Replacement Parts List No. 700019800 Revision A 10/2011 McQuay Two-Stage Centrifugal Chiller WTC 500 To find your Daikin Applied parts distributor, call 1-800-377-2787 or visit www.daikinapplied.com
Table of Contents Parts List Revision History...3 Serial Number Nomenclature...4 Electrical Legend...5 Economizer...6 Tubing Motor Cooling Supply...7 Motor Cooling Drain...8 Oil Cooler Drain...9 Motor Drain...10 2nd Scroll Drain...11 Eductor Line... 12-13 Eductor Assembly Components...14 Interstage & 1st Scroll Drain...15 Oil Temperature & Pressure...16 Oil Sump Temperature & Pressure...17 Oil Cooler Supply...18 Pilot Valve...19 Liquid Bypass...20 Piping Compressor Discharge...21 Compressor Suction...22 Economizer to Compressor...23 Economizer to Expansion Valve and Expansion Valve to Liquid Line...24 Expansion Valve...25 Liquid Line...26 Economizer Top...27 Economizer to Evaporator...28 Unit Insulation...29 Compressor Gear Train... 30-32 Inlet Guide Vane... 33-35 DDC System... 36-37 Oil Pump and Oil Tank Cover... 38-40 Motor... 41-43 Inside Piping... 44-46 External Piping... 47-52 External Components... 53-54 Control Box...55 Electrical... 56-59 Pressure Gauges...60 Condenser and Evaporator...61 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 2
Parts List Revision History Revision Date Description NEW 08/2011 New A 10/2011 Pages 11 & 15 - Added Ref. M322 (Valve 332481601) to drawings and charts. Daikin Applied, 13600 Industrial Park Blvd., P.O. Box 1551, Minneapolis, MN 55440 (763) 553-5330 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 3
Serial Number Nomenclature STN U 09 05 048 Plant Identification AUB= Auburn, NY FBO= Faribault, MN SCO= Scottsboro, AL STN = Staunton C= Compressor U= Unit Year of Manufacture 09= 2009 10= 2010 11= 2011 12= 2012 etc. Serial Number (build sequence) Month of Manufacture 01= January 02= February 03= March 04= April 05= May 06= June 07= July 08= August 09= September 10= October 11= November 12= December Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 4
Electrical Legend A... Alarm B1-B10... Analog Input Connections CAP... Capacitor CB... Circuit Breaker CBX... Compressor Box CC... Comp. Controller CF... Condenser Flow Switch CO... Compressor Off Relay CP1 & CP2... Condenser Pump Cycling Relay CR... Compressor Relay CT... Control Transformer CWI... Condenser Water Interlocks C1... Clg Tower Fan Relay (Stage 1) C2... Clg Tower Fan Relay (Stage 2) C3... Clg Tower Fan Relay (Stage 3) C4... Clg Tower Fan Relay (Stage 4) DDCA... Dischg Diffuser Control Actuator DR... Drain Solenoid EC... Expansion Controller EF... Evaporator Flow Switch EFB... Evap. Mass Flow Sensor Board EP1 & 2... Evaporator Pump Cycling Relay EWI... Evaporator Water Interlocks EXV... Electronic Expansion Valve Bd. GDB... Guardistor Board GFP... Ground Fault Protector HG... Hot Gas Solenoid HR1 & 2... Heater Relay ICR... Inlet Guide Vane Close Relay ID1-18... Digital Input Connections IGVA... Inlet Guide Vane Actuator IOR... Inlet Guide Vane Open Relay IR2-4... Isolation Relay for T2-T4 LI... Liquid Injection Solenoid LR... Latch Relay MA... Contactor Auxillary MC... Motor Cooling Solenoid MCR... Mtr. Contr. Relay (Starter) MHP... Mechanical Hi Pressure Switch NO1-18, NC1-18... Digital Output Connection OC... Oil Cooler Sol. (120 or 24VAC) OL... Overload OP... Oil Pump Contactor PTB... Pressure Transducer Board RL... Reactor, Line Side SA-unload,SB-load... Vane Control Solenoid SC... Signal Converter SW1... Unit Start/Stop Swich SW2... Comp. Manual Off Switch SW3... Remote Start/Stop Switch SW4... Mode Switch SW5... Emergency Stop Switch T1... Transformer (120VAC) T2... Transformer (24VAC) T3... Transformer (24VAC) T4... Transformer (24VAC) T5... Transformer (24VAC) /Isolation UC... Unit Controller Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 5
