Magnitude™ Water-Cooled Magnetic Bearing Centrifugal Chiller WMC 400DSC

Magnitude™  Water-Cooled Magnetic Bearing Centrifugal Chiller WMC 400DSC
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
C4 1050 CCYY YY A A 134
Code 19
20
21
22 23 24
25
09
124 DY
26
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
10
Compressor Model Revision
07
A= Compressor Revision A
Evaporator
08
E3012= 30" Diameter, 12 ft. length
Evaporator Tubes
09
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
Evaporator Leaving Water Temperature
12
0440= Degrees Fahrenheit x 10
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
27
11
12
13
14 15
16
17
18
2LEYYA SMYDSYYS 0170 Y YY B
28
29
30
31 32 33
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
Condenser
16
C2612= 26" Diameter, 12 ft. length
Condenser Tubes
17
Digit 1
B= 426 Tubes
C= 381 Tubes
Digit 2
L= 0.025 wall, CU Turbo, CSL
Digits 3-4
Always YY
Condenser Heads
18
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
Condenser Design Pressure
19
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
Condenser Max Leaving Water Temperature
20
1050= Degrees Fahrenheit x 10
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
Condenser Model Revision
23
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
Refrigerant
25
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
Controls
28
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
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
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
Rev. B 10/2011
RPL 700014700 / Page 6
Unit Components
H030
F030
H020 H021
H030
H030
H020 H021
001
001
A050
F022
F021
F022
A020
Ref. #
001
Description
Compressor, TT500 (RLA range 126-160)
A020
A050
F021
F022
F030
H020
H021
H030
Compressor Isolator
Butterfly Valve
Shut Off Valve
Relief Valve, 200# Relief Valve, 200#, Angle
Flow Sensor
Cable, Flow Sensor
Sensor Well
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
Part Number
332017704
Qty.
2
330527701
073062103
735039977
735045817
735045818
330571401
330571402
047441511
8
2
1
3
2
2
2
6
RPL 700014700 / Page 7
Magnetic Bearing Compressor
013
017
016
003
018
012
014
004
002
008
011
010
009
006
007
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
Magnetic Bearing Compressor
Quantity
Ref. #
Description
Part Number
per compressor
NS
Kit, Diode Rectifiers
300044087 1
NS
Kit, Sensor Heatsink Diode Rectifiers Dual Cooling
300047204 1
NS
Line Reactor, 180A 5%
300045658 1
NS
Line Reactor, 240A 5%
300048177 1
NS
Line Reactor, 180A, 10%
331557651 1
NS
EMI/EMC Filter, 322A
300048960 1
NS
Kit, Buss Assembly Connection Motor IGBT
300048961 1
NS
Kit, Cooling Valves Assembly
300046568 1
NS
Kit, Hermetic Feedthrough IGV - 4 Pin 300049176 1
NS
Kit, Hermetic Feedthrough High Power
300045214 1
NS
Kit, Hermetic Feedthru, Rear Bearing, 6-Pin
300043473 1
NS
Kit, Hermetic Feedthru, Front Bearing, 4-Pin
300046599 1
NS
Kit, Hermetic Feedthru, Bearing Sensor, 9-Pin
300045720 1
NS
Kit, Buss Bar Assembly and Capacitors, 400V
300047251 1
NS
Kit, Buss Bar Assembly and Capacitors, 460V
300043832 1
NS
Kit, O-Ring, IGBT Assy
300043869 1
3
NS
Kit, O-Ring, Ports Connection 300043968 1
NS
Kit, O-Ring, IGV Assy
300043877 1
NS
Kit, O-Ring, End Cap Assy
300043878 1
NS
Kit, O-Ring, Service Side Small O-Rings
300043879 1
NS
Kit, O-Ring, Cover Plate Assy
300043880 1
NS
Kit, O-Ring, Suction Port Only
300048180 1
NS
Bluetooth Serial Adapter Kit
300046950 1
NS
Dielectric Grease
300045661 1
NS
Kit, Compressor Mounting
300040125 1
NS
Kit, Screws for Covers, M5, Stainless Steel
300046932 1
Includes O-Rings for Suction, Discharge and Economizer Ports.
