Replacement Parts List No. 700008900
Revision A 12/2008
Water-Cooled
Magnetic Bearing Compressor
Modernized Chiller
WMM
145S
Contents
Parts List Revision History........................................................................... 3
Model Nomenclature and Electrical Legend ................................................ 4
Unit Components......................................................................................... 5
Magnetic Bearing Compressor ............................................................... 6 - 7
Piping - Discharge ....................................................................................... 8
Piping - Liquid Line and Motor Cooling........................................................ 9
Unit Controls....................................................................................... 10 - 11
Control Box Components........................................................................... 12
NOTE: For replacement components on the original chiller, please see Replacement Parts
Lists 571112 (PEH 046-050) or 7000000 (WSC 048-050).
Magnetic Bearing Compr. Chiller; WMM 145S Rev. A 12/2008 RPL 700008900 / Page 2
Parts List Revision History
Revision Date Description
NEW 09/2007 New
A 12/08 Page 7 - Ref. #15 add ‘Cavity’ to description.
®
13600 Industrial Park Blvd., P.O. Box 1551, Minneapolis, MN 55440 (763) 553-5330
Magnetic Bearing Compr. Chiller; WMM 145S Rev. A 12/2008 RPL 700008900 / Page 3
Model Nomenclature and Electrical Legend
Model Nomenclature
WMM 145S SC 15R /// 134
134 = HFC-134a
Packaged Water Cooled,
Magnetic Bearing Compressor,
Modernized Chiller
145 = 145 ton
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
Motor Voltage Code
S = Single Compressor
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 Compr. Chiller; WMM 145S Rev. A 12/2008 RPL 700008900 / Page 4
Unit Components
001
A020
Ref. # Description Part Number Quantity
001 Compressor, 460V/60 Hz., TT400, 150 HP, 140A 331557601 1
A020 Compressor Isolator 330527701 4
Magnetic Bearing Compr. Chiller; WMM 145S Rev. A 12/2008 RPL 700008900 / Page 5
Magnetic Bearing Compressor
007
004
006
008
005
013
003
015
012
014
002
011
010
009
Magnetic Bearing Compr. Chiller; WMM 145S Rev. A 12/2008 RPL 700008900 / Page 6
Magnetic Bearing Compressor
Ref. # Description Part Number Quantity
2 Module, Bearing PWM 300040127 1
3 Module, DC-DC Converter 300043791 1
4 Module, Backplane Assy 300042899 1
5 Suction Temperature/Pressure T ransducer 300040130 1
6 Discharge Temperature/Pressure T ransducer 300040131 1
7 IGBT Inverter 300043315 1
8 Cover, Top Assy 300040136 1
9 Cover, Service Side Assy 300040137 1
10 Cover , Power Inlet 300040138 1
11 Cover, Capacitor Assy 300040139 1
12 Module, Serial Driver 300043064 1
13 Module, Soft Start 460 / 60 Hz 300043245 1
13 Module, Soft Start 400V / 50 Hz 300043853 1
14 BMCC, 140A, 460V / 60 Hz 300043628 1
15 Sensor , Cavity T emperature 300042906 1
NS Suction Flange Kit with O-Ring 300040934 1
NS Discharge Flange Kit with O-Ring 300042832 1
NS O-Ring Kit for Compressor Connection 300043881 1
NS O-Ring Kit for IGBT 300043869 1
NS O-Ring Kit for Inlet Guide V ane 300043877 1
NS O-Ring Kit for End Cap Assembly 300043878 1
NS O-Ring Kit for Service Side 300043879 1
NS O-Ring Kit for Cover Plate Assy 300043880 1
NS = Not Shown
Magnetic Bearing Compr. Chiller; WMM 145S Rev. A 12/2008 RPL 700008900 / Page 7
Piping - Discharge
C044
Ref. # Description Part Number Quantity
C031 Gasket, 6.88 OD 070199120 2
C044 Check V alve 735040360 1
C031
Magnetic Bearing Compr. Chiller; WMM 145S Rev. A 12/2008 RPL 700008900 / Page 8
Piping - Liquid Line and Motor Cooling
C104
L104
C102
L005
L006
Liquid Line
Motor Cooling Line
Ref. # Description Part Number Quantity
L005 Sight Glass, 2.62 330743301 1
L006 Sight Glass Cap 330508701 1
L104 Electronic Expansion Valve, 126 Ton 330386206 1
C102 Filter Drier, .625 735028827 1
C104 Sight Glass, .625 015997804 1
Magnetic Bearing Compr. Chiller; WMM 145S Rev. A 12/2008 RPL 700008900 / Page 9
Unit Controls
G050
G051
MicroTech II
Control Panel
Power Panel
Ref. # Description Part Number Quantity
G050 LCD Support Arm 330815401 1
G051 Operator Interface Touch Screen 330276501 1
Magnetic Bearing Compr. Chiller; WMM 145S Rev. A 12/2008 RPL 700008900 / Page 10
C152
C154
Unit Controls
Ref. # Description Part Number Quantity
C152 Transformer, Isolation, 15A - 24V/24V 330277601 1
C154 EXV Driver 330277803 1
NS Sensor, 10K-L, 20 f t. 073007202 5
NS = Not Shown
Magnetic Bearing Compr. Chiller; WMM 145S Rev. A 12/2008 RPL 700008900 / Page 11
Control Box Components
For all 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” + Y ear + ##### + det ail#
Control Box Part Number
Magnetic Bearing Compr. Chiller; WMM 145S Rev. A 12/2008 RPL 700008900 / Page 12
Loading...