For units built after 8/1/11, contact McQuay Parts
for part number identication of Compressors,
Check Valves, Economizers, Evaporators and
Suction Piping Components.
Air Cooled Chiller
Screw Compressor
2 Circuit
Model: AWS
Sizes: 150 - 405
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 - 10
Electrical Legend - Units with VFD Starter .................................................................................................11 - 14
Unit Layout ....................................................................................................................................................... 15
Suction Shut Off Valves ............................................................................................................................. 22
Liquid Lines- Standard Efciency Units ..................................................................................................... 23
Liquid Lines with Economizer- High & Premium Efciency Units ...................................................... 24 - 26
Condenser Coils and Fans ........................................................................................................................ 27
Total Fans per Unit ..................................................................................................................................... 28
Coil and Base Frame Grilles............................................................................................................................. 32
Power Factor Correction Capacitors (PFCC) ............................................................................................ 46 - 47
Units with VFD Starters (Code 9 = VE or VF)
Box Locations and Label Detail ........................................................................................................... 48
Control Side .................................................................................................................................. 49 - 51
Power Side ................................................................................................................................... 52 - 60
Control Box Exhaust and Intake Fans ................................................................................................. 61
Alarm Bell ................................................................................................................................................... 67
Base and Coil - Grille and Louver Kits.............................................................................................................. 69
Base Grille Kits ................................................................................................................................................ 69
BACnet with IP/Ethernet ................................................................................................................................... 70
Air Cooled Screw Comp. Chiller, AWS 150-405 60Hz, 2-Ckt, Vint. A Rev. H 09/12 RPL 700014100 / Page 2
Parts List Revision History
Revision Date Description
Athru E Revision History archived for revisions A through E.
F 04/12 Page 21: Changed ST1 & 2 Sensor-Suct Temp. to two choices, Straight and Bent. Added length description "20 ft." to WD1 & 2 Sensor- Discharge Temp. Pages 23 & 25: Changed part # for Ref. 113 Filter Drier Core, was 070339101. Page 27: Added length description "20 ft." to WAA Sensor- Outdoor Air. Changed Motor part #s,
were 10000108801, 02, 03, 04. Added info for Condenser Coil location and identification.
Page 30: Added length description "60 ft." to WIE & WOE Sensor- Evap.
G 07/12 Page 6: Corrected Code 29 nomenclature to SL= SD + LL Solenoid, was DS + LL Solenoid.
Pages 18 & 19: Changed part # for Ref. 14 Slide Indicator from 330591102 to 330591103.
Page 21: Added Gasket- Discharge Shut-Off Valve 070199144 to Dischg Line groups. Added
Gasket- Discharge Shut-Off Valve 070199117 to footnotes 1 and 2. Page 26: Corrected titles to say Economizer, Circuit 1 and 2 (was Compressor). Corrected
Ckt. 2 codes: Size 230 Prem Eff to C (was A), Size 280 Prem Eff to B (was C), Size 320
Prem Eff to E (was B).
Page 27: Corrected Ref. 5 Fan Motor, 460V to 10000108873, was -74; Fan Motor 575V to
10000108874, was -04.
Pages 34-36: Corrected title to Code 28= B, was Code 28= B, C, L. Page 38: Added Advanced Web Module and footnote 2. Page 43: Corrected description of where used for 3000479900 to AWS 280-350, Std Eff, Ckt 2
(was 150-250).
Page 50: Added Advanced Web Module and footnote 2. Changed description for EEXV1,2 to
Code 29 = LD or SL and Code 29 = ND or SD, was With or Without UPS. Page 53: Corrected description for CT4,5,6 to Current Transformer, was Current Sensor. Page 60: Removed "Prem" from description for F2, Sizes 380, 405. Page 62: Expanded Terminal Plate information to include Type A and Type B. Page 68: Corrected Rapid Restore (without VFD starter) to 333930501, was 333930601. Page 70: Removed LonMark Comm. Module Only from Ref. 920.
H 09/12 Pages 18 & 19: Corrected descriptions for Liq Injection Fittings. Added Liq Inj Fitting- Rotolock to
Copper and Liq Inj O-Ring.