Economizer 001 103 110 Economizer on units built August 2010 and earlier. (16 bolts on each cover) 110 001 Assy, Economizer, 2 Stage, M Series 332378401 1 006 Float Seal Plate 332576101 2 103 Bolt, 1.125 x 4.5 331974305 32 105 Gasket, 21.15 OD x 18.5 ID 070199122 2 108 Float Valve Assy 332385301 2 109 Screw, M8 x 1.25 x 35MM 330821934 4 110 Sight Glass, 2 332472502 2 105 006 108 109 001 103 105 110 110 006 109 108 Economizer on units built after August 2010. (36 screws on each cover) 001 Assy, Economizer, 2 Stage, M Series 332378402 1 006 Float Seal Plate 332576101 2 103 Screw, 0.50 x 4.5 331974530 72 105 O-Ring, 17.96 ID x.275 thick 330198623 2 108 Float Valve Assy 332385301 2 109 Screw, M8 x 1.25 x 35MM 330821934 4 110 Sight Glass, 2 332472502 2 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 6
Tubing Motor Cooling Supply G203 G502 G201 G202 G215 G224 G228 2 places G201 G202 228 G201 Filter Connection G202 G352 Compressor Connection to Filter G202 G201 G214 G201 G202 G201 G202 G500 Valve on Condenser Connection Condenser Connection G201 Fitting, Nut 070789310 6 G202 Fitting, Sleeve 070789316 6 G203 Fitting, Straight Adapter 070789399 1 G214 Union 332471604 1 G215 Swivel Union 332471628 1 G224 Orifice,.102 D 332487002 1 G228 O-Ring 330198624 2 G352 Filter Drier 735028828 1 G500 Valve, Angle 5/8 x 7/8 332471703 1 G502 Valve, Angle 5/8 x 7/8 332471753 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 7
Tubing Motor Cooling Drain G504 G216 Compressor Connection G209 G503 G206 G209 G209 G206 G226 G206 G209 Evaporator Connection G229 G206 G206 Fitting, Sleeve 332471601 4 G209 Fitting, Nut 070789385 4 G216 Fitting, Adapter 070789397 1 G226 Orifice,.238 D 332487401 1 G229 O-Ring 735073664 2 G503 Valve, Angle 1-1/4 x 1-5/16 332471704 1 G504 Valve, Angle 1-1/4 x 1-5/16 332471754 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 8
Tubing Oil Cooler Drain G220 Elbow Connection at Oil Cooler G207 G206 G240 G221 G207 Oil Cooler Connection G206 G223 G207 G503 G206 G206 G207 G223 G207 G206 G206 G207 Evaporator Connection Valve at Evaporator Connection G206 Fitting, Sleeve 332471601 6 G207 Fitting, Nut 070789385 6 G220 Fitting, Adapter 332579801 1 G221 Coupling 332471623 1 G223 Union 332741609 2 G240 O-Ring 070194963 1 G503 Valve, Angle 1-1/4 x 1-5/16 332471704 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 9
Tubing Motor Drain H213 Orifice at Compressor Connection H203 H202 H451 H212 Compressor Connection H450 H203 H202 H233 H203 H202 Evaporator Connection H203 H202 Valve at Evaporator Connection H202 Fitting, Sleeve 070789341 4 H203 Fitting, Nut 070789342 4 H212 Orifice,.106 D 332471614 1 H213 Fitting, Adapter 332471633 1 H233 Union 332471602 1 H450 Valve, Angle 3/8 x 9/16 332471701 1 H451 Valve, Angle 3/8 x 9/16 332471751 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 10
Tubing 2nd Scroll Drain F211 F210 Valve Connection on Compressor F460 F204 Compressor Connection M322 F212 F210 F211 Valve Connection on Condenser F461 Condenser Connection F204 Sight Glass 015997803 1 F210 Fitting, Nut 070789327 2 F211 Fitting, Sleeve 070789328 2 F212 Fitting, Adapter 332487901 1 F460 Valve, Angle 1/2 x 3/4 332471702 1 F461 Valve, Angle 1/2 x 3/4 332471752 1 M322 Valve, 7/16 x 1/4 332481601 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 11
Tubing Eductor Line J503 To Ball Valve Valve Connection J203 J204 J204 J203 J204 J203 J203 J204 J212 J203 J204 J212 J204 J203 Eductor Connection J203 J204 Eductor Connection J203 Fitting, Sleeve 070789341 7 J204 Fitting, Nut 070789342 7 J212 Union 332471602 2 J503 Valve, Angle 3/8 x 9/16 332471701 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 12
Tubing Eductor Line J203 J204 J213 Compressor Connection J504 J200 J209 J903 Eductor Assy. - see next page J351 J500 J209 J200 Evaporator Connection J211 J210 J209 J200 J200 Fitting, Nut 070789310 3 J203 Fitting, Sleeve 070789341 1 J204 Fitting, Nut 070789342 1 J209 Fitting, Sleeve 332471611 3 J210 Fitting, Sleeve 070789328 1 J211 Fitting, Nut 070789327 1 J213 Fitting, Adapter 332471634 1 J351 Filter Drier 735028828 1 J500 Valve, Angle 5/8 x 7/8 332471703 1 J504 Ball Valve.375 330286001 1 J903 Eductor Assembly see next page 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 13
Tubing Eductor Assembly Components J358 J355 J356 J366 J365 J357 J355 Ejector Casing 1 332485702 1 J356 Ejector Nozzle 1 332485602 1 J357 Fitting 332485901 1 J358 Fitting 332471626 1 J365 O-Ring 735073624 1 J366 O-Ring 330498616 1 1 When replacing Nozzle or Casing, check length of Nozzle. If Nozzle is 1.636 inches - must replace both Nozzle and Casing at the same time. If Nozzle is 2.0 inches - can replace Nozzle or Casing separately. Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 14
