Carrier 17EX Specifications

Start-Up, Operation, and Maintenance InstructionsSAFETY CONSIDERATIONSCentrifugal liquid chillers are designed to provide safeand reliable service whe

SHAFT DISPLACEMENT& BRG TEMP. CUTOUTCONNECTIONSCOMPRESSOR OILPRESSURE LEAVINGFILTER LINEJOURNALBEARINGCHECK VALVESIGHTGLASSESOIL PUMP& PRESS.

Table 15 — 17EX Heat Exchanger Economizer/Storage Vessel, Piping, and Pumpout Unit Weights*COOLERSIZE†COOLERTOTALWEIGHTCOOLERCHARGEECONOMIZER/STORAGEV

Table 17 — Additional Condenser Weights*COMPONENTHEAT EXCHANGERSIZEWATERBOX TYPENUMBER OFPASSESDESIGN MAXIMUMWATER PRESSUREADDITIONALDRY WEIGHTADDITIO

Table 20A — Total Motor Weight, English (lb)ENCLOSURETYPEHERTZ VOLTAGE SIZE (HP)Open-Drip Proof(ODP)60 HzFA, FF (1250) FB, FG (1500) FH (1600) FC, FJ

Table 21 — Marine Waterbox Cover Weights*HEAT EXCHANGERSIZEDESIGN MAXIMUM WATER PRESSURE COOLER CONDENSERpsi kPa lb kg lb kg45-48150 1034 2236 1015 12

Table 24 — Auxiliary Systems, Electrical DataPOWER SOURCE ITEM AVERAGE kWDESIGN CENTERVOLTAGESUPPLYV-PH-HzFLA LRA1Seal LeakagePump0.23 115 115-1-50/60

NOTE: Refer to Table 26 for item number references.Fig. 57 — Compressor Fits and Clearances105

Table 26 — Compressor Fits and ClearancesITEM DESCRIPTIONCLEARANCETYPE OFMEASUREMinimum Maximumin. mm in. mm1 1st Stage Impeller to Diaphragm See Tabu

Tabulation — Impeller Clearances (Open-Drive Compressors)COMPRESSORSIZESHROUDDIAMCODEIMPELLER DIAMETERDIMENSION*Item 1 Item 3in. mm in. mm in. mm17FX3

LEGENDBRG — BearingC—ContactorCB — Circuit BreakerCH — ChannelCOM — CommunicationsCOMP’R — CompressorCOND — CondenserDETR — DetectorDIFF — Differentia

LEGENDPH — PhasePRESS. — PressurePSIO — Processor/SensorInput/Output ModuleR—Terminal DesignationSMM — Starter Management ModuleT—Terminalt* — Thermis

CONTROLSDefinitionsANALOG SIGNAL — An analog signal varies in propor-tion to the monitored source. It quantifies values betweenoperating limits. (Exampl

LEGENDCB — Circuit BreakerCOMM — CommunicationsN.O. — Normally OpenN.C. — Normally ClosedO.L. — OverloadPR — Pilot RelayRLA — Rated Load AmpsSMM — Sta

Fig. 59 — Elementary Wiring Diagram for Starter Management Module (SMM) and Control Interface BetweenStarter and Chiller Power Panel (For Low and Medi

LEGENDDP—Differential PressureC—ContactorCOMP’R — CompressorG—GroundL—Line TerminalLL — Control Power LineTerminalM—MotorOL’s — OverloadsOS — 3-Phase

NOTES FOR FIG. 60I GENERAL1.0 Starters shall be designed and manufactured in accordancewith Carrier Engineering requirement Z-375.1.1 All field-supplie

LEGENDEQUIP — EquipmentGND — GroundHGBP — Hot Gas BypassS—SwitchT1-T4 — Power Panel TransformersTS — Terminal StripFig. 61 — Oil Pump and Control Powe

INDEXAbbreviations, 5Access the Service Screen, To (Service Operation), 42Accidental Start-Up, To Prevent, 61Accuracy, Check Sensor (CheckingTemperatu