NS = Not Shown
3
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
RPL 700014700 / Page 10
Magnetic Bearing Compressor
Quantity
Ref. #
Description
Part Number
per compressor
NS
Kit, Cable Harness, DC Bus Test Lead
200140
1
NS
Kit, Cable Harness, DC/DC to Backplane
300047244
1
NS
Kit, Cable Harness Assy, Compressor Interface
300047144
1
NS
Kit, Cable Harness, Softstart SCR Gate
300044089
1
NS
Kit, Cable Harness, Mtr Cooling & Coil Assy
300048754
1
NS
Kit, Cable Harness, Compressor Controller
300044030
1
NS
Kit, Cable Harness, Front Bearing Sensor
300047965
1
NS
Kit, Cable Harness, Rear Bearing Sensor
300047966
1
NS
Kit, Cable Harness, Motor Driver (IGBT to Backplane)
300044114
1
NS
Kit, Cable Harness, Softstart AC/DC
300044098
1
NS
Fuse, Slo Nano SMF 0.25A, 125V
300046528
1
NS
Kit, Fuse 2A, 1000V, HVA, 3”
300045312
1
NS
Kit, Fuses, Softstart 4
331877106
1
NS
Kit, Fuses, Softstart 5
300046521
1
NS
Kit, Fuse Nano SMF 1.0A, 125V 5
300046530
1
Used on Softstart Series 20 (Compressor Serial # 071975020) or before.
Used on Softstart Series 21 (Compressor Serial # 071975030) or later.
NS = Not Shown
4
5
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
RPL 700014700 / Page 11
Piping - Discharge
C044
C031
Ref. #
C031
C044
Description
Gasket, 6.88 OD
Check Valve
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Part Number
070199120
332630201
Rev. B 10/2011
Qty.
6
2
RPL 700014700 / Page 12
Piping - Liquid Line and Motor Cooling
E020
E031
E022
B021
B020
B003 B002
E040
B024
B031
B042
B043
Liquid Line
E053
Motor Cooling
Ref. # Description
B002 Sight Glass Saddle
B003 Sight Glass Cap
B020 Electronic Expansion Valve Assy, 650 Ton
includes:
Electronic Expansion Valve Body
Electronic Expansion Valve Actuator
Site Glass
B021 O-Ring
B024 O-Ring
B031 Ball Valve, 3.12
B042 Strainer, 3.0
B043 Gasket, 4.15
E020 Flare Nut .500
E022 Strainer
E031 Ball Valve, .625
E040 Filter Drier, .625
E053 Ball Valve, .875
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
Part Number
330743304
330508701
332300201S
Qty.
1
1
1
331861602
330386209
015997817
735073633
735043674
330286010
070977801
070199104
000136100
735030506
330286003
735028827
330286004
1
2
2
1
1
1
1
1
2
2
2
2
2
RPL 700014700 / Page 13
Condenser- Standard Heads
331
Connection
End
Head
110
330
352 Return End Gasket
3- Pass
Return End Gasket
355 1 & 2- Pass
351
Conn. End Gasket
2 & 3- Pass
352
Conn. End Gasket
1- Pass
355
Return
End
Ref. #
110
330
331
350
Head
2- Pass
351
Head
1 & 3- Pass
2-Pass, Left-Hand, Std. Victaulic (Front View)
Description
Sight Glass Clear w/Ball
Shut-Off Valve
Cap, Flare
Part Number
350229501
735039929
073243901
Code 18: 1
L
# Passes
Connection
1=1 Pass
L= Left Hand
2=2 Pass
R= Right Hand
3=3 Pass
Qty.
1
2
2
A
YYY
Heads
Future Use
A= Std. Victaulic
B= Std. Flanged
C= Wtr. Bx. Vict.
D= Wtr. Bx. Flgd.
Head Types
Standard Victaulic
Connection
Return
Standard Flanged
Connection
Return
1- Pass
2- Pass
3- Pass
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
RPL 700014700 / Page 14
Condenser- Standard Heads
150 PSI Standard Heads- 1 Pass
Ref. #
Description
Part Number
Qty.
351
Assembly, Connection Head
26” Flanged Connection
331155101
2
26” Victaulic Connection 331153501
2
355
Gasket, Head
070304605
2
NS
Screw, H5, 0.75 x 3.0
735033878
32 per head
NS
Nut, 0.75-10
735029626
32 per head
NS = Not Shown
150 PSI Standard Heads- 2 Pass
Ref. #
Description
Part Number
Qty.
