Carrier XRV Specifikace Strana 1

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

10STARTING EQUIPMENTAll 19XRV units are equipped with a VFD to operate thecentrifugal hermetic compressor motor. A power panel controlsthe oil pump, a

100Table 16 — Alarm and Alert Messages (cont)J. CHILLER ALERTS (cont)*[LIMIT] is shown on the ICVC as the temperature, pressure, voltage, etc., set po

101Table 17 — Fault Code Descriptions and Corrective ActionsFault Type indicates if the fault is:1 — Auto-resettable2 — Non-resettable3 — User-configu

102Table 17 — Fault Code Descriptions and Corrective Actions (cont)Fault Type indicates if the fault is:1 — Auto-resettable2 — Non-resettable3 — User-

103Table 17 — Fault Code Descriptions and Corrective Actions (cont)Fault Type indicates if the fault is:1 — Auto-resettable2 — Non-resettable3 — User-

104Table 17 — Fault Code Descriptions and Corrective Actions (cont)Fault Type indicates if the fault is:1 — Auto-resettable2 — Non-resettable3 — User-

105Table 18A — Thermistor Temperature (F) vs. Resistance/Voltage DropTEMPERATURE(F)PIC IIIVOLTAGEDROP (V)RESISTANCE(Ohms)–25 4.700 97,706–24 4.690 94,

106Table 18B — Thermistor Temperature (C) vs. Resistance/Voltage DropTEMPERATURE(C)PIC IIIVOLTAGEDROP (V)RESISTANCE(Ohms)–33 4.722 105 616–32 4.706

107Control ModulesThe ICVC and CCM modules perform continuous diagnos-tic evaluations of the hardware to determine its condition. Proper operation of

108Replacing Defective Processor Modules — The module replacement part number is printed on a small label on the rear of the ICVC module. The chiller

109release the force on SERVICE ONTIME after the desired value has been set.9. Perform the guide vane calibration procedure (in Control Test). Check a

11OPTIONAL METERPACKAGEFig. 5 — LF2 Variable Frequency Drive (VFD) External442A AND 608A VFDs900A AND 1200A VFDsa19-1718a19-1725

110DRIVE STATUS INDICATOR — The DRIVE status indica-tor is on the right side of the Gateway. See Table 19.Table 19 — DRIVE Status IndicatorMS STATUS I

111 Table 23A — 19XR Heat Exchanger Data — Drive End Entering Cooler Water*Rigging weights are for standard tubes of standard wall thickness (0.02

112Table 23A — 19XR Heat Exchanger Data — Drive End Entering Cooler Water (cont)*Rigging weights are for standard tubes of standard wall thickness (0.

113Table 23B — 19XR Heat Exchanger Data — Compressor End Entering Cooler Water*Rigging weights are for standard tubes of standard wall thickness (0.02

114Table 23B — 19XR Heat Exchanger Data — Compressor End Entering Cooler Water (cont)*Rigging weights are for standard tubes of standard wall thicknes

115Table 24 — 19XRV Additional Data for Marine Waterboxes**Add to heat exchanger data for total weights or volumes.NOTE: For the total weight of a ves

116 Table 26A — 19XRV Compressor and Motor Weights* — Compressor Frame Size 2†*Total compressor weight is the sum of the compressor aerodynamic compon

117 Table 26B — 19XRV Compressor and Motor Weights* — Compressor Frame Size 3† (cont)*Total compressor weight is the sum of the compressor aerodynamic

118 Table 26B — 19XRV Compressor and Motor Weights* — Compressor Frame Size 3† (cont)*Total compressor weight is the sum of the compressor aerodynamic

119 Table 26C — 19XRV Compressor and Motor Weights* — Compressor Frame Size 4†*Total compressor weight is the sum of the compressor aerodynamic compon

124125368711, 117131618191, 214, 15, 19, 103456 9111012, 13, 715, 77, 814161712Fig. 6 — LF2 Variable Frequency Drive (VFD) Internal442A AND 608A VFDs9

