Carrier 19XR Specifications

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 2

10There is a display on the front of the Benshaw, Inc., solid-state starters that is useful for troubleshooting and startercheckout. The display indic

100 LEGENDAUX —AuxiliaryBRG —BearingC —ContactorCB —Circuit BreakerCCM —Chiller Control ModuleCCN —Carrier Comfort NetworkCOM

101 LEGENDAUX —AuxiliaryBRG —BearingC —ContactorCB —Circuit BreakerCCM —Chiller Control ModuleCCN —Carrier Comfort NetworkCOMP’

102 AUX —AuxiliaryC —ContactorCB —Circuit BreakerCCM —Chiller Control ModuleCOMM —CommunicationCOMPR —CompressorDISCH —Discharge

103 AUX —AuxiliaryC —ContactorCB —Circuit BreakerCT —Current TransformerDS —Disconnect SwitchFU —FuseG —GroundFig. 48 — Cutler-

104 AUX —AuxiliaryC —ContactorCB —Circuit BreakerCT —Current TransformerDS —Disconnect SwitchFU —FuseG —GroundFig. 49 — Cutler-

105Fig. 50 — Ground Fault Phase Current OptionFig. 51 — Separate Metering OptionLEGENDAM —AmmeterCT —Current TransformerISM —Integrated Starter Module

106Fig. 52 — Benshaw, Inc. Solid-State Unit Mounted Starter Wiring Schematic (Low Voltage)

107Fig. 52 — Benshaw, Inc. Solid-State Unit Mounted Starter Wiring Schematic (Low Voltage) (cont)AUX —AuxiliaryBR —Bridge RectifierCB —Circuit Breaker

108Fig. 53 — Typical Across-the-Line Starter Wiring Schematic (Medium Voltage) LEGENDAUX —AuxiliaryC —ContactorCB —Circuit

109Fig. 54 — Typical Primary Reactor Starter Wiring Schematic (Medium Voltage) LEGENDAUX —AuxiliaryC —ContactorCB —Circuit

11General — The 19XR hermetic centrifugal liquid chillercontains a microprocessor-based control center that monitorsand controls all operations of the

110Fig. 55 — Typical Autotransformer Starter Wiring Schematic (Medium Voltage) LEGENDAUX —AuxiliaryC —ContactorCB —Circuit

111Fig. 56 — Typical Variable Frequency Drive (VFD) Wiring Schematic

112Fig. 56 — Typical Variable Frequency Drive (VFD) Wiring Schematic (cont)

113Fig. 56 — Typical Variable Frequency Drive (VFD) Wiring Schematic (cont)

114Fig. 56 — Typical Variable Frequency Drive (VFD) Wiring Schematic (cont)

115Fig. 56 — Typical Variable Frequency Drive (VFD) Wiring Schematic (cont)

116Fig. 56 — Typical Variable Frequency Drive (VFD) Wiring Schematic (cont)

117 AUX —AuxiliaryCB —Circuit BreakerCCM —Chiller Control ModuleCCN —Carrier Comfort NetworkCOMM —CommunicationsCT —Currrent TransformerCVC —Chiller V

118INDEXAbbreviations and Explanations, 4Adding Refrigerant, 71Adjusting the Refrigerant Charge, 72After Extended Shutdown, 67After Limited Shutdown,

119INDEX (cont)Start the Chiller, 66Stop the Chiller, 66Storage Vessel, 7Summary (Lubrication Cycle), 8Surge Prevention Algorithm (Fixed Speed Chiller

12FITTING (HIDDEN) PANEL ACTUATOR CABLE PANEL CABLEWATERSENSORCABLESWATERSENSORCABLESCOOLERPRESSURETRANSDUCERCONNECTIONCONDENSERPRESSURECABLESCHRADERF

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 2

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 2

CL-2INSPECT WIRING AND RECORD ELECTRICAL DATA:RATINGS:Motor Voltage Motor(s) Amps Oil Pump Voltage Starter LRA Rating Line Voltages: Moto