Tubing Interstage & 1st Scroll Drain Valve at Compressor Connection F470 F210 F211 Valve at Interstage Elbow Connection F210 F204 F211 Evaporator Connection M322 F212 F461 F213 F452 F213 F212 F205 F206 F460 Valve at Evaporator Connection Compressor & Interstage Elbow Connection F204 Sight Glass 015997803 1 F205 Fitting, Nut 070789310 1 F206 Fitting, Sleeve 332471611 1 F210 Fitting, Nut 070789327 2 F211 Fitting, Sleeve 070789328 2 F212 Fitting, Adapter 332487901 2 F213 Bushing,.500 x.312 332580101 2 F452 Solenoid Valve,.25 ODF, 24VAC 070301707 1 F460 Valve, Angle 1/2 x 3/4 332471702 1 F461 Valve, Angle 1/2 x 3/4 332471752 1 F470 Valve, Angle 5/8 x 7/8 332471703 1 M322 Valve, 7/16 x 1/4 332481601 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 15
Tubing Oil Temperature & Pressure M316 M310 Oil Supply Pressure Transducer - see Electrical section M310 Valve, 1/8M x 1/8F NPT 332480801 1 M316 Sensor Well 330198005 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 16
Tubing Oil Sump Temperature & Pressure Oil Sump Pressure Transducer - see Electrical section M316 Oil Sump Temperature Sensor - see Electrical section M316 Sensor Well 330198005 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 17
Tubing Oil Cooler Supply G505 Elbow Connection at Oil Cooler G208 G209 G220 G221 G240 G225 G209 G223 G206 G209 G206 Oil Cooler Connection G209 G206 G223 G206 G209 G503 G209 G206 Valve Connection at Condenser Condenser Connection G206 Fitting, Sleeve 332471601 5 G208 Fitting, Sleeve 332471610 1 G209 Fitting, Nut 070789385 6 G220 Fitting, Adapter 332579801 1 G221 Coupling 332471623 1 G223 Union 332471609 2 G225 Reducer 041116521 1 G240 O-Ring 070194963 1 G503 Valve, Angle 332471704 1 G505 TX Valve 735048698 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 18
Tubing Pilot Valve J501 J500 J201 J200 J202 J201 J200 J500 J202 J200 Fitting, Nut 070789310 2 J201 Fitting, Sleeve 070789316 2 J202 Reducer 041116611 2 J500 Valve, Angle 5/8 x 7/8 332471703 2 J501 Thermal Expansion Valve (Pilot Valve) 735048667 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 19
Tubing Liquid Bypass P005 P001 P001 P001 Union 332657201 2 P005 Solenoid Valve 047931306 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 20
Piping Compressor Discharge A360 A010 A420 A204 A011 A511 A510 A361 A010 Flange 332602241 1 A011 Flange 735031838 1 A204 Coupling 332471501 1 A360 Gasket 070199128 1 A361 Gasket 070199010 2 A420 Sensor Well 047441511 1 A510 Check Valve 735040318 1 A511 Valve, 7/16 x 1/4 332481601 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 21
Piping Compressor Suction A421 A353 A012 A420 A359 A006 A006 Flange 735031833 1 A012 Flange 332602206 1 A353 Gasket 070199129 1 A359 Gasket 070199134 1 A420 Sensor Well 047441511 1 A421 Assy, Pilot Bulb Well 332380401 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 22
Piping Economizer to Compressor Economizer Piping Connection C023 C357 C502 W150 Compressor Connection C019 C364 C019 Flange 332602201 1 C023 Flange, Slip-on with O-Ring Groove 332483105 1 C357 O-Ring 070194901 1 C364 Gasket 070199127 1 C502 Valve, 7/16 x 1/4 332481601 1 W150 Orifice 332490004 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 23
Piping Economizer to Expansion Valve and Expansion Valve to Liquid Line W906 Expansion Valve - see next page Expansion Valve Connection C008 C361 Economizer Connection C357 C023 C360 C004 Expansion Valve Connection C024 Liquid Line Connection C004 Flange, Liquid Inlet 350236201 1 C008 Flange, with O-Ring Groove 332472301 1 C023 Flange, Slip-0n with O-Ring Groove 332483105 1 C024 Flange 332483207 1 C357 O-Ring 070194901 1 C360 O-Ring 735073633 1 C361 O-Ring 070194936 1 W906 Expansion Valve see next page 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 24
Piping Expansion Valve 159 146 149 160 153 152 141 148 158 157 145 143 147 144 150 142 156 155 154 151 W906 Assy, Expansion Valve 332380301 1 includes: 141 Body 330501801 1 142 Cap 330548801 1 143 Spring 332567801 1 144 Stop 072960101 1 145 Stem 072960203 1 146 Pin,.69 x x.16 735038019 1 147 O-Ring 735043662 2 148 Retainer 330501501 1 149 Washer 735043447 1 150 Piston 332567901 1 151 Sealing Ring 736017602 2 152 O-Ring 735043674 1 153 Screw, H5.37 x 3.2 735033927 6 154 Pin,.88 x.25 735038038 1 155 Fitting 070789326 1 156 Quad-Ring 330549201` 2 157 Cap 071556916 1 158 Screw,.375 x 1.25 735033833 1 159 Washer 735038309 2 160 Washer 040500308 6 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 25
