Carrier XRV, 19XR specifications Variable Frequency Drive VFD

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ENTER

OPTIONAL

METER

PACKAGE

 

RUNNING

AUTO

Forward

SPEED

MAN

Reverse

VOLTS

REMOTE

 

 

AMPS

JOG

PROGRAM

RUN

Hz

AUTO

JOB

 

Kw

FORWARD

 

 

TORQUE

REVERSE

ENTER

Password

PROGRAM

 

 

MANUAL RESET

Fig. 7 — Variable Frequency Drive (VFD)

 

 

 

 

+ DC BUS BAR

 

 

 

 

MEASUREMENT

 

 

 

 

- POINT

INTEGRATED

 

 

 

 

STARTER

 

 

 

 

MODULE

 

 

 

 

(ISM)

 

 

 

 

 

 

 

 

INITIAL DC BUS

 

 

 

 

MEASUREMENT

 

 

 

 

POINT

OIL PUMP

 

 

 

+ DANGER -

DISCONNECT

 

 

 

HIGH VOLTAGE

 

 

 

 

CONTROL

 

 

 

AUTO Forward

 

SPEED

RUNNING

MAN Reverse

 

VOLTS

REMOTE

 

 

AMPS

JOG

RUN

AND OIL

 

Hz

AUTO

JOB

LINE

Kw

FORWARD

 

TORQUE REVERSE

ENTER

Password PROGRAM

HEATER

 

 

 

 

 

 

 

DISCONNECT

 

 

 

VFD

 

 

 

 

 

 

 

 

MODULE

 

LOAD

 

 

 

 

 

 

 

COOLING LINES

COMPRESSOR

 

 

 

 

MOTOR

 

 

 

 

DISCONNECT

 

TXV

 

 

 

 

 

 

Fig. 8 — Variable Frequency Drive (VFD) Starter Internal View

General — The 19XR hermetic centrifugal liquid chiller contains a microprocessor-based control center that monitors and controls all operations of the chiller (see Fig. 9). The microprocessor control system matches the cooling capacity of the chiller to the cooling load while providing state-of-the-art chiller protection. The system controls cooling load within the set point plus the deadband by sensing the leaving chilled water or brine temperature and regulating the inlet guide vane via a mechanically linked actuator motor. The guide vane is a vari- able flow pre-whirl assembly that controls the refrigeration ef- fect in the cooler by regulating the amount of refrigerant vapor flow into the compressor. An increase in guide vane opening increases capacity. A decrease in guide vane opening decreases capacity. The microprocessor-based control center protects the chiller by monitoring the digital and analog inputs and execut- ing capacity overrides or safety shutdowns, if required.

PIC II System Components — The chiller control system is called the PIC II (Product Integrated Control II). See Table 1. The PIC II controls the operation of the chiller by monitoring all operating conditions. The PIC II can diagnose a problem and let the operator know what the problem is and what to check. It promptly positions the guide vanes to main- tain leaving chilled water temperature. It can interface with auxiliary equipment such as pumps and cooling tower fans to turn them on when required. It continually checks all safeties to prevent any unsafe operating condition. It also regulates the oil heater while the compressor is off and regulates the hot gas by- pass valve, if installed. The PIC II controls provide critical pro- tection for the compressor motor and controls the motor starter.