CL-3CUT ALONG DOTTED LINE CUT ALONG DOTTED LINE- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

CL-4NOTE: Default setting is OCCUPIED 24 hours/day.NOTE: Default setting is UNOCCUPIED 24 hours/day.NOTE: Default setting is OCCUPIED 24 hours/day.19X

CL-5CUT ALONG DOTTED LINE CUT ALONG DOTTED LINE- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

CL-619XR, XRV PIC II OPTIONS TABLE CONFIGURATION SHEETDESCRIPTION RANGE UNITS DEFAULT VALUEAuto Restart Option0/1 DSABLE/ENABLE DSABLERemote Contacts

CL-7CUT ALONG DOTTED LINE CUT ALONG DOTTED LINE- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

13The PIC II can interface with the Carrier Comfort Network(CCN) if desired. It can communicate with other PIC I or PICII equipped chillers and other

CL-819XR, XRV PIC II SETUP2 TABLE CONFIGURATION SHEETDESCRIPTION STATUS UNITS DEFAULT VALUECapacity ControlProportional Inc Band2 to 10 6.5Proportiona

CL-9CUT ALONG DOTTED LINE CUT ALONG DOTTED LINE- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

CL-1019XR, XRV PIC II RAMP_DEM TABLE CONFIGURATION SHEET19XR, XRV PIC II TEMP_CTL TABLE CONFIGURATION SHEETDESCRIPTION RANGE UNITS DEFAULT VALUEPulldo

CL-11CUT ALONG DOTTED LINE CUT ALONG DOTTED LINE- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

CL-12UNIT-MOUNTED VFD CONFIGURATION SHEET*Variable by job — refer to component nameplates and labels.DESCRIPTION PARAMETER RANGE DEFAULT COMMENTSMaxim

CL-13CUT ALONG DOTTED LINE CUT ALONG DOTTED LINE- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 2

14Fig. 12 — Control PanelFig. 13 — Power Panel

15CVC Operation and Menus (Fig. 14-20)GENERAL• The CVC display automatically reverts to the defaultscreen after 15 minutes if no softkey activity take

16• Press to leave the selected decision or field with-out saving any changes.• Press to leave the selected decision or field andsave changes.• Pr

17•CCNLOCAL RESETMENUDEFAULT SCREENStart Chiller In CCN ControlStart Chiller in Local ControlClear AlarmsSTATUSSCHEDULE SETPOINTSERVICE(SOFTKEYS)Acces

18•NEXTPREVIOUSSELECTEXITSERVICE TABLEDisplay Alarm History(The table holds up to 25 alarms and alerts with the most recent alarm at the top of the

19NEXTPREVIOUSSELECTEXITSERVICE MENU CONTINUEDFROM PREVIOUS PAGESelect a Service TableSelect a Service Table ParameterNEXTPREVIOUSSELECTEXITModify a S

2CONTENTSPageSAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20For Discrete Points — Press or to se-lect the desired state.For Analog Points — Press or to select the desired value.3. Press to register t

217. Press to register the values and to move hori-zontally (left to right) within a period.8. Press to leave the period or override.9. Either ret

22Table 2 — CVC Display Data1. Only 12 lines of information appear on the CVC screen at anyone time. Press the or softkey to highlighta point or t

23Table 2 — CVC Display Data (cont)EXAMPLE 2 — MAINTSTAT DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press ( will

24Table 2 — CVC Display Data (cont)EXAMPLE 4 — COMPRESS DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press .3. Scroll

25Table 2 — CVC Display Data (cont)EXAMPLE 6 — POWER DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press .3. Scroll d

26Table 2 — CVC Display Data (cont)EXAMPLE 8 — CVC_PSWD DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press .3. Scro

27Table 2 — CVC Display Data (cont)EXAMPLE 11 — OVERRIDE DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press .3. Scr

28Table 2 — CVC Display Data (cont)EXAMPLE 13 — ISM_HIST DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press .3. Scr

29Table 2 — CVC Display Data (cont)EXAMPLE 15 — NET_OPT DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press .3. Scro

3CONTENTS (cont)PageCheck Optional Pumpout CompressorWater Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53Check Relief V

30Table 2 — CVC Display Data (cont)EXAMPLE 17 — OPTIONS DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press .3. Scro