Piping Liquid Line C358 C025 W250 W251 W908 C352 C003 C204 C205 C003 Flange for Cone Strainer 332478701 1 C025 Flange, Slip-on with O-Ring Groove 332483107 1 C204 Sensor Well 330198005 1 C205 Sight Glass 332472501 1 C352 Strainer Assy. 070977802 1 C358 O-Ring 735073686 1 W250 Gasket, 5.12 OD 070199106 1 W251 Gasket 735073403 1 W908 Shut-Off Valve (King Valve) 735039809 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 26
Piping Economizer Top C020 C020 C020 C357 C020 C357 C357 C020 C357 C020 C021 C357 C021 C021 C357 C020 C020 Flange, with O-Ring Groove 332483305 7 C021 Flange, Slip-on 332483005 3 C357 O-Ring 070194901 6 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 27
Piping Economizer to Evaporator Economizer Connection C023 C357 C021 C023 C357 Evaporator Connection C357 C020 C020 Flange 332483305 1 C021 Flange, Slip-on 332483005 1 C023 Flange, Slip-on with O-Ring Groove 332483105 2 C357 O-Ring 070194901 3 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 28
Unit Insulation Description Part Number Quantity Sheet Insulation, 0.75" thick (use 2 layers) (unit total = 605 sq. ft.) 047662050 as needed Tube Insulation, 1.125 ID (unit total = 19 ft.) 047351800 as needed Tube insulation, 0.375 ID (unit total = 5 ft.) 027676000 as needed Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 29
Compressor Gear Train R16 R70 R53 R25 R73 R56 R80 R62 R79 R75 R18 R61 R20 R77 R51 R23 R15 R65 R74 R58 R14 R13 R78 R75 R59 R08 R10 R72 R57 R12 R86 R72 R55 R11 R09 R81 R82 R83 R07 R33 R21 R54 R71 R67 R34 R66 R22 R19 R35 R60 R76 R68 R69 R77 R62 R63 R64 R66 R24 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 30
Compressor Gear Train R07 Seal, 1st Stage Discharge Side Labyrinth 300047928 1 R08 Seal, 2nd Stage Suction Side Labyrinth 300047929 1 R09 Seal, 2nd Stage Discharge Side Labyrinth 300047773 1 R10 Pinion Bearing Bracket 300048686 1 R11 Pinion Bearing Stopper 300047787 1 R12 Oil Nozzle for Pinion Bearing 300047788 1 R13 1st Stage Casing 300047797 1 R14 1st Stage Shroud Cover (M50) 300047801 1 R15 1st Stage Shroud Cover Shim Set 300048680 1 R16 2nd Stage Casing 300047798 1 R18 Bracket, Angular Contact Bearing - 1st Stage Side 300048687 1 R19 Bracket, Angular Contact Bearing - 2nd Stage Side 300048688 2 R20 Angular Contact Bearing Shim Set 300048681 1 R21 1st Stage Wall 300047811 1 R22 2nd Stage Wall 300047812 1 R23 1st Stage Vaneless Diffuser A (M50) 300047805 1 R24 1st Stage Vaneless Diffuser B 300047809 1 R25 2nd Stage Vaneless Diffuser 300047810 1 R33 O-Ring, 1st Stage Disch. Side Labyrinth Seal 300047930 1 R34 O-Ring, 2nd Stage Disch. Side Labyrinth Seal 300047931 1 R35 O-Ring, 2nd Stage Casing 300047793 1 R51 Hexagon Head Bolt 300048598 4 R53 Hexagon Socket Head Cap Screw 300048654 2 R54 Hexagon Socket Head Cap Screw 300048572 6 R55 Hexagon Socket Head Cap Screw 300048574 5 R56 Hexagon Socket Head Cap Screw 300048574 8 R57 Hexagon Socket Head Cap Screw 300048583 2 R58 Hexagon Socket Head Cap Screw 300048575 8 R59 Hexagon Socket Head Cap Screw 300048576 8 R60 Hexagon Socket Head Cap Screw 300048582 8 R61 Hexagon Socket Head Cap Screw 300048585 16 R62 Hexagon Socket Head Cap Screw 300048628 15 R63 Hexagon Socket Head Cap Screw 300048629 1 R64 Hexagon Socket Head Cap Screw 300048630 1 R65 Hexagon Socket Low Head Cap Screw 300048636 8 R66 Hexagon Socket Low Head Cap Screw 300048635 12 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 31
Compressor Gear Train R67 Cross-recessed Flat Countersunk Screw 300048570 6 R68 Stud Bolt 300048571 4 R69 Hexagon Nut 300048605 4 R70 Conical Spring Washer 300048618 2 R71 Conical Spring Washer 300048617 6 R72 Conical Spring Washer 300048619 7 R73 Conical Spring Washer 300048619 8 R74 Conical Spring Washer 300048620 8 R75 Conical Spring Washer 300048621 24 R76 Conical Spring Washer 300048621 8 R77 Conical Spring Washer 300048615 8 R78 Parallel Pin 300048682 2 R79 Parallel Pin 300048683 2 R80 Parallel Pin 300048684 2 R81 Hexagon Socket Head Cap Screw 300048577 1 R82 Plain Washer 300048626 1 R83 Conical Spring Washer 300048619 1 R86 Pinion Rotor Assembly (50 Hz) 300047778 1 R86 Pinion Rotor Assembly (60 Hz) 300047779 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 32