120 Table 26C — 19XRV Compressor and Motor Weights* — Compressor Frame Size 4† (cont)*Total compressor weight is the sum of the compressor aerodynamic

121 Table 26D — 19XRV Compressor and Motor Weights* — Compressor Frame Size 5† (cont)*Total compressor weight is the sum of the compressor aerodynamic

122 Table 26D — 19XRV Compressor and Motor Weights* — Compressor Frame Size 5† (cont)*Total compressor weight is the sum of the compressor aerodynamic

123Table 27A — 19XRV Waterbox Cover Weights — English (lb) LEGENDNOTE: Weight for NIH 2-pass cover, 150 psig, is included in th

124Table 27A — 19XRV Waterbox Cover Weights — English (lb) (cont) LEGENDNOTE: Weight for NIH 2-pass cover, 150 psig, is included in the

125Table 27A — 19XRV Waterbox Cover Weights — English (lb) (cont) LEGENDNOTE: Weight for NIH 2-pass cover, 150 psig, is included in

126Table 27B — 19XRV Waterbox Cover Weights — SI (kg) LEGENDNOTE: Weight for NIH 2-pass cover, 1034 kPa, is included in the hea

127Table 27B — 19XR Waterbox Cover Weights — SI (kg) (cont) LEGENDNOTE: Weight for NIH 2-pass cover, 1034 kPa, is included in t

128Table 27B — 19XR Waterbox Cover Weights — SI (kg) (cont) LEGENDNOTE: Weight for NIH 2-pass cover, 1034 kPa, is included in the heat ex

129Table 28 — 19XRV Component Weights*To determine compressor frame size, refer to 19XR,XRV Computer Selection Program.†Included in total cooler weigh

132512431514131181412108371161095678222019211816172324202526*The inverter control assembly (item 16) and rectifier control assembly (item 18) are phys

13019XRV COMPRESSOR FITS AND CLEARANCES (in.)*Depends on impeller size, contact your Carrier Service Represen-tative for more information.NOTES:1. Al

131C1BTHRUSTTHRUSTC1C2BVIEW A1LOW SPEED SHAFT THRUST DISKVIEW A2LOW SPEED SHAFT THRUST DISKa19-1636a19-1637POF1HEF2KIJIMPELLER SHIMMINGTO BE DETERMINE

132+0.0007-0.00070.00110.0013THRUST0.0250.005INTERFERENCE0.00110.0013INTERFERENCE+0.0007-0.00070.00500.00200.00120.0004NMVIEW B — HIGH SPEED SHAFT (FR

133LEGEND FOR FIG. 53-58MOTOR LEAD INSTALLATION LABELS19XRV COMPRESSOR ASSEMBLY TORQUESFig. 52 — Compressor Fits and Clearances (cont)ITEMCOMPRESSOR F

134NOISESUPPRESSORVFD COOLANTSOLENOID)RLC()KLB()NRB((BRN)RMS+S-RELATIVEHUMIDITY(BLK)(WHT)(RED)JUMPERJUMPERRSTOPICVCALARMJ7J1J85424VAC32G+-1(RED)(GRY)(

135Fig. 53 — Typical Electronic PIC III Control Panel Wiring Schematic (cont)(RED)(BLK)(BRN) (BRN)(WHT)T224VAC(GRN)(RED)(RED)(BLU)(BLU)(BLK)SOLENOIDHG

136TO VFD(RED)(CLR)TO CCM J7-1*(RED)TO CCM J7-3*(BLK)TO CCM J7-2*(BLK)(BLK)(BLK)COMPR DISCHHIGH PRESSTO CCM J1-2*TO CB1*(RED) (GRY)SOLENOIDVFD COOLANT

137Fig. 55 — 19XRV 442A and 608A Chiller Control Schematica19-1733

138UPC12Fig. 55 — 19XRV 442A and 608A Chiller Control Schematic (cont)a19-1997

139Fig. 55 — 19XRV 442A and 608A Chiller Control Schematic (cont)a19-2015312

1411817163151413646X322X5UNDER TOP COVER7891011122XFig. 7 — LF2 Power Module Components (cont)Door OpenDoor Closeda19-1728a19-1729900A AND 1200A VFDs1

