McQuay WMC 400DSC Parts List

Replacement Parts List No. 700014700

Revision B 10/2011

Magnitude™ Water-Cooled

Magnetic Bearing Centrifugal Chiller

WMC

400DSC

Vintage A

To ﬁnd your McQuay parts distributor, call 1-800-377-2787 or visit www.mcquay.com

Contents

Parts List Revision History......................................................................................................... 3

Electrical Legend ....................................................................................................................... 4

Complete Model Nomenclature ............................................................................................ 5 - 6

Unit Components ....................................................................................................................... 7

Magnetic Bearing Compressor ............................................................................................8 - 11

Piping - Discharge ................................................................................................................... 12

Piping - Liquid Line and Motor Cooling.................................................................................... 13

Condenser- Standard Heads ................................................................................................... 14

150 PSI Standard Heads- 1 Pass ...................................................................................... 15

150 PSI Standard Heads- 2 Pass ...................................................................................... 15

150 PSI Standard Heads- 3 Pass ...................................................................................... 15

Condenser- Water Box Heads ................................................................................................. 16

150 PSI Water Box Heads- 1 Pass .................................................................................... 17

150 PSI Water Box Heads- 2 Pass .................................................................................... 17

150 PSI Water Box Heads- 3 Pass .................................................................................... 17

Evaporator- Standard Heads .................................................................................................. 18

150 PSI Standard Heads- 1 Pass ...................................................................................... 19

150 PSI Standard Heads- 2 Pass ...................................................................................... 19

150 PSI Standard Heads- 3 Pass ...................................................................................... 19

Evaporator- Water Box Heads ................................................................................................ 20

150 PSI Water Box Heads- 1 Pass .................................................................................... 21

150 PSI Water Box Heads- 2 Pass .................................................................................... 21

150 PSI Water Box Heads- 3 Pass .................................................................................... 21

Insulation ................................................................................................................................. 22

Unit Controls ............................................................................................................................ 23

Unit Control Box .......................................................................................................... 24 - 25

Power Panel ................................................................................................................ 26 - 27

Control Box Label............................................................................................................... 28

Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A Rev. B 10/2011 RPL 700014700 / Page 2

Parts List Revision History

Revision Date Description

NEW 08/2011 New A 02/2011 Page 24 - Corrected part number for Bub. 107 from 330276601 to 330276603. Added sub-components of OITS Circuit Board Assy. B 10/2011 Pages 9-11: Added one page. Corrected and expanded Compressor components. Page 28: Added page for Control Box Label.

13600 Industrial Park Blvd., P.O. Box 1551, Minneapolis, MN 55440 (763) 553-5330

Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A Rev. B 10/2011 RPL 700014700 / Page 3

Electrical Legend

A .................................... Alarm

B1-B10 ........................... Analog Input Connections

CAP ............................... Capacitor

CB .................................. Circuit Breaker

CBX ............................... Compressor Box

CC .................................Compressor 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 .................................. Cooling Tower Fan Relay (Stage 1)

C2 .................................. Cooling Tower Fan Relay (Stage 2)

C3 .................................. Cooling Tower Fan Relay (Stage 3)

C4 .................................. Cooling Tower Fan Relay (Stage 4)

EF .................................. Evaporator Flow Switch

EP1 & 2 .........................Evaporator Pump Cycling Relay

EWI ................................ Evaporator Water Interlocks

EXV ...............................Electronic Expansion Valve

GDB ............................... Guardistor Board

GFP ............................... Ground Fault Protector

HG ................................. Hot Gas Solenoid

HR1 & 2 .........................Heater Relay

ID1 thru 18 ..................... Digital Input Connections

IR2 thru 4 ....................... Isolation Relay for T2 thru T4

L1................................... Liquid Injection Solenoid

LR ...................................... Latch Relay

MA .....................................Contactor Auxillary

MC ....................................Motor Cooling Solenoid

MCR ..................................Motor Contactor Relay (Starter)

MHP ..................................Mechanical High Pressure Switch

NO1-18, NC1-18 ................Digital Output Connections

OC .....................................Oil Cooler Solenoid (120 or 24 VAC)

OL .....................................Overload

OP ....................................Oil Pump Contactor

PTB ....................................Pressure Transducer Board

RL ...................................... Reactor, Line Side

SA(Unload), SB(Load) .......Vane Control Solenoids

SC ......................................Signal Converter

SW1 ...................................Unit Start/Stop Switch

SW2 ...................................Compressor Manual Stop 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