Compressor Inlet Guide Vane R222 R227 (7 places) (7 places) Z R219 (8 places) Z (4 places) (4 places) R225 R218 R224 R217 (4 places) (4 places) (2 places) (2 places) R228 R216 R212 R205 R206 View Z-Z Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 33
Compressor Inlet Guide Vane R202 R204 R213 (4 places) R221 (4 places) R226 R207 R220 R201 R203 R207 View A-A R203 R205 A A R209 R208 R214 (2 places) R206 R225 B B R211 R211 R203 View B-B (4 places) (4 places) R215 R223 R210 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 34
Compressor Inlet Guide Vane R201 IGV Main Assembly 300047763 1 R202 IGV Mounting Flange 300047819 1 R203 IGV Vane Drive Shaft 300047813 1 R204 Oil Mist Baffle Plate 300047815 1 R205 Stuffing Box 300047902 1 R206 Gland Follower 300048706 1 R207 Key for Vane Drive Shaft 300047814 1 R208 V Packing 300047907 2 R209 Bushing with Flange 300047908 1 R210 IGV Control Motor 300047817 1 R211 IGV Control Motor Coupling 300047816 1 R212 Yoke 300047818 1 R213 O-Ring (IGV Mounting Flange) 300047792 1 R214 O-Ring (Stuffing Box) 300047789 1 R215 Hexagon Head Bolt 300048594 4 R216 Hexagon Head Bolt 300048596 2 R217 Hexagon Head Bolt 300048597 4 R218 Hexagon Head Bolt 300048631 4 R219 Hexagon Head Bolt 300048638 8 R220 Hexagon Socket Head Cap Screw 300048637 1 R221 Hexagon Socket Head Cap Screw 300048578 4 R222 Hexagon Socket Head Cap Screw 300048579 7 R223 Spring Washer 300048608 4 R224 Spring Washer 300048610 4 R225 Spring Washer 300048611 4 R226 Conical Spring Washer 300048620 4 R227 Conical Spring Washer 300048623 7 R228 Spring Washer 300048609 2 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 35
Compressor DDC System R301 R302 R308 R307 (2 places) R310 R305 R306 E E R304 R314 (4 places) R316 (4 places) R309 R303 R319 (4 places) R311 (4 places) (2 places) R318 (2 places) R312 R320 (4 places) R313 (4 places) View E-E Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 36
Compressor DDC System R301 DDC Main Assembly (M50) 300047770 1 R302 Lever Drive Shaft 300047903 1 R303 DDC Control Motor Coupling 300047906 1 R304 Control Motor Trestle 300047904 1 R305 Stuffing Box 300047902 1 R306 Gland Follower 300048706 1 R307 V Packing 300047907 2 R308 Bush with Flange 300047908 1 R309 Control Motor 300047909 1 R310 O-Ring (Stuffing Box) 300047789 1 R311 Hexagon Head Bolt 300048595 4 R312 Hexagon Head Bolt 300048596 2 R313 Hexagon Head Bolt 300048652 4 R314 Hexagon Socket Head Cap Screw 300048574 4 R316 Spring Washer 300048607 4 R318 Spring Washer 300048609 2 R319 Spring Washer 300048610 4 R320 Spring Washer 300048611 4 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 37
Compressor Oil Pump and Oil Tank Cover R404 R410 (8 places) R428 R413 R416 R415 R433 R422 R412 R401 R406 R422 R417 R405 R410 (4 places) (4 places) R426 R432 Inside of Oil Tank Front Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 38
Compressor Oil Pump and Oil Tank Cover R427 (4 places) R408 R414 R429 (4 places) R423 (2 places) (6 places) (6 places) R425 R430 R403 (2 places) (2 places) R407 R421 R409 R402 R424 R430 (2 places) (4 places) (4 places) R418 R420 R419 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 39
Compressor Oil Pump and Oil Tank Cover R401 Oil Pump Assembly 300047765 1 R402 Stop Valve Assembly 300047766 2 R403 Oil Tank Cover 300047899 1 R404 Upper Cap of Filter 300047850 1 R405 Lower Cap of Filter 300047851 1 R406 Filter Brush 300047848 1 R407 Sightglass 300047881 2 R408 Plug 300048673 1 R409 Plug 300048679 1 R410 Hexagon Socket Head Cap Plug 300048651 2 R412 Filter Element 300047863 1 R413 Terminal 300047864 1 R414 Terminal Cover 300047821 1 R415 Terminal Cover Packing 300047859 1 R416 O-Ring 300047861 1 R417 O-Ring 300047860 1 R418 Oil Heater 300047888 1 R419 Pressure Control Valve 300047887 1 R420 Pressure Control Valve Packing 300047862 1 R421 O-Ring 300047856 2 R422 O-Ring 300047857 2 R423 Cross-Recessed Head Machine Screw 300048569 2 R424 Hexagon Head Bolt 300048640 4 R425 Hexagon Head Bolt 300048641 6 R426 Hexagon Head Bolt 300048595 4 R427 Hexagon Socket Head Cap Screw 300048642 4 R428 Hexagon Socket Head Cap Screw 300048643 8 R429 Conical Spring Washer 300048614 4 R430 Spring Washer 300048607 10 R432 Spring Washer 300048610 4 R433 Hexagon Socket Head Plug 300048675 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 40