INDEX (cont)Control,Auxiliary Compressor Oil Pump, 33Auxiliary Gear Oil Pump, 33Capacity, 32Condenser Pump, 36Entering Chilled Water, 32High Discharge

INDEX (cont)Initial Start-Up,Before, 45Motor, 58Initiation, Ice Build (Ice Build Control), 40Input Equipment Service Parameters If Necessary, 55Input/

INDEX (cont)OCCPC01S, Input the Local Occupied Schedule, 54Occupancy Schedule, 32Occupied Schedule (OCCPC01S), Input the Local, 54Oil,Compressor, 77Ex

INDEX (cont)Refrigerant Float System, Inspect (ScheduledMaintenance), 78Refrigerant Leak Testing, 67Refrigerant Pressures, Reading, 63Refrigerant Prop

PIC System Components — The Product IntegratedControl (PIC) is the control system on the chiller. SeeTable 1. The PIC controls the operation of the ch

INDEX (cont)Test,Control (Troubleshooting Guide), 85Perform and Automated Control, 56Standing Vacuum, 49Testing, Refrigerant Leak, 67This Manual (Inst

LEGEND13 — Condenser Pressure Transducer14 — Condenser Entering WaterTemperature Sensor15 — Condenser Entering and Leaving WaterTemperature Cable16 —

Fig. 6 — 17EX Controls and Sensor Locations (cont)Fig. 7 — Control Sensors (Temperature)Fig. 8 — Control Sensors(Pressure Transducer, Typical)LEGENDLI

LEGENDEQUIP GND — Equipment GroundGRD — GroundM—MotorTEWAC — Totally Enclosed Water-to-Air CooledFig. 10 — 17EX Chiller Power Panel and Controls Conne

PROCESSOR/SENSOR INPUT/OUTPUT MODULE (PSIO)— This module contains all the operating software neededto control the chiller. The 17EX uses 5 pressure tr

NOTE: When an alarm is detected, the LID default screenfreezes (stops updating) at the time of alarm. The freeze en-ables the operator to view the chi

3. Press SELECT to view the desired Point Status table.4. On the Point Status table press NEXT orPREVIOUSuntil desired point is displayed on the scree

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

CONTENTSPageSAFETY CONSIDERATIONS ...1INTRODUCTION...5ABBREVIATIONS...517E

NEXTPREVIOUSSELECTEXITSERVICE TABLEDisplay Alarm History(The table holds up to 25 alarmsand alerts with the last alarm atthe top of the screen.)• Auto

NEXTPREVIOUSSELECTEXITSERVICE MENU CONTINUEDFROM PREVIOUS PAGEEQUIPMENT SERVICE (See Table 2, Examples 8, 9, and 10)Service Tables: (See Note)• SERVIC

6. a. Press INCREASE or DECREASE to change thetime values. Override values are in one-hour incre-ments, up to 4 hours.b. Press ENABLE to select days i

Table 2 — LID Display DataNOTES:IMPORTANT: The following notes apply to all Table 2examples.1. Only 12 lines of information appear on the LID screen a

Table 2 — LID Display Data (cont)EXAMPLE2—STATUS02 DISPLAY SCREENTo access this display from the LID default screen:1. Press MENU.2. Press STATUS.3. S

Table 2 — LID Display Data (cont)EXAMPLE4—STATUS04 DISPLAY SCREENTo access this display from the LID default screen:1. Press MENU.2. Press STATUS.3. S

Table 2 — LID Display Data (cont)EXAMPLE 6 — CONFIGURATION (CONFIG) DISPLAY SCREENTo access this display from the LID default screen:1. Press MENU.2.

Table 2 — LID Display Data (cont)EXAMPLE 7 — LEAD/LAG CONFIGURATION DISPLAY SCREENTo access this display from the LID default screen:1. Press MENU.2.

Table 2 — LID Display Data (cont)EXAMPLE 8 — SERVICE1 DISPLAY SCREENTo access this display from the LID default screen:1. Press MENU.2. Press SERVICE.