140Fig. 56 — 19XRV 900A and 1200A Chiller Control Schematica19-1736

141UPC12Fig. 56 — 19XRV 900A and 1200A Chiller Control Schematic (cont)a19-1999

142Fig. 56 — 19XRV 900A and 1200A Chiller Control Schematic (cont)a19-2016312

143Fig. 57 — 19XRV 442A and 608A Chiller VFD Schematic120V_N120VSWITCHEDMETERS W/SWITCH(OPTIONAL)VOLTMETERVM1RELAYP1-9P1-12A2 LINE SYNC PCBP1-14P1-7

144206 208207L2T2A1A2L3T3L1T11314225F231G13A1CONTACTORSPRECHARGEK1AT2L2A2T3L3K1BT1L114231H225CK1CT2L2A1L3A2T3L113T114L2L1L3VFD POWER MODULECOMBINED I/

145Fig. 59 — 19XRV Chiller Control Panel Component Layouta19-2001

146 TB1 − LF2VFD FRAME 3 TB3 − LF2VFD FRAME 4 TB1 − LF2VFD FRAME 4GATE KILL OIL PUMPINTERLOCKPOWERPAN EL OIL PUMPINTERLOCK TB2*†***Fig. 60 — 19XRV

147Fig. 60 — 19XRV Field Wiring — LiquiFlowTM VFD (cont)a19-1714

148LEGEND FOR FIG. 60REFERENCENUMBERDESCRIPTION13 Phase Under/Over Voltage Protection (Line Side)Phase Loss/Imbalance/Reversal Protection (Line Side)F

149NOTES FOR FIG. 60I General1.0 Variable Frequency Drive (VFD) shall be designed and manu-factured in accordance with Carrier engineering requirement

15CONTROLSDefinitionsANALOG SIGNAL — An analog signal varies in proportionto the monitored source. It quantifies values between operatinglimits. (Exam

150 OIL PUMPINTERLOCK OIL PUMPINTERLOCKPOWERPAN ELTB4-1SEENOTE 3.6 Fig. 61 — 19XRV Field Wiring — Standard Tier VFDa19-1950

151Fig. 61 — 19XRV Field Wiring — Standard Tier VFD (cont)a19-1951

152LEGEND FOR FIG. 61REFERENCENUMBEREXPLANATION13 Phase Under/Over Voltage (Line Side)Phase Loss/Imbalance/Reversal (Line Side)Frequency Shift Protect

153NOTES FOR FIG. 61I General1.0 Variable Frequency Drive (VFD) shall be designed and manu-factured in accordance with Carrier engineering requirement

15423423412345REDBLKWHT1515REDBLKWHTREDBLKWHT19XRV CHILLERS LEGENDNOTE: Field supplied terminal strip must be located in control panel.Fig. 62 —

155APPENDIX A — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEXPARAMETERMENU SOFTKEYTABLE SCREEN NAME CONFIGURABLE0% Actual Guide Vane Position SERVICE CONTROL

156APPENDIX A — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont)PARAMETERMENU SOFTKEYTABLE SCREEN NAME CONFIGURABLEChilled Water Delta T STATUS HEAT_EX

157APPENDIX A — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont)PARAMETERMENU SOFTKEYTABLE SCREEN NAME CONFIGURABLECondenser Water Delta P SERVICE CONTRO

158APPENDIX A — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont)PARAMETERMENU SOFTKEYTABLE SCREEN NAME CONFIGURABLEEntering Chilled Water SERVICE CONTROL

159APPENDIX A — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont)PARAMETERMENU SOFTKEYTABLE SCREEN NAME CONFIGURABLEICVC CONFIGURATION SERVICE IGV &a

