Carrier PC211 Specifiche

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

10LEGENDFig. 3 — Refrigerant Oil Flow Schematic (TC Frame 1 and 2 Chillers)HGBP —Hot Gas BypassRefrigerant Liquid FlowRefrigerant Vapor FlowOil and Re

100AUX — AuxiliaryBR — Bridge RectifierCB — Circuit BreakerCOMM — CommunicationCOND — CondenserCPU — Central Processing UnitCVC — Chiller Visual Contr

101Fig. 50 — Typical Wye Delta Free-Standing Starter Wiring Schematic (Low Voltage)LEGENDAUX — AuxiliaryCB — Circuit BreakerCOMM — CommunicationCOND —

102Fig. 51 — Typical Solid-State Free-Standing Starter Wiring Schematic (Low Voltage)NOTES:PFC — Power Factor Contactor1M CONTACTAUX — Closes when SCR

103LEGEND*Field supplied terminal strip must be located in the control center.Fig. 52 — Typical COMM1 CCN Communication Wiring for Multiple ChillersFa

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 VoltageMotor(s) Amps Starter LRA RatingLine Voltages: Motor Controls/Oil HeaterFIELD-INSTA

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.23X

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

11LEGENDFig. 4 — Refrigerant Oil Flow Schematic (TD Frame 4 Chillers)HGBP —Hot Gas BypassRefrigerant Liquid FlowRefrigerant Vapor FlowOil and Refriger

CL-623XL PIC II OPTIONS TABLE CONFIGURATION SHEETDESCRIPTION RANGE UNITS DEFAULT VALUEAuto Restart Option0/1 DSABLE/ENABLE DSABLERemote Contacts Optio

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

CL-823XL PIC II SETUP2 TABLE CONFIGURATION SHEETDESCRIPTION STATUS UNITS DEFAULT VALUECapacity ControlProportional Inc Band2 to 10 6.5Proportional Dec

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

CL-1023XL PIC II RAMP_DEM TABLE CONFIGURATION SHEET23XL PIC II TEMP_CTL TABLE CONFIGURATION SHEETDESCRIPTION RANGE UNITS DEFAULT VALUEPulldown Ramp Ty

CL-11CUT 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

12Slide Valve Principle — Oil flow to the slide piston iscontrolled by two solenoid valves. Each solenoid is operatedby load and unload signals from t

13Unit-Mounted Solid-State Starter (Optional) —The 23XL chiller may be equipped with a solid-state, reduced-voltage starter (Fig. 8 and 9). This start

14CONTROLSDefinitionsANALOG SIGNAL — An analog signal varies in proportionto the monitored source. It quantifies values between operatinglimits. (Exam

15*Some 23XL chillers will have both an oil temperature sensor and an oil level safety switch (two separate components).Fig. 11 — 23XL Control and Sen

16*Some 23XL chillers will have both an oil temperature sensor and an oil level safety switch (two separate components).Fig. 12 — 23XL Control and Sen

17INTEGRATED STARTER MODULE (ISM) — This mod-ule is located in the starter cabinet. This module initiates com-mands from the CVC for starter function

18Fig. 15 — Control PanelFig. 16 — Power Panel

19CVC Operation and Menus (Fig. 17-23)GENERAL• The CVC display automatically reverts to the defaultscreen after 15 minutes if no softkey activity take

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

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

21CCNLOCAL RESETMENUDEFAULT SCREENStart Chiller In CCN ControlStart Chiller in Local ControlClear AlarmsSTATUSSCHEDULE SETPOINTSERVICE(SOFTKEYS)Access

22NEXTPREVIOUSSELECTEXITSERVICE TABLEDisplay Alarm History(The table holds up to 25 alarms and alerts with the most recent alarm at the top of the s

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

242. Press to select the highlighted value. Then:For Discrete Points — Press or toselect the desired state.For Analog Points — Press or to sel

25b. Press to select days in the day-of-weekfields. Press to eliminate days from theperiod.7. Press to register the values and to move hori-zont