Table 2 — LID Display Data (cont)EXAMPLE 9 — SERVICE2 DISPLAY SCREENTo access this display from the LID default screen:1. Press MENU.2. Press SERVICE.

CONTENTSPageInspect Water Piping ...50Check Optional Pumpout Compressor WaterPiping...50Check

Table 2 — LID Display Data (cont)EXAMPLE 11 — MAINTENANCE (MAINT01) DISPLAY SCREENTo access this display from the LID default screen:1. Press MENU.2.

Table 2 — LID Display Data (cont)EXAMPLE 13 — MAINTENANCE (MAINT03) DISPLAY SCREENTo access this display from the LID default screen:1. Press MENU.2.

PIC System FunctionsNOTE: In the rest of this manual, words not part of para-graph headings and printed in all capital letters can be viewedon the LID

NOTE: This schedule is for illustration only, and is not in-tended to be a recommended schedule for chiller operation.Depending on its operating mode,

Table 3 — Protective Safety Limits and Control SettingsMONITORED PARAMETER LIMIT APPLICABLE COMMENTSTEMPERATURE SENSORSOUT OF RANGE–40 to 245 F (–40 t

2. The motor load ramp loading rate is an operator-configuredvalue that limits the rate at which the compressor motorcurrent or compressor motor load

Oil Cooler — The oil for the external gear and the com-pressor must be cooled while the compressor is running. Thecompressor oil cooler is a water-coo

Water/Brine Reset — Three types of chilled water/brine reset are available, Reset Type 1, Reset Type 2, andReset Type 3. They can be viewed or modified

Surge Protection — Compressor surge can be de-tected by the PIC based on operator configured settings. Surgecauses amperage fluctuations of the compress

LEAD/LAG OPERATION — The PIC control has the ca-pability to operate 2 chillers in the lead/lag mode. It also hasthe additional capability to start a d

CONTENTS (cont)PageMotor Handling/Rigging ...81Motor Storage...81External Gear Storage...

FAULTED CHILLER OPERATION — If the lead chillershuts down because of an alarm (*) condition, it stops com-municating with the lag and standby chillers

TEMPERATURE CONTROL DURING ICE BUILD—During ice build, the capacity control algorithm uses theWATER/BRINE CONTROL POINT minus 5 F (2.7 C) to con-trol

NOTE: The LID does not automatically re-attach to the PSIOmodule on the chiller. Access the ATTACH TO NETWORKDEVICE table, scroll to LOCAL, and press

7. Press SELECT to access the holiday table. The LIDscreen now shows the holiday start month and day, andhow many days the holiday period will last. S

If any of these requirements are not met, the PIC abortsthe start and displays the applicable pre-start mode of failureon the LID default screen. A pr

Safety Shutdown — A safety shutdown is identical toa manual shutdown with the exception that the LID displaysthe reason for the shutdown, the alarm li

The rotation direction of the motor is shown either on themotor nameplate or on the certified drawing. Information onthe required phase rotation of the

Fig. 25 — 17EX Leak Test Procedures47

Table 5A — HFC-134a Pressure — Temperature (F)TEMPERATURE (F) PRESSURE (psi)0 6.502 7.524 8.606 9.668 10.7910 11.9612 13.1714 14.4216 15.7218 17.0620

4. Leak Determination — If an electronic leak detector in-dicates a leak, use a soap bubble solution, if possible, toconfirm it. Total all leak rates f

INTRODUCTIONBefore initial start-up of the 17EX unit, those involved inthe start-up, operation, and maintenance should be thor-oughly familiar with th

Inspect Water Piping — Refer to the piping diagramsprovided in the certified drawings and the piping instruc-tions in the 17EX Installation Instruction

2. Direct current (as from a welder) can be passed throughthe winding. The total current should not exceed approxi-mately 50% of the rated full load c

Fig. 27 — External Gear Lubrication System52

Table 7 — Recommended Compressor andExternal Gear Fastener Tightening TorquesFASTENERDIAMETER (in.)TORQUE*Lb.-Ft. (N•m)UNC Minimum Maximum1⁄47 (9.5) 9