31Table 2 — CVC Display Data (cont)EXAMPLE 19 — SETUP2 DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press .3. Scrol

32Table 2 — CVC Display Data (cont)EXAMPLE 21 — RAMP_DEM DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press .3. Scr

33PIC II System FunctionsNOTE: Words not part of paragraph headings and printed in allcapital letters can be viewed on the CVC (e.g., LOCAL, CCN,RUNNI

34The PROPORTIONAL ECW GAIN can be adjusted on theCVC display for values of 1, 2, or 3; the default setting is 2.Increase this setting to increase gui

35Table 3 — Protective Safety Limits and Control SettingsShunt Trip (Option) — The function of the shunt tripoption on the PIC II is to act as a safet

36Ramp Loading — The ramp loading control slows downthe rate at which the compressor loads up. This control can pre-vent the compressor from loading u

37Table 4 — Capacity OverridesSpare Safety Alarm Contacts — One set of alarmcontacts is provided in the starter. The contact ratings are pro-vided in

38Condenser Freeze Prevention — This control algo-rithm helps prevent condenser tube freeze-up by energizing thecondenser pump relay. The PIC II contr

39To configure Reset Type 2, enter the temperature of the re-mote sensor at the point where no temperature reset will occur(REMOTE TEMP –> NO RESET

4CONTENTS (cont)PageInspect the Heat Exchanger Tubesand Flow Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74• COOLER AND FLOW DE

40reduce the lift experienced by the compressor and help preventa surge condition.Surge Prevention Algorithm with VFD — This isan operator configurabl

41Lead/Lag Control — The lead/lag control system auto-matically starts and stops a lag or second chiller in a 2-chillerwater system. A third chiller c

42Standby Chiller Configuration and Operation — A chiller isdesignated as a standby chiller when its LEAD/LAG CONFIG-URATION value on the LEADLAG scre

43Ice Build Control — The ice build control option auto-matically sets the CONTROL POINT of the chiller to a temper-ature that allows ice building for

443. Remote Contacts/Ice Level Input — Compressor opera-tion terminates when the ICE BUILD TERMINATIONparameter is set to 1 (CONTACTS) and the remote

45Service Operation — An overview of the tables andscreens available for the SERVICE function is shown inFig. 18.TO ACCESS THE SERVICE SCREENS — When

46START-UP/SHUTDOWN/RECYCLE SEQUENCE (Fig. 26)Local Start-Up — Local start-up (or a manual start-up) isinitiated by pressing the menu softkey on the

47Shutdown Sequence — Chiller shutdown begins ifany of the following occurs:• the STOP button is pressed for at least one second (thealarm light blink

48BEFORE INITIAL START-UPJob Data Required• list of applicable design temperatures and pressures(product data submittal)• chiller certified prints• st

49Fig. 28 — 19XR Leak Test Procedures

5CHILLER FAMILIARIZATION(Fig. 1 and 2)Chiller Information Nameplate — The informationnameplate is located on the right side of the chiller controlpane

50Leak Test Chiller — Due to regulations regarding refrig-erant emissions and the difficulties associated with separatingcontaminants from the refrige

51Fig. 29 — Typical Optional Pumpout System Piping Schematic with Storage TankFig. 30 — Typical Optional Pumpout System Piping Schematic without Stora

52Table 5A — HFC-134a Pressure —Temperature (F)Table 5B — HFC-134a Pressure —Temperature (C)TEMPERATURE,FPRESSURE(psig)06.5027.5248.6069.66810.791011.

53Chiller Dehydration — Dehydration is recommended ifthe chiller has been open for a considerable period of time, ifthe chiller is known to contain mo

542. On low-voltage compressors (600 v or less) connect avoltmeter across the power wires to the compressor start-er and measure the voltage. Compare

55MECHANICAL STARTER1. Check all field wiring connections for tightness, clear-ance from moving parts, and correct connection.2. Check the contactor(s

56CHANGE CVC CONFIGURATION IF NECESSARY —From the SERVICE table, access the CVC CONFIGU-RATION screen. From there, view or modify the CVC CCNaddress,