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Contents Safety Considerations Start-Up, Operation, and Maintenance InstructionsContents Contents Abbreviations and Explanations Introduction19XR Identification Chiller FamiliarizationTypical 19XR Components Motor and Lubricating OIL Cooling Cycle Refrigeration CycleLubrication Cycle VFD Cooling CycleUnit-Mounted Solid-State Starter Optional Starting EquipmentDefinitions Unit-Mounted Wye-Delta Starter OptionalControls Variable Frequency Drive VFD 19XR Controls and Sensor Locations PIC II Component Panel Location Major PIC II Components Panel LocationsControl Panel CVC/ICVC Operation and Menus Fig Example of Status Screen 19XR Chiller Display Menu Structure CVC/ICVC 19XR Service Menu Structure Time and Date Example of Time Schedule Operation Screen Example of Set Point Screen CVC/ICVC Display Data Example 1 Chiller Display Default ScreenStartup Description Status Units Point Example 2 Maintstat Display ScreenDescription Status Units Point Example 3 Startup Display ScreenExample 5 Heatex Display Screen Example 4 Compress Display ScreenExample 7 Ismstat Display Screen Example 6 Power Display ScreenExample 9 Setpoint Display Screen Menu Setpoint Select Description Status Units Point DefaultExample 8 CVC/ICVCPSWD Display Screen CVC Icvc Description Status Units PointExample 12 Llmaint Display Screen Example 11 Override Display ScreenControl Algorithm Status Override Description Units Point Control Algorithm Status Wsmdefme Description Units Point Example 13 Ismhist Display ScreenExample 14 Wsmdefme Display Screen Example 16 Ismconf Display Screen ISM Starter Config DataIsmconf Description Status Units Point Default Example 15 Netopt Display ScreenExample 17 Options Display Screen Example 18 SETUP1 Display ScreenSpare ALERT/ALARM Enable LAG=2, STANDBY=3 Example 19 SETUP2 Display ScreenExample 20 Leadlag Display Screen Example 22 Tempctl Display Screen Description Status Units Point DefaultReset Type Example 21 Rampdem Display ScreenPIC II System Functions Normal Control mode occurs when Active Delta TSurge Prevention Mode occurs when Active Delta T Mode IGV VFDPage Protective Safety Limits and Control Settings Page Capacity Overrides Evaporator Freeze Protection Icvc only a Page Head Pressure Reference Output Surge Protection Fixed Speed ChillerPage Page Point Example of Attach to Network Device Screen Example of Holiday Period Screen Local Start-Up Local start-up or a manual start-up is Default CVC/ICVC screen, press the MenuSTART-UP/SHUTDOWN Recycle Sequence FigEntering Condenser Water temperature plus 3 F -1.6C Equipment Required Before Initial START-UPJob Data Required 19XR Leak Test Procedures Page Page Temperature Pressure HFC-134a Pressure Temperature FHFC-134a Pressure Temperature C Perform dehydration as follows Inspect WiringWhite G Check StarterManufacturer Cable no Software Configuration Parameter Benshaw RediStart Micro Menu Items Verify VFD Configuration and Change Parameters if Necessary Description Settings VFD Title Setting ParameterDescription Setting Press Menu Press Status Press Compress Press Select Press Status Press Compress Press SelectLoad Surge Prevention Occurs TOO Soon Occurs TOO Late Estimated Minimum Load ConditionsCCM Temperature Thermistors Tests to be Devices Tested Performed Charge Refrigerant into ChillerControl Test Menu Functions Refrigerant HFC-134a Charge Initial START-UPCheck Oil Pressure and Compressor Stop Dry Run to Test Start-Up SequenceCheck Motor Rotation To Stop the Chiller Operating InstructionsOperator Duties To Start the ChillerOperating the Optional Pumpout Unit Pumpout and Refrigerant Transfer ProceduresFLA Date Cooler Condenser CompressorTime BearingValve Condition Turn off pumpout condenser waterChillers with Isolation Valves Test After Service, Repair, or Major Leak If General MaintenanceGuide Vane Actuator Linkage Weekly MaintenanceCheck Safety and Operating Controls Monthly Scheduled MaintenanceInspect the Heat Exchanger Tubes and Flow Devices Compressor Bearing and Gear MaintenanceOptional Pumpout System Controls Ordering Replacement Chiller Parts WhenChecking Pressure Transducers Troubleshooting GuideOccdefcm HeatexLlmaint Ready to Start Terminate Pumpdown ModeShutdown in Progress ICE BuildRunning Temp Control PrestartAlert Autorestart in ProgressSensor FaultRUN Capacity LimitedStop ProtectiveFailure to StartFREEZE-UP LossCommunication PotentialPending Sensor AlertLOW OIL Pressure AutorestartDiffuser Pressure AlertRecycle Option SensorDrop Thermistor Temperature F vs. Resistance/Voltage DropTemperature PIC Resistance Thermistor Temperature C vs. Resistance/Voltage DropControl Modules Power is connected to Plug J1 on each moduleReplacing Defective Processor Modules Chiller Control Module CCM FigIntegrated Starter Module Fig Integratedstartermodule Checked Measure SCR Pairs Recorded Being BetweenNumber of Tubes English Code Heat Exchanger Data EnglishNumber of Tubes Code Heat Exchanger Data SI19XR Additional Data for Marine Waterboxes Compressor WeightsEnglish Motor 19XR Motor Weights Standard and High Efficiency Motors19XR Waterbox Cover Weights English lb 19XR Waterbox Cover Weights SI kg Motor Voltage Code Additional Miscellaneous WeightsOptional Pumpout System Electrical Data Description Torque Compressor Assembly TorquesCompressor Code View B High Speed Shaft 19XR Compressor ClearancesAllen-Bradley Wye-Delta Unit-Mounted Starter 100101 ISM 102Temp 103104 105 106 107 Power Panel Wiring Schematic108 Cutler-Hammer Wye Delta Unit Mounted Starter Sizes 3-5DP109 Cutler-Hammer Wye Delta Unit Mounted Starter Size 6DPSeparate Metering Option Ground Fault Phase Current Option111 AUX 112FU Fuse 113114 VFD 115116 Typical Variable Frequency Drive VFD Wiring Schematic117 118 119 120 121 122 Index Index JOB Data Required Remove and use for job fileCL-2 Inspect Wiring and Record Electrical Data Ratings15 to 40 to 10010 to 60.0CL-4 85 to 200 to460 105 to 115CL-6 30 to50 to 20 to Psi125 to 150 to90 to 125Amp 250 CL-8 65 to90 to 100 CL-9 25 toCL-10 50 to 145CL-11 0000 to0200 0000 to 0200000 100 to Selected line voltage 002 Power Module Dependent Selected motor 100% amps004 To H.022 Job Sheet 60 for 60 Hz and 50 for 50 Hz 028 10 to Job Sheet 60 for 60 Hz and 50 for 50 HzCL-13 CL-14 CCN Local ResetPage Incurring obligations
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19XR, XRV specifications