VC ......................................Vane Close Switch

VO .....................................Vane Open Switch

VR ......................................Voltage Relay

UC .....................................Unit Controller

Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A Rev. B 10/2011 RPL 700014700 / Page 4

Complete Model Nomenclature

WMC 400D SC 25R NN N A E3012 BE 2RA C4 0440 CC Y A C2612 BLYY 2RAYYY

Code 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18

C4 1050 CCYY YY A A 134 124 DY 2LEYYA SMYDSYYS 0170 Y YY B

Code 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33

02 Size (in nominal tons) 400D= 400 Tons, Dual Compressors

03 Unit Conﬁguration SC= Vintage A, Single Circuit

04 Voltage 25R= 460V / 60Hz

05 Always NN

06 Always N

07 Compressor Model Revision

A= Compressor Revision A

08 Evaporator

E3012= 30" Diameter, 12 ft. length

09 Evaporator Tubes

Digit 1 B= 300 Tubes C= 262 Tubes Digit 2 E= 0.025 wall, CU Turbo, EHP

10 Evaporator Heads Digit 1

1= 1 pass 2= 2 Pass 3= 3 Pass Digit 2 R= Right Hand Inlet Nozzle L= Left hand Inlet Nozzle Digit 3 A= Standard Victaulic B= Flanged C= Marine Box, Front, Victaulic E= Marine Box, Front, Flanged

11 Evaporator Design Pressure Digit 1

C= 200 PSIG Refrigerant Side Digit 2 1= 150 PSIG Waterside, ASME Code 2= 250 PSIG Waterside, ASME Code 3= 350 PSIG Waterside, ASME Code 4= 150 PSIG Waterside, non-ASME Code 5= 300 PSIG Waterside, non-ASME Code

12 Evaporator Leaving Water Temperature

0440= Degrees Fahrenheit x 10

13 Evaporator Tube Sheet & Head Material

Digit 1 C= Carbon Steel Tube Sheet Digit 2 C= Carbon Steel Heads

14 Always Y

15 Evaporator Model Revision

A= Evaporator Revision A

16 Condenser C2612= 26" Diameter, 12 ft. length

17 Condenser Tubes Digit 1

B= 426 Tubes C= 381 Tubes Digit 2 L= 0.025 wall, CU Turbo, CSL Digits 3-4 Always YY

18 Condenser Heads

Digit 1 1= 1 pass 2= 2 Pass 3= 3 Pass Digit 2 R= Right Hand Inlet Nozzle L= Left hand Inlet Nozzle Digit 3 A= Standard Victaulic B= Flanged D= Marine Box, Front, Victaulic F= Marine Box, Front, Flanged Digits 4-6 Always YYY

19 Condenser Design Pressure

Digit 1 C= 200 PSIG Refrigerant Side Digit 2 1= 150 PSIG Waterside, ASME Code 2= 250 PSIG Waterside, ASME Code 3= 350 PSIG Waterside, ASME Code 4= 150 PSIG Waterside, non-ASME Code 5= 300 PSIG Waterside, non-ASME Code

20 Condenser Max Leaving Water Temperature 1050= Degrees Fahrenheit x 10

Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A Rev. B 10/2011 RPL 700014700 / Page 5

Complete Model Nomenclature

21 Condenser Tube Sheet & Head Material

Digit 1 C= Carbon Steel Tube Sheet Digit 2 C= Carbon Steel Heads Digits 3-4 Always YY

22 Always YY

23 Condenser Model Revision

A= Condenser Revision A

24 Pressure Vessel Code

A= ASME J= Australia ASME with documentation P= Chinese T= Taiwan ASME with documentation 1= CRN British Columbia 2= CRN Alberta 3= CRN Saskatchewan 4= CRN Manitoba 5= CRN Ontario 6= CRN Quebec 7= CRN New Brunswick 8= CRN Nova Scotia 9= CRN Prince Edward Island 0= CRN Newfoundland U= CRN Yukon

25 Refrigerant

134= Refrigerant 134a

26 Refrigerant Weight example: 124= 1240 lbs divided by 10

27 Expansion Valve

DY= Electronic Expansion Valve EY= Self=Mfg’d Electronic Expansion Valve

28 Controls

Digit 1 2= Microtech II Digit 2 L= Large Controller Digit 3 E= English Language Digit 4 Always Y Digit 5 B= BACnet w/ RS485 and Ethernet E= BACnet w/ IP Ethernet L= LonMark M= ModBus S= Serial Port w/RS232 Y= None Digit 6 A= NEMA 1