26Table 3 — 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

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

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

29Table 3 — CVC Display Data (cont)EXAMPLE 6 — POWER DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press .3. Scroll

3CONTENTS (cont)PagePower Up the Controls andCheck the Oil Heater . . . . . . . . . . . . . . . . . . . . . . . . . . 60• SOFTWARE VERSIONSoftware Con

30Table 3 — CVC Display Data (cont)EXAMPLE 8 — SETPOINT DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press (Base De

31Table 3 — CVC Display Data (cont)EXAMPLE 10 — OVERRIDE DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press .3. S

32Table 3 — CVC Display Data (cont)EXAMPLE 12 — ISM_HIST DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press .3. S

33Table 3 — CVC Display Data (cont)EXAMPLE 14 — NET_OPT DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press .3. Sc

34Table 3 — CVC Display Data (cont)EXAMPLE 16 — OPTIONS DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press .3. Sc

35Table 3 — CVD Display Data (cont)EXAMPLE 17 — SETUP1 DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press .3. Scr

36Table 3 — CVD Display Data (cont)EXAMPLE 19 — LEAD/LAG DISPLAY SCREENTo access this display from the CVC default screen:1. Press .2. Press .3. S

37PIC 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

38CONFIGURATION table. See Table 3, Example 14. SCHED-ULE NUMBER can be changed to any value from 03 to 99. Ifthis number is changed on the NET_OPT sc

391. The slide is prevented from closing further, and thestatus line on the CVC indicates the reason for theoverride.2. The slide valve is opened unti

4CONTENTS (cont)PageChecking Pressure Transducers. . . . . . . . . . . . . . . . .77• COOLER CONDENSER PRESSURE TRANSDUCER AND WATERSIDE FLOW DEVICE C

40Table 5 — Capacity Overrides Table Capacity OverridesRemote Start/Stop Controls — A remote device,such as a timeclock that uses a set of contacts,

41vessels changes. This prevents low condenser water tempera-ture and maximizes chiller efficiency. The tower fan relay canonly accomplish this if the

42The algorithm first determines if corrective action is neces-sary. This is done by checking two sets of operator configureddata points, which are th

43If leaving chilled water control (ECW CONTROL OPTIONis set to 0 [DSABLE], TEMP_CTL screen) and a commonpoint sensor is desired (COMMON SENSOR OPTION

44Lag Chiller Shutdown Requirements — The following con-ditions must be met in order for the lag chiller to be stopped.1. Lead chiller compressor moto

45ICE BUILD INITIATION — The ice build time schedule(OCCPC02S) is the means for activating the ice build option.The ice build option is enabled if

46When the ATTACH TO NETWORK DEVICE screen is ac-cessed, information can not be read from the CVC on any de-vice until one of the devices listed on th

47days of the week field signifies that the period is applicable to aholiday. (See Fig. 22.)The broadcast function must be activated for the holidaysc

48If the water/brine temperature is high enough, the start-upsequence continues and checks the slide valve unload timer. Ifthe unload timer has expire

49The soft stop amps threshold function can be terminated andthe compressor motor deenergized immediately by depressingthe STOP button twice.Chilled W

5ABBREVIATIONS AND EXPLANATIONSFrequently used abbreviations in this manual include:Words printed in all capital letters or in italics may beviewed on

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

51Fig. 31 — 23XL Leak Test Procedure

52Fig. 32 — Typical Optional Pumpout System Piping Schematic with Storage Tank (TC Frame 1 and 2 Chillers)

53Fig. 33 — Typical Optional Pumpout System Piping Schematic With Storage Tank (TD Frame 4 Chillers)

54Fig. 34 — Typical Optional Pumpout System Piping Schematic Without Storage Tank(TC Frame 1 and 2 Chillers)

55Fig. 35 — Typical Optional Pumpout System Piping Schematic Without Storage Tank(TD Frame 4 Chillers)

56Table 6A — HCFC-22 Pressure — Temperature (F)Table 6B — HCFC-22 Pressure — Temperature (C)TEMPERATURE(F)PRESSURE (psi)Absolute Gage–5011.67 6.154*–4

