Daikin McQuay Pathfinder™ Air Cooled Chiller Screw Compressor 3 Circuit

Daikin McQuay Pathfinder™ Air Cooled Chiller Screw Compressor 3 Circuit
Replacement Parts List No. 700014300
Revision D 09/2012
Daikin McQuay Pathfinder™
Air Cooled Chiller
Screw Compressor
3 Circuit
For units built after 8/1/11, contact McQuay Parts
for part number identification of Compressors,
Check Valves, Economizers, Evaporators and
Suction Piping Components.
Model: AWS
Sizes: 375 - 530
Vintage: A
R134a
60 Hz
To find your Daikin McQuay parts distributor, call 1-800-377-2787 or visit www.DaikinMcQuay.com
Contents
Parts List Revision History.................................................................................................................................. 3
Nomenclature
Serial Number............................................................................................................................................... 4
Unit Model Number- Dataplate..................................................................................................................... 4
Unit Model Number- Complete................................................................................................................ 5 - 6
Electrical Legend - Units with Wye Delta or SS Starter.................................................................................. 7 - 9
Electrical Legend - Units with VFD Starter..................................................................................................10 - 11
Unit Layout........................................................................................................................................................ 12
Refrigeration Section......................................................................................................................................... 13
Compressor Charts..................................................................................................................................... 13
Compressors............................................................................................................................................... 14
Compressor Components........................................................................................................................... 15
Suction Lines, Liquid Injection Lines.................................................................................................... 16 - 17
Discharge Lines................................................................................................................................... 18 - 19
Liquid Lines- Standard Efficiency Units...................................................................................................... 20
Liquid Lines with Economizer- High Efficiency Units .......................................................................... 21 - 23
Condenser Coils and Fans......................................................................................................................... 24
Fan Totals per Unit...................................................................................................................................... 25
Evaporator Diagram.................................................................................................................................... 26
Evaporator Components...................................................................................................................... 27 - 28
Coil and Base Frame Grilles............................................................................................................................. 29
Coil Louvers...................................................................................................................................................... 30
Base Frame Louvers.................................................................................................................................. 31 - 33
Controls............................................................................................................................................................. 34
Units with Wye-Delta or Solid State Starter (Code 9 = WD, SS)................................................................ 34
Box Locations and Label Detail............................................................................................................ 34
Control Panel Detail.............................................................................................................................. 35
Power Panel Detail........................................................................................................................ 36 - 37
Solid State Starter Panel............................................................................................................... 38 - 40
Wye-Delta Starter Panel................................................................................................................ 40 - 41
Units with VFD Starters (Code 9 = VE or VF)............................................................................................. 42
Box Locations and Label Detail............................................................................................................ 42
Control Side................................................................................................................................... 43 - 45
Power Side.................................................................................................................................... 46 - 50
Control Box Exhaust and Intake Fans.................................................................................................. 51
Terminal Box...................................................................................................................................................... 52
Accessories....................................................................................................................................................... 53
Units with Wye-Delta or Solid State Starter (Code 9 = WD or SS) ............................................................ 53
Isolator Kits - Rubber-In-Shear............................................................................................................. 53
Isolator Kits - Spring............................................................................................................................. 54
Units with VFD Starter (Code 9 = VF or VE) . ............................................................................................ 55
Isolator Kits - Rubber-In-Shear............................................................................................................. 55
Isolator Kits - Spring............................................................................................................................. 56
Flow Switch................................................................................................................................................. 57
Sound Enclosure Kit................................................................................................................................... 57
Alarm Bell.................................................................................................................................................... 57
Inlet Strainer................................................................................................................................................ 57
Field-Installed Fan VFD Kits....................................................................................................................... 58
High Ambient Exhaust Fan Kit.................................................................................................................... 58
Rapid Restore............................................................................................................................................. 58
Base and Coil - Grille and Louver Kits........................................................................................................ 59
Base Grille Kits - Units with Wye-Delta or SS Starter (Code 8 = WD, SS)................................................. 59
Base Grille Kits - Units with VFD Starter (Code 8 = VF, VE)....................................................................... 59
Coil Louver Kits........................................................................................................................................... 59
Base & Coil Louver Kits - Units with Wye-Delta or SS Starter (Code 8 = WD, SS).................................... 59
Base & Coil Louver Kits - Units with VFD Starter (Code 8 = VF, VE)......................................................... 59
BACnet MS/TP Communications Module................................................................................................... 60
BACnet with IP/Ethernet............................................................................................................................. 60
MODBUS Communications Module............................................................................................................ 60
LonMark Communications Module............................................................................................................. 60
Remote Display Kit..................................................................................................................................... 60
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 2
Parts List Revision History
RevisionDateDescription
NEW07/10
New
A
11/11
Page 17 - Corrected part number for Ref. 702 from 703062104 to 073062104.
Page 21 - Added Ref. Bubble 209 to drawing.
Page 22 - Added Ref. 209 O-Ring. Added Check Valve Gasket.
Page 38 - Changed footnote 1 to "see next page" for Contactor KM1-1,2,3.
Page 39 - Added new page for components of Contactor KM1-1,2,3.
Page 42 - Added new page for Box Location& Label of units with VFD Starters.
Page 52 - Added Motor Terminal Plate Gasket.
Page 57 - Added information to description of Sound Enclosure Kit.
Page 58 - Added new page for Field-Installed Fan VFD Kits, Hi Ambient Exhaust Fan Kit
and Rapid Restore Kit.
Page 60 - Corrected part number information for Ref. 650, 700 and 827.
B
04/12
Page 17- Changed ST1,2,3 Sensor-Suct Temp. to two choices, Straight and Bent.
Page 19- Added length description "20 ft." to WD1,2,3 Sensor- Discharge Temp.
Pages 20 & 22- Changed part # for Ref. 113 Filter Drier Core, was 070339101.
Page 24- Added length description "20 ft." to WAA Sensor- Outdoor Air. Changed Motor
part #s, were 10000108802, 03, 04. Added info for Condenser Coil location and
identification.
Page 28 - Added length description "60 ft." to WIE & WOE Sensor- Evap. Changed part number for Ref. 7 Evap Flow Switch, was 331796201.
Page 57- Changed part number for Ref. 7 Evap Flow Switch, was 331796201.
C 07/12
Multiple pages: Added Note: For units built after 8/1/11, contact McQuay Parts for part number identification of Compressors, Check Valves, Economizers, Evaporators and Suction Piping Components.
Page 6 - Corrected Code 29 nomenclature to SL= SD + LL Solenoid, was DS + LL Solenoid.
Page 15 - Changed part # for Ref. 14 Slide Indicator from 330591102 to 330591103.
Page 19 - Added Gasket- Discharge Shut-Off Valve to all circuits.
Pages 31-33 - Corrected title to Code 28= B, was Code 28= B, C, L.
Page 35 - Added Advanced Web Module and footnote 2.
Page 44 - Added Advanced Web Module and footnote 2.
Page 47 - Corrected description for CT4,5,6 to Current Transformer, was Current Sensor.
Page 52 - Expanded Terminal Plate information to include Type A and Type B.
Page 53 - Corrected Group # for 30 Fan- Copper Fin to 11, was 1.
Page 55 - Corrected Group # for 30 Fan- Alum Fin to 42, was 41. Corrected Group # for 28 Fan- Copper Fin to 41, was 42. Corrected Group# for 30 Fan- Copper Fin to 41, was 42.
Page 58 - Corrected Rapid Restore (without VFD starter) to 333930501, was 333930601.
Page 60 - Corrected part number for Ref. 827 MODBUS to 350147413, was 3501474131. Removed LonMark Comm. Module Only from Ref. 920.
D
09/12 Page 15 - Corrected descriptions for Liq Injection Fittings. Added Liq Inj Fitting- Rotolock to Copper and Liq Inj O-Ring.
McQuay International, 13600 Industrial Park Blvd., P.O. Box 1551, Minneapolis, MN 55440 (763) 553-5330
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 3
Nomenclature
Serial Number
STN U 08 05 038
Plant Identification
STN = Staunton, VA
Serial Number
(build sequence)
U= Unit
Year of Manufacture
09= 2009
10= 2010
11= 2011
etc.
Month of Manufacture
07= July
01= January
02= February 08= August
09= September
03= March
10= October
04= April
11= November
05= May
12= December
06= June
Unit Model Number- Dataplate
AWS 375 A T S 27
Voltage
27= 460/60/3
46= 380/60/3
37= 575/60/3
Platform
S= Standard Efficiency
H= High Efficiency
Number of Compressors (circuits)
T= 3
Vintage
Nominal Tonnage
ex. 375= 375 Tons
Unit Type:
AWS= Air- Cooled Screw Compressor Chiller
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 4
Nomenclature
Unit Model Number- Complete
AWS 375A T SE NN ST S A WD Y 27 WN V N
N N LM N G Y N N VL S R
Code 02 0304 05 060708 09 1011 12 1314 1516 17181920212223 2425
L
F
28
29
YNNNNNNN0000000N
26
ENDSUDPLYNNNNNNNNNNNRA1D00
Code
27
G ND
Code
30- 36
46-55
N NNYNNNNNNNN0000000000000000000
37
NN M 6
38- 45
NN
Y
S
00
565758 59 6061 62
Size (in nominal tons)
02
14Meters
375A= 375 Tons 'A' Vintage 445A= 445 Tons 'A' Vintage N= None
400A= 400 Tons 'A' Vintage 470A= 470 Tons 'A' Vintage A= Meters: Unit Amp & Volt
425A= 425 Tons 'A' Vintage 500A= 500 Tons 'A' Vintage
15
Control Box Ambient
530A= 530 Tons 'A' Vintage
N= None
H= With Exhaust Fans
Number of Compressors
03
T= 3
16
Compressor Capacitor
N= None
04Platform
SE= Standard Package- Standard Efficiency
17Communication
HE= Standard Package- High Efficiency
NN= None
LM= LonMark
05Construction
MB= Mod Bus
NN= Standard
BN= BACnet w/ MSTP
BE= BACnet w/ Ethernet
06Sound
ST= Standard Sound
Display Options
18
LN= Low Noise- Sound Enclosure
N= On Controller Only
U= Unit Remote Display
Unit Operation
07
S= Standard (40° - 60° F LWT)
Ground Fault
19
A= Lower Operation (34° - 39° F LWT)
N= None
B= Brine Operation (20° - 33° F LWT)
G= Ground Fault Protection for the Unit
Condenser Coil Fins
08
Always Y
20
A= Aluminum Fin (Standard)
C= Copper Fin
Unit Options
21
B= Aluminum Fin w/Prefab Black Fin Coating
N= None
E= Aluminum Fin w/Electro Fin Coating
C= 115V Convenience Outlet
F= Copper Fin w/Electro Fin Coating
L= Slide Transducer
B= C + L
09
Compressor Starter
10
WD= Wye- Delta w/Compressor Overloads
SS= Solid State
VF= VFD without EMI Filter
VE= VFD with EMI Filter
Always Y
11Voltage
27= 460/60/3
37= 575/60/3
46= 380/60/3
12
Power Connection
PC= Single Point Power Block & Circuit Breakers
DC= Single Point Disconnect & Circuit Breakers
DH= High Short Circuit Current Rating + DC
WN= Multiple Point Disconnect- No Circuit Breaker
WH= High Short Circuit Current Rating + WN
Phase Voltage
13
V= Phase & Under/Over Voltage Protection w/LED
N= None
22
Water Flow
N= None
A= Water Flow Indication on Evaporator Only
Evaporator Connection
23
VL= Victaulic/ Left Hand
VR= Victaulic/ Right Hand
Evaporator Insulation
24
S= Standard Evaporator- Single Layer
D= Standard Evaporator- Double Insulation
Relief Valve
25
R= Single Valve
26Fans
L= Standard Low Noise Fan Motors
27
Head Pressure
F= Fantrol Only (35° F Minimum)
V= VFD (First Fans/ Circuit)
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 5
Nomenclature
Unit Model Number- Complete, Continued
28Guards
G= Condenser Coil Grilles Only
F= Condenser Coil & Base Frame Grilles
L= Condenser Coil Louvers
B= Condenser Coil Louvers & Base Guard Louvers
C= Condenser Coil Louvers and Base Frame Grilles
29 Tubing Options
ND= With Discharge Shut-Off Valve
SD= With Suction and Discharge Shut-Off Valve
LD= ND + Liquid Line Solenoid
SL= SD + Liquid Line Solenoid
30 Always Y
46Approvals
E= ETL/CETL Approval & ARI
T= ETL/CETL Approval & No ARI
47 CRN- Evaporator
1= CRN- BC
3= CRN- Saskatchewan
5= CRN- Ontario
7= CRN- New Brunswick
9= CRN- P.E.I.