29 Front End Box Options

Digit 1 S= Single Point Digit 2 M= Unit Mounted VFD Digit 3 Y= Standard Filter P= EMI Filter Digit 4 D= Disconnect Switch P= Power Block Digit 5 Always S Digit 6 Y= Standard Short Circuit Current Rating H= High Short Circuit Current Rating Digit 7 Y= No Ground Fault Protection F= With Ground Fault Protection Digit 8 S= Standard Load Balance

30 Rated Load Amps 0170= Compressor RLA

31 Always Y

32 Insulation

Digit 1 H= 3/4" insulation on Evap Shell, Suction Piping, Compressor Inlet, Motor Barrel, plus High Humidity 3= 1-1/2" insulation on Evap shell; 3/4" insulation on Suction Piping and Compressor Inlet Y= No Shell Insulation Digit 2 1= Return head Insulation 2= Return and Connection Head Insulation Y= No Head Insulation

33 Water Flow Indication

B= Water Flow Indicator on Evaporator and Condenser

Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A Rev. B 10/2011 RPL 700014700 / Page 6

H020

H021

H030

H021

H030

Unit Components

001

F022

001

F030

A050

F021

F022

A020

Ref. # Description Part Number Qty.

001 Compressor, TT500 (RLA range 126-160) 332017704 2

A020 Compressor Isolator 330527701 8 A050 Butterﬂy Valve 073062103 2 F021 Shut Off Valve 735039977 1 F022 Relief Valve, 200# 735045817 3 F030 Relief Valve, 200#, Angle 735045818 2 H020 Flow Sensor 330571401 2 H021 Cable, Flow Sensor 330571402 2 H030 Sensor Well 047441511 6

Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A Rev. B 10/2011 RPL 700014700 / Page 7

Magnetic Bearing Compressor

013

016

017

003

018

012

014

004

006

007

011

002

008

010

009

Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A Rev. B 10/2011 RPL 700014700 / Page 8

Magnetic Bearing Compressor

 

Quantity Ref. # Description Part Number per

compressor

002 Kit, Module, Bearing PWM 300040127 1 003 Kit, DC/DC Converter Assy, 400-460V 300042897 1 004 Kit, Module, Backplane Assy 300042899 1 006 Kit, End Cap Assy 300048171 1 007 Kit, Insulation Cover, End Bell 300043829 1 008 Kit, Cover, Top Assy 300040136 1 009 Kit, Cover, Service Side Assy 300040137 1 010 Kit, Cover, Mains Input Assy 300040138 1 011 Kit, Cover, Capacitor Assy 300040139 1 012 Kit, Module Serial Driver 300043064 1 013 Kit, Module, Softstart, 460V 300043245 1 013 Kit, Module Softstart, 400V 300043853 1 014 Kit, Bearing Motor Compressor Control (BMCC) See Note 1 016 Kit, Input Mains Buss Bars 100416 1 017 Kit, IGBT Assy Manifold Cooling (w/o DC/DC Converter) 300043315 1 017 Kit, IGBT Assy Manifold Cooling (w/DC/DC Converter) 300043246 1 018 Kit, Bracket Mains Input Plate, 2.0” Diameter 300049170 1 018 Kit, Bracket Mains Input Plate, 2.5” Diameter 300049171 1 018 Kit, Bracket Mains Input Plate, 3.0” Diameter 300049172 1 018 Kit, Bracket Mains Input Plate, 3.5” Diameter 300049173 1 NS Kit, PCB Assy, Compressor Interface Connector 300043882 1 NS Kit, Soft Start Cooling Fan Assembly 300049137 1 NS Communication Converter Module 300049169 1 NS Kit, Terminal Power Block Assy 300043983 1 NS Kit, Cover Plate Assy 300049175 1 NS Kit, IGV Housing Assembly and O-Rings 300045254 1 NS Kit, IGV Motor Service 300048085 1 NS Kit, Heatsink Cooling Manifold SCR Assy 300049174 1 NS Kit, Sensor Assy, Temperature, Motor Rotor 300047246 1 NS Kit, Temperature Sensor 300048181 1 NS Kit, Tube, Connection to IGBT 300048170 1 NS Kit, Capacitor, IGBT Snubber 300043447 1 NS Kit, Sensor, Pressure/Temperature, Suction (blue dot) 300040130 1 NS Kit, Sensor, Pressure/Temperature, Discharge (red dot) 300040131 1

Note: Contact McQuay Parts with the compressor model, compressor part number, compressor serial number and BMCC revision. On dual compressor units, provide same information on other compressor to ensure BMCC compatibility.

NS = Not Shown

Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A Rev. B 10/2011 RPL 700014700 / Page 9

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