57Table 6C — HFC-134a Pressure — Temperature (F) Table 6D — HFC-134a Pressure — Temperature (C)TEMPERATURE, F PRESSURE (psig)06.5027.5248.6069.66810.7

58Chiller Dehydration — Dehydration is recommended ifthe chiller has been open for a considerable period of time, ifthe chiller is known to contain mo

593. Compare the ampere rating on the starter nameplate torating on the compressor nameplate. The overload tripamps must be 108% to 120%of the rated l

6131415161718524232221 20 191197252651027121237654111098Fig. 2A — Typical 23XL Installation (TC Frame 1 and 2 Chillers)1—Power Panel2—Chiller Visual C

60attached to the starter frame near the relays. Useonly the dashpot oil supplied with the starter. Do notsubstitute.Solid-state overload relays do no

61TO CHANGE THE PASSWORD — The password may bechanged from the CVC CONFIGURATION screen.1. Press the and softkeys. Enter thecurrent password and h

62Modify Minimum and Maximum Load Points (∆T1/P1;∆ T2/P2) If NecessaryT — These pairs of chiller load points,located on the OPTIONS screen, determine

63Perform a Control Test — Check the safety controlsstatus by performing an automated control test. Access theCONTROL TEST table and select a test to

64Table 7 — Control Test Menu FunctionsCharge Refrigerant into ChillerThe standard 23XL chiller is shipped with the refrigerant al-ready charged in th

65The full refrigerant charge on the 23XL will vary with chill-er components and design conditions, as indicated on the jobdata specifications. An app

66To Prevent Accidental Start-Up — A chiller STOPoverride setting may be entered to prevent accidental start-upduring service or whenever necessary. A

67water temperature to save on compressor kilowattrequirements but, not be below 55 F (12.8 C).6. Cooler pressure and temperature also will vary witht

68Plant MODEL NO. SERIAL NO. REFRIGERANT TYPE REMARKS: Indicate shutdowns on safety controls, repairs made, oil or refrigerant added or removed,

69PUMPOUT AND REFRIGERANTTRANSFER PROCEDURESPreparation — The 23XL may come equipped with anoptional pumpout storage tank, pumpout system, or pumpoutc

7123451211 109876181716151413192021222324253130 2928826273534333212Fig. 2B — Typical 23XL Installation (TD Frame 4 Chiller)1—Compressor Nameplate (Hid

70Chillers with Isolation ValvesTRANSFER ALL REFRIGERANT TO CHILLER CON-DENSER VESSEL — For chillers with isolation valves, re-frigerant can be store

71Chillers with Storage Tanks — If the chiller has aseparate storage tank, or the chiller does not have isolationvalves, refer to the following proced

72GENERAL MAINTENANCERefrigerant Properties — HCFC-22 and HFC-134aare the standard refrigerants in the 23XL. At normal atmo-spheric pressure, HCFC-22

73WEEKLY MAINTENANCECheck the Lubrication System — Mark the oil lev-el on the sight glasses and observe the level each week whilethe chiller is shut d

7411. Add oil (approximately 4.2 gal [15.9 L]) until it can beseen at the lower edge of the oil sump sight glass. Theoil sight glass will not fill com

75As a minimum, the following maintenance is required.1. At least once a year, disconnect the vent piping at thevalve outlet and carefully inspect the

76Inspect starter contact surfaces for wear or pitting on me-chanical-type starters. Do not sandpaper or file silverplatedcontacts. Follow the starter

77• If an operating fault is detected, an alarm message isgenerated and displayed on the CVC default screen. Amore detailed message — along with a dia

784. A high pressure point can also be calibrated between25 and 250 psig (172.4 and 1723.7 kPa) by attaching aregulated 250 psig (1724 kPa) pressure (

79Table 9 — CVC Primary and Secondary Messages andCustom Alarm/Alert Messages with Troubleshooting Guides A. MANUAL STOPB. READY TO STARTC. IN RECYCLE