350
Assembly, Return Head
332183102
1
351
Assembly, Connection Head
26” Flanged Connection 332188303
1
26” Victaulic Connection
332186503
1
352
Gasket, Connection Head 071557805K
1
355
Gasket, Return Head
070304605
1
NS
Screw, H5, 0.75 x 2.5
735033877
32 per head
NS
Nut, 0.75-10
735029626
32 per head
NS = Not Shown
150 PSI Standard Heads- 3 Pass
Ref. #
Description
Part Number
Qty.
351
Assembly, Connection Head
26” Flanged Connection
In-Only
331158704
1
26” Flanged Connection
Out-Only
331158705
1
26” Victaulic Connection
In-Only 331156904
1
26” Victaulic Connection
Out-Only
331156905
1
352
Gasket, Head
071557805K
2
NS
Screw- H5, 0.75 x 2.5
735033877
32 per head
NS
Nut- 0.75-10
735029626
32 per head
NS = Not Shown
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
RPL 700014700 / Page 15
Condenser- Water Box Heads
Head
351
331
Connection
End
330
Return
End
110
352
Return End Gasket
3- Pass
Return End Gasket
355 1 & 2- Pass
366
Water Box
Cover Gasket
Conn. End Gasket
2 & 3- Pass
Ref. #
110
330
331
2-Pass, Left-Hand, Water Box Victaulic (Front View)
Description
Sight Glass Clear w/Ball
Shut-Off Valve
Cap, Flare
Part Number
350229501
735039929
073243901
Code 18: 1
L
# Passes
Connection
1=1 Pass
L= Left Hand
2=2 Pass
R= Right Hand
3=3 Pass
Return Head
2- Pass
351
Return Head
1 & 3- Pass
Water Box
366 Cover Gasket
1 & 3- Pass
(not shown)
352
Conn. End Gasket 355
1- Pass
350
Qty.
1
2
2
A
YYY
Heads
Future Use
A= Std. Victaulic
B= Std. Flanged
C= Wtr. Bx. Vict.
D= Wtr. Bx. Flgd.
Head Types
Water Box Victaulic
Connection
Return
Water Box Flanged
Connection
Return
1- Pass
2- Pass
3- Pass
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
RPL 700014700 / Page 16
Condenser- Water Box Heads
150 PSI Water Box Heads- 1 Pass
Ref. #
Description
Part Number
Quantity
351
Assembly, Connection Head
26” Flanged Connection
331155151
2
26” Victaulic Connection
331153551
2
355
Gasket, Head
070304605
2
366
Gasket, Water Box Cover
074521605
2
NS
Screw- H5, 0.75 x 4.5
735033969
64 per head
NS
Nut- 0.75-10
735029626
64 per head
NS = Not Shown
150 PSI Water Box Heads- 2 Pass
Ref. #
Description
Part Number
Qty.
350
Assembly, Return Head
332183102
1
351
Assembly, Connection Head
26” Flanged Connection 331158753
1
26” Victaulic Connection
331156953
1
352
Gasket, Connection Head 071557855
1
355
Gasket, Return Head
070304605
1
366
Gasket, Water Box Cover
074521605
1
NS
Screw- H5, 0.75 x 2.5, for Return Head
735033877
32 per head
NS
Screw- H5, 0.75 x 4.5, for Wtr Bx conn. to Condenser
735033969
32 per head
NS
Screw- H5, 0.75 x 4.0, for Water Box Cover
735033968
32 per head
NS
Nut- 0.75-10, for Return Head
735029626
32 per head
NS
Nut- 0.75-10, for Water Box Head
735029626
64 per head
NS = Not Shown
150 PSI Water Box Heads- 3 Pass
Ref. #
Description
Part Number
Quantity
351
Assembly, Connection Head
26” Flanged Connection
In-Only
331158754
1
26” Flanged Connection
Out-Only
331158755
1
26” Victaulic Connection
In-Only 331156954
1
26” Victaulic Connection
Out-Only
331156955
1
352
Gasket, Head 071557855
2
366
Gasket, Water Box Cover
074521605
2
NS
Screw- H5, 0.75 x 4.5, for Wtr Bx conn. to Condenser
735033969
32 per head
NS
Screw- H5, 0.75 x 4.0, for Water Box Cover
735033968
32 per head
NS
Nut- 0.75-10
735029626
64 per head
NS = Not Shown
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
RPL 700014700 / Page 17
Evaporator- Standard Heads
330
Connection
End
Head
331
110
352
Conn. End Gasket
1- Pass
355
352 Return End Gasket
3- Pass
Return End Gasket
355 1 & 2- Pass
351
Conn. End Gasket
2 & 3- Pass
350
Head
2- Pass
351
Head
1 & 3- Pass
330
331
Return
End
Ref. #
110
330
331
2-Pass, Left-Hand, Standard Victaulic (Front View)
Description
Sight Glass Clear w/Ball
Shut-Off Valve
Cap, Flare
Part Number
350229501
735039929
073243901
Code 10: 1
L
# Passes
Connection
1=1 Pass
L= Left Hand
2=2 Pass
R= Right Hand
3=3 Pass
Qty.