04 Platform
SE= Standard Package- Standard Efficiency
HE= Standard Package- High Efficiency
PE= Standard Package- Premium Efficiency
05 Construction
NN= Standard
06 Sound
ST= Standard Sound
LN= Low Noise- Sound Enclosure
07 Unit Operation
S= Standard (40° - 60° F LWT)
A= Lower Operation (34° - 39° F LWT)
B= Brine Operation (20° - 33° F LWT)
08 Condenser Coil Fins
A= Aluminum Fin (Standard)
C= Copper Fin
B= Aluminum Fin w/Prefab Black Fin Coating
E= Aluminum Fin w/Electro Fin Coating
F= Copper Fin w/Electro Fin Coating
09 Compressor Starter
WD= Wye- Delta w/Compressor Overloads
SS= Solid State
VF= VFD without EMI Filter
VE= VFD with EMI Filter
10 Always Y
11 Voltage
27= 460/60/3 12= 208/60/3
29= 230/60/3 46= 380/60/3
37= 575/60/3
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
13 Phase Voltage
V= Phase & Under/Over Voltage Protection w/LED
N= None
14 Meters
N= None
A= Meters: Unit Amp & Volt
15 Control Box Ambient
N= None
H= With Exhaust Fans
16 Compressor Capacitor
N= None
C= Power Correction Capacitors
17 Communication
NN= None
LM= LonMark
MB= Mod Bus
BN= BACnet w/ MSTP
BE= BACnet w/ Ethernet
18 Display Options
N= On Controller Only
U= Unit Remote Display
19 Ground Fault
N= None
G= Ground Fault Protection for the Unit
20 Always Y
21 Unit Options
N= None
C= 115V Convenience Outlet
L= Slide Transducer
B= C + L
22 Water Flow
N= None
A= Water Flow Indication on Evaporator Only
23 Evaporator Connection
VL= Victaulic/ Left Hand
VR= Victaulic/ Right Hand
24 Evaporator Insulation
S= Standard Evaporator- Single Layer
D= Standard Evaporator- Double Insulation
25 Relief Valve
R= Single Valve
26 Fans
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 150-405 60Hz, 2-Ckt, Vint. A Rev. H 09/12 RPL 700014100 / Page 5
Nomenclature
Unit Model Number- Complete, Continued
28 Guards
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
NNNN= No Pump Package
PPSS= Pump Package Air- Cooled Screw Single Pump
PPSD= Pump Package Air- Cooled Screw Dual Pump
33 Pump Connection
N= No Pump Package
6= 6" 8= 8" T= 10"
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
48 Unit Start
DSU= Domestic Start Up
CPL= Canadian Start Up
ISU= International- No Start Up Provided
49 Standard Warranty
DPL= Domestic 1st Year Standard
CPL= Canadian 1st Year Standard Warranty
TPN= International 1st Year Standard Warranty
50 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*= Refrigeant 134a Warranty (*= no. of years)
55 Delayed Warranty Start
D00= 0 months
D**= Delayed Warranty Start (**= number of months)
Air Cooled Screw Comp. Chiller, AWS 150-405 60Hz, 2-Ckt, Vint. A Rev. H 09/12 RPL 700014100 / Page 6
Electrical Legend - Units with Wye Delta or SS Starter
Sch. Sym. Description Location
AC Alarm Control Control Panel
AM1 Ammeter Switch Box Door
C1 PFCC Capacitor PFCC Enclosure
C2 PFCC Capacitor PFCC Enclosure
C10 EXV-1 Connector Starter Panel- Compressor 1
C20 EXV-2 Connector Starter Panel- Compressor 2
C101 Fan Harness Connector Condenser Fan Section
C102 Fan Harness Connector Condenser Fan Section
C103 Fan Harness Connector Condenser Fan Section
C104 Fan Harness Connector Condenser Fan Section
C105 Fan Harness Connector Condenser Fan Section