16INTERNATIONAL CHILLER VISUAL CONTROLLER(ICVC) — The ICVC is the “brain” of the PIC III system. Thismodule contains all the operating software needed

160APPENDIX A — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont)PARAMETERMENU SOFTKEYTABLE SCREEN NAME CONFIGURABLELine Volt Imbalance Time SERVICE VFD C

161APPENDIX A — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont)PARAMETERMENU SOFTKEYTABLE SCREEN NAME CONFIGURABLEOil Pressure DEFAULT SCREEN Oil P

162APPENDIX A — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont)PARAMETERMENU SOFTKEYTABLE SCREEN NAME CONFIGURABLERemote Reset Option STATUS ICVC_PWD

163APPENDIX A — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont)PARAMETERMENU SOFTKEYTABLE SCREEN NAME CONFIGURABLEStop Fault STATUS VFD_STAT Stop Mon

164APPENDIX A — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont)PARAMETERMENU SOFTKEYTABLE SCREEN NAME CONFIGURABLETower Fan Relay High Test SERVICE CONT

165APPENDIX B — LEAD/LAG WIRING 19XR Lead Lag Schematic Series Cooler Flowa19-1655

166APPENDIX B — LEAD/LAG WIRING (cont)19XR Lead Lag Schematic Parallel Cooler Flowa19-1717

167APPENDIX C — MAINTENANCE SUMMARY AND LOG SHEETS19XRV Maintenance Interval RequirementsNOTE: Equipment failures caused by lack of adherence to the M

168APPENDIX C — MAINTENANCE SUMMARY AND LOG SHEETS19XRV Weekly Maintenance LogPlant ___________________________Machine Serial No. ___________________

169APPENDIX C — MAINTENANCE SUMMARY AND LOG SHEETS19XRV Maintenance LogNOTE: Equipment failures caused by lack of adherence to the Maintenance Interva

17CONTROLPANELSIDE VIEWREMOVABLEBOLTHINGECHILLER IDENTIFICATION NAMEPLATEOIL HEATER CONDUITCONTROL PANELPOWER CONDUITOPTIONAL HOT GASBYPASS CONDUIT3C

170APPENDIX C — MAINTENANCE SUMMARY AND LOG SHEETS19XRV Seasonal Shutdown LogNOTE: Equipment failures caused by lack of adherence to the Maintenance I

171APPENDIX D — OPTIONAL BACNET COMMUNICATIONS WIRINGOptional BACnet* Communications Wiring — The following section is used to configure the UPC Open

172APPENDIX D — OPTIONAL BACNET COMMUNICATIONS WIRING (cont)CONFIGURING THE BAS PORT FOR BACNET MS/TP — Use the same baud rate and communication setti

173APPENDIX D — OPTIONAL BACNET COMMUNICATIONS WIRING (cont)To install a BT485 terminator, push the BT485 terminator on to the BT485 connector located

174APPENDIX D — OPTIONAL BACNET COMMUNICATIONS WIRING (cont)Table D — Open System Wiring Specifications and Recommended Vendors LEGENDLO

175APPENDIX D — OPTIONAL BACNET COMMUNICATIONS WIRING (cont)COMMUNICATION LEDS — The LEDs indicate if the controller is communicating with the device

176APPENDIX D — OPTIONAL BACNET COMMUNICATIONS WIRING (cont)Table G — Network Points List LEGENDPOINT DESCRIPTIONCCNPOINT NAMEREAD/WRITEUNI

177APPENDIX D — OPTIONAL BACNET COMMUNICATIONS WIRING (cont)Table G — Network Points List (cont) LEGENDPOINT DESCRIPTIONCCNPOINT NAMEREAD/W

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

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

18CONTROL TRANSFORMERS (T1, T2) — These transform-ers convert incoming control voltage to 24 vac power for the3 power panel contactor relays, CCM, and

CL-2- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

CL-319XRV PIC III SETPOINT TABLE CONFIGURATION SHEETUpload all control configuration tables via service tool? Ye s  No ICV