1
2
2
A
Heads
A= Std. Victaulic
B= Std. Flanged
C= Wtr. Bx. Vict.
D= Wtr. Bx. Flgd.
Head Types
Standard Victaulic
Connection
Return
Standard Flanged
Connection
Return
1- Pass
2- Pass
3- Pass
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
RPL 700014700 / Page 18
Evaporator- Standard Heads
150 PSI Standard Heads- 1 Pass
Ref. #
Description
Part Number
Qty.
351
Assembly, Connection Head
26” Flanged Connection
331155301
2
26” Victaulic Connection 331153701
2
355
Gasket
070304606
2
NS
Screw, H5, 0.75 x 3.0
735033878
40 per head
NS
Nut, 0.75-10
735029626
40 per head
NS = Not Shown
150 PSI Standard Heads- 2 Pass
Ref. #
Description
Part Number
Qty.
350
Assembly, Return Head
332183302
1
351
Assembly, Connection Head
26” Flanged Connection 332184903
1
26” Victaulic Connection
332183303
1
352
Gasket, Connection Head 071557806
1
355
Gasket, Return Head
070304606
1
NS
Screw, H5, 0.75 x 3.0
735033878
40 per head
NS
Nut, 0.75-10
735029626
40 per head
NS = Not Shown
150 PSI Standard Heads- 3 Pass
Ref. #
Description
Part Number
Qty.
351
Assembly, Connection Head
26” Flanged Connection
331155304
2
26” Victaulic Connection
331153704
2
352
Gasket, Connection Head 071557806
2
NS
Screw- H5, 0.75 x 3.0
735033878
40 per head
NS
Nut- 0.75-10
735029626
40 per head
NS = Not Shown
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
RPL 700014700 / Page 19
Evaporator- Water Box Heads
Water
Box
Cover
Gasket 366
Head
330
Connection
End
331
Return
End
110
352 Return End Gasket
3- Pass
Return End Gasket
355 1 & 2- Pass
351
Conn. End Gasket
2 & 3- Pass
352
Conn. End Gasket
1- Pass
355
350
Head
2- Pass
351
Head
1 & 3- Pass
Water Box
366 Cover Gasket
1 & 3- Pass
(not shown)
330
331
2-Pass, Left-Hand, Water Box Victaulic (Front View)
Ref. #
110
330
331
Description
Sight Glass Clear w/Ball
Shut-Off Valve
Cap, Flare
Part Number
350229501
735039929
073243901
Code 10: 1
L
# Passes
Connection
1=1 Pass
L= Left Hand
2=2 Pass
R= Right Hand
3=3 Pass
Qty.
1
2
2
A
Heads
A= Std. Victaulic
B= Std. Flanged
C= Wtr. Bx. Vict.
D= Wtr. Bx. Flgd.
Head Types
Water Box Victaulic
Connection
Return
Water Box Flanged
Connection
Return
1- Pass
2- Pass
3- Pass
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
RPL 700014700 / Page 20
Evaporator- Water Box Heads
150 PSI Water Box Heads- 1 Pass
Ref. #
Description
Part Number
Quantity
351
Assembly, Connection Head
30” Flanged Connection 331155351
2
30” Victaulic Connection
331153751
2
355
Gasket, Return Head
070304606
2
366
Gasket, Water Box Cover
074521621
2
NS
Screw, H5, 0.75 x 4.5
735033969
80 per head
NS
Nut, 0.75-10
735029626
80 per head
NS = Not Shown
150 PSI Water Box Heads- 2 Pass
Ref. #
Description
Part Number
Qty.