0= CRN- NewFoundland
N= None
2= CRN- Alberta
4= CRN- Manitoba
6= CRN- Quebec
8= CRN- Nova Scotia
U= CRN- Yukon
31 Water Pump
NN= None
48 Unit Start
DSU= Domestic Start Up
CPL= Canadian Start Up
ISU= International- No Start Up Provided
32 Pump Type
NNNN= No Pump Package
PPSS= Pump Package Air- Cooled Screw Single Pump
PPSD= Pump Package Air- Cooled Screw Dual Pump
49 Standard Warranty
DPL= Domestic 1st Year Standard
CPL= Canadian 1st Year Standard Warranty
TPN= International 1st Year Standard Warranty
33 Pump Connection
N= No Pump Package
6= 6"
8= 8"
T= 10"
50
34 Pump Flow
Actual 4 digit number based on conditions
35 Total Head
Actual 3 digit number based on conditions
36 Pump Starter
N= No Pump Package
S= Pump Package Starter
37 Pump Gauges
N= None
G= Pressure Gauges
38 Pump Suction Valve
N= None
39 Pump Discharge Valve
N= None
40 Always Y
41 Impeller Trim
NNNN= No Pumps
0000= Impeller Size
42 Expansion Tank
NN= None
43 Buffer Tank
NN= None
Always Y
51 Extended Compressor Warranty
NNNN= No Extended Compressor Warranty
CPE*= Compressor Only- Parts Only (*= no. of years)
CBE*= Compressor Only- Parts & Labor (*= no. of years)
52 Always NNN
53 Extended Unit Warranty
NNNN= None
EPE*= Ext. Unit- Parts Only (*= no. of years)
EBE*= Ext. Unit- Parts & Labor (*= no. of years)
DPE*= Ext. Unit w/Dual Pumps- Parts Only (*= no. of years)
DBE*= Ext. Unit w/Dual Pumps- Parts & Labor (*= no. of years)
SPE*= Ext. Unit w/Single Pump- Parts Only (*= no. of years)
SBE*= Ext. Unit w/Single Pump- Parts & Labor (*= no. of years)
54 Refrigerant Warranty
NNN= None
RA*= Refrigerant 134a Warranty (*= no. of years)
55 Delayed Warranty Start
D00= 0 months
D**= Delayed Warranty Start (**= number of months)
56 Always NN
57 Brand Name
D= DaikenMcQuay
M= McQuay
58Hertz
6= 60 Hertz
59 & 60 Always YY
44 % of Glycol
000= None
E**= Ethylene; **= %
P**= Propylene; **= %
45 Pump Number
All 0's= None
16 digit number= With Pumps
61Misc.
S= Standard Unit
X= Special
62 Major Unit Change Revision
00= No Revision
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 6
Electrical Legend - Units with Wye Delta or SS Starter
Sch. Sym.Description
AC
Alarm Control AM1 Ammeter
C10 EXV-1 Connector
C20 EXV-2 Connector
C30
EXV-3 Connector
C101- 112
Fan Harness Connector
C201- 212
Fan Harness Connector
C301- 310
Fan Harness Connector
CC1, 2, 3
Control Compressor Cir. 1, 2, 3
DP-1, 2, 3
Condenser Pressure Cir. 1, 2, 3
EEXV1, 2, 3
Expansion Valve Controller Cir. 1, 2, 3
ESV-1, 2, 3 Economizer Solenoid Valve Cir. 1, 2, 3
EXV-1, 2, 3 Electronic Expansion Valve Cir. 1, 2, 3
F0-1, 2, 3 Crankcase Heater Fuses/ MSP
F1, 2, 3 Compressor 1, 2, 3 Circuit Breaker
F5-1, 2, 3 Thermal Relay F12 Outlet Fuse
F13 High Pressure Switch Cir. 1
F23 High Pressure Switch Cir. 2 F33
High Pressure Switch Cir. 3
F59 Evaporator Heater Fuse
F90 Thermostat
F100 Fan Circuit Breaker Cir. 1
F112 Phase Volt Monitor Cir. 1
F116 Evaporator Flow Switch
F120 Transformer T1 Protection
F130 Phase Volt Monitor Fuse
F200 Fan Circuit Breaker 2
F212
Phase Voltage Monitor Cir. 2
F230 Phase Volt Monitor Fuse Cir. 2
F300
Fan Circuit Breaker 3
F312
Phase Voltage Monitor Cir. 3
F330
Phase Voltage Monitor Fuse Cir. 3
FC Fan Control
FTB107 Fan Terminal Block Cir. 1
FTB110 Fan Terminal Block Cir. 1 FTB207 Fan Terminal Block Cir. 2
FTB210 Fan Terminal Block Cir. 2
FTB307
Fan Terminal Block Cir. 3
GFR1, 2, 3 Ground Fault Relay Cir. 1, 2, 3
K11 Emergency Stop Contactor
K16 Fan Stage 1
K26 Fan Stage 2
K36 Fan Stage 3
K2B-1, 2, 3 Contactor
KLJ-1, 2, 3 Liquid Injection Relay 1, 2, 3 KM1-1 Compressor Contactor
KM1-2 Compressor Contactor
KM1-3
Compressor Contactor
KM2-1 Compressor Contactor
KM2-2 Compressor Contactor
KM2-3 Compressor Contactor
KM3-1 Compressor Contactor
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Location
Control Panel
Switch Box Door
Starter Panel- Compressor 1
Starter Panel- Compressor 2
Starter Panel- Compressor 3
Condenser Fan Section
Condenser Fan Section
Condneser Fan Section
Starter Panel- Compressor 1, 2, 3
Discharge Line- Circuit 1, 2, 3
Starter Panel- Compressor 1, 2, 3
Liquid Line- Circuit 1, 2, 3
Liquid Line- Circuit 1, 2, 3
Starter Panel- Compressor 1, 2, 3
Power Panel- Right
Starter Panel- Compressor 1, 2, 3
Power Panel- Left
Compressor 1
Compressor 2
Compressor 3
Control Panel
Control Panel
Power Panel- Left
Power Panel- Left
Evaporator Outlet
Power Panel- Left
Power Panel- Left
Power Panel- Left
Power Panel- Left
Power Panel- Left
Power Panel- Left
Power Panel- Left
Power Panel- Left
Control Panel
Power Panel- Left
Power Panel- Left
Power Panel- Left
Power Panel- Left
Power Panel- Left
Power Panel- Left
Control Panel
Power Panel- Left
Power Panel- Left
Power Panel- Left
Starter Panel- Compr 1, 2, 3
Starter Panel- Compr 1, 2, 3
Starter Panel- Compressor 1
Starter Panel- Compressor 1
Starter Panel- Compressor 1
Starter Panel- Compressor 2 Starter Panel- Compressor 2
Starter Panel- Compressor 2
Starter Panel- Compressor 3 Rev. D 09/12 RPL 700014300 / Page 7
Electrical Legend - Units with Wye Delta or SS Starter
Sch. Sym.Description
KM3-2 Compressor Contactor
KM3-3 Compressor Contactor
KM10-1, 2 , 3 Contactor
KM101- 110
Fan Motor Contactor
KM201- 210
Fan Motor Contactor
KM301- 310
Fan Motor Contactor
KT13
Time Delay Relay 1
KT23
Time Delay Relay 2
KT33
Time Delay Relay 3
KT-1, 2, 3 Auxilliary Relay Cir. 1, 2, 3
KT1-1, 2, 3 Delay Relay
LJV-1, 2, 3 Liquid Injection Solenoid Cir. 1, 2, 3
LP1, 2, 3
Low Pressure Switch 1, 2, 3
LR1, 2, 3 Line Reactor Cir. 1, 2, 3
LSV-1, 2, 3 Liquid Line Solenoid Cir. 1, 2, 3
M1, 2, 3 Compressor Cir. 1, 2, 3
M10 Forced Ventilation
M101- 112
Fan Motor
M201- 212
Fan Motor
M301- 310
Fan Motor
MP1, 2, 3 Motor Thermal Protection
MPR1, 2, 3 Motor Protection Relay Cir. 1, 2, 3
OP-1, 2, 3 Oil Pressure Cir. Cir. 1, 2, 3
Q0 Unit ON - OFF Switch
Q1 Pump Down Switch Cir. 1
Q2 Pump Down Switch Cir. 2
Q3
Pump Down Switch Cir. 3
Q10 Main Power Block or Disconnect Switch 1
Q11 Emergency Stop Switch
Q12 Automatic Circuit Breaker
Q20
Main Power Block or Disconnect Switch 2
Q30
Main Power Block or Disconnect Switch 3
Q101- 110
Fan MSP
Q201- 210
Fan MSP
Q301-310
Fan MSP
R1, 2, 3 Compressor Crankcase Heater Cir. 1, 2, 3
R5 Evaporator Heater
REC 1 115V Outlet
SL-1, 2, 3 Slide Indicator Cir. 1, 2, 3
SP-1, 2, 3 Evap. Pressure Circuit 1, 2, 3
SS1 Selection Switch
SS2 Selection Switch
ST-1, 2, 3
Suction Temperature Cir. 1, 2, 3
T1 115V Transformer
T2 24V Transformer
T20-1, 2, 3 Transformer Cir. 1, 2, 3
TC Thermostat- Evaporator Heater
TXV-1, 2, 3
Thermal Expansion Valve Cir. 1, 2, 3
UC
Unit Control- MicroTech III
VFD1, 2, 3
Fan VFD / SpeedTrol
VM1 Volt Meter
W1, 2, 3 Compressor Thermistor Cir. 1, 2, 3
WAA Air Ambient Sensor
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Location
Starter Panel- Compressor 3
Starter Panel- Compressor 3
Starter Panel- Compr 1, 2 ,3
Power Panel- Left
Power Panel- Left
Power Panel- Left
Starter Panel- Compressor 1
Starter Panel- Compressor 2
Starter Panel- Compressor 3
Starter Panel- Compr 1, 2, 3
Starter Panel- Compr 1, 2, 3