Compressor Motor R527 R503 R541 R533 Z R501 R548 R545 R502 R544 R508 R528 R506 R509 R513 R542 R534 R505 R516 R507 R517 R537 R553 R504 R552 View Z R540 R539 R532 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 41
Compressor Motor R506 R541 R538 R543 R535 R518 R510 R547 R511 R518 R546 R531 R531 R549 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 42
Compressor Motor R501 Gear Motor Casing 300047926 1 R502 Motor Bearing Bracket 300048697 1 R503 Motor End Cover 300047927 1 R504 Motor Shaft 300047910 1 R505 Oil Nozzle for Motor Non-load Side Bearing 300047911 1 R506 Oil Nozzle for Motor Load Side Bearing 300047912 1 R507 Sleeve for Motor Load Side Bearing 300047913 1 R508 Motor Load Side Labyrinth Seal 300047914 1 R509 Motor Non-load Side Labyrinth Seal 300047915 1 R510 Main Motor Load Side Oil Piping 300047916 1 R511 Tube Clamp 300048669 1 R513 Ball Bearing Bracket 300048694 1 R516 Sight Glass 300047922 2 R517 Retaining Ring 300047923 1 R518 Bite Type Fitting Elbow 300047924 2 R527 O-Ring, Motor End Cover 300047920 1 R528 O-Ring, Motor End Labyrinth 300047921 1 R531 Hexagon Head Bolt, Thermostat Terminal Box 300048590 8 R532 Hexagon Head Bolt, Terminal Box 300048593 8 R533 Hex. Head Bolt, Motor Non-Load Side Labyrinth Seal 300048600 8 R534 Hexagon Head Bolt, Ball Bearing Bracket 300048599 1 R535 Hexagon Head Bolt, Motor Bearing Bracket 300048601 8 R537 Hexagon Head Bolt, Motor End Cover 300048653 12 R538 Hex. Socket Hd Cap Screw, Oil Nozzle for Load Side 300048578 2 R539 Plain Washer, Terminal Blank Flange for Main Terminal 300048624 16 R540 Spring Washer, Terminal Blank Flange for Main Terminal 300048611 16 R541 Conical Spring Washer, Oil Nozzle & Labyrinth Seal 300048620 10 R542 Conical Spring Washer, Ball Bearing Bracket 300048621 1 R543 Conical Spring Washer, Motor Bearing Bracket 300048622 8 R544 Parallel Pin, Motor Load Side Labyrinth Seal 300048670 1 R545 Parallel Pin, Dwell Pin 300048671 2 R546 Plug, Motor Bearing Bracket 300048674 2 R547 Cross Recessed Head Tapping Screw, Tube Clamp 300048568 1 R548 Plug, Dwell Pin 300048695 2 R549 Plug, Spare Port 300048696 1 R552 Motor Load Side Bearing 300047900 1 R553 Motor Non-load Side Bearing 300047901 1 NS Motor Inquiry Specification, 440V 300047917 1 NS Motor Inquiry Specification, 3kV class 300047918 1 NS Motor Inquiry Specification, 6kV class 300047919 1 NS Motor General Specification 300047925 1 NS = Not Shown Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 43
Compressor Inside Piping R604 R606 R602 R606 R610 R616 R615 R614 R607 R601 R610 R607 R603 R615 R614 R616 C A B Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 44
Compressor Inside Piping R610 R601 R602 R607 R607 R610 View A View B R616 R604 R607 R607 R607 R616 View C R603 R607 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 45
Compressor Inside Piping R601 Seal Gas Piping, Inside 300047837 1 R602 Angular Contact Bearing Piping, Inside 300047838 1 R603 Gear Oil Piping, Inside 300047839 1 R604 Pinion Side Rolling Bearing Oil Piping, Inside 300047840 1 R606 Half Union with Flare Nut 300047868 2 R607 Half Union with Flare Nut 300047870 4 R610 Half Elbow with Flare Nut 300047875 2 R614 Spring Washer 300048607 4 R615 Cross-recessed Head Machine Screw 300048566 4 R616 Tube Clamp 300048672 4 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 46
Compressor External Piping R714 R711 R704 R710 R709 R717 R756 R708 R721 R758 A R718 R756 R757 R712 R778 R716 R784 R730 R708 R783 B R727 R737 R742 R715 R756 D R756 R744 R715 R741 R718 R748 Bottom of compressor Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 47
Compressor External Piping R706 R780 R733 R716 R767 R774 R720 R734 R707 R785 R786 R741 R706 R742 R769 R722 R765 R771 R770 R701 R768 R764 R749 R703 R788 R789 R760 R754 R787 R789 R790 C Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 48