350
Assembly, Return Head
332183302
1
351
Assembly, Connection Head
30” Flanged Connection 331155353
1
30” Victaulic Connection
331153753
1
352
Gasket, Connection Head 350296771
1
355
Gasket, Return Head
070304621
1
366
Gasket Water Box Cover
074521621
1
NS
Screw, H5, 0.75 x 3.0, for Return Head
735033878
40 per head
NS
Screw, H5, 0.75 x 4.5, for Water Box Head
735033969
80 per head
NS
Nut, 0.75-10, for Return Head
735029626
40 per head
NS
Nut, 0.75-10, for Water Box Head
735029626
80 per head
NS = Not Shown
150 PSI Water Box Heads- 3 Pass
Ref. #
Description
Part Number
Qty.
351
Assembly, Connection Head
30” Flanged Connection 331155354
2
30” Victaulic Connection
331153754
2
352
Gasket, Connection Head 350296771
2
366
Gasket Water Box Cover
074521621
2
NS
Screw, H5, 0.75 x 4.5
735033969
80 per head
NS
Nut, 0.75-10
735029626
80 per head
NS = Not Shown
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
RPL 700014700 / Page 21
Insulation
Single Layer Insulation (Code 32 = H *)
Description
Part Number
Quantity
Evaporator Insulation, .75
047662050
115 square ft per unit
Coupling, Sightglass & Dataplate Insulation, .125 332557650
7 square ft per unit
Evaporator Head Insulation, .75
047662050
7 square ft per head
Suction Insulation, .75
047662050
7 square ft per suction line
Expansion Valve Insulation, .75
047662050
2 square ft per unit
Cover, Rear Compressor Bell
331557691
1 per compressor
Double Layer Insulation (Code 32 = 3 *)
Description
Part Number
Quantity
Evaporator Insulation, .75
047662050
230 square ft per unit
Coupling, Sightglass & Dataplate Insulation, .125 332557650
7 square ft per unit
Evaporator Head Insulation, .75
047662050
13 square ft per head
Suction Insulation, .75
047662050
13 square ft per suction line
Expansion Valve Insulation, .75
047662050
2 square ft per unit
Cover, Rear Compressor Bell
331557691
1 per compressor
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
RPL 700014700 / Page 22
Unit Controls
G050
G051
Single Point Connection Box
DS1 or PD1
Unit Control Box
Circuit #1
Power Panel
Circuit #2
Power Panel
Ref. # Description
Part Number
Qty.
G050
Support Arm, Beige (w/swivel pin, washers, nuts)
330815401
1
G050
Support Arm, Black (w/swivel pin, washers, nuts)
330815411
1
(includes swivel pin, washers, & nut)
G051
Operator Interface Panel w/cords, 12” Beige
330277501
1
G051
Operator Interface Panel w/cords, 15” Beige
330276501
1
G051
Operator Interface Panel w/cords, 15” Black
330276502
1
Cable, Power, Operator Interface
300040768
1
Cable, Serial, Operator Interface
300043345
1
Cable Kit (includes Power, Serial & VGA cords)
300043289
1
Single Point Connection Box
DS1
400A Molded Case Circuit Breaker Assy, Std. SCCR
400A Circuit Breaker, Std. SCCR
Lug
Operating Shaft
Operating Mechanism
Handle
DS1
400A Molded Case Circuit Breaker Assy, High SCCR
400A Circuit Breaker, High SCCR
Lug
Operating Shaft
Operating Mechanism
Handle
PD1
Power Block, 760A
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
300044186
300042106
300042258
300042115
300042118
300040313
300046378
300046310
300042258
300042115
300042118
300040313
300047431
1
1
6
1
1
1
1
1
6
1
1
1
1
RPL 700014700 / Page 23
Unit Control Box
400
401
Ref. #
Description
Part Number
Qty.