Liquid Line/Starter Panel
Compressor 1, 2, 3
Power Panel- Left
Liquid Line- Circuit 1, 2, 3
Base
Switch Box End
Power Panel- Left
Power Panel- Left
Power Panel- Left
Starter Panel- Compr 1, 2, 3
Starter Panel- Compr 1, 2, 3
Compressor 1, 2, 3
Control Panel
Control Panel
Control Panel
Control Panel
Power Panel- Right
Control Box Door
Control Panel
Power Panel- Right
Power Panel- Right
Power Panel- Left
Power Panel- Left
Power Panel- Left
Compressor 1, 2, 3
Evaporator Shell
Control Panel
Compressor 1, 2, 3
Suction Line- Circuit 1, 2, 3
Voltmeter
Ammeter
Suction Line- Circuit 1, 2, 3
Power Panel- Left
Power Panel- Left
Starter Panel- Compr 1, 2, 3
Evaporator
Economizer Liquid Line
Control Panel
Near front of evaporator
Switch Box Door
Compressor 1, 2, 3
Condenser Coil Header
Rev. D 09/12 RPL 700014300 / Page 8
Electrical Legend - Units with Wye Delta or SS Starter
Sch. Sym.Description
WD-1, 2, 3 Oil Discharge Temp. Sensor Cir. 1, 2, 3
WIE Evaporator Entering Water Temperature
WOE Evaporator Leaving Water Temperature
Y2A-1 Non-Modulating Slide Load Sol. Valve Cir. 1
Y2A-2 Non-Modulating Slide Load Sol. Valve Cir. 2 Y2A-3 Non-Modulating Slide Load Sol. Valve Cir. 3 Y2B-1 Modulating Slide Load Solenoid Valve Cir. 1
Y2B-2 Modulating Slide Load Solenoid Valve Cir. 2
Y2B-3 Modulating Slide Load Solenoid Valve Cir. 3
Y3A-1 Non-Mod. Slide Unload Sol. Valve Cir. 1
Y3A-2 Non-Mod. Slide Unload Sol. Valve Cir. 2
Y3A-3 Non-Mod. Slide Unload Sol. Valve Cir. 3
Y3B-1 Mod. Slide Unload Solenoid Valve Cir. 1
Y3B-2 Mod. Slide Unload Solenoid Valve Cir. 2
Y3B-3 Mod. Slide Unload Solenoid Valve Cir. 3
YT-1, 2, 3 Turbo Solenoid Valve Cir. 1, 2, 3
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Location
Discharge Line- Circuit 1, 2, 3
Evaporator Inlet
Evaporator Outlet
Compressor 1
Compressor 2
Compressor 3
Compressor 1
Compressor 2
Compressor 3
Compressor 1
Compressor 2
Compressor 3
Compressor 1
Compressor 2
Compressor 3
Compressor 1, 2, 3
Rev. D 09/12 RPL 700014300 / Page 9
Electrical Legend - Units with VFD Starter
Sch. Sym.Description
AC
Alarm Control AM1 Ammeter
C10 EXV-1 Connector
C20 EXV-2 Connector
C30 EXV-3 Connector
C101- 112
Fan Harness Connector
C201- 212 Fan Harness Connector
C301- 310
Fan Harness Connector
CC1, 2, 3 Control Compressor Cir. 1, 2, 3
DP-1, 2, 3 Condenser Pressure Cir. 1, 2, 3
EEXV1, 2, 3 Expansion Valve Controller Cir. 1, 2, 3
EMI-1, 2, 3
Electromagnetic Interference Filter 1, 2, 3
ESV-1, 2, 3 Economizer Solenoid Valve Cir. 1, 2, 3
EXV-1, 2, 3 Electronic Expansion Valve Cir. 1, 2, 3
F0-1, 2, 3 Crankcase Heater Fuses/ MSP
F1, 2, 3 Compressor 1, 2, 3 Circuit Breaker
F10
Exhaust Fan Fuse
F11
Unit Controller Fuse
F12 Outlet Fuse
F13 High Pressure Switch Cir. 1
F23 High Pressure Switch Cir. 2 F33
High Pressure Switch Cir. 3
F59 Evaporator Heater Fuse
F90 Thermostat
F100 Fan Circuit Breaker Cir. 1
F116 Evaporator Flow Switch
F120 Transformer T1 Protection
F130 Phase Volt Monitor Fuse
F200 Fan Circuit Breaker Cir. 2
F300
Fan Circuit Breaker Cir. 3
FC Fans Control
FTB107 Fan Terminal Block Cir. 1
FTB110 Fan Terminal Block Cir. 1 FTB207 Fan Terminal Block Cir. 2
FTB210 Fan Terminal Block Cir. 2
FTB307
Fan Terminal Block Cir. 3
GFR1, 2, 3 Ground Fault Relay Cir. 1, 2, 3
JFU1, 2, 3
HSCR Fuse 1, 2, 3
K1, 2, 3
Compressor VFD Run Relay 1, 2, 3
K11 Emergency Stop Contactor
K13
Mechanical Hi Pressure Relay & Contactor
K16 Fan Stage Cir. 1
K23
Mechanical Hi Pressure Relay & Contactor
K26 Fan Stage Cir. 2
K33
Mechanical Hi Pressure Relay & Contactor
K36
Fan Stage Cir. 3
KLJ-1, 2, 3
Liquid Injection Relay 1, 2, 3
KM101- 110 Fan Motor Contactor
KM201- 210 Fan Motor Contactor
KM301- 310
Fan Motor Contactor
LJV-1, 2, 3 Liquid Injection Solenoid Cir. 1, 2, 3
LP1, 2, 3
Low Pressure Switch 1, 2, 3
LR1, 2, 3 Line Reactor Cir. 1, 2, 3
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Location
Control Side
Control Box Door
Outside Back of Control Side
Outside Back of Control Side
Outside Back of Control Side
Condenser Fan Section
Condenser Fan Section
Condenser Fan Section
Control Side
Discharge Line- Circuit 1, 2, 3
Control Side
Power Side
Liquid Line- Circuit 1, 2, 3
Liquid Line- Circuit 1, 2, 3
Power Side
Power Side
Control Side
Control Side
Control Side
Compressor 1
Compressor 2
Compressor 3
Control Side
Control Side
Control Side
Evaporator Outlet
Power Side
Control Side
Control Side
Control Side
Control Side
Control Side
Control Side
Control Side
Control Side
Control Side
Control Side
Control Side
Power Side
Control Side
Control Side
Control Side
Control Side
Control Side
Control Side
Control Side
Control Side
Control Side
Control Side
Control Side
Liquid Injection Line 1, 2, 3
Compressor 1, 2, 3
Control Side
Rev. D 09/12 RPL 700014300 / Page 10
Electrical Legend - Units with VFD Starter
Sch. Sym.Description
LSV-1, 2, 3 Liquid Line Solenoid Cir. 1, 2, 3
M1, 2, 3 Compressor Cir. 1, 2, 3
M10 Forced Ventilation
M11
Intake Fan
M12 Exhaust Fan
M101- 112 Fan Motor
M201- 212
Fan Motor
M301- 310
Fan Motor
MP1, 2, 3 Motor Thermal Protection
MPR1, 2, 3 Motor Protection Relay Cir. 1, 2, 3
OP-1, 2, 3 Oil Pressure Cir. Cir. 1, 2, 3
Q0 Unit ON - OFF Switch
Q1 Pump Down Switch Cir. 1
Q2 Pump Down Switch Cir. 2
Q3
Pump Down Switch Cir. 3
Q10 Main Power Block or Disconnect Switch
Q11 Emergency Stop Switch
Q12 Automatic Circuit Breaker
Q101- 110 Fan MSP
Q201- 210 Fan MSP
Q301 - 310
Fan MSP
R1, 2, 3 Compressor Crankcase Heater Cir. 1, 2, 3
R5 Evaporator Heater
REC 1 115V Outlet
SP-1, 2, 3 Evap. Pressure Circuit 1, 2, 3
SS1 Selection Switch 1
SS2 Selection Switch 2 ST-1, 2, 3
Suction Temperature Cir. 1, 2, 3
T1 115V Transformer
T2 24V Transformer
T20-1, 2, 3 Transformer Cir. 1, 2, 3
TC Thermostat- Evaporator Heater
UC
Unit Control- MicroTech III
VFD1, 2, 3
Fan VFD / SpeedTrol
VFD-1
Compressor VFD 1
VFD-2
Compressor VFD 2
VFD-3
Compressor VFD 3
VFU1, 2, 3
Compressor VFD Fuse 1, 2, 3
VM1 Volt Meter
W1, 2, 3 Compressor Thermistor Cir. 1, 2, 3
WAA Air Ambient Sensor
WD-1, 2, 3 Oil Discharge Temp. Sensor Cir. 1, 2, 3
WIE Evaporator Entering Water Temperature
WOE Evaporator Leaving Water Temperature
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Location
Liquid Line- Circuit 1, 2, 3
Base
Outside Wall of Power Side
Outside Wall of Control Side
Control Box Left Door
Condenser Fan Section
Condenser Fan Section
Condenser Fan Section
Control Side
Control Side
Compressor 1, 2, 3
Control Side
Control Side
Control Side
Control Side
Power Side
Control Box Left Door
T1 Transformer
Control Side
Control Side
Control Side
Compressor 1, 2, 3
Evaporator Shell
Control Side
Suction Line- Circuit 1, 2, 3
Voltmeter
Ammeter
Suction Line- Circuit 1, 2, 3
Power Side
Control Side
Control Side
Evaporator
Control Side
Control Side Left Wall
Power Side
Power Side
Power Side
Power Side
Switch Box Door
Compressor 1, 2, 3
Condenser Coil Header
Discharge Line- Circuit 1, 2, 3
Evaporator Inlet
Evaporator Outlet
Rev. D 09/12 RPL 700014300 / Page 11
Unit Layout
(Unit Size 375ATS Shown)
9
9
9
9
9
9
9
9
9
9
9
10
8
12
3
Ref. No.
