Carrier 17EX User Manual

Copyright 1999 Carrier Corporation Form 17EX-2PDCarrier’s Externally Geared 17EX Open Drive Centrifugal Liquid Chillers operate with environmentally s

10RIGGING AND OPERATING WEIGHTS17EX HEAT EXCHANGER, ECONOMIZER/STORAGE VESSEL, PIPING, AND PUMPOUT UNIT WEIGHTS* *If a chiller configuration other th

11 RIGGING AND OPERATING WEIGHTS (cont)ADDITIONAL CONDENSER WEIGHTS*LEGENDNIH — Nozzle-In-Head*When using a chiller configuration other than 2-pass, N

12Dimensions DIAM2'-6 1/2" (775)1'-0" (305) 12'-5"(3785)2'-0" (610)MINIMUMSERVICEAREA22'-10"(6960)

13Computerized ratingsSince Carrier’s 17EX chiller has numerous componentcombinations and can meet a wide variety of requiredoperating conditions, it

14Compressor motor controllers Compressor motors, as well as controls and accessories,require starting equipment systems specifically designed for17 s

15Range of applicationThe 17EX chiller is designed for standard water (or brine)chilling applications using HFC-134a.ASME stamping All 17EX heat excha

16Vent and drain connectionsAll vent and drain connections are found in the waterboxshell. Vent and drain connection size is 1-in. FPT.Provide the hig

17RELIEF-VALVE DISCHARGE PIPINGNOTES:1. The cooler relief C-factor is for both cooler and condenser vented through the cooler in accordancewith ASHRAE

18HEAT EXCHANGER MINIMUM/MAXIMUM FLOW RATES* (cont)ENGLISH (Gpm) SI (L/sec)*Flow rates are based on .025 in. wall tubing in the condenser. Minimum flo

197/8-9UNC-4 HOLESFOR JACKING SCREWS 1'-2"(355.6)0'-1 1/2" (38.1) 2'-4"(711)0'-1 1/2" (38.1) 1'-5"

2Application flexibility/two-stage compressor — By providing a wide assortment of compressor and gear arrangements as well as 2 stages of compression,

20Application data (cont)CL98101271513171631654CLCONDCONDCLCLCONDCONDCLCLCOOLERCOOLERCLCLCOOLERCOOLERCLCL NOTES:1. The vents for these waterboxes,loca

21Microprocessor controlsMicroprocessor controls provide the safety, interlock,capacity control, and indications necessary to operate thechiller in a

22Controls (cont)MICROPROCESSOR CONTROL CENTER CONTROL CENTER WITH OPTIONS (FRONT VIEW)LEGEND1—Processor Module (PSIO). The PSIO is the Brain of the P

23NEXT PREVIOUS SELECT EXITPERIOD12345678OVERRIDEON070006000000000000000000000000000 HOURS17EX CHLR OCC PC01S T

24Controls (cont)NEXT PREVIOUS SELECT EXIT17EX CHLR SERVICEATTACH TO NETWORK DEVICECONTROLLER

25Control sequenceTo start: Local start-up (manual start-up) is initiated bypressing the LOCAL menu softkey which is indicated onthe default local int

26Typical control wiringLEGENDBRG —BearingC—ContactorCB —Circuit BreakerCH —ChannelCOM —CommunicationsCOMP’R —CompressorCOND —CondenserDETR —DetectorD

27LEGENDPH —PhasePRESS. —PressurePSIO —Processor/SensorInput/Output ModuleR—Terminal DesignationSMM —Starter Management ModuleT—Terminalt* —Thermistor

28Typical field wiring(medium-voltage machine shown)LEGEND∆P—Differential PressureC—ContactorCOMP’R —CompressorG—GroundHZ —HertzL—Line TerminalLL —Con

29NOTES FOR TYPICAL FIELD WIRINGNOTES:I GENERAL1.0 Starters shall be designed and manufactured in accordancewith Carrier Engineering requirement Z-375

3Model number nomenclatureMotor Voltage64 – 2400-3-6065 – 3300-3-6066 – 4160-3-6067 – 6900-3-60Condenser Size55, 5717EX 48 57 583 J FH

30Typical piping and wiring2TO CHILLED WATER PUMPTO CONDENSER WATER PUMPTO COOLING TOWER FANMAINPOWER89111234561110FROMCOOLINGLOADFROMCOOLINGTOWERTO C

31Open Drive Centrifugal ChillerSize Range:1500 to 2250 Tons(5820 to 7910 kW) NominalCarrier Model Number:17EX (with External Gear)Part 1 — General1.0

32ready-to-run unit shall be the responsibility ofthe mechanical contractor.B. Compressor:1. Compressor shall be high-performance centrifu-gal, two-st

33are not acceptable. All rotor bars shall be fit-ted and brazed into the core to minimizemovement and vibration.b. Bearings:1) Motor bearings shall b

34using a tapered fit, double keyway design. Gearshaft shall be straight fit design.3. Coupling guards shall be installed on bothcouplings.4. If the c

35an alarm light. The microprocessor can beconfigured to display either English or SI units.2. The default standard display screen shall simul-taneous

36shall not occur until the vanes are closed. If thevanes are closed and the oil pump pressure isless than 3 psi (21 kPa), the oil pump shall beenergi

37shut down and a message shall be displayedinforming the operator which conditioncaused the shutdown and alarm.L. Diagnostics and Service:1. The cont

38Switches shall make contact when flow is estab-lished. Switches shall be installed in horizontalruns at least 5 pipe diameters downstream fromany be

39b. Unit manufacturer shall provide the coolerwith 3 pass configuration on the water side.* 3. Automatic Hot Gas Bypass:Hot gas bypass valve and pipi

4Features/Benefits (cont)HEAT EXCHANGERS• ASME stamp on both refrigerant and water-sides of heat exchangers for increased reliability• Optional marine

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Pg 4

5The heat exchangers feature: Pressure-tested vessels — Each heat exchanger (water-side) is hydro-statically tested at 150% of design pressure. The en

6Heat supplies the energy required for boiling and is obtained from the water (or brine) flowing through the cooler tubes. When heat is removed, the c

7LEGEND1—Variable Inlet Guide Vanes (Hidden)2—First-Stage Impeller3—Second-Stage Impeller4—Front Journal Bearing5—Thrust Bearing Assembly6—Seal Oil Su

8LEGEND*Factory installed.†Field installed.ITEM OPTION* ACCESSORY†Thermal InsulationXMulti-Pass Heat ExchangersXAutomatic Hot Gas BypassXControls Opti

9Chiller components1 2 3 4 5 6 7 8 9 10 11 12 13