CL-4- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

CL-519XRV PIC III VFD_CONF TABLE CONFIGURATION SHEETNOTE: Those parameters marked with a * shall not be downloaded to the VFD, but shall be used in ot

CL-6- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

CL-719XRV PIC III SETUP1 TABLE CONFIGURATION SHEETNOTE: No variables are available for CCN read operation. Forcing shall not be supported on service s

CL-8- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

CL-919XRV PIC III LEADLAG TABLE CONFIGURATION SHEETDESCRIPTION RANGE UNITS DEFAULT VA L U ELead Lag Control LEAD/LAG: ConfigurationDSABLE=0,

CL-10- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

CL-11BROADCAST (BRODEF) CONFIGURATION SHEETDESCRIPTION RANGE UNITS DEFAULT VA L U ETime Broadcast Enable DSABLE/ENABLE DSABLEDaylight Savings

19A Refrigerant Saturation Temperature sensor (thermistor) islocated in the base of the evaporator, sensing refrigeranttemperature directly. Evaporato

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

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

20When an alarm is detected, the ICVC default screen willfreeze (stop updating) at the time of alarm. The freeze enablesthe operator to view the chill

21CCN LOCAL RESET MENU DEF AUL T SCREEN Start Chiller In CCN Control Start Chiller in Local Control Clear Alarm s ST AT U S SCHEDULE SETPOINT SER V

22NEXT PREVIOUS SELECT EXI T SER VICE T ABLE Display Alarm History (The table holds up to 25 alarms with the most recent alarm at the top of the sc

23NEXTPREVIOUSSELECTEXITSERVICE MENU CONTINUEDFROM PREVIOUS PAGESelect a Service TableSelect a Service Table ParameterNEXTPREVIOUSSELECTEXITModify a S

24TO VIEW STATUS (Fig. 18) — The status table shows theactual value of overall chiller status such as CONTROLMODE, RUN STATUS, AUTO CHILLED WATER

25Force Indication — A forced value is indicated by“SUPVSR,” “SERVC,” or “BEST” flashing next to the pointvalue on the STATUS table.TIME SCHEDULE OPER

262. There are 5 set points on this screen: BASE DEMANDLIMIT, LCW SETPOINT (leaving chilled water setpoint), ECW SETPOINT (entering chilled water setp

27Table 4 — ICVC Display Data1. Only 12 lines of information appear on the chiller display screenat any one time. Press the or softkey tohighlight

28Table 4 — ICVC Display Data (cont)EXAMPLE 2 — MAINTSTAT DISPLAY SCREENTo access this display from the ICVC default screen:1. Press .2. Press ( wi

29Table 4 — ICVC Display Data (cont)EXAMPLE 4 — STARTUP DISPLAY SCREENTo access this display from the ICVC default screen:1. Press .2. Press .3. Scrol

3CONTENTS (cont)PageStanding Vacuum Test . . . . . . . . . . . . . . . . . . . . . . . . . . 62Chiller Dehydration . . . . . . . . . . . . . . . . .

30Table 4 — ICVC Display Data (cont)EXAMPLE 6 — HEAT_EX DISPLAY SCREENTo access this display from the ICVC default screen:1. Press .2. Press .3. Scrol

31Table 4 — ICVC Display Data (cont)EXAMPLE 7 — POWER DISPLAY SCREENTo access this display from the ICVC default screen:1. Press .2. Press .3. Scroll

32Table 4 — ICVC Display Data (cont)EXAMPLE 8 — VFD_STAT DISPLAY SCREENTo access this display from the ICVC default screen:1. Press .2. Press .3. Scro

33Table 4 — ICVC Display Data (cont)EXAMPLE 11 — CAPACITY DISPLAY SCREENTo access this display from the ICVC default screen:1. Press .2. Press .3. Scr

34Table 4 — ICVC Display Data (cont)EXAMPLE 13 — SURGPREV DISPLAY SCREENTo access this display from the ICVC default screen:1. Press .2. Press .3. Scr