The Carrier 19XR and 19XRV chillers are sophisticated cooling solutions that represent the forefront of HVAC technology. Designed for large commercial and industrial applications, these chillers provide exceptional performance, energy efficiency, and reliability, making them ideal for a variety of environments ranging from hospitals to manufacturing facilities.

One of the most significant features of the Carrier 19XR and 19XRV chillers is their advanced scroll compressor technology. These units employ a tandem scroll design that enhances efficiency while minimizing operational noise. This makes them ideal for urban environments where noise restrictions may be in place. Moreover, the compressors are equipped with variable speed drive options in the 19XRV model, which allows for greater energy savings by adjusting cooling output based on real-time demand.

In addition to their advanced compressors, the 19XR and 19XRV units incorporate the Carrier GreenChoice refrigerant, which has a lower global warming potential compared to traditional refrigerants. This innovative choice not only meets regulatory requirements but also contributes to sustainability goals, making these chillers a responsible choice for environmentally conscious organizations.

The units are engineered with a robust heat exchanger design, which enhances heat transfer efficiency and overall system performance. This ensures optimal operation even in extreme conditions. They feature a microprocessor-based control system that allows for precise monitoring and control of the chiller’s performance, enabling operators to make real-time adjustments to maximize energy efficiency.

The Carrier 19XR and 19XRV chillers also prioritize serviceability. The design incorporates easy access to key components, simplifying maintenance procedures and reducing downtime. This focus on maintainability extends the lifespan of the equipment, leading to lower lifecycle costs.

In terms of connectivity, these chillers are equipped with advanced Building Management System (BMS) integration capabilities. This allows for seamless monitoring and control of the chillers using a centralized platform, facilitating energy management and operational optimization.

Overall, the Carrier 19XR and 19XRV chillers stand out in the market for their blend of cutting-edge technology, energy efficiency, and user-friendly features. They are engineered to meet the demanding needs of modern commercial and industrial applications, making them a preferred choice for facility managers seeking reliable cooling solutions.
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