1. Check that all wiring connections are properly termi-nated to the starter.2. Verify that the ground wire to the starter is installed prop-erly and

5. After the last digit is changed, the LID goes to theBUS # parameter. Press the EXITsoftkey to leave thescreen, record your password change, and ret

If surge prevention occurs too soon or too late, make thefollowing adjustments:LOADSURGE PREVENTION SURGE PREVENTIONOCCURS TOO SOON OCCURS TOO LATEAt

Table 8 — Control Test Menu FunctionsTESTS TO BE DEVICES TESTEDPERFORMED1. Automated Tests* Operates the second through seventhtests2. PSIO Thermistor

3. Chiller is charged with refrigerant and all refrigerant andall oil valves are in their proper operating position.4. Gear oil, compressor oil, and m

Under normal conditions, for the self-lubricating bear-ing, the rate of temperature rise should be from 20°to 25° F (11° to 14° C) during the first 10

LEGENDNIH — Nozzle-In-Head*Any available cooler size can be combined with any available condenser size.NOTE: For details on motor size designations, s

2. Offset and Angular Alignment — Reverse dial indicationor optical methods of alignment (such as lasers) are rec-ommended. A cold alignment and a hot

4. General Recommendationsa. Both disc couplings are designed to operate for ex-tended periods without the need for lubrication or main-tenance. Visua

Instruct the Operator — Check to be sure that the op-erator(s) understands all operating and maintenance proce-dures. Point out the various chiller pa

NOTE: If the chiller fails to stop, in addition to action thatthe PIC initiates, the operator should close the guide vanesby overriding the guide vane

REFRIGERATION LOG CARRIER 17EX EXTERNALLY GEARED CENTRIFUGAL CHILLERPlantChiller Serial No.Chiller Model No. Refrigerant TypeREC. 1 REC. 2 REC. 3 REC.

NOTE: Location of pumpout compressor may vary depending on ma-chine arrangement.DRIVE ENDCOMPRESSOR ENDREAR VIEWCOOLERISOLATIONVALVE910711CHILLERCHARG

2. To determine economizer/storage vessel pressure, attacha 30 in.-0-400 psi (-101-0-2760 kPa) gage to the vessel.3. Refer to Fig. 32 for valve locati

Transferring Refrigerant into the Cooler/Condenser/Compressor Section —These steps de-scribe how to transfer refrigerant from the economizer/storage v

Refrigerant HFC-134a MUST NOT be mixed with airor oxygen and pressurized for leak testing. In general,this refrigerant should not be allowed to be pre

LEGEND1—Lubricating Tube2A — O-Ring2B — O-Ring3—Seal Housing4—Coupling Guard Mounting Ring5—Plain1⁄2-in. Washer (8 Required)6—Hex Head Bolt,1⁄2-13×4lg

1 2 3 4 5 6 7 8 9 10 11 12 13 1440393738363515161

9. Place a clean, lint-free cloth on a smooth, sturdy worksurface. Place the seal housing assembly on the clothwith the face of the contact sleeve in

Chiller AlignmentALIGNMENT METHODS — There are several establishedprocedures for aligning shafts. The dial indicator method ispresented here since it

2. Parallel in elevation — This alignment is also made withshims, but it cannot be made while there is angular mis-alignment in elevation.3. Angular i

If the larger opening remains the same but changes fromside to side, the shafts are in perfect alignment. The changein opening is due entirely to coup

4. Loosen all holddown bolts except the pivot bolt. Turn thescrew jack until the rear end of the equipment moves againstthe indicator by the desired a

When using brackets, the diameter in the alignment for-mula (see Near Final Alignment, Connecting Angular Mis-alignment section) will be that of the c

WEEKLY MAINTENANCECheck the Lubrication System —Mark the oil levelon the compressor reservoir sight glass, and observe the leveleach week while the ch

5. Open the drain located on the shell of the cooler/filter.Run a hose from the drain to a bucket to catch the oil.6. Once the pressure has been reliev

