Carrier 50XJ064-104 specifications Control Inputs and Outputs, SW2 SW3 SW1

Page 3

Table 1 — Control Inputs and Outputs

 

DESCRIPTION

 

 

CONTROLLER I/O NO.

 

 

DIP SWITCH SETTINGS

 

 

 

ABBREV.

TYPE

Water Econ. Units

Air Econ.Units

 

 

Switch No. and Position

 

 

 

 

 

 

 

 

Inputs

 

 

 

SW2

 

SW3

SW1

 

 

 

 

 

 

Main Controller (PCB1)

 

 

 

 

 

 

 

 

 

 

Addr = 1-16

Supply Air Temperature

SAT

Analog; 10K MCI

1

1

1

 

Up

1

 

Down

1

 

Up

VFD Duct Static Pressure

DSP

4-20mA; Internally Powered

2

2

2

 

Up

2

 

Up

2

 

Down

COL/Safeties —

CMP MUX

Analog; 0-10VDC

3

3

3

 

Up

3

 

Down

3

 

Down

(Comprs.Status; Resister Bd.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fire Alarm/Shutdown

FSD

Switch closure

4

4

4

 

Up

4

 

Down

4

 

Down

Condenser Waterflow Switch

CDWF

Switch closure

5

5

5

 

Up

5

 

Down

5

 

Down

Remote Occupancy

RMTOCC

Switch closure

6

6

6

 

Up

6

 

Down

6

 

Down

Duct High Static Limit Switch

DHS

Switch closure

7

7

7

 

Up

7

 

Down

7

 

Up

Entering Water Temp. Sensor

EWT

Analog; 5K

8

8

8

 

Up

8

 

Down

8

 

Up

I/O Board (PCB2)

 

 

 

 

 

 

 

 

 

 

Addr = 17-32

Mixed/Return Air Sensor

MAT/RAT

Analog; 10K MCI

1

1

1

 

Up

1

 

Down

1

 

Up

Filter Status Switch

FLTS

Switch closure

2

2

2

 

Up

2

 

Down

2

 

Down

(Dirty Filter Detect)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Phase Loss Monitor

PHASE

Switch closure

3

3

3

 

Up

3

 

Down

3

 

Down

External reset

RESET

0-10VDC Externally Powered

4

4

4

 

Up

4

 

Down

4

 

Down

Water Econ. FreezeStat

FREEZE

Switch closure

5

—

5

 

Up

5

 

Down

5

 

Up

Differential Enthalpy

ENTH

Switch closure

—

5

5

 

Up

5

 

Down

6

 

Down

Space Zone Sensor(s)

SPT

Analog; 10K MCI

6

6

6

 

Up

6

 

Down

7

 

Up

VFD Bypass Enable

BYPASS

Switch closure

7

7

7

 

Up

7

 

Down

8

 

Up

Refrigerant Pressure

PRES

4-20mA; Internally Powered

8

8

8

 

Up

8

 

Up

—

 

—

(Compr.#1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I/O Board (PCB3)

 

 

 

 

 

 

 

 

 

 

Addr = 33-48

Tower Sump Temp.

TWRTEMP

Analog; 10K MCI

1

1

1

 

Up

1

 

Up

1

 

Up

Building Pressure

BSP

4-20mA; Internally Powered

2

2

2

 

Up

2

 

Down

2

 

Down

Leaving Water Temp.

LWT

Analog; 10K MCI

3

3

3

 

Up

3

 

Up

3

 

Down

Indoor Air Quality

IAQ

4-20mA; Internally Powered

—

4

4

 

Up

4

 

Down

4

 

Down

Indoor relative Humidity

IRH

4-20mA; Internally Powered

—

5

5

 

Up

5

 

Down

5

 

Down

Outside Air Temp.

OAT

Analog; 10K MCI

—

6

6

 

Up

6

 

Up

6

 

Up

Unassigned

—

—

—

—

—

 

—

—

 

—

7

 

Up

Unassigned

—

—

—

—

—

 

—

—

 

—

8

 

Up

 

DESCRIPTION

 

 

CONTROLLER I/O NO.

 

 

DIP SWITCH SETTINGS

 

 

 

ABBREV.

