Carrier 19XRV specifications Contents

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CONTENTS

Page SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

ABBREVIATIONS AND EXPLANATIONS . . . . . . . . . . 2 Required Publications. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Getting Assistance from Rockwell Automation . . . 2

IDENTIFYING DRIVE COMPONENTS. . . . . . . . . . . . 2-5Opening the VFD Access Door . . . . . . . . . . . . . . . . . . . 3 Drive Assembly Catalog Number . . . . . . . . . . . . . . . . . 3 Components and Physical Data . . . . . . . . . . . . . . . . . . 3

START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8

Alternate Wire Lugs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Verify Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Configure the VFD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Commissioning the Unit. . . . . . . . . . . . . . . . . . . . . . . . . . 6

Check Internal Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . 7

SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-27

Troubleshooting the Drive . . . . . . . . . . . . . . . . . . . . . . . . 8

•ICVC ALERT CODES

•ICVC ALARM CODES

•TEST EQUIPMENT NEEDED TO TROUBLESHOOT

•VERIFYING THAT DC BUS CAPACITORS ARE DISCHARGED

•HIGH TEMPERATURE ALARMS

•MAIN CONTROL BOARD (MCB) COMPONENTS

Checking Power Modules and Motor Input

with Input Power Off . . . . . . . . . . . . . . . . . . . . . . . . . . 22 → Servicing the Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

•REMOVING THE DRIVE

•RIGGING THE ENCLOSURE

•REPLACING THE GATEWAY (A-B20-750-20COMM

OPTION CARD)

•CHILL PLATE FAN AND INTERNAL FAN REPLACEMENT

Parts Identification and Location . . . . . . . . . . . . . . . . 26 APPENDIX A — WIRING SCHEMATICS . . . . . . . 28-31

APPENDIX B — OPTIONAL BACNET COMMUNICATIONS WIRING . . . . . . . . . . . . . . . 32-38

INTRODUCTION

The Carrier VFD option Start-Up and Service Manual is in- tended for trained and qualified service personnel, and is to be used during start up, operation, and maintenance of Rockwell/ Allen-Bradley PF755L drive.

ABBREVIATIONS AND EXPLANATIONS

Frequently used abbreviations in this manual include:

CCM

— Chiller Control Module

DC

— Direct Current

DPI

— Drive Peripheral Interface

ENET

— Ethernet

ICVC

— International Chiller Visual Controller

IGBT

— Insulated Gate Bipolar Transistor

I/O

— Inputs/Outputs

IP

— Internet Protocol

IPWM

— Inverter Pulse Width Modulation

MCB

— Main Control Board

MOV

— Metal Oxide Varistor

PE

— Protective Earthing Conductor

SIO

— Sensor Input/Output

STS

— Status

Required Publications — The Carrier VFD option Start-Up and Service Manual must be used with the following manuals:

•The latest version of the PowerFlex 750-Series AC Drives manuals

•The latest revision of the Start-Up, Operation, and Main- tenance Instructions for the 19XRV with PIC III Controls

Getting Assistance from Rockwell Automa-

tion — Contact the local Rockwell Automation sales office with any questions or problems relating to the products de- scribed in this manual. For technical support on drives between the hours of 7:00 am and 6:00 pm CST, M-F, call 1-262-512- 8176. For information about after-hours phone support and on- site support call 1-800-800-0522.

Before calling, have the following information available from the Allen-Bradley data nameplate located inside the en- closure on the right wall. See Fig. 1.

•Allen-Bradley ID or CAT. NO.

•Carrier VFD Code

•Allen-Bradley serial number

Fig. 1 — Allen Bradley Data Nameplate

A19-1830

IDENTIFYING DRIVE COMPONENTS

A chiller control schematic and a VFD schematic are in- cluded in Appendix A.

WARNING

DC bus capacitors retain hazardous voltages after input power has been disconnected. After disconnecting input power, wait five (5) minutes for the DC bus capacitors to discharge and then check the voltage with a voltmeter rated for the DC bus voltage to ensure the DC bus capacitors are discharged before touching any internal components. Fail- ure to observe this precaution could result in severe bodily injury or loss of life.

An isolated multimeter will be needed to measure DC bus voltage and to make resistance checks. The drive’s DC bus capacitors retain hazardous voltages after input power has been disconnected.