57CHANGE THE BENSHAW INC., RediStart MICRO™SOFTWARE CONFIGURATION IF NECESSARY — Ben-shaw starter configurations are checked and modified from themen

58VERIFY VFD CONFIGURATION AND CHANGEPARAMETERS IF NECESSARYUsing the Keypad — The keypad display is used to monitor,view fault history and adjust the

59VFD Cooling System Leak Inspection1. Check for leaks on the refrigerant cooling flange connec-tions to the VFD enclosure.2. Check for leaks on all t

61235641112131615141787910341819 20 21 22233130292827262524323324Fig. 2 — Typical 19XR Components LEGEND1 —Guide Vane

602. Press .3. Press .4. Press .5. Set TARGET VFD SPEED to 0%.Verify that the ACTUAL VFD SPEED shown on the VFD dis-play is within 0 to 1 Hz.1. Pre

61Protection the VFD Configuration1. Select parameter P.051 from the VFD keypad.2. Press the softkey to access the parameter. Azero will be displaye

62Owner-Modified CCN Tables — The following EQUIP-MENT CONFIGURATION screens are described for refer-ence only.OCCDEFCS — The OCCDEFCS screen contain

63Check Optional Pumpout System Controlsand Compressor — Controls include an on/off switch,a 3-amp fuse, the compressor overloads, an internal thermo

643. Open valve 4 on the pumpout unit and open valves 1a and1b on the chiller cooler and condenser, Fig. 29 and 30.Slowly open valve 2 on the pumpout

653. View the STARTUP display screen and verify the chilledwater and condenser water pumps have energized.4. Verify the oil pump has started and is pr

66MOTOR COMPRESSOR ASSEMBLY — Guide vane actu-ator, transmission, motor cooling system, oil cooling system,temperature and pressure sensors, oil sight

67After Extended Shutdown — Ensure the water sys-tem drains are closed. It may be advisable to flush the watercircuits to remove any soft rust which m

68REFRIGERATION LOG CARRIER 19XR HERMETIC CENTRIFUGAL REFRIGERATION MACHINEPlant MACHINE MODEL NO. MACHINE SERIAL NO. REFRIGERANT TYPE REMARKS: I

69Chillers with Storage Tanks — If the chiller has iso-lation valves, leave them open for the following procedures.The letter “C” describes a closed v

7Factory-Mounted Starter or Variable Fre-quency Drive (Optional) — The starter allows for theproper start and disconnect of electrical energy for the

70TRANSFER REFRIGERANT FROM CHILLER TO PUMP-OUT STORAGE TANK1. Equalize refrigerant pressure.a. Valve positions:b. Slowly open valve 5. When the press

712. Evacuate the refrigerant gas from the chiller condenservessel.a. Access the PUMPDOWN LOCKOUT functionaccessed from the CVC CONTROL TEST table tot

72TESTING WITH REFRIGERANT TRACER — Use an en-vironmentally acceptable refrigerant as a tracer for leak testprocedures. Use dry nitrogen to raise the

73SCHEDULED MAINTENANCEEstablish a regular maintenance schedule based on your ac-tual chiller requirements such as chiller load, run hours, andwater q

74Inspect Refrigerant Float System — Perform thisinspection every 5 years or when the condenser is opened forservice.1. Transfer the refrigerant into

75Water Treatment — Untreated or improperly treated wa-ter may result in corrosion, scaling, erosion, or algae. The ser-vices of a qualified water tre

76TROUBLESHOOTING GUIDEOverview — The PIC II has many features to help the op-erator and technician troubleshoot a 19XR chiller.• The CVC shows the ch

77TRANSDUCER REPLACEMENT — Since the transducersare mounted on Schrader-type fittings, there is no need to re-move refrigerant from the vessel when re

78Table 11 — CVC Primary and Secondary Messages andCustom Alarm/Alert Messages with Troubleshooting Guides A. MANUAL STOPB. READY TO STARTC. IN RECYCL

79Table 11 — CVC Primary and Secondary Messages andCustom Alarm/Alert Messages with Troubleshooting Guides (cont)D. PRE-START ALERTS: These alerts onl