400
LonMark Serial Interface 350147401
1
400
ModBus RS485 Serial Network Board
350147402
1
400
BACnet RS232 Serial Gateway / Modem Board
330343102
1
400
BACnet with IP Ethernet
350147406
1
401
BACnet MS/TP (RS485) Interface Board
350147407
1
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
RPL 700014700 / Page 24
Unit Control Box
103
104
106
100
102
112
101
105
101
107
115
Ref. #
Schem.
Description
100
UC
Unit Controller, Large MTII
101
Circuit Controller, Small MTII
102
Serial Network Board
103
EXV
EXV Driver Board
104
SW1,12
Rocker Switch, Compressor
105
SW5
Rocker Switch, Emergency Shut-down
106
SW22
Rocker Switch, Unit
107
PC
OITS Circuit Board Assy
Power Supply for Circuit Board - OITS
Power Supply for ATX
Memory Module
112
CB1
Circuit Breaker, 10A, 250V 115
MOD 1, MOD2
PCB Assy
NS
UCM
Comm Module Card
NS
S05
Sensor- 30 ft.
NS
S02, S03, S04
Sensor- 30 ft. NS
CS01, CS02
Sensor- 30 ft. NS
IR2, IR3, IR4
Relay, 2PDT, 10A, 24V
NS
CA1, CA2
Capacitor
NS
Resistor, 120 Ohm
Part Number
330268311
330268111
350147402
330277803
300042181
300042962
300042181
330276603
330277353
333355201
330276693
300042182
300042958
330275202 073007303
073007203
073007203
300043648
300040510
300047219
Qty.
1
2
1
1
2
1
1
1
1
1
1
1
2
1
1
3
2
3
2
1
NS = Not Shown
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
RPL 700014700 / Page 25
Power Panel
206
207
206
207
200
200
201
201
204
204
205
205
203
203
Circuit #1
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Circuit #2
Rev. B 10/2011
RPL 700014700 / Page 26
Power Panel
Qty.
Ref. #
Schem.
Description
Part Number per panel
200
CB11, 21
Compressor Circuit Breaker, Std. SCCR
Trip, 250A, Circuit Breaker
300042208
1
Frame, Circuit Breaker
300042120
1
Operator, Circuit Breaker
300042117
1
Handle, Circuit Breaker, Rotary
300043800
1
Shaft, Circuit Breaker
300042808
1
Lug, Circuit Breaker
300040792
3
Bus Tab, Circuit Breaker
300042939
3
Bracket, Circuit Breaker
300043776
1
200
CB11, 21
Compressor Circuit Breaker, High SCCR
Circuit Breaker
300046301
1
Operator, Circuit Breaker
300042117
1
Handle, Circuit Breaker, Rotary
300043800
1
Shaft, Circuit Breaker
300042808
1
Lug, Circuit Breaker
300040792
3
Bus Tab, Circuit Breaker
300042939
3
Bracket, Circuit Breaker
300043776
1
201 CT1, CT2
Current Transformer
300047228
1
203
LR11, 21
Line Reactor
300047227
1
204
T11,21
Fuse Puller/Cover
300043152
1
205
T11, 21
Transformer Kit, 750VA, 480V:120V
300042952
1
includes: Transformer, 750A
300047231
1
Fuse Block
300043153
1
Fuse, 8A
300047232
1
Fuse, 4A
300046330
1
206
T12-14,T22-24
Transformer, 120V - 24V
300042178
3
207
GND11, GND21 Ground Lug Kit
300046359
1
NS
NS
NS
CT11,CT21
FU11-13, 21-23
FU11-13,21-23
Transformer, 0-5V Circuit Monitor
Fuse Block
Fuse, 250A, 600V
300042945
300047222
300047224
1
3
3
NS
EMI
EMI Filter (option)
300047437
1
NS
NS
GFP
GFP
Ground Fault Current Transformer (option)
Ground Fault Relay (option)
300043558
330315101
1
1
NS = Not Shown
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
RPL 700014700 / Page 27
Unit Controls
Control Box Label
For all other control components, please contact McQuay Parts with the Control Box Serial Number and Control Box Part Number. These numbers are located on the Control box rating label
(see example below). This label is found inside the panel.
Control Box Serial Number
“S” + Year + ##### + detail#
Control Box Part Number
Magnetic Bearing Centrif. Chiller; WMC 400DSC, Vintage A
Rev. B 10/2011
RPL 700014700 / Page 28
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