35Table 4 — ICVC Display Data (cont)EXAMPLE 15 — VFD_HIST DISPLAY SCREENTo access this display from the ICVC default screen:1. Press .2. Press .3. Scr

36Table 4 — ICVC Display Data (cont)EXAMPLE 17 — NET_OPT DISPLAY SCREENTo access this display from the ICVC default screen:1. Press .2. Press .3. Scro

37Table 4 — ICVC Display Data (cont)EXAMPLE 19 — OPTIONS DISPLAY SCREENTo access this display from the ICVC default screen:1. Press .2. Press .3. Scro

38Table 4 — ICVC Display Data (cont)EXAMPLE 20 — SETUP1 DISPLAY SCREENTo access this display from the ICVC default screen:1. Press .2. Press .3. Scrol

39Table 4 — ICVC Display Data (cont)EXAMPLE 22 — LEADLAG DISPLAY SCREENTo access this display from the ICVC default screen:1. Press .2. Press .3. Scro

4CONTENTS (cont)PageOptional Pumpout System Maintenance . . . . . . . . . 88• OPTIONAL PUMPOUT COMPRESSOR OIL CHARGE• OPTIONAL PUMPOUT SAFETY CONTROLS

40PIC III System FunctionsCAPACITY CONTROL — Generally the chiller adjusts ca-pacity in response to deviation of leaving or entering chilledwater temp

41When very close temperature control is required, as forsome process applications, the deadband may be reduced.When constant small load changes occur

42DIFFUSER CONTROL — On all units with Frame 5 com-pressors and those Frame 4 compressors with the variable (splitring) diffuser option, the PIC III a

43These schedules can be set up to follow a building’soccupancy schedule, or the chiller can be set so to run 100% ofthe time, if the operator wishes.

44Table 6 — Protective Safety Limits and Control SettingsMONITORED PARAMETERALARM/ALERTLIMIT COMMENTSTemperature Sensors Out of Range260-271,140,141.0

45Table 6 — Protective Limits and Control Settings (cont)MONITORED PARAMETER ALARM/ALERT LIMIT COMMENTSMotor — Surge 238> 5 surge events within SUR

46Ramp Loading — The ramp loading control slows downthe rate at which the compressor loads up. This control can pre-vent the compressor from loading u

47valves are strapped to the oil supply line leaving the heatexchanger, and the valves are set to maintain 110 F (43 C).NOTE: The TXVs are not adjusta

48Kilowatt Output — An output is available on the CCMmodule [Terminal J8-1 (+) and J8-2 (–)] to represent the powerconsumption of the chiller. The 4 t

49The TOWER FAN RELAY LOW and TOWER FAN RELAYHIGH parameters are accessed from the STARTUP screen. Auto. Restart After Power Failure — This optionmay

5Factory-installed additional components are referred to asoptions in this manual; factory-supplied but field-installedadditional components are refer

50quire a measurement of COOLER DELTA T and is thus unaf-fected by changes in flow. With Variable Primary Flow SurgePrevention there is no difference

51by the amount configured in the VFD INCREASE STEP pa-rameter. The VFD will not decrease in speed if SURGECOUNTS is greater than zero. The threshold

52If the entering chilled water control option (ECW CON-TROL OPTION) is enabled (configured in TEMP_CTLscreen) and a common point sensor is desired (C

536. Lead chiller temperature pulldown rate (TEMP PULL-DOWN DEG/MIN on the TEMP_CTL screen) of thechilled water temperature is less than 0.5 F (0.27

54MAINSTAT screen). This value has limits of 40% to 100%. Inaddition, the CONTROL POINT for the lag chiller must bemodified to a value of 3 F (1.67 C)

55TERMINATION OF ICE BUILD — The ice build functionterminates under the following conditions:1. Time Schedule — When the current time on the ice bu

56Service Operation — An overview of the tables andscreens available for the SERVICE function is shown inFig. 17.TO ACCESS THE SERVICE SCREENS — When