TYPE

Water Econ. Units

Air Econ.Units

 

 

Switch No. and Position

 

 

 

 

 

 

 

 

Outputs

 

 

 

SW4

 

SW5

SW6

 

 

 

 

 

 

Main Controller (PCB1)

 

 

 

 

 

 

 

 

 

 

 

 

 

Compressor #1 Relay

CMP1

24VDC Discrete

1

1

1

 

Either

1

 

DO

 

—

Compressor #2 Relay

CMP2

24VDC Discrete

2

2

2

 

Either

2

 

DO

 

—

Compressor #3 Relay

CMP3

24VDC Discrete

3

3

3

 

Either

3

 

DO

 

—

Compressor #4 Relay

CMP4

24VDC Discrete

4

4

4

 

Either

4

 

DO

 

—

VFD On/Off

SF

24VDC Discrete

5

5

5

 

Either

 

—

1

 

DO

VFD Speed Control

SPEED

4-20mA modulating

6

6

6

 

Down

 

—

2

 

AO

Alarm Pending

ALARM1

24VDC Discrete

7

7

7

 

Either

 

—

3

 

DO

Service Required

ALARM2

24VDC Discrete

8

8

8

 

Either

 

—

4

 

DO

I/O Board (PCB2)

 

 

 

 

 

 

 

 

 

 

 

 

 

Ventilation Output

VENTOUT

24VDC Discrete

1

1

1

 

Either

1

 

DO

 

—

Terminals Occupied

OCCTRM

24VDC Discrete

2

2

2

 

Either

2

 

DO

 

—

2-Position\

ECONO

4-20mA modulating

3

 

3

 

Down

3

 

AO

 

—

Reverse Operation Valve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Economizer Damper

ECONO

4-20mA modulating

—

3

3

 

Down

3

 

AO

 

—

Modulating Valve Econ./

MODVLV

4-20mA modulating

4

4

4

 

Down

4

 

AO

 

—

Head Pressure Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Hot Water Coil Valve Control

HWV

4-20mA modulating

5

5

5

 

Down

 

—

1

 

AO

Heat Interlock Relay

HIR

24VDC Discrete

6

6

6

 

Either

 

—

2

 

DO

VFD Bypass Start

BPSS

24VDC Discrete

7

7

7

 

Either

 

—

3

 

DO

VAV Terminals Open

DAMPERS

24VDC Discrete

8

8

8

 

Either

 

—

4

 

DO

I/O Board (PCB3)

 

 

 

 

 

 

 

 

 

 

 

 

 

Electric Heat Control — Stage #1

HEAT1

24VDC Discrete

1

1

1

 

Either

1

 

DO

 

—

Electric Heat Control — Stage #2

HEAT2

24VDC Discrete

2

2

2

 

Either

2

 

DO

 

—

Electric Heat Control — Stage #3

HEAT3

24VDC Discrete

3

3

3

 

Either

3

 

DO

 

—

Electric Heat Control — Stage #4

HEAT4

24VDC Discrete

4

4

4

 

Either

4

 

DO

 

—

Water Pump Request

PUMP

24VDC Discrete

5

5

5

 

Either

 

—

1

 

DO

Tower Request

TOWER

24VDC Discrete

6

6

6

 

Either

 

—

2

 

DO

Modulating Exhaust Fan

EXH

4-20mA modulating

7

7

7

 

Down

 

—

3

 

AO

External Dehumidification

DEHUM

24VDC Discrete

8

8

8

 

Either

 

—

4

 

DO

 

LEGEND

 

 

 

 

 

 

 

 

 

 

 

 

 

AO

— Analog Output

 

 

 

 

 

 

 

 

 

 

 

 

 

DO

— Discreet Output

 

 

 

 

 

 

 

 

 

 

 

 

 

MCI

— Precon Type II Thermistor

 

 

 

 

 

 

 

 

 

 

 

 

 