Compressor External Piping R737 R725 R732 R724 R780 R709 R737 R753 R737 R753 R737 R708 R766 R746 R750 R772 R732 R752 R723 R740 R710 R753 R756 R737 R758 R721 R747 R732 R707 R746 R735 R714 R782 R711 R732 R753 R757 R753 R743 R712 R726 R732 R773 R781 R775 R767 R774 R717 View A Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 49
Compressor External Piping R732 R713 R743 R713 R755 R776 R777 R728 R712 View B R730 R716 R731 R763 R705 R738 R734 R745 R751 R762 R719 R759 R767 R779 R789 R702 R761 R788 R745 R787 View C R737 R772 R708 R782 R783 R767 R774 R727 R737 R718 R748 R741 R742 R715 View D Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 50
Compressor External Piping R701 Oil Tank Cover Assy 300047767 1 R702 Outlet Piping 1 for Relief Valve 300047822 1 R703 Inlet Piping for Stop valve 300047823 1 R704 Main Oil Piping for Assy 300047764 1 R705 Return Piping for Relief Valve 300047824 1 R706 Balance Piping 300047825 1 R707 Outlet Piping for Stop Valve 300047826 1 R708 Oil Piping for Motor Non-load Side Bearing 300047827 1 R709 Oil Inlet Piping for Pinion Bearing 300047828 1 R710 Oil Inlet Piping for Gear 300047829 1 R711 Oil Inlet Piping for Angular Bearing 300047830 1 R712 Ejector Drive Gas Piping A 300047831 1 R713 Ejector Drive Gas Piping B 300047832 1 R714 Seal Gas Piping 300047833 1 R715 Oil Outlet Piping for Motor Non-load Side Bearing 300047834 1 R716 IGV Drain Piping 300047835 1 R717 Oil Inlet Piping for Motor Load Side Bearing 300047836 1 R718 Short Nipple of Motor Non-load Side Oil Outlet Piping 300047841 1 R719 Outlet Piping 2 for Relief Valve 300047842 1 R720 Demister Box 300047820 1 R721 Oil Cooler Bracket 300048689 1 R722 Demister 300047867 1 R723 Orifice (B3) 300047843 1 R724 Orifice (Gear) 300047844 1 R725 Orifice (B1 & 2) 300047845 1 R726 Orifice (B4) 300047846 1 R727 Orifice (B5) 300047847 1 R728 Bonnet 300047878 2 R730 Ejector Drive Gas Manifold 300047849 1 R731 Half Union 300047869 4 R732 Half Union 300047870 6 R733 Half Union 300047871 1 R734 Half Union 300047872 1 R735 Half Union 300047873 2 R737 Half Elbow 300047876 6 R738 Half Elbow 300047877 1 R740 Half T-Joint 300047874 1 R741 Bite Type Fitting Connector, Male 300047885 2 R742 Bite Type Fitting Elbow Nipple 300047886 2 R743 Angle Type Packed Valve 300047879 2 R744 Angle Type Packed Valve 300047880 1 R745 Elbow 300047759 2 R746 Elbow 300047760 2 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 51
Compressor External Piping R747 Reducing Elbow 300047891 1 R748 Reducing Elbow 300047892 1 R749 Street Elbow 300047882 1 R750 Nipple 300047884 1 R751 Fitting, Nipple 300047883 1 R752 Bushing 300047761 1 R753 Bushing 300047893 6 R754 Bushing 300047894 1 R755 Plug 300048676 3 R756 Plug 300048677 5 R757 Plug 300048678 2 R758 Oil Cooler 300047865 1 R759 Relief Valve 300047887 1 R760 Packless Valve 300047866 1 R761 Pressure Control Valve Table 300047852 1 R762 Pressure Control Valve Packing 300047862 1 R763 Ejector Assy 300047768 1 R764 O-Ring, Oil Tank Cover 300047854 1 R765 O-Ring, Demister Box 300047855 1 R766 O-Ring, Union 300047858 1 R767 Spring Washer 300048608 12 R768 Hexagon Head Bolt 300048644 12 R769 Hexagon Head Bolt 300048645 16 R770 Hexagon Head Bolt 300048591 4 R771 Spring Washer 300048607 4 R772 Cross-recessed Head Machine Screw 300048566 3 R773 Hexagon Nut 300048604 2 R774 Hexagon Head Bolt 300048592 8 R775 Plain Washer 300048626 2 R776 Hexagon Socket Head Cap Screw 300048587 4 R777 Conical Spring Washer 300048619 4 R778 Cross-recessed Head Machine Screw 300048567 2 R779 Hexagon Socket Head Cap Screw 300048646 4 R780 Main Oil Piping Support 300048690 1 R781 U-Bolt 300048639 1 R782 Tube Clamp 300048672 3 R783 Motor Load Side Piping Support 300048691 1 R784 Saddle 300047758 1 R785 Short Nipple for Balance Piping 300047853 1 R786 Socket 300047895 1 R787 Pipe Support for Relief Valve 300048692 1 R788 Pipe Support for Stop Valve 300048693 1 R789 U-Bolt 300048650 2 R790 Hexagon Socket Head Cap Screw 300048581 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 52
Compressor External Components R817 R810 R823 R809 R822 R810 R820 R815 R817 R817 R813 R820 R805 R806 R807 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 53