8Cooler — This vessel (also known as the evaporator) islocated underneath the compressor. The cooler is maintained atlow temperature/pressure so that

80Table 9 — CVC Primary and Secondary Messages andCustom Alarm/Alert Messages with Troubleshooting Guides (cont)D. PRE-START ALERTS: These alerts only

81 Table 9 — CVC Primary and Secondary Messages andCustom Alarm/Alert Messages with Troubleshooting Guides (cont)F. NORMAL RUNG. NORMAL RUN WITH OVERR

82Table 9 — CVC Primary and Secondary Messages andCustom Alarm/Alert Messages with Troubleshooting Guides (cont)I. CHILLER PROTECT LIMIT FAULTS*[LIMIT

83Table 9 — CVC Primary and Secondary Messages andCustom Alarm/Alert Messages with Troubleshooting Guides (cont)I. CHILLER PROTECT LIMIT FAULTS (cont)

84Table 9 — CVC Primary and Secondary Messages andCustom Alarm/Alert Messages with Troubleshooting Guides (cont)I. CHILLER PROTECT LIMIT FAULTS (cont)

85Table 9 — CVC Primary and Secondary Messages andCustom Alarm/Alert Messages with Troubleshooting Guides (cont)J. CHILLER ALERTS (cont)*[LIMIT] is sh

86Table 10A — Thermistor Temperature (F) vs Resistance/VoltageDropTEMPERATURE(F)VOLTAGEDROP (V)RESISTANCE(Ohms)–254.821 98,010–244.818 94,707–234.814

87Table 10B — Thermistor Temperature (C) vs Resistance/Voltage DropTEMPERATURE(C)VOLTAGEDROP (V)RESISTANCE(Ohms)–404.896 168 230–394.889 157 440–384.8

88Control Modules — Turn controller power off beforeservicing controls. This ensures safety and prevents damage tothe controller.The CVC, CCM, and ISM

89Chiller Control Module (CCM) (Fig. 43)INPUTS — Each input channel has 2 or 3 terminals. Refer toindividual chiller wiring diagrams for the correct t

9supply and equalize oil pressure to and around the pis-ton. This allows the slide valve to unload and load.• seals the gap between the male and femal

90STATCOMM THERMISTORSJ4DIFF PRESSUREJ3PRESSUREJ2SW2V/I INPUTSJ5SIOJ7ANALOG OUTJ8J11DISCRETEOUTPUTSJ12DISCRETEOUTPUTSJ124 VACSIOJ6INTEGRATED STARTER M

915. Using an ohmmeter, perform the following resistancemeasurements and record the results:If all measured values are greater than 5K ohms, pro-ceed

92Physical Data — For operator convenience during trou-bleshooting, additional details regarding compressor torquespecifications, physical data, elect

93Table 14A — 23XL Waterbox Cover Weights (Frame 1 and 2 Machines)*LEGENDNIH — Nozzle-In-Head*These weights are given for reference only. They have be

94Table 15 — Optional Storage Tank and/or Pumpout System Physical DataLEGENDNOTES:1. ANSI/ASHRAE 15 — Safety Code for Mechanical Refrigeration2. Dry w

95Table 18 — 23XL Compressor Torque Specification Chart for Metric amd American FastenersITEMCAP SCREWSIZE AND TYPEGRADE ASSEMBLY LOCATIONTORQUENm Lb-

96Fig. 46 — 23XL Chiller Control SchematicDenotes Component TerminalWire SpliceDenotes ConductorMale/Female ConnectorOption WiringLEGENDCB — Circuit B

97Fig. 47 — Power Panel Wiring SchematicCB —Circuit BreakerCCM —Chiller Control ModuleHGBP —Hot Gas BypassISM —Integrated Starter ModuleTB —Terminal B

98Fig. 48 — Cutler-Hammer Wye Delta Unit Mounted Starter Wiring Schematic (Low Voltage).For connection diagram refer to 261143 D4.Yellow wires remain

99Fig. 49 — Benshaw, Inc. Solid-State Unit Mounted Starter Wiring Schematic (Low Voltage)