C106 Fan Harness Connector Condenser Fan Section
C107 Fan Harness Connector Condenser Fan Section
C108 Fan Harness Connector Condenser Fan Section
C109 Fan Harness Connector Condenser Fan Section
C110 Fan Harness Connector Condenser Fan Section
C111 Fan Harness Connector Condenser Fan Section
C112 Fan Harness Connector Condenser Fan Section
C201 Fan Harness Connector Condenser Fan Section
C202 Fan Harness Connector Condenser Fan Section
C203 Fan Harness Connector Condenser Fan Section
C204 Fan Harness Connector Condenser Fan Section
C205 Fan Harness Connector Condenser Fan Section
C206 Fan Harness Connector Condenser Fan Section
C207 Fan Harness Connector Condenser Fan Section
C208 Fan Harness Connector Condenser Fan Section
C209 Fan Harness Connector Condenser Fan Section
C210 Fan Harness Connector Condenser Fan Section
C211 Fan Harness Connector Condenser Fan Section
C212 Fan Harness Connector Condenser Fan Section
CC1 Control Compressor Cir. 1 Starter Panel- Compressor 1
CC2 Control Compressor Cir. 2 Starter Panel- Compressor 2
DP-1 Condenser Pressure Cir. 1 Discharge Line- Circuit 1
DP-2 Condenser Pressure Cir. 2 Discharge Line- Circuit 2
EEXV1 Expansion Valve Controller Cir. 1 Starter Panel- Compressor 1
EEXV2 Expansion Valve Controller Cir. 2 Starter Panel- Compressor 2
ESV-1 Economizer Solenoid Valve Cir. 1 Liquid Line- Circuit 1
ESV-2 Economizer Solenoid Valve Cir. 2 Liquid Line- Circuit 2
EXV-1 Electronic Expansion Valve Cir. 1 Liquid Line- Circuit 1
EXV-2 Electronic Expansion Valve Cir. 2 Liquid Line- Circuit 2
F0-1 Crankcase Heater 1 Fuses/ MSP Starter Panel- Compressor 1
F0-2 Crankcase Heater 2 Fuses/ MSP Starter Panel- Compressor 2
F1 Compressor 1 Circuit Breaker Power Panel- Right
F2 Compressor 2 Circuit Breaker Power Panel- Right
F5-1 Thermal Relay Starter Panel- Compressor 1
F5-2 Thermal Relay Starter Panel- Compressor 2
F12 Outlet Fuse Power Panel- Left
F13 High Pressure Switch Cir. 1 Compressor 1
F23 High Pressure Switch Cir. 2 Compressor 2
F59 Evaporator Heater Fuse Control Panel
F90 Thermostat Control Panel
F100 Fan Circuit Breaker Cir. 1 Power Panel- Left
F112 Phase Volt Monitor Cir. 1 Power Panel- Left
Air Cooled Screw Comp. Chiller, AWS 150-405 60Hz, 2-Ckt, Vint. A Rev. H 09/12 RPL 700014100 / Page 7
Electrical Legend - Units with Wye Delta or SS Starter
Sch. Sym. Description Location
F116 Evaporator Flow Switch Evaporator Outlet
F120 Transformer T1 Protection Power Panel- Left
F130 Phase Volt Monitor Fuse Cir. 1 Power Panel- Left
F200 Fan Circuit Breaker 2 Power Panel- Left
F212 Phase Voltage Monitor Cir. 2 Power Panel- Left
F230 Phase Volt Monitor Fuse Cir. 2 Power Panel- Left
FC Fans Control Control Panel
FTB107 Fan Terminal Block Cir. 1 Power Panel- Left
FTB110 Fan Terminal Block Cir. 1 Power Panel- Left
FTB207 Fan Terminal Block Cir. 2 Power Panel- Left
FTB210 Fan Terminal Block Cir. 2 Power Panel- Left
FU1 PFCC Fuse PFCC Enclosure
FU2 PFCC Fuse PFCC Enclosure
GFR1 Ground Fault Relay Cir. 1 Power Panel- Left
GFR2 Ground Fault Relay Cir. 2 Power Panel- Left
K11 Emergency Stop Contactor Control Panel
K16 Fan Stage 1 Power Panel- Left
K26 Fan Stage 2 Power Panel- Left