Compressor External Components R805 Bull Gear (50 Hz) 300047785 1 R805 Bull Gear (60 Hz) 300047786 1 R806 Key for Bull Gear 300047784 1 R807 Locknuts for Bull Gear 300048627 1 R809 O-Ring, Economizer Connection Piping 300047790 1 R810 O-Ring, Refrigerant Gas Pipe 300047791 2 R813 O-Ring, Gear Motor Casing 300047794 1 R815 Plug 300048685 2 R817 Hexagon Head Bolt 300048631 24 R820 Hexagon Head Bolt, Gear Motor Casing 300048632 16 R822 Refrigerant Gas Pipe 300047795 1 R823 Economizer Connection Piping 300047796 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 54
Control Box 010 007 018 017 016 011 012 T2 T3 EC CC 002 T5 T4 002A 014 CTB1 CB1 SC CTB2 UTB1 013 003 CTB3 OP OL PC ASSY UC 003 015 004 005 006 008 009 022 012 016 Ref # Schematic Description Part Number Quantity 002 CR,HR,LR,ICR,IOR Relay, 24VAC, 10A 330720910 5 002A Relay Holder with Din Rail Mount 330720911 5 003 CB2, CB3 Circuit Breaker, 6A 330720909 2 004 OP Relay 349932133 1 005 OL Overload Relay, 3PH, 30A 332662501 1 006 SW1, SW2, SW5 Rocker Switch, 125V note: SW5 not shown 071995301 3 007 CB1 Circuit Breaker, 5A 735073302 1 008 PC Assy 330276606 1 009 SC Signal Converter 049264901 1 010 T2,T3,T4,T5 Transformer, 120V-24V, 100VA 330720902 4 011 EC Controller, Small 332608111 1 012 CC, UC Controller, Large 332608311 2 013 UTB1, CTB2 Terminal Block 332662901 1 014 CTB1 Terminal Block 332662701 1 015 CTB3 Terminal Block 332662801 1 016 Connector Kit for Large Controller 330803053 2 017 Connector Kit for Small Controller 330803051 1 018 Switch Bracket 330329701 1 022 UCM Universal Communication Module 330275202 1 NS (outside of box) Green LED (Compressor Off) 332663001 1 NS (outside of box) Red LED (Compressor On) 332663002 1 NS (outside of box) White LED (Control Power) 332663003 1 NS = Not Shown Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 55
Electrical M013 M002 CS05 Front View ES03 M004 M013 CS01 M004 M013 M004 M003 CS04 CS03 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 56
Electrical M013 CS06 M005 Rear View CS09 M008 M013 M005 CS02 M002 CS07 US05 M008 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 57
Electrical M002 M015 US04 US02 M001 M016 EF M007 M001 CS10 M016 M002 M015 US03 M007 CF M010 See additional diagrams on previous 2 pages Ref # Schematic Description Part Number Quantity M001 CS10 Evap. Leaving Water Temp. Sensor, 30 ft. 331706603 1 M001 US02 Evaporator Temperature Sensor, 30 ft. 331706603 1 M002 US03 Condenser Entering Water Temp. Sensor, 20 ft. 073007202 1 M002 US04 Condenser Temperature Sensor, 20 ft. 073007202 1 M002 CS05 Compressor Suction Temperature Sensor, 20 ft. 073007202 1 M002 CS07 Compressor Discharge Temp. Sensor, 20 ft. 073007202 1 M003 CS04 Oil Sump Temperature Sensor, 20 ft. 330198006 1 M004 CS01 Oil Sump Pressure Transducer, Low Pr.132 071568501 1 M004 CS03 Evaporator Pressure Transducer, Low Pr. 132 071568501 1 M004 ES03 Economizer Pressure Transducer, Low Pr. 132 071568501 1 M005 CS02 Oil Supply Pressure Transducer, Hi Pr. 410 071568601 1 M005 CS06 Condenser Pressure Transducer, Hi Pr. 410 071568601 1 M007 CF, EF Sensor, Condenser Flow & Evaporator Flow 330571401 2 M008 CS09 Oil Supply Temp. Sensor, 25 ft. 330198007 1 M008 US05 Liquid Line Temp. Sensor, 25 ft. 330198007 1 M010 Cable, Cond. & Evap. Flow Sensor, 10 meters 330571403 2 M013 Cable, Pressure Transducer, 30 ft. 074667505 5 M015 Sensor Well, 3.75" 047441511 2 M016 Temperature Well, 5" long 047441512 2 NS Flow Switch 331706501 1 NS = Not Shown Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 58
Electrical M230 M231 M230 LCD Support Arm, Beige 330815401 1 M231 LCD Touch Screen Monitor, Beige 330276501 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 59
Pressure Gauges W233 W231 W232 W231 Pressure Gauge, 0-2 MPa 332476201 1 W232 Pressure Gauge, 0-1.5 MPa 332476202 3 W233 High Pressure Switch 332417601 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 60
Condenser and Evaporator W002 W001 D003 D004 D003 D006 D003 Condenser Channel Gasket 070189802 3 ft D006 Condenser Head Gasket, 34.12 OD 070304621 2 D003 Evaporator Channel Gasket 070189802 4 ft. D004 Evaporator Head Gasket, 34.12 OD 070304622 2 W001 Condenser Relief Valve 735045817 2 W002 Evaporator Relief Valve 735045817 1 Two Stage Centrifugal Chiller; WTC 500 Rev. A 10/11 RPL 7000198 / Page 61