The lubricant should be drained while the gear is at op-erating temperature. The gear drive should be cleaned witha flushing oil. Used lubricant and flu

CLEANLINESS — On open ventilated motors, screens andlouvers over the inlet air openings should not be allowed toaccumulate any build-up of dirt, lint,

The chiller compressor continuously draws large quanti-ties of refrigerant vapor from the cooler at a rate determinedby the amount of guide vane openi

7. When removing the labyrinth seals, note the position ofthe anti-rotation button located on the inside of the tophalf of the seal. Pull up the garte

14. Reinstall the bearing housing split bolts. Before torqu-ing bearing housing cap bolts, rotate the shaft by handwhile bumping the bearing housing w

Fill the gear drive to the recommended oil level with heatedShell VSI grade 68 oil or its equivalent, heated between110 and 120 F (43 and 49 C). Do no

Water must be within design flow limits, clean, and treatedto ensure proper chiller performance and reduce the po-tential of tube damage due to corrosi

temperature control overrides, hot gas bypass, surge al-gorithm status, and time schedule operation. Refer toFig. 14 and Table 2, Examples 11-14.• The

4. A high pressure point can also be calibrated between 240and 260 psig (1655 and 1793 kPa) by attaching a regu-lated 250 psig (1724 kPa) pressure (us

LEGEND FOR TABLE 12, A - N1CR AUX — Compressor Start ContactCA P— Compressor CurrentCCN — Carrier Comfort NetworkCDFL — Condenser Water FlowCHIL S S—

Table 12 — LID Primary and Secondary Messages and Custom Alarm/Alert Messageswith Troubleshooting Guides (cont)D. PRE-START ALERTS: These alerts only

Table 12 — LID Primary and Secondary Messages and Custom Alarm/Alert Messageswith Troubleshooting Guides (cont)G. START-UP FAILURES: This is an alarm

Table 12 — LID Primary and Secondary Messages and Custom Alarm/Alert Messageswith Troubleshooting Guides (cont)I. NORMAL RUN WITH RESET, TEMPERATURE,

External Gear Lubrication Cycle (Refer to Itemnumbers shown in Fig. 5) —Oil reservoir is con-tained in the gear base. The external gear oil pump is mo

Table 12 — LID Primary and Secondary Messages and Custom Alarm/Alert Messageswith Troubleshooting Guides (cont)L. CHILLER PROTECT LIMIT FAULTSExcessiv

Table 12 — LID Primary and Secondary Messages and Custom Alarm/Alert Messageswith Troubleshooting Guides (cont)L. CHILLER PROTECT LIMIT FAULTS (cont)E

Table 12 — LID Primary and Secondary Messages and Custom Alarm/Alert Messageswith Troubleshooting Guides (cont)N. OTHER PROBLEMS/MALFUNCTIONSDESCRIPTI

Table 13 — External Gear Troubleshooting GuidePROBLEM POSSIBLE CAUSE — ITEM NO.s*Excessive Operating Temperature 1,2,3,4,5,6,7,9,12,18,20,21Oil Leakag

Table 14A — Thermistor Temperature (F) vs Resistance/Voltage DropTEMPERATURE VOLTAGE RESISTANCE(F) DROP (V) (Ohms)−25.0 4.821 98010−24.0 4.818 94707−2

Table 14B — Thermistor Temperature (C) vs Resistance/Voltage DropTEMPERATURE VOLTAGE RESISTANCE(C) DROP (V) (Ohms)−40 4.896 168 230−39 4.889 157 440−3

Control ModulesTurn the controller power off before servicing the con-trols. This ensures safety and prevents damage to thecontroller.The Processor/Se

If all modules indicate a communications failure, checkthe communications plug on the PSIO module for properseating. Also check the wiring (CCN bus —

Options Modules (8-Input) — The options modulesare optional additions to the PIC, and are used to add tem-perature reset inputs, spare sensor inputs,

6. Restore control system power (the LID displays, COM-MUNICATION FAILURE at the bottom of the screen).7. Access the SERVICE menu. Highlight and selec