K2B-1 Contactor Starter Panel- Compressor 1
K2B-2 Contactor Starter Panel- Compressor 2
KLJ-1 Liquid Injection Relay 1 Starter Panel- Compressor 1
KLJ-2 Liquid Injection Relay 2 Starter Panel- Compressor 2
KM1-1 Compressor Contactor Starter Panel- Compressor 1
KM1-2 Compressor Contactor Starter Panel- Compressor 1
KM1-3 Compressor Contactor Starter Panel- Compressor 1
KM2-1 Compressor Contactor Starter Panel- Compressor 2
KM2-2 Compressor Contactor Starter Panel- Compressor 2
KM2-3 Compressor Contactor Starter Panel- Compressor 2
KM10-1 Contactor Starter Panel- Compressor 1
KM10-2 Contactor Starter Panel- Compressor 2
KM101 Fan Motor Contactor Power Panel- Left
KM102 Fan Motor Contactor Power Panel- Left
KM103 Fan Motor Contactor Power Panel- Left
KM105 Fan Motor Contactor Power Panel- Left
KM107 Fan Motor Contactor Power Panel- Left
KM110 Fan Motor Contactor Power Panel- Left
KM201 Fan Motor Contactor Power Panel- Left
KM202 Fan Motor Contactor Power Panel- Left
KM203 Fan Motor Contactor Power Panel- Left
KM205 Fan Motor Contactor Power Panel- Left
KM207 Fan Motor Contactor Power Panel- Left
KM210 Fan Motor Contactor Power Panel- Left
KT13 Time Delay Relay 1 Starter Panel- Compressor 1
KT23 Time Delay Relay 2 Starter Panel- Compressor 2
KT-1 Auxilliary Relay Cir. 1 Starter Panel- Compressor 1
KT-2 Aux. Relay Cir. 2 Starter Panel- Compressor 2
KT1-1 Delay Relay Starter Panel- Compressor 1
KT1-2 Delay Relay Starter Panel- Compressor 2
LJV-1 Liquid Injection Solenoid Cir. 1 Liquid Line/Starter Panel 1
LJV-2 Liquid Injection Solenoid Cir. 2 Liquid Line/Starter Panel 2
LP1 Low Pressure Switch 1 Compressor 1
LP2 Low Pressure Switch 2 Compressor 2
LR1 Line Reactor Cir. 1 Power Panel- Left
Air Cooled Screw Comp. Chiller, AWS 150-405 60Hz, 2-Ckt, Vint. A Rev. H 09/12 RPL 700014100 / Page 8
Electrical Legend - Units with Wye Delta or SS Starter
Sch. Sym. Description Location
LR2 Line Reactor Cir. 2 Power Panel- Left
LSV-1 Liquid Line Solenoid Cir. 1 Liquid Line- Circuit 1
LSV-2 Liquid Line Solenoid Cir. 2 Liquid Line- Circuit 2
LT1 PFCC Lamp PFCC Enclosure
LT2 PFCC Lamp PFCC Enclosure
M1 Compressor Cir. 1 Base
M2 Compressor Cir. 2 Base
M10 Forced Ventilation Switch Box End
M101 Fan Motor Power Panel- Left
M102 Fan Motor Power Panel- Left
M103 Fan Motor Power Panel- Left
M104 Fan Motor Power Panel- Left
M105 Fan Motor Power Panel- Left
M106 Fan Motor Power Panel- Left
M107 Fan Motor Power Panel- Left
M108 Fan Motor Power Panel- Left
M109 Fan Motor Power Panel- Left
M110 Fan Motor Power Panel- Left
M111 Fan Motor Power Panel- Left
M112 Fan Motor Power Panel- Left
M201 Fan Motor Power Panel- Left
M202 Fan Motor Power Panel- Left
M203 Fan Motor Power Panel- Left
M204 Fan Motor Power Panel- Left
M205 Fan Motor Power Panel- Left
M206 Fan Motor Power Panel- Left
M207 Fan Motor Power Panel- Left
M208 Fan Motor Power Panel- Left
M209 Fan Motor Power Panel- Left
M210 Fan Motor Power Panel- Left
M211 Fan Motor Power Panel- Left
M212 Fan Motor Power Panel- Left
MP1 Motor Thermal Protection Starter Panel- Compressor 1
MP2 Motor Thermal Protection Starter Panel- Compressor 2
MPR1 Motor Protection Relay Cir. 1 Starter Panel- Compressor 1