1
2
3
7
8
9
10
11
12
2
7
Description
Compressors
Tubing (suction, discharge, liquid injection)
Liquid Line and Economizer
Evaporator
Condenser Coil
Condenser Fans
Unit Switch Box/Control Panel *
Compressor Starter Panel (not on units with VFD Starters)
Compressor Terminal Box
11
1
Location
Refrigeration Section
Refrigeration Section
Refrigeration Section
Refrigeration Section
Refrigeration Section
Refrigeration Section
Controls Section
Controls Section
Controls Section
* Control Panel for units with Wye-Delta or Solid State Starters is shown. Larger Panel used on units
with VFD Starters.
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 12
Refrigeration Section
Compressor Charts
For units built after 8/1/11, contact McQuay Parts
for part number identification of Compressors.
Standard Efficiency: Code 4 = S*
High Efficiency: Code 4 = H*
Compressor, Circuit 1
Unit Size
375
400
425
445
470
500
530
Std Eff.
High Eff
B
B
E
E
E
D
D
---B
B
E
E
Compressor, Circuit 2
Unit Size
Std Eff.
375
400
425
445
470
500
530
B
B
E
E
E
D
D
High Eff
---B
B
E
E
Compressor, Circuit 3
Unit Size
Std Eff.
375
400
425
445
470
500
530
B
E
B
E
D
E
D
High Eff.
---B
E
B
E
See next page for Compressor part numbers.
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 13
Refrigeration Section
Compressors
For units built after 8/1/11, contact McQuay Parts
for part number identification of Compressors.
See previous page for Compressor Charts.
Units with VFD Starters: Code 9 = VE, VF
Units without VFD Starters: Code 9 = WD or SS
Compressor B
380V (units w/ VFD Starters)
380V (units w/o VFD Starters)
460V (units w/ VFD Starters)
460V (units w/o VFD Starters)
575V
332525382
332525282
332525362
332525262
332525267
Compressor D
380V (units w/ VFD Starters)
380V (units w/o VFD Starters)
460V (units w/ VFD Starters)
460V (units w/o VFD Starters)
575V
10000108984
10000102384
10000108964
10000102364
10000102369
Compressor E
380V (units w/ VFD Starters)
380V (units w/o VFD Starters)
460V (units w/ VFD Starters)
460V (units w/o VFD Starters)
575V
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
10000108983
10000102383
10000108963
10000102363
10000102368
Rev. D 09/12 RPL 700014300 / Page 14
Refrigeration Section
Compressor Components
Y3A1
60
Circuit # 1 shown
15A Y2A1 60A
15B 15
60B
11
YT1
60A Y3B1
R1
2
2A 2B
13
Y2B1
60
SL1
14
10
50 52
51
53 54
F13
13A
See Compressor Charts to identify compressor.
Ref. Sch. Description
Compressor Compressor Compressor
Qty
No. Sym.
B
D
E
per
compr
2
R1,2,3 Compressor Heater, 380V
2
R1,2,3 Compressor Heater, 460V
2
R1,2,3 Compressor Heater, 575V
2A
Well- Heater
2B
Bushing- Heater
10 F13,23,33 Switch- High Pressure Control, 290 psi
11 OP1, 2, 3 Transducer- Oil Pressure, 0 to 30 bar
13
Relief Valve
13A
Elbow- Relief Valve
14 SL1, 2, 3 Transducer- Slide Indicator (C21= L, B)
15
Discharge Shut-Off Valve
15A Screw, Hex
15B Washer, Lock
50
Isolator, Compr. Mounting
51 Screw, M8 x 2.5 C101
52 Washer, Plain, .312
53 Washer, Lock, .500
54 Screw, M12 x 1.75
55 Washer, Lock, .312
60 Y2*1-1,2,3 Valve, Solenoid- Load
60A Y3*1-1,2,3 Valve, Solenoid- Unload
60B YT-1,2,3 Valve, Solenoid- Turbo
NS
Suction Gasket
NS
Oil Filter
NS
Liq Injection Fitting- Compr (non-Economizer)
NS
Liq Injection Fitting- Compr (with Economizer)
NS
Liq Injection Fitting- Rotolock to Copper
NS
Liq Injection O-Ring
NS
Kit, O-Rings and Gaskets
1
735041266
735041266
735041266 735041267
735041267
735041267 735041268
735041268
735041268
300043894
300043894
300043894 132010016
132010016
132010016 073074009
073074009
073074009
1000109562 10000109562 10000109562 735045859
735045859
735045859 10000108772 10000108772 10000108772
330591103
330591103
330591103 10000107037 10000107037 10000107037
330821925
330821925
330821925
048164816
048164816
048164816
10000107142 10000107046 10000107046 330821929
330821929
330821929 040500322
040500310
040500310 048164814
048164814
048164814 330821921
330821921
330821921 048164810
048164810
048164810 1
1
1
1
1
1
11
1
332115901
332115901
332115901 332115201
332115201
332115201 132010053
132010053
132010053 10000105095 10000105095 10000105095 10000107074 10000107074 10000107074
070194971
070194971
070194971
128810919
128810921
128810921 1
1
1
1
1
1
1
1
1
1
1
4
4
4
8
8
4
4
8
1
1
1
1
1
1
1
Solenoids are comprised of: Valve Body & Adapter p/n 132010102; Valve Coil p/n 131066074; Valve Support Gasket p/n 332130201.
NS = Not Shown
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 15
Refrigeration Section
Suction Lines, Liquid Injection Lines
Representation of piping is
shown. Configuration may vary.
Suction Line
Circuit #1 with
Suction
Shut-off Valve
Suction Line
Circuit #3 with
Suction
Shut-off Valve
104
102
702
704
ST1
100
Suction Line
Circuit #2
with Suction
Shut-off Valve
ST3
700
204
202
ST2
200
Suction
Liquid
Injection
Liquid Injection
Circuit #2
403
413
411
Liquid Injection
Circuit #1
303
313
304
LJV2
404
402
409
Liquid Injection
Circuit #3
LJV1
302
309
811
LJV3
804
311
809
803
813
802
For units built after 8/1/11, contact McQuay Parts for part
number identification of Suction Piping Components.
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 16
Refrigeration Section
Suction Lines, Liquid Injection Lines
For units built after 8/1/11, contact McQuay Parts for part
number identification of Suction Piping Components.
Ref Sch. Part
No. Sym. Description
Suction Line- Circuit #1
100
Valve- Relief
200 PSI
102
Valve- Suction Shutoff
104 ST1 Sensor- Suction Temperature, Straight, 30 ft.
Sensor- Suction Temperature, Bent, 30 ft.
N/S SP1 Transducer- Suction
-1 to 7 bar
Part
Number
Qty.
735045852
073062104
332519703
193414603
10000109563
1
1
1
1
1
200
202
204 ST2
N/S SP2
Suction Line- Circuit #2
Valve- Relief
200 PSI 735045852
Valve- Suction Shutoff 073062104
Sensor- Suction Temperature, Straight, 30 ft. 332519703
Sensor- Suction Temperature, Bent, 30 ft. 193414603
Transducer- Suction Pressure
-1 to 7 bar 10000109563
1
1
1
1
1
700
702
704 ST3
N/S SP3
Suction Line- Circuit #3
Valve- Relief
200 PSI 735045852
Valve- Suction Shutoff 073062104
Sensor- Suction Temperature, Straight, 30 ft. 332519703
Sensor- Suction Temperature, Bent, 30 ft. 193414603
Transducer- Suction Pressure
-1 to 7 bar 10000109563
1
1
1
1
1
302
303
304 LJV1
309
311
313
Liquid Injection- Circuit #1
Fitting- Rotolock 10000107074
Valve- Schrader 071100801
Valve- Solenoid
120V 331451002
Strainer 735030506
Valve- Ball 330286003
Cap- Valve 032943500
1
1
1
1
1
1
402
403
404 LJV2
409
411
413
Liquid Injection- Circuit #2
Fitting- Rotolock 10000107074
Valve- Schrader 071100801
Valve- Solenoid
120V 331451002
Strainer 735030506
Valve- Ball 330286003
Cap- Valve 032943500
1
1
1
1
1
1
802
803
804 LJV3
809
811
813
Liquid Injection- Circuit #3
Fitting- Rotolock 10000107074
Valve- Schrader 071100801
Valve- Solenoid
120V 331451002
Strainer 735030506
Valve- Ball 330286003
Cap- Valve 032943500
1
1
1
1
1
1
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 17
Refrigeration Section
Discharge Lines
Representation of piping is
shown. Configuration may vary.
908
609
WD2
608
605
DP2
903
603 604
900
909
WD3
904
905
DP3
901
600 601
Discharge
Ckt. 3
500
501
503
508
Discharge
Ckt. 1
504
505
509
DP1
WD1
Discharge
Ckt. 2
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 18
Refrigeration Section
Discharge Lines
Ref Sch. Part
No. Sym. Description
Discharge Line- Circuit #1
500
Coupling 3.13
501
Kit- Flange 4.12
503
Valve- Schrader
504
Core- Valve
505 DP1 Transducer- Discharge Pressure
0 to 30 bar
508
Tube- Sensor
509 WD1 Sensor- Discharge Temperature, 20 ft.
NS
Gasket- Discharge Shut-Off Valve
Part
Number
Qty.
10000108703
735016406
071100801
026541100
10000109562
070228901
193414602
070199144
1
1
1
1
1
1
1
1
600
601
603
604
605 DP2
608
609 WD2
NS
Discharge Line- Circuit #2
Coupling 3.13 10000108703
Kit- Flange 4.12 735016406
Valve- Schrader 071100801
Core- Valve 026541100
Transducer- Discharge Pressure
0 to 30 bar 10000109562
Tube- Sensor 070228901
Sensor- Discharge Temperature, 20 ft. 193414602
Gasket- Discharge Shut-Off Valve 070199144
1
1
1
1
1
1
1
1
900
901
903
904
905 DP3
908
909 WD3
NS
Discharge Line- Circuit #3
Coupling 3.13 10000108703
Kit- Flange 4.12 735016406
Valve- Schrader 071100801
Core- Valve 026541100
Transducer- Discharge Pressure
0 to 30 bar 10000109562
Tube- Sensor 070228901
Sensor- Discharge Temperature, 20 ft. 193414602
Gasket- Discharge Shut-Off Valve 070199144
1
1
1
1
1
1
1
1
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 19
Refrigeration Section
Liquid Lines- Standard Efficiency Units
(Code 04= S*)
For units built after 8/1/11,
contact McQuay Parts for
part number identification
of Check Valves and
Economizers.
Representation of tubing is
shown. Configuration may vary.
109
107
102 101 100
112
107
113
108
114
100
101
115
116
119
124
EXV3
114
113
112
LSV3
102
102
109
100
101
116 115
108
Circuit #3
107
102 101 100
107
Circuit #2
102
101
116 100
109
112
115
107 119
EXV1
100 101
113 114
124
119
EXV2
LSV2
102
108
Evaporator
107
Circuit #1
124
LSV1
100 101
102
Ref
Sch.
No.
Sym.
100
101
102
107
108
109
112
113
114
115
116
119 EXV1,2,3
124 LSV1,2,3
Part
Part
Qty.