577. Press to access the holiday table. The Config-uration Select table now shows the holiday start monthand day, and how many days the holiday peri

58NOTE: The 19XRV units are not available with factory-installed chilled water or condenser water flow devices (avail-able as an accessory for use wit

59Table 9 — Prestart ChecksChilled Water Recycle Mode — The chiller maycycle off and wait until the load increases to restart when thecompressor is ru

6System Components — The components include thecooler and condenser heat exchangers in separate vessels,compressor-motor, lubrication package, control

60Oil Charge — The oil charge for the 19XRV compressordepends on the compressor Frame size:• Frame 2 compressor — 8 gal (30 L)• Frame 3 compressor —

61Fig. 29 — 19XRV Leak Test Proceduresa19-1625

62If the chiller is spring isolated, keep all springs blocked inboth directions to prevent possible piping stress and damageduring the transfer of ref

63STORAGETANK LIQUIDVALVEOILSEPARATORPUMPOUTCONDENSERWATER SUPPLYAND RETURNPUMPOUTCONDENSERSTORAGE TANKVAPOR VA LVE2345PRESSURERELIEF SAFETY VALVEPUMP

64Table 11A — HFC-134a Pressure —Temperature (F)Table 11B — HFC-134a Pressure —Temperature (C)TEMPERATURE,FPRESSURE(psig)0 6.502 7.524 8.606 9.668 10.

65Chiller Dehydration — Dehydration is recommended ifthe chiller has been open for a considerable period of time, ifthe chiller is known to contain mo

66IDENTIFYING THE DRIVE BY PART NUMBER — EachAC drive can be identified by its assembly number. SeeFig. 33. This number appears on the shipping label

67Inspect Wiring 1. Examine the wiring for conformance to the job wiringdiagrams and all applicable electrical codes.2. Connect a voltmeter across the

68SOFTWARE VERSION — The software part number islabeled on the backside of the ICVC module. The softwareversion also appears on the ICVC configura

69VERIFY VFD CONFIGURATION AND CHANGEPARAMETERS IF NECESSARY (Fig. 35)VFD CHILLER FIELD SET UP AND VERIFICATIONLabel Locations — Verify that the follo

719181716151314134576891110122282627262529303132333435362021222324Fig. 2 — Typical 19XRV Components LEGEND1—Guide Van

70Maximum Load T2:54 – 44 = 10º F (12.2 – 6.7 = 5.5º C)Maximum Load P2:120 – 37 = 83 psid (827 – 255 = 572 kPad)To avoid unnecessary surge preventio

71Fine Tuning VPF Surge Prevention — Figures 36-39 showhow the parameters defined below will affect the configuredsurge line.NOTE: Before tuning surge

72failed (with ACTUAL GUIDE VANE POSITION great-er than 60), then perform this step. Do not changeSURGE LINE SHAPE FACTOR from the value speci-fied by

73Table 13 — Control Test Menu Functions*Diffuser tests function only on size 4 and 5 compressor with diffusercontrol enabled.NOTE: During any of the

74If the ICVC fails to accept the high end calibration, thevalue will not change and the display will show “Higher ForceIn Effect.” This indicates tha

75Table 14A — Refrigerant (HFC-134a) Charge with Compressor End Entering Cooler WaterCODEMACHINE CHARGEEnglish Metric (SI)RefrigerantWeight (lb)Refrig

76Table 14B — Refrigerant (HFC-134a) Charge with Drive End Entering Cooler WaterCODEMACHINE CHARGEEnglish Metric (SI)RefrigerantWeight (lb)Refrigerant

77Use the CONTROL TEST terminate lockout function tomonitor conditions and start the pumps.If the chiller has been shipped with a holding charge, ther

78Check Oil Pressure and Compressor Stop1. When the motor is at full speed, note the OIL PRES-SURE reading on the ICVC default screen. Normal19XRV oil

79be up to 10 psid (69 kPad) higher for Frame 3 compres-sors equipped with rolling element bearings.5. The moisture indicator sight glass on the refri