MPR2 Motor Protection Relay Cir. 2 Starter Panel- Compressor 2
OP-1 Oil Pressure Cir. 1 Compressor 1
OP-2 Oil Pressure Cir. 2 Compressor 2
P1 PFCC Contactor 1 PFCC Enclosure
P2 PFCC Contactor 2 PFCC Enclosure
PA1 PFCC Aux Contact 1 PFCC Enclosure
PA2 PFCC Aux Contact 2 PFCC Enclosure
PC1 Power Factor Correction PFCC Enclosure
PC2 Power Factor Correction PFCC Enclosure
Q0 Unit ON - OFF Switch Control Panel
Q1 Pump Down Switch Cir. 1 Control Panel
Q2 Pump Down Switch Cir. 2 Control Panel
Q10 Main Power Block or Disconnect Switch 1 Power Panel- Right
Q11 Emergency Stop Switch Control Box Door
Q12 Automatic Circuit Breaker Control Panel
Q20 Main Power Block or Disconnect Switch 2 Power Panel- Right
Q101 Fan MSP Power Panel- Left
Q102 Fan MSP Power Panel- Left
Air Cooled Screw Comp. Chiller, AWS 150-405 60Hz, 2-Ckt, Vint. A Rev. H 09/12 RPL 700014100 / Page 9
Electrical Legend - Units with Wye Delta or SS Starter
Sch. Sym. Description Location
Q103 Fan MSP Power Panel- Left
Q105 Fan MSP Power Panel- Left
Q107 Fan MSP Power Panel- Left
Q110 Fan MSP Power Panel- Left
Q201 Fan MSP Power Panel- Left
Q202 Fan MSP Power Panel- Left
Q203 Fan MSP Power Panel- Left
Q205 Fan MSP Power Panel- Left
Q207 Fan MSP Power Panel- Left
Q210 Fan MSP Power Panel- Left
R1 Compressor Crankcase Heater Cir. 1 Compressor 1
R2 Compressor Crankcase Heater Cir. 2 Compressor 2
R5 Evaporator Heater Evaporator Shell
REC 1 115V Outlet Control Panel
SL-1 Slide Indicator Cir. 1 Compressor 1
SL-2 Slide Indicator Cir. 2 Compressor 2
SP-1 Evap. Pressure Circuit 1 Suction Line- Circuit 1
SP-2 Evap. Pressure Circuit 2 Suction Line- Circuit 2
SS1 Selection Switch 1 Voltmeter
SS2 Selection Switch 2 Ammeter
ST-1 Suction Temperature Cir. 1 Suction Line- Circuit 1
ST-2 Suction Temperature Cir. 2 Suction Line- Circuit 2
T1 115V Transformer Power Panel- Left
T2 24V Transformer Power Panel- Left
T20-1 Transformer Cir. 1 Starter Panel- Compressor 1
T20-2 Transformer Cir. 2 Starter Panel- Compressor 2
TC Thermostat- Evaporator Heater Evaporator
TXV-1 Thermal Expansion Valve Cir. 1 Economizer Liquid Line
TXV-2 Thermal Expansion Valve Cir. 2 Economizer Liquid Line
UC Unit Control- MicroTech III Control Panel
VFD1 Fan VFD / SpeedTrol Near front of evaporator
VFD2 Fan VFD / SpeedTrol Near front of evaporator
VM1 Volt Meter Switch Box Door
W1 Compressor Thermistor Cir. 1 Compressor 1
W2 Compressor Thermistor Cir. 2 Compressor 2
WAA Air Ambient Sensor Condenser Coil Header
WD-1 Oil Discharge Temp. Sensor Cir. 1 Discharge Line- Circuit 1
WD-2 Oil Discharge Temp. Sensor Cir. 2 Discharge Line- Circuit 2
WIE Evaporator Entering Water Temperature Evaporator Inlet
WOE Evaporator Leaving Water Temperature Evaporator Outlet
Y2A-1 Non-Modulating Slide Load Sol. Valve Cir. 1 Compressor 1
Y2A-2 Non-Modulating Slide Load Sol. Valve Cir. 2 Compressor 2
Y2B-1 Modulating Slide Load Solenoid Valve Cir. 1 Compressor 1
Y2B-2 Modulating Slide Load Solenoid Valve Cir. 2 Compressor 2
Y3A-1 Non-Mod. Slide Unload Sol. Valve Cir. 1 Compressor 1
Y3A-2 Non-Mod. Slide Unload Sol. Valve Cir. 2 Compressor 2
Y3B-1 Mod. Slide Unload Solenoid Valve Cir. 1 Compressor 1
Y3B-2 