.83A

Use Copper

Conductors Only UC Open XP

(OPN-UCXP)

Rnet Local

Access

Xnet

Remote

Expansion

Gnd

Xnet -

Xnet +

Gnd

Rnet +

Rnet -

+ 12V

Gnd

Rnet +

Rnet -

+ 12V

Sense

BACnet Port

Open Energy

Management Equipement

Pulse Count Ability

Aux Pwr Out

a39-4347

Fig. 7 — UC Open XP Input and Output Terminals

INSTALLATION

Leave protective coverings on the unit until it is installed

indoors and protected from the elements, construction debris,

and dirt.

The control box is shipped mounted in either the control

plenum or external to the supply fan section. Visually inspect

all components and wiring for any damage.

Control cable connectors are provided at each base rail split

for easy disassembly and/or reassembly, allowing the unit to be

shipped and/or installed in pieces.

UC Open XP Control System — The UC Open XP

control system consists of a control board, sensors and con-

trolled devices.

The UC Open XP is able to be loaded with nearly any type

of controls software to control the unit. The user communi-

cates with the UC Open XP controller with a service tool (lap-

top), using one of many types of software including i-Vu®Ap-

plication Builder. Communications between the controller and

other devices on the network are accomplished using a 3-wire

bus that runs between controls.

The control board is powered from a 24 vac transformer

connected to the power input connector.

The control board monitors and controls components such

as the supply fan, cooling and heating coil valves, mixed-air

dampers, electric heat, etc.

Control System Wiring — The UC Open XP wiring is

all internal to the 39M air handler. Since air-handling systems

are normally made up of multiple component sections, Carrier

has designed the control system wiring using quick connect

snap plugs on wires that run between sections.

There may be multiple devices mounted within the various

sections, which all must connect back to the UC Open XP con-

troller. Figure 9 illustrates the connectivity between air-han-

dling sections.

On the UC Open XP, there is a power plug, a plug to con-

nect the module to optional I/O modules within the control

panel, and a plug to daisy-chain the module to additional mod-

ules within the network or other building management system.

NOTE: Conductors and drain wire must be 22 or 24 AWG

(American Wire Gage) minimum, low-capacitance, twisted,

stranded shielded copper wire. Individual conductors must be

insulated with PVC, PVC/nylon, vinyl, Teflon*, or polyethyl-

ene. An aluminum/polyester 100% foil shield and an outer

jacket of PVC, PVC/nylon, chrome vinyl, or Teflon with a

minimum operating temperature range of –20 C to 60 C is

required. See Table 3 for cables that meet the requirements.

Table 3 — Cable Requirements

AI/UI

DI/BI

DO/BO

Fig. 8 — UC Open XP IO Input and Output Terminals

a39-4323

MANUFACTURER CABLE NO.

Alpha 2413 or 5463

American A22503

Belden 8772

Columbia 02525

* Registered trademark of DuPont.

Andere Handbücher für UC Open XP

Dieses Handbuch passt für folgende Modelle

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