8Flow to the motor cooling system passes through an orificeand into the motor. Once past the orifice, the refrigerant isdirected over the motor by a s

80Table 11 — CVC Primary and Secondary Messages andCustom Alarm/Alert Messages with Troubleshooting Guides (cont)G. NORMAL RUN WITH OVERRIDES*[LIMIT]

81Table 11 — CVC Primary and Secondary Messages andCustom Alarm/Alert Messages with Troubleshooting Guides (cont)I. CHILLER PROTECT LIMIT FAULTSSTATEP

82Table 11 — CVC Primary and Secondary Messages andCustom Alarm/Alert Messages with Troubleshooting Guides (cont)I. CHILLER PROTECT LIMIT FAULTS (cont

83Table 11 — CVC Primary and Secondary Messages andCustom Alarm/Alert Messages with Troubleshooting Guides (cont)I. CHILLER PROTECT LIMIT FAULTS (cont

84Table 11 — CVC Primary and Secondary Messages andCustom Alarm/Alert Messages with Troubleshooting Guides (cont)J. CHILLER ALERTS (cont)*[LIMIT] is s

85Table 12A — Thermistor Temperature (F) vs Resistance/Voltage DropTEMPERATURE(F)PIC IIVOLTAGEDROP (V)RESISTANCE(Ohms)–254.700 98,010–244.690 94,707–2

86Table 12B — Thermistor Temperature (C) vs Resistance/Voltage DropTEMPERATURE(C)PIC IIVOLTAGE DROP (V)RESISTANCE(Ohms)–334.722 106 880–324.706 100 26

87Control ModulesThe CVC, CCM, and ISM modules perform continuous di-agnostic evaluations of the hardware to determine its condition.Proper operation

88Chiller Control Module (CCM) (Fig. 41)INPUTS — Each input channel has 2 or 3 terminals. Refer toindividual chiller wiring diagrams for the correct t

89STATCOMM THERMISTORSJ4DIFF PRESSUREJ3PRESSUREJ2SW2V/I INPUTSJ5SIOJ7ANALOG OUTJ8J11DISCRETEOUTPUTSJ12DISCRETEOUTPUTSJ124 VACSIOJ6SW1115 VACLL1LL2 1A

9STARTING EQUIPMENTThe 19XR requires a motor starter to operate the centrifugalhermetic compressor motor, the oil pump, and various auxilia-ry equipme

905. Using an ohmmeter, perform the following resistancemeasurements and record the results: If all measured values are greater than 5K ohms, proceedt

91 Table 13A — Heat Exchanger Data (English)NOTES:1. Cooler data: based on a cooler with standard wall tubing, 2-pass,150 psig, nozzle-in-head waterbo

92Table 13B — Heat Exchanger Data (SI)NOTES:1. Cooler data: based on a cooler with standard wall tubing, 2-pass,150 psig, nozzle-in-head waterbox with

93Table 14 — 19XR Additional Data for Marine Waterboxes**Add to heat exchanger data for total weights or volumes.NOTES:1. Weight adder shown is the sa

94Table 16 — 19XR Motor Weights Standard and High Efficiency Motors*Stator weight includes stator and shell.†Rotor weight includes rotor and shaft.NOT

95Table 17A — 19XR Waterbox Cover Weights — English (lb)LEGENDNOTE: Weight for NIH 2-Pass Cover, 150 psig is included in the heat exchanger weights sh

96Table 17B — 19XR Waterbox Cover Weights — SI (kg)LEGENDNOTE: Weight for NIH 2-Pass Cover, 1034 kPa is included in the heat exchanger weights shown i

97Table 18 — Optional Pumpout SystemElectrical DataLEGENDTable 19 — Additional Miscellaneous WeightsTable 20 — Motor Voltage CodeMOTORCODECONDENSERUNI

98Compressor Assembly Torques LEGEND*Not shown.NOTES:1. All clearances for cylindrical surfaces are diametrical.2. Dimensions are with rotor

99VIEW B — HIGH SPEED SHAFT19XR COMPRESSOR CLEARANCESNOTE: All clearances for cylindrical surfaces are diametrical.Fig. 44 — Compressor Fits and Clear