8REFRIGERATION CYCLEThe compressor continuously draws refrigerant vapor fromthe cooler at a rate set by the amount of guide vane opening orcompressor

80REFRIGERATION LOG CARRIER 19XRV HERMETIC CENTRIFUGAL REFRIGERATION MACHINEPlant MODEL NO. SERIAL NO. MOTOR RLA Fig. 42 — Refrigeration LogDATECOOL

81PUMPOUT AND REFRIGERANTTRANSFER PROCEDURESPreparation — The 19XRV chiller may come equippedwith an optional pumpout storage tank, pumpout system, or

82Transfer Refrigerant from Pumpout Storage Tank to Chiller1. Equalize refrigerant pressure.a. Turn on chiller water pumps and monitor chillerpressure

834. Establish vacuum for service. To conserve refrigerant,operate the pumpout compressor as described in Step 3euntil the chiller pressure is reduced

84b. Close pumpout and storage tank valves 2, 4, 5, and10, and close chiller charging valve 7; open chillerisolation valve 11 and any other chiller is

85Repair the Leak, Retest, and Apply StandingVacuum Test — After pressurizing the chiller, test forleaks with an electronic halide leak detector, soap

86SCHEDULED MAINTENANCEEstablish a regular maintenance schedule based on actualchiller requirements such as chiller load, run hours, and waterquality.

87VFD Refrigerant Strainer — A refrigerant strainer islocated in the 5/8 in. line that supplies refrigerant to the VFD.The strainer should be replaced

88Water Treatment — Untreated or improperly treatedwater may result in corrosion, scaling, erosion, or algae. Theservices of a qualified water treatme

89TROUBLESHOOTING GUIDE (Tables 15-18B)Overview — The PIC III has many features to help theoperator and technician troubleshoot a 19XRV chiller.• The

9VFD COOLING CYCLEThe unit-mounted variable frequency drive (VFD) is cooledin a manner similar to the motor and lubricating oil coolingcycle (Fig. 3).

90COOLER CONDENSER PRESSURE TRANSDUCERAND OPTIONAL WATERSIDE FLOW DEVICE CALI-BRATION — Calibration can be checked by comparing thepressure readings f

91Control Test — The Control Test feature can check all thethermistor temperature sensors, pressure transducers, pumpsand their associated flow device

92Table 16 — Alarm and Alert Messages (cont)D. PRE-START ALERTS: These alerts only delay start-up. When alert is corrected, the start-up will continue

93Table 16 — Alarm and Alert Messages (cont)F. NORMAL RUNG. NORMAL RUN WITH OVERRIDES*[LIMIT] is shown on the ICVC as the temperature, pressure, volta

94Table 16 — Alarm and Alert Messages (cont)H. OUT-OF-RANGE SENSORICVC FAULTSTATEPRIMARYMESSAGESECONDARYMESSAGEPRIMARY CAUSE ADDITIONAL CAUSE/REMEDY26

95Table 16 — Alarm and Alert Messages (cont)I. CHILLER PROTECTIVE LIMIT FAULTS*[LIMIT] is shown on the ICVC as the temperature, pressure, voltage, etc

96Table 16 — Alarm and Alert Messaged (cont)I. CHILLER PROTECTIVE LIMIT FAULTS (cont)*[LIMIT] is shown on the ICVC as the temperature, pressure, volta

97Table 16 — Alarm and Alert Messages (cont)I. CHILLER PROTECTIVE LIMIT FAULTS (cont)*[LIMIT] is shown on the ICVC as the temperature, pressure, volta

98Table 16 — Alarm and Alert Messages (cont)I. CHILLER PROTECTIVE LIMIT FAULTS (cont)*[LIMIT] is shown on the ICVC as the temperature, pressure, volta

99Table 16 — Alarm and Alert Messages (cont)I. CHILLER PROTECTIVE LIMIT FAULTS (cont)*[LIMIT] is shown on the ICVC as the temperature, pressure, volta