VAV — Variable Air Volume

VFD — Variable Frequency Drive

3

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Contents Controls Operation Troubleshooting Page SW2 SW3 SW1 Control Inputs and OutputsManufacturer Part Number Communication Cable RecommendationsWhen the unit is off, both valves are closed Field Terminal Blocks for 50XJ Unit Space Temperature Sensor Typical Wiring 33ZCT55SPT Operative USE Keys LID Function KeysOperative Keys Numeric KeysOmnizone Vpac KEY Algo Stat Hist Srvc Alrm SET Quick Access ChartOmnizone Page SETPT01 OMNIZONESETPT02 Controller Set PointsConfiguration Parameters Controller Hardware PointsSoftware Points Operation Page Page RUN VFD Non-Trip Messages for 50XJ Unit Keys and Functions for 50XJ VFDVFD Trip Messages for 50XJ Unit VFD Mode Summary for 50XJ Unit KEY Operaton LED Message ExplanationDown 50BV VFD Display Trip Messages for 50BV VFD Non-Trip Messages for the 50BV VFDEPH1 OL1OL2 EphoError Communication Problem Possible Causes Remedies Code Run Test Troubleshooting Forcing an Input or OutputClearing a Forced Input or Output Alarms Displayed at Unit LID Comp Volts Range Compressor MUX Board VoltagesUnit Wiring 50BVJ,K Low Voltage Schematic50BVJ,K High Voltage Schematic TRANS-3 24VAC BLU 50BVW,X Low Voltage Schematic50BVW,X High Voltage Schematic PCB2 J1 50BVJ,K,W,X Field-Installed Low Voltage Schematic3 4 5 6 7 50BVJ,K Field-Installed Low Voltage SchemticField Wiring 50BVW,X Field-installed Low Voltage SchematicBpss RoccAqua SPTLOW Voltage Control Wiring 50XJ Low Voltage Control WiringBLK VIO Switch Settings 50XJ 115V Control WiringPower Wiring 50XJ Power WiringPCB3 50BV,XJ Accessory Control Module PCB3 SchematicIFM HeatCdwfs HRNDescription Value Units Status Force Name Ewtrst NumcmpRsetrto Cdwf 0=NO,1=YES Cdfwswt Econ 0=NO,1=YES EwtsnsDescription Value Units Name SETPT00 PntnameSETPT09 SENSDI00High Conversion Endpoint 309.77 Comparison Point OMNIZONEDSALM02 Phase Protection Monitored Input Point OMNIZONEDSALM05 Fire alarm Monitored Input Point OMNIZONEDSALM08 Compressor 1 Alarm Monitored Input Point DISCRO00 LINK09 OMNIZONEINTLK02 Ok to Cool Discrete Output Point HCVAV01 VOLTI00SETPT03 NTFC00OMNIZONELMALM02 Entering WaterTemp Monitored Input Point DOW4 DOW1DOW2 DOW3Maintenance Screens LMALM03 FalseCcvvrf ADAPT03RAM ADAPT02ADAPT01 EepromDodxrf Description Value Units Status Force Name CCVAV01 ANCTL01Exetime LMALM02Resched Taskstat Tasktimr

50XJ064-104 specifications

The Carrier 50XJ064-104 is a high-efficiency rooftop air conditioning system designed to deliver exceptional cooling and heating capabilities for diverse commercial applications. One of the standout features of this model is its robust cooling capacity of 64,000 BTUs, making it suitable for mid to large-sized spaces. The 50XJ064-104 is engineered using advanced technologies to ensure energy efficiency and reliable performance, contributing to reduced operational costs and environmental sustainability.

One of the primary technologies employed in the Carrier 50XJ064-104 is the high-efficiency scroll compressor. This component plays a pivotal role in optimizing energy usage while delivering consistent cooling output. The system also incorporates an economizer that allows for enhanced energy savings by utilizing outdoor air for cooling when conditions are favorable. This not only decreases reliance on the compressor but also improves indoor air quality.

The microprocessor-based controls in the 50XJ064-104 provide precise temperature regulation, ensuring optimal comfort levels in various applications. These controls allow for easy programming and can be integrated into building management systems for centralized oversight. Additionally, the unit features a built-in fault detection and diagnostic system that aids in identifying potential issues before they escalate, minimizing downtime and maintenance costs.

The Carrier 50XJ064-104 is designed with durability in mind. It features a weather-resistant cabinet, designed to withstand harsh outdoor conditions and prolong service life. The high-quality insulation within the unit not only enhances energy efficiency but also minimizes noise levels, making it an ideal choice for urban environments where sound control is critical.

Another important characteristic is its environmentally friendly R-410A refrigerant, which has a lower impact on ozone depletion compared to older refrigerants. This aligns with Carrier's commitment to creating sustainable HVAC solutions that comply with current environmental regulations.

Overall, the Carrier 50XJ064-104 stands out for its combination of efficiency, advanced technologies, and durable construction. Whether for commercial buildings, retail spaces, or industrial applications, this rooftop air conditioning unit is designed to provide reliable performance and comfort year-round.
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