Description
Number
per circuit
Valve- Schrader 071100801
3
Core- Valve 026541100
3
Cap- Valve 032943500
3
Valve- Charge
.37 x .37 038689900
3
Valve- Ball
1.625 330286087
1
Bracket- Drier 10000101769
1
Shell- Filter Drier 071993505
1
Core- Filter Drier 330694401
4
Kit- Drier Gasket 074783601
2
Saddle- Sight Glass 330508705
1
Cap- Sight Glass 330508701
1
Valve- Electronic Expansion
12V/6W 10000107041
1
Valve- Liquid Line Solenoid
C29= SD, SL 331451007
1
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 20
Refrigeration Section
Liquid Lines with Economizer- High Efficiency Units
(Code 04= H*)
Representation of Circuit 1 is shown.
Configuration may vary.
(Circuits 2 & 3 have
same components)
208 209
201
Compressor
Economizer
Connection
From Economizer S4
200
To
204
Co
m
pr
es
Line Between
Economizer and
Compressor
so
r
101
100
102
109
101
100 102
114
101
112 113
102
iz
m
Fro onom
Ec
S4
er
100
Fro
mE
108
116
115
To
S1
d
on
om
Fr
SV
r
se
en
Condenser to Economizer
id
qu
Li ne
Li e
Te
Ev
ap
101
100
102
n
tio
a
liz
ua
Eq e
b
Tu
C
107
6
101
100
102
ora
tor
S4
or r
ss
e
pre ens
m
d
Co
on
o
C
T
m
Fro
Circuit 1
Circuit 2
m
Fro
id
iqu
ee
eT
Lin
L
S1
Economizer
2
1
TXV_
ESV_
S3
S2
Co
nn
ec
ts
To
E
107
va
p
ora
tor
To
100
Economizer to
Evaporator
m
Fro
EXV_
124
m
no
ap
Ev
2
rS
ize
119
tor
ora
101 102
o
Ec
LSV_
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 For units built after 8/1/11,
contact McQuay Parts for
part number identification
of Check Valves and
Economizers.
RPL 700014300 / Page 21
Refrigeration Section
Liquid Lines with Economizer- High Efficiency Units
(Code 04= H*)
For units built after 8/1/11, contact McQuay Parts for
part number identification of Check Valves and
Economizers.
Ref
Sch.
Part
Part
No.
Sym.
Description
Number
1
ESV1,2,3 Valve- Economizer Solenoid
331451003
2
TXV1,2,3 Valve- Thermal Expansion see next page
6
Economizer- Brazed Plate see next page
100
Valve- Schrader
071100801
101
Core- Valve
026541100
102
Cap- Valve
032943500
107
Valve- Charge
.37 x .37
038689900
108
Valve- Ball
1.625
330286087
109
Bracket- Drier 10000101769
112
Shell- Filter Drier
071993505
113
Core- Filter Drier
330694401
114
Kit- Drier Gasket
074783601
115
Saddle- Sight Glass
330508705
116
Cap- Sight Glass
330508701
119 EXV1,2,3 Valve- Electronic Expansion
12V/6W 10000107041
124 LSV1,2,3 Valve- Liquid Line Solenoid
C29= SD, SL
331451007
200
Connector- Economizer 10000105027
201
Fitting- Economizer 10000107073
204
Valve- Check
070300705
Gasket for Check Valve
P292C-14
208
O-Ring
070194970
209
O-Ring
070199104
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 Qty.
per
circuit
1
1
1
4
4
4
3
1
1
1
4
2
1
1
1
1
2
2
2
2
2
2
RPL 700014300 / Page 22
Refrigeration Section
Liquid Lines with Economizer- High Efficiency Units
(Code 04= H*)
For units built after 8/1/11, contact McQuay Parts for
part number identification of Check Valves and
Economizers.
Used with
Used with
Used with
Unit Size
Compressor 1
Compressor 2
Compressor 3
375
-----
400
-----
425
-----
445
BBB
470
BBE
500
EEB
530
EEE
Use the chart above to determine the TXV / Economizer group . Use the chart below to identify the
component part numbers.
Ref. #
Description
Part
Number
Qty.
per circuit
TXV/Economizer B
2
6
Thermal Expansion Valve
Economizer
330692927
10000107023
1
1
TXV/Economizer E
2
6
Thermal Expansion Valve
Economizer
330692928
10000107024
1
1
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 23
Refrigeration Section
Condenser Coils and Fans
2
Fan
Detail
1
4
50
100A
C1
100B
C2
200A
200B
C3
Condenser
Section
3
5
C4
Ref Sch. Part
No. Sym. Description
1
2
3
4
5
5
5
M*** Motor- Fan, 380V
M*** Motor- Fan, 460V
M*** Motor- Fan, 575V
50 WAA
100A
100B
200A
200B
Panel- Fan Deck
Grille- Fan
Bracket- Fan Motor
Blade- Fan
1.4 HP
1.4 HP
1.4 HP
Sensor- Outdoor Air, 20 ft. 1
Coils- Condenser, C1 Circuit 1, LH
Coils- Condenser, C2 Circuit 1, RH
Coils- Condenser, C4 Circuit 2, LH
Coils- Condenser, C3 Circuit 2, RH
Part
Number
Quantity
10000108765
10000107008
10000100048
10000107009
1 per fan - see next page
1 per fan
1 per fan
1 per fan
10000108872 10000108873
10000108874
1 per fan
1 per fan
1 per fan
193414602
1 per unit
1 per unit
1 per unit
1 per unit
1 per unit
Contact McQuay Parts
Contact McQuay Parts
Contact McQuay Parts
Contact McQuay Parts
Mounted to Condenser Coil tubesheet behind the switch box.
***= Fan number 101 - 310.
1
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 24
Refrigeration Section
Fan Totals per Unit
Standard Efficiency: Code 4 = S*, High Efficiency: Code 4 = H*
UnitStd. Eff.
High Eff.
Size Ckt 1 Ckt 2
Ckt 3
Total Ckt1 Ckt 2
Ckt 3 Total
375 7 7 8
= 22-- --
--- 400 7 7 8
= 22-- --
--- 425
8
8
8
= 24
--
--
--
--
445
8
8
8
= 24
8
8
8 = 24
470
8
8
10
= 26
8
8
10 = 26
500
10
10
8
= 28 10
10
8 = 28
530
10
10
10
= 30 10
10
10 = 30
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 25
Refrigeration Section
Evaporator Diagram
F116
10
9
7
1
4A WOE
8
5
18
WIE
4
8A
19
2
9
10
5
2A
15
Liquid Connection
End
18
14
12
20
Suction Connection
End
20
6
For units built after 8/1/11, contact McQuay Parts for
part number identification of Evaporator Assemblies.
All other Evaporator parts listed apply to all dates.
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 26
Refrigeration Section
Evaporator Components
For units built after 8/1/11, contact McQuay Parts for
part number identification of Evaporator Assemblies.
All other Evaporator parts listed apply to all dates.
Ref. No. 1: Evaporator
Description / Unit Sizes
Standard Efficiency Units (Code 4= S*)
375A
400A
425A
445A
470A
500A
530A
Left-Hand Evap
10000108730
10000108732
10000108733
10000108733
10000108733
10000108733
10000108733
High Efficiency Units (Code 4= H*)
445A
470A
500A
530A
10000108732
10000108733
10000108733
10000108733
See next page for Evaporator components.
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 27
Refrigeration Section
Evaporator Components
Ref
No.
Sch.
Part
Sym.Description
Part No.
Qty.
2
2A
Ferrule- Liquid
Flange- Liquid
E44070043
E44060009
3
3
4
4A
Sensor- Evaporator Inlet, 60 ft.
Sensor- Evaporator Outlet, 60 ft.
193414606
193414606
1
1
Well- Sensor
070716307
2
6 R5
Heater- Evaporator
7
F116
Switch- Evaporator Flow
Cable- for Evap Flow Switch
E44191111
1
331796201
330571403
1
1
8
8A
Gasket- Inlet Head
Gasket- Suction Head
E44136603
E44136603
1
1
9
9
Gasket- Distributor
Gasket- Distributor
E44136604
E44136605
2
1
10
O'Ring- Liquid
E44130170
3
12
Bolt- Liquid Ferrule
E10154000
12
14
Bolt- Suction Connection
E14155000
12
15
O'Ring- Suction
E44130201
3
18
18
18
Bolt- Head (M14- 16 x 1.5 x 130)
Bolt- Head (M16 x 1.5 x 145)
Bolt- Head (M16 x 1.5 x 70)
E16151300
E16151400
E16157000
22
4
22
19
Valve- Mini Ball, 0.50 NPT
071596201
1
WIE
WOE
5
20
Pad- Vibration, 4" x 3.25"
735008725
NS
Insulation 047662050
4
as
needed
NS = Not Shown
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 28
Coil and Base Frame Grilles
Coil Grilles
Code 28=G, F
Standard Efficiency: Code 4 = S*
High Efficiency: Code 4 = H*
Std. Unit Eff.
Size Total
Fans
375
22
400
22
425
24
445
24
470
26
500
28
530
30
High Eff.
Total
Fans
---24
26
28
30
Unit configuration will vary
with number of fans.
1
Ref Part
Part
No. Description Number
1 Grille- Coil 1 10000107007
1
Quantity
1 per fan
Each coil louver is attached using six (6) screws p/n 331578401.
3
2
Base Frame Grilles
Code 28=F, C
22 Fan Unit shown
1
4
Ref
No.
1
2
3
4
1
2
Part
Description
Grille- Base 1
Grille- Left Hand Rear 2
Grille- Right Hand Rear 2
Grille- Front 2
Part
Number
10000108704
10000108705
10000108706
10000108707
Quantity
1 per fan
1 per unit
1 per unit
1 per unit
Each base grille is attached using four (4) screws p/n 331578401.
Each front or rear grille is attached using six (6) screws p/n 331578401. Front Grille not used on units with VFD Starters.
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 29
Coil Louvers
Code 28=L, B, C
Standard Efficiency: Code 4 = S*
High Efficiency: Code 4 = H*
Std. Unit Eff.
Size Total
Fans
375
22
400
22
425
24
445
24
470
26
500
28
530
30
High Eff.
Total
Fans
---24
26
28
30
2
Unit configuration will
vary with number of fans.
Ref Part
Part
No. Description Number
2 Louvered Panel- Coil 1 10000101793
1
Quantity
1 per fan
Each coil louver is attached using six (6) screws p/n 331578401.
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 30
Base Frame Louvers
Code 28= B
22-24 Fan Units
Standard Efficiency: Code 4 = S*
High Efficiency: Code 4 = H*
Std. Unit Eff.
Size Total
Fans
375
22
400
22
425
24
445
24
470
26
500
28
530
30
High Eff.