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Contents Start-Up and Service Instructions Contents A19-1814 A19-1831A19-1842 A19-1833 A191832 Wire Lugs A19-1834A19 1846 VFD ConfigurationsParameter Default Value A19-1921 TB1 I/O Terminal Designations1815 A19-1835A19-1836 Enet Drive Status Indicator DescriptionsName Color State Description LinkA19-1844 A19-1925Prestart Icvc Alert CodesMessage AlertRUN Capacity LimitedSensor Alert FaultPrimary Secondary Primary Cause Additional CAUSE/REMEDY LOW OILVFD Speed Alert LossCommunication System AlertIcvc Alarm Codes Failure to StopProtective Limit 235 233234 236Unused Unused StateSensor Fault VFD GatewayCode Fault Type Description Corrective Action On VFDVFD Hist Screen None113 Hist ScreenNone 124Diode Checks Meter Lead Meter ReadingA19-1814Fig Check DC Bus Terminals A19-1831Fig Open Access DoorFrames 6 and 7 Power Terminal Block A19-1816Fig Removing EnclosureA19-1817A19-1818 A19-1837A19-1838 Comm Card A19-1819CB2 FU1-FU3 PT1 Secondary Side Toward Door A19-1847CR1 EA1 Line CR6 CB1 TB4 TB4 Dist SideA19-1848 Frame 6 PartsAppendix a Wiring Schematics Chiller Control Schematic A19-1946RHS A19-1947Hgbp UPCA19-1966 A19-1967 ShldA48-8578 A48-8579Table B Baud Selection Table Appendix B Optional Bacnet Communications WiringTable a SW3 Protocol Switch Settings For MS/TP A48 8580Table C MS/TP Wiring Recommendations A48-8582CMP Wiring Specifications Recommended Vendors and Part NumbersRmcorp LED Status Table E LED Status IndicatorsRUN LED Error LED Status RunObject ID Object Name CHW Page Copyright 2011 Carrier Corporation

19XRV specifications

The Carrier 19XRV is a cutting-edge rooftop chiller designed to provide reliable and efficient cooling solutions for a wide range of applications, including commercial buildings and industrial facilities. This advanced system integrates the latest technologies and innovative features to ensure optimal performance, energy efficiency, and ease of use.

One of the most prominent features of the 19XRV is its advanced inverter-driven compressor technology. This allows the chiller to adjust its capacity seamlessly based on the building's cooling demand. By varying the speed of the compressor, the 19XRV maximizes energy efficiency and minimizes operational costs, especially during partial load conditions. This capability not only enhances comfort but also contributes to reduced energy consumption, making it a sustainable choice for environmentally conscious users.

In addition to the inverter technology, the 19XRV incorporates a microchannel coil design. This design optimizes heat exchange efficiency and reduces the refrigerant charge, which is an essential factor in lowering greenhouse gas emissions. The microchannel coils also allow for more compact dimensions, making installation easier and maximizing rooftop space usage.

Another significant aspect of the Carrier 19XRV is its robust controls system. Equipped with Carrier’s advanced ComfortLink™ controls, this chiller offers precise monitoring and control over its operation. Users can easily integrate the chiller into building management systems for real-time data access and efficiency analytics. This connectivity ensures that operators can make informed decisions to optimize performance continuously.

The 19XRV also includes features aimed at enhancing reliability and durability. Its structural design incorporates corrosion-resistant materials, allowing the unit to withstand harsh environmental conditions. This reliability translates to lower maintenance requirements and extended equipment lifespan, providing excellent value over time.

Moreover, the chiller is designed for quiet operation, making it suitable for applications where low noise levels are essential. Sound-dampening measures ensure that the 19XRV can be utilized in urban environments or near sensitive areas without causing disturbances.

In conclusion, the Carrier 19XRV is a state-of-the-art rooftop chiller that combines efficiency, technology, and durability. Its inverter-driven compressor, microchannel coil design, advanced controls, and robust construction make it an ideal choice for those looking to maintain comfort while minimizing energy usage and environmental impact. Whether for commercial or industrial applications, the 19XRV stands out as a reliable and innovative cooling solution for the modern age.
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