Total
Fans
---24
26
28
30
7
5
4
6
2
5
10
11
6
5
6
22 Fan Unit
3
5
4
5
4
6
6
5
4
5
10
6
2
6
6
4
11
3
6
4
10
5
6
5
10
5
4
6
5
4
24 Fan Unit
# of Fans screws
Ref Part
Part
per
No. Description
Number
22 24 panel 2
2 Louvered Panel- Rear Bottom 10000101795
1
1
16
3 Louvered Panel- Rear Top 10000101796
1
1
10
4 Louvered Panel- Side 10000101797
9 14
6
5 Louvered Panel- Side 10000101798
6
5
10
6 Louvered Panel- Side 10000101799
6
5
10
7 Louvered Panel- Side 10000101792
1
14
10 Louvered Panel- Front Side 1332527901 2 2
9
11 Louvered Panel- Front Center 1332527902 1 1
10
1
2
Front Side and Front Center Panels not used on units with VFD Starters.
Screw part number 331578401.
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 31
Base Frame Louvers
Code 28= B
26-28 Fan Units
Standard Efficiency: Code 4 = S*
High Efficiency: Code 4 = H*
Std. Unit Eff.
Size Total
Fans
375
22
400
22
425
24
445
24
470
26
500
28
530
30
High Eff.
Total
Fans
---24
26
28
30
5
4
5
4
6
3
6
5
2
6
6
4
5
6
10
4
11
5
4
5
10
6
4
26 Fan Unit
4
5
6
3
5
4
2
6
6
4
5
6
4
10
11
10
5
28 Fan Unit
4
# of Fans screws
Ref Part
Part
per
No. Description
Number
26 28 panel 2
2 Louvered Panel- Rear Bottom 10000101795
1
1
16
3 Louvered Panel- Rear Top 10000101796
1
1
10
4 Louvered Panel- Side 10000101797
16 20
6
5 Louvered Panel- Side 10000101798
5
4
10
6 Louvered Panel- Side 10000101799
5
4
10
10 Louvered Panel- Front Side 1332527901 2 2
9
11 Louvered Panel- Front Center 1332527902 1 1
10
1
2
Front Side and Front Center Panels not used on units with VFD Starters.
Screw part number 331578401.
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 32
Base Frame Louvers
Code 28= B
30 Fan Units
Standard Efficiency: Code 4 = S*
High Efficiency: Code 4 = H*
Std. Unit Eff.
Size Total
Fans
375
22
400
22
425
24
445
24
470
26
500
28
530
30
High Eff.
Total
Fans
---24
26
28
30
5
4
5
4
6
4
5
3
6
2
6
6
6
4
10
11
10
5
5
4
30 Fan Unit
4
# of Fans screws
Ref Part
Part
per
No. Description
Number 30
panel 2
2 Louvered Panel- Rear Bottom 10000101795 1
16
3 Louvered Panel- Rear Top 10000101796 1
10
4 Louvered Panel- Side 10000101797 20
6
5 Louvered Panel- Side 10000101798 5
10
6 Louvered Panel- Side 10000101799 5
10
10 Louvered Panel- Front Side 13325279012
9
11 Louvered Panel- Front Center 13325279021
10
1
2
Front Side and Front Center Panels not used on units with VFD Starters.
Screw part number 331578401.
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 33
Controls
Units with Wye-Delta or Solid State Starter (Code 9 = WD, SS)
Box Locations and Label Detail
Control Panel
Power Panel- Left Side
Power Panel- Right Side
5
4
Terminal Box
6
(one per compressor)
3
2
1
Circuit 2
Starter Box
Fan VFD
location
Solid State
Starter Panel
Label Detail
(one per compressor)
Circuit 2 shown
For all control components not detailed or for unit specific
controls (i.e. main disconnect, solid state contactors), 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.
or
Control Box Serial Number
“S” + Year + ##### + detail#
Wye- Delta
Starter Panel
(one per compressor)
Circuit 2 shown
Control Box Part Number
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 34
Controls
Units with Wye-Delta or Solid State Starter (Code 9 = WD, SS)
Control Panel Detail
Sch.
Sym.
AC
AWM
F12
F59
FC
FC2
FC3
K11
Q0
Q1
Q2
Q3
Q11
Q12
REC1
UC
Part
Part
Description
NumberQty.
Expansion Controller- Alarms 193407501
1
Advanced Web Module 2193408502 1
Fuse- Outlet 300046446
1
Fuse- Evaporator Heater Protection 300046455
1
Expansion Controller- Fans 193407601
1
Expansion Controller- Fans 193407601
1
Expansion Controller- Fans 193407601
1
Relay- Emergency Stop 300046445
1
Switch- Unit Shut Off 300046456
1
Switch- Pumpdown
Circuit #1 300046456
1
Switch- Pumpdown
Circuit #2 300046456
1
Switch- Pumpdown
Circuit #3 300046456
1
Switch- Emergency Stop 1300046448 1
Circuit Breaker 300046447
1
Receptacle
330472601
1
Controller- MicroTech III 193407301
1
Mounted through the door.
This control board must be programmed in order to function correctly. When ordering a replacement, provide the unit model and
serial number so that unit specific software code can be loaded before shipment.
1
2
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 35
Controls
Units with Wye-Delta or Solid State Starter (Code 9 = WD, SS)
Power Panel Detail
M10
Q101Q107
KM102-107
Q201Q207
F1 or
Q20
P10 or
Q10
F2 or
Q30
F3
KM202-207
Q301Q310
KM302-310
Sch. Sym.
F1, 2, 3
P10
Q10
Q20
Q30
Part Description
Circuit Breaker- Compressor 1, 2, 3
Power Block- Main Switch- Main Disconnect
Switch- Main Disconnect
Switch-Main Disconnect
Only on Single Point units: C12= PC, DC, DH
Units with Power Block: C12= PC
Units with Disc Switch: C12= DC, DH, WN, WH
Only on Multi-Point units: C12= WN, WH
Only on Multi-Point units: C12= WN, WH
To insure proper replacement part number for any of the items above, contact McQuay Parts with the Control
Box Serial Number and Control Box Part number. See earlier Controls page for Label example.
See next page for other Power Panel component part numbers.
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 36
Controls
Units with Wye-Delta or Solid State Starter (Code 9 = WD, SS)
Power Panel Detail
Sch.
Sym.
AM1
F100, 200, 300
F112, 212, 312
F120
F120
F120
F130, 230, 330
GFR1, 2, 3
GFR1 CT
K16, 26, 36
KM102- 107
KM202- 207
KM302- 310
LR1, 2, 3
M10
Q101- 107
Q201- 207
Q301- 310
T1
T1
T1
T2
VFD1, 2, 3
VFD1, 2, 3
VFD1, 2, 3
VM1
1
2
Part
Part
Description
NumberQty.
Ammeter: 0-1500A 1
Code 14= A
300046459
1
Circuit Breaker- Circuit #1 Fans
600V/100A
300043195
3
Phase Voltage Monitor
300040118
3
Fuse- Control Transformer
208/230V
300046446
1
Fuse- Control Transformer
380V
300046449
1
Fuse- Control Transformer
460V, 575V
300046450
1
Fuse- PVM
300046454
3
Relay- Ground Fault
330315101
3
Ground Fault Current Sensor
349937410
1
Relay- Fan Motor
300046445
3
Contactor- Fans
Circuit #1
300046444 1/fan
Contactor- Fans
Circuit #2
300046444 1/fan
Contactor- Fans
Circuit #3
300046444 1/fan
Line Reactor 460V
300046411
3
Control Box Exhaust Fan
300047148
1
MSP- Fans
Circuit #1
300046443 1/fan
MSP- Fans
Circuit #2
300046443 1/fan
MSP- Fans
Circuit #3
300046443 1/fan
Transformer- Control
208/230/460V:120V
300046451
1
Transformer- Control
380V:120V
300046453
1
Transformer- Control
575V:120V
300046452
1
Transformer
24V300046472 1
Fan VFD 2
208/230V300046457 3
Fan VFD 2
380V, 460V
300046412
3
Fan VFD 2
575V300046259 3
Volt Meter: 0- 600V 1
Code 14= A
300046460
1
Mounted on the outside of the power panel door.
Not shown - The Fan VFDs are located on the cross rail near the front of the Evaporator.
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 37
Controls
Solid State Starter Panel
Code 09= SS
K2B-1
KT-1
F0-1
LJV-1
MPR-1
EEXV1
KM1-1
CC1
MP1
T20-1
Circuit 1 shown
Sch.
Sym.
CC1, 2, 3
EEXV1, 2, 3
F0-1, 2, 3
K2B-1, 2, 3
KLJ-1, 2, 3
KM1-1, 2, 3
KT-1, 2, 3
MP1, 2, 3
MPR-1, 2, 3
T20-1, 2, 3
Part
Description
Controller- Circuit
Controller- Expansion Valve
MSP- Heater
Contactor- Turbo
Relay- Liquid Injection
Contactor- Solid State
Relay- Turbo Solenoid
Motor Protector
Relay- Motor Protection
Transformer- 120V to 24V
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Part
Number
193407501
300046465
300044140
349934724
300046470
see next page
300046470
330343902
330278110
300046466
Rev. D 09/12 Qty per
Panel
1
1
1
1
1
1
1
1
1
1
RPL 700014300 / Page 38
Controls
Solid State Starter Panel
Code 09= SS
7
1
MX2 Card
6
3
2
5
5
5
KM1-1,2 Contactor Assy 300048732 used on:
AWS 375-400, Std Eff, circuit 1........AWS 375-400, Std Eff, circuit 2....... AWS 375 & 425, Std Eff, circuit 3
AWS 445-470, High Eff, circuit 1......AWS 445-470, High Eff, circuit 2..... AWS 445 & 500, High Eff, circuit 3
Sch.
Part
Sym.
Description
KM1-1, 2, 3 Contactor - Solid State, complete assembly
includes:
'
1 MX2 Low Voltage Motor Starter Card
2 Contactor Bypass, 75A, 50HP, 120V
3 Surge Suppressor
5 SCR, 660A, 1800V
6 Current Transformer
7 Snubber Assembly
Part
Number
Qty per
panel
300048732
1
300048820
300040148
300043749
300042134
300042127
300043777
1
3
3
6
3
1
KM1-1,2 Contactor Assy 300047990 used on:
AWS 425-530, Std Eff, circuit 1......AWS 425-530, Std Eff, circuit 2..... AWS 400 & 445-530, Std Eff, circuit 3
AWS 500-530, High Eff, circuit 1....AWS 500-530, High Eff, circuit 2... AWS 470 & 530, High Eff, circuit 3
Sch.
Part
Part
Qty per
Sym.
Description
Number
panel
KM1-1, 2, 3 Contactor - Solid State, complete assembly
300047990
1
includes:
'
1 MX2 Low Voltage Motor Starter Card
300048820
1
2 Contactor Bypass, 85A, 60HP, 120V
300043218
3
3 Surge Suppressor
300043749
3
5 SCR, 660A, 1800V
300042134
6
6 Current Transformer
300042127
3
7 Snubber Assembly
300043777
1
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 39
Controls
Wye-Delta Starter Panel
Code 09= WD
KT1-1
K2B-1 KT-1
LJV-1
FO-1
MPR-1
EEXV1
F5-1
MP1
CC1
KM3-1
KM2-1
KM1-1
T20-1
Circuit 1 shown
Sch. Part
Sym.
Description
CC1, 2, 3
Controller- Circuit
EEXV1, 2, 3
Controller- Expansion Valve
F0-1, 2, 3
Heater- MSP
F5-1, 2, 3
Overload- Thermal
K2B-1, 2, 3
Contactor- Turbo Relay
KLJ-1, 2, 3
Relay- Liquid Injection
KM1-1, 2, 3
Contactor- Wye Delta
KM2-1, 2, 3
Contactor- Wye Delta
KM3-1, 2, 3
Contactor- Wye Delta
KT-1, 2, 3
Relay- Turbo Solenoid
KT1-1, 2, 3
Time Delay- Starter
MP1, 2, 3
Motor Protector
MPR-1, 2, 3
Relay- Motor Protection
T20-1, 2, 3
Transformer- 120V to 24V
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Part
Number
193407501
300046465
300044140
See next page
349934724
300046470
See next page
See next page
See next page
3000464701
300046469
330343902
330278110
300046466
Rev. D 09/12 Qty per
Panel
1
1
1
1
1
1
1
1
1
RPL 700014300 / Page 40
Controls
Wye-Delta Starter Panel
Code 09= WD
Starter Label example.
Refer to the Starter Label to identify the Starter Max RLA.
Starter
Compressor Circuit Breakers Thermal
Max
Unit
KM1-1, 2, 3 Overload
RLA
Voltage
KM2-1, 2, 3
KM3-1,2, 3 F5-1, 2, 3
200A
all
150A
300042135
105A
300042917
130A300046493
241A
all
180A
300040787
180A
300040787
150A300046494
275A
all
250A
300042136
180A
300040787
150A300046494
317A
all
250A
300042136
180A
300040787
200A300046495
413A
208V
300A
300042137
300A
300042137
250A300046496
413A
230V
300A
300042137
180A
300040787
250A300046496
413A 380V w/o Economizer 300A
300042137
300A
300042137
250A300046496
413A 380V w/ Economizer
300A
300042137
180A
300040787
250A300046496
551A
all
400A
300042138
300A
300042137
350A300046497
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 41
Controls
Units with VFD Starters (Code 9 = VE or VF)
Box Locations and Label Detail
Control Panel
Power Panel
Fan VFD
location
Label Detail
For all control components not detailed or for unit specific
controls (i.e. main disconnect, solid state contactors), 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
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 42
Controls
Units with VFD Starters (Code 9 = VE or VF)
Control Side
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 43
Controls
Units with VFD Starters (Code 9 = VE or VF)
Control Side
Sch.
Sym.
AC
AWM
CC1,2,3
EEXV1,2,3
F11
F12
F59
F120
FC, FC2,3
GFR1,2,3
K11
K13
K16
K23
K26
K33
K36
KLJ-1,2,3
MP1,2,3
MPR1,2,3
Q0
Q1,2,3
Q11
REC1
T2
T20-1,2,3
UC
VFD1,2,3
Part
Part
Description
NumberQty.
Expansion Controller- Alarms
193407501
1
Advanced Web Module
193408502
1
Controller- Circuit
193407501
3
Extension I/O for Electr. Exp. Valve
193441201
3
Fuse- Unit Controller, 10A Rejection Type
349937131
1
Fuse- Outlet
349937131
1
Fuse- Evaporator Heater Protection
349937116
1
Fuse- Control Transformer, 12A Rejection Type (380V & 460V)
349937132
3
Expansion Controller- Fans
193407601
3
Relay- Ground Fault
193432101
*
Relay- Emergency Stop
349934765
1
Relay- Mechanical High Pressure, Circuit 1
349934764
1
Relay- Fan Motor, Circuit 1
349934764
1
Relay- Mechanical High Pressure, Circuit 2
349934764
1
Relay- Fan Motor, Circuit 2
349934764
1
Relay- Mechanical High Pressure, Circuit 3
349934764
1
Relay- Fan Motor, Circuit 3
349934764
1
Relay- Liquid Injection
193439901
3
Motor Thermal Protection
193445901
3
Relay- Motor Protector
349934762
3
Switch- Unit Shut Off
001355000
1
Switch- Pumpdown
001355000
1
Switch- Emergency Stop (Not shown -mounted through the door) 193441101
1
Receptacle- Ground Fault Interrupter
039003600
1
Transformer- 100VA, 115V-24V
330386105
1
Transformer- 50VA, 115V-24V
349937203
3
Controller- MicroTech III
193407301
1
Fan VFD 1193445601 3
Not shown - Fan VFDs are located on the left wall of the Control Side on units with VFD Starters.
This control board must be programmed in order to function correctly. When ordering a replacement, provide the unit model and serial number so that unit specific software code can be loaded before shipment.
*Qty = 1 on Std Short Circuit units (Code 12 = PC,DC,WN); Qty = 3 High Short Circuit units (Code 12 = DH, WH)
1
2
Code 14=A Unit Size
AM1 all
Efficiency
Voltage
all
all
Description
Part Number Qty
Ammeter- 0-1200A 1 1934460021
VM1all allallVoltmeter- 0-600V 1
1
1934467011
Mounted on the outside of the control box door.
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 44
Controls
Units with VFD Starters (Code 9 = VE or VF)
Control Side
Units with High Short Circuit Current Rating (Code 12=DH,WH)
Q101-310: Contact McQuay Parts
Units with Standard Short Circuit Current Rating (Code 12 = PC, DC, WN)
Sch.
Part
Sym. Description
Units without Fan VFDs (Code 27 = F)
Q101-110 MSP- Fans
Circuit #1
Q201- 210 MSP- Fans
Circuit #2
Q301- 310 MSP- Fans
Circuit #3
349934055
349934055
349934055
1/fan
1/fan
1/fan
Units with Fan VFDs (Code 27 = V)
Q101 Manual Mtr Starter- Fans
Q201 Manual Mtr Starter- Fans
Q301 Manual Mtr Starter- Fans
Q102- 110 MSP- Fans, Low Short Circuit
Q202- 210 MSP- Fans, Low Short Circuit
Q302- 310 MSP- Fans, Low Short Circuit
193439703
193439703
193439703
349934055
349934055
349934055
1/fan
1/fan
1/fan
1/fan
1/fan
1/fan
Circuit #1
Circuit #2
Circuit #3
Circuit #1
Circuit #2
Circuit #3
Sch. Sym. Part Description
Part
NumberQty.
Part Number
Qty
NS
NS
NS
NS
F10
F100
F200
F300
Exhaust Fan Fuse, 10A
049759816
Circuit Breaker- Circuit #1 Fans Contact McQuay Parts
Circuit Breaker- Circuit #2 Fans Contact McQuay Parts
Circuit Breaker- Circuit #3 Fans Contact McQuay Parts
1
NS
F130
Fuse- PVM
349937120
1
NS
NS
NS
JFU1,2,3
JFU1,2,3
JFU1,2,3
High Short Circuit Fuse, 30A, 600V
High Short Circuit Fuse, 60A, 600V
High Short Circuit Fuse, 100A, 600V
193403108 **
193403113 **
193403117 **
1
1
1
Circuit #1
Circuit #2
Circuit #3
349932123
349932123
349932123
1/fan
1/fan
1/fan
NS KM101- 110 Contactor- Fans
NS KM201- 210 Contactor- Fans
NS KM301- 310 Contactor- Fans
NS
LR1, 2, 3
Line Reactor 349964902
3
NS
NS
SS1
SS2
Switch- Voltmeter
Switch- Ammeter
193446601
193446101
1
1
** Contact McQuay Parts to determine which High Short Ckt Fuse is used in a specific unit.
NS = Not Shown
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 45
Controls
Units with VFD Starters (Code 9 = VE or VF)
Power Side
Q10
or
PB1
Q12
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 46
Controls
Units with VFD Starters (Code 9 = VE or VF)
Power Side
Sch.
Sym.
CT 4,5,6
Part
Part
Description
Number
Qty.
Current Transformer, 1200:5A1934322073
F0-1,2,3
F0-1,2,3
Crankcase Heater MSP (Code 12= PC, DC or WN)
Crankcase Heater MSP (Code 12= DH or WH)
349934026
349934006
3
3
K1,2,3
K1,2,3
Relay- Crankcase Heater (Code 12= PC, DC or WN)
Relay- Crankcase Heater (Code 12= DH or WH)
193454201
193454301
3
3
Fuse- Control Transformer, 20A Non-rejection Type
349937036
1
T1
Transformer- Control, 2000VA, 380V-115V
T1
Transformer- Control, 2000VA, 460V-115V
T1 Transformers include the following:
Finger Safe Cover for T1
Fuse Puller Kit for T1
349992908
038253958
1
1
Q12
349955901
349955801
Sch.
Part
Sym.
Number
Qty
Units with Single Point Pwr Blk or Disconnect (Code 12 = PC, DC or DH) GCT1
Ground Fault Current Sensor
193432205
1
Units with Multi Point Disconnect (Code 12 = WN or WH)
GCT1,2,3
Ground Fault Current Sensor
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 193432203
3
RPL 700014300 / Page 47
Controls
Units with VFD Starters (Code 9 = VE or VF)
Power Side
VFD-1, VFD-2, VFD-3
Compressor VFD Starter
Unit Voltage
Circuit 1
Circuit 2
Circuit 3
Size VFD-1VFD-2VFD-3
445A 460V 193439003193439003193439003
445A 380V 193439004193439004193439004
470A 460V 193439003193439003193439004
500A
460V
193439004 193439004 193439003
530A 460V 193439004193439004193439004
VFU1,2,3 Fuse
EMI1,2,3 EMI Filter
Used with 193439003 Compressor VFD (362A)
VFU1,2,3 Fuse- Semi-Conductor, 800A
Fuse Block- Semi-Conductor
EMI1,2,3 EMI Filter (Code 9 = VE)
193439603
193439501
193445702
Used with 193439004 Compressor VFD (414A)
VFU1,2,3 Fuse- Semi-Conductor, 800A
Fuse Block- Semi-Conductor
EMI1,2,3 EMI Filter (Code 9 = VE)
193439603
193439501
193445702
Note: EMI1,2,3 are not shown on diagram
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 48
Controls
Units with VFD Starters (Code 9 = VE or VF)
Power Side
PB1 - Single Point Power Block (Code 12 = PC)
Unit
Efficiency
Voltage
Power Block
Size
Code 4 = H*
445-530
High
380V, 460V
1400A
Power Block Part Number
193445001
Q10 - Main Disconnect (Code 12 = DC, DH, WN or WH)
Unit
Efficiency Voltage Disconnect
Size
Code 4 = H*
445-530
High
380V, 460V
1200A
Disconnect
Part Number
193438202
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 Handle
Shaft
Part Number Part Number
349961206
349962238
RPL 700014300 / Page 49
Controls
Units with VFD Starters (Code 9 = VE or VF)
Power Side
F1, 2, 3 - Multi Point Main Disconnect with Standard Short Circuit Current Rating (Code 12 = WN)
Efficiency
Voltage
Code 12 Code 4 = H*
F1, 2, 3
High 380V, 460V
WN
Molded Case
Circuit Breaker
Part
Number
400A / 35KA
193454101
F1, 2, 3 - Multi Point Main Disconnect with High Short Circuit Current Rating (Code 12 = WH)
Unit
Efficiency
Voltage
Code 12 Size
Code 4 = H*
F1, 2, 3
High 380V, 460V
WH
Molded Case
Circuit Breaker
Part
Number
400A / 65KA
193454102
F1, 2, 3 - Compressor Circuit Breaker with Standard Short Circuit Current Rating (Code 12 = PC or DC)
Unit
Efficiency
Voltage
Code 12 Size
Code 4 = H*
F1, 2, 3
High 380V, 460V
WN
Molded Case
Circuit Breaker
Part
Number
400A / 30KA
193454001
F1, 2, 3 - Compressor Circuit Breaker with High Short Circuit Current Rating (Code 12 = DH)
Unit
Efficiency
Voltage
Code 12 Size
Code 4 = H*
F1, 2, 3
High 380V, 460V
WH
Molded Case
Circuit Breaker
Part
Number
400A / 65KA
193454102
Handle for 400A Circuit Breaker
193437901
Shaft for 400A Circuit Breaker
349962236
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 50
Controls
Units with VFD Starters (Code 9 = VE or VF)
Control Box Exhaust and Intake Fans
M12
M10
M11
Sch. Sym.
Part Description
Part Number
Qty
M10
M10
Control Box Exhaust Fan
Control Box Exhaust Fan
Unit sizes 445-500
Unit sizes 530
193441002
193441003
1
1
M11
Control Box Intake Fan
193440803
1
M12
M12
Control Box Exhaust Fan Control Box Exhaust Fan 193441002
193441003
1
1
Unit sizes 445-500
Unit size 530
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 51
Controls
Terminal Box
Type A Terminal Plate
For more information, see
Parts Bulletin PB-0512-01.
5
3
4
2
6
1
50
Ref.
No.
50
Part
Description
Motor Terminal Plate
Motor Terminal Plate Gasket
Motor Terminal Bolt, M8
Bus Bar
Electrical Barrier
Terminal Box Mounting Screw, M6
Type B Terminal Plate
Part
Number
330875701
300040078
300040079
300044004
330719201
330821902
Qty.
1 per compressor
1 per compressor
14 per compressor
3 per compressor
1 per compressor
4 per compressor
P5
For more information, see
Parts Bulletin PB-0512-01.
P3
P4
50
Ref.
No.
50
P3
P4
P5
Part
Description
Motor Terminal Plate
Motor Terminal Plate Gasket
Terminal Plate Insulator
Motor Terminal Bolt, M10 (Starter side)
Lock Washer (Starter side)
Mounting Bolt, M8 (Plate mounting)
Terminal Box Screw, M6
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Part
Number
131073022
300040078
131083020
130306091
130902028
300040079
330821902
Rev. D 09/12 Qty.
1 per compressor
1 per compressor
6 per compressor
6 per compressor
6 per compressor
14 per compressor
4 per compressor
RPL 700014300 / Page 52
Accessories
Units with Wye-Delta or Solid State Starter (Code 9 = WD or SS)
Isolator Kits - Rubber-In-Shear
Standard Efficiency: Code 4 = S*
High Efficiency: Code 4 = H*
Std. Unit Eff.
Size Total
Fans
375
22
400
22
425
24
445
24
470
26
500
28
530
30
High Eff.
Total
Fans
---24
26
28
30
Use the chart above to determine the Total # of Fans. Use the chart below to identify the corresponding
Isolator Group #. Then, see the last chart for the Complete Kit and component part numbers.
Total # of Fans
2224262830
Units with Aluminum Fin Condenser (Code 8 = A, B, E) Group #
78899
Units with Copper Fin Condenser (Code 8 = C, F) Group #1011111111
RIS Isolator Part
#s and Quantities
Complete
Group
Kit
331481404
331481403331481402
331481405
#
Part #
Charcoal
Lime
Brick Red
Purple
7 332325809
2
4
2
8
332325810
2
42
2
9
332325811
4
22
2
10 332325812
2
4
11
332325815
2
22
4
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 53
Accessories
Units with Wye-Delta or Solid State Starter (Code 9 = WD or SS)
Isolator Kits - Spring
Standard Efficiency: Code 4 = S*
High Efficiency: Code 4 = H*
Std. Unit Eff.
Size Total
Fans
375
22
400
22
425
24
445
24
470
26
500
28
530
30
High Eff.
Total
Fans
---24
26
28
30
Use the chart above to determine the Total # of Fans. Use the chart below to identify the corresponding
Isolator Group #. Then, see the last chart for the Complete Kit and component part numbers.
Total # of Fans
2224262830
Units with Aluminum Fin Condenser (Code 8 = A, B, E) Group #2122232424
Units with Copper Fin Condenser (Code 8 = C, F) Group #2728292929
Spring Isolator Part #s and Quantities
Complete
Group
Kit
332620800332620600 332620400332620900 332621000 026219800
#
Part #
Dark Green Dark Purple
Gray
Black
White
Housing CP4
21 332320810
8
24
8
22
332320811
16 88 810
23
332320812
16 16 810
24
332320813
8816 810
27 332320816
16
16
8
28 332320817
8
8
8
16
10
29 332320818
16
8
16
10
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 54
Accessories
Units with VFD Starter (Code 9 = VF or VE)
Isolator Kits - Rubber-In-Shear
Standard Efficiency: Code 4 = S*
High Efficiency: Code 4 = H*
Std. Unit Eff.
Size Total
Fans
445
24
470
26
500
28
530
30
High Eff.
Total
Fans
24
26
28
30
Use the chart above to determine the Total # of Fans. Use the chart below to identify the corresponding
Isolator Group #. Then, see the last chart for the Complete Kit and component part numbers.
Total # of Fans
24
26
28
30
Units with Aluminum Fin Condenser (Code 8 = A, B, E) Group # 38
38 38 42
Units with Copper Fin Condenser (Code 8 = C, F) Group # 38
38 41 41
Group
#
38
41
42
Complete
RIS Isolator Part #s and Quantities
Kit
331481403
331481404
Part # Lime Charcoal
332325824
12
332325827
6
6
332325825
4
8
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 55
Accessories
Units with VFD Starter (Code 9 = VF or VE)
Isolator Kits - Spring
Standard Efficiency: Code 4 = S*
High Efficiency: Code 4 = H*
Std. Unit Eff.
Size Total
Fans
445
24
470
26
500
28
530
30
High Eff.
Total
Fans
24
26
28
30
Use the chart above to determine the Total # of Fans. Use the chart below to identify the corresponding
Isolator Group #. Then, see the last chart for the Complete Kit and component part numbers.
Total # of Fans
24
26
28
30
Units with Aluminum Fin Condenser (Code 8 = A, B, E) Group # 49 50 5051
Units with Copper Fin Condenser (Code 8 = C, F) Group # 49 50 5151
Complete
Spring Isolator Part #s and Quantities
Group
Kit
332620800
332620600 332620900 026219800
#
Part #
Dark Green
Dark Purple
Gray Housing CP4
49 332320825
40
8 12
50 332320826
48 12
51 332320827
24
24 12
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 56
Accessories
Flow Switch
Description
Flow Switch- Paddle
Flow Switch Kit- Electronic
Flow Switch Only
Cable- Flow Switch
Part No.
017503300
332688401
331796201
330571404
Sound Enclosure Kit
Description Part No.
Sound Enclosure Kit, 3 circuit (only available on units without VFD Starters) 332523853
Alarm Bell
Description Part No.
Alarm Bell Kit 332688502
Relay, SPDT, 30A, 120VAC 072937402
Alarm Bell 017809400
Transformer330386102
Inlet Strainer
Description Part No.
Inlet Strainer, Stainless Steel, Field Kit (3-ckt units) 331758910
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 57
Accessories
Field-Installed Fan VFD Kits
Description
Field-Installed Fan VFD Kit for units without VFD Starters
460V / 60Hz
575V / 60Hz
Field-Installed Fan VFD Kit for units with VFD Starters
400V / 50Hz
460V / 60Hz
Part No.
332688604
332688606
193503007
193503001
High Ambient Exhaust Fan Kit
Description Part No.
High Ambient Exhaust Fan Kit for units without VFD Starters 333930401
Rapid Restore
Description Part No.
Rapid Restore Kit for units without VFD Starters 333930501
Rapid Restore Kit for units with VFD Starters 193503101
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 58
Accessories
Base and Coil - Grille and Louver Kits
Standard Efficiency: Code 4 = S*, High Efficiency: Code 4 = H*
Std. Unit Eff.
Size Total
Fans
375
22
400
22
425
24
445
24
470
26
500
28
530
30
High Eff.
Total
Fans
---24
26
28
30
Base Grille Kits* - Units with Wye-Delta or SS Starter (Code 8 = WD, SS)
22
24
332688126
332688128
Total # of Fans
26
28
30
332688130
332688132
332688134
Base Grille Kits* - Units with VFD Starter (Code 8 = VF, VE)
Total # of Fans
24
26 28
332688143
332688144 332688145
30
332688146
* Kit part numbers above include Grilles and hardware. For component details, see earlier pages concerning Coil and
Base Frame Grilles and Louvers.
Coil Louver Kits**
22
24
332688226
332688228
Total # of Fans
26
28
30
332688230
332688232
332688234
Base & Coil Louver Kits**- Units with Wye-Delta or SS Starter (Code 8 = WD, SS)
22
24
332688326
332688328
Total # of Fans
26
28
30
332688330
332688332
332688334
Base & Coil Louver Kits** - Units with VFD Starter (Code 8 = VF, VE)
Total # of Fans
24
26 28
332688343
332688344 332688345
30
332688346
** Kit part numbers above include Louvers and hardware. For component details, see earlier pages concerning Coil and
Base Frame Grilles and Louvers.
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 59
Accessories
650
BACnet MS/TP Communications Module
Ref. Description
Part
Qty.
No. Number
650
BACnet MS/TP Kit 350147414 1
BACnet with IP/Ethernet
700
Ref. Description
Part
Qty.
No. Number
700
BACnet IP/Ethernet Kit 350147415 1
827
MODBUS Communications Module
Ref. Description
Part
Qty.
No. Number
827
MODBUS Installation Kit 350147413 1
LonMark Communications Module
Ref. Description
Part
Qty.
No. Number
LonMark Installation Kit 350147412 1
920
Remote Display Kit
950
Ref. Description
Part
Qty.
No. Number
Remote Display Kit 350147416 1
950
Control- Remote Keypad 193408001 1
Air Cooled Screw Comp. Chiller, AWS 375-530, 3-Ckt, 60Hz Vint. A
Rev. D 09/12 RPL 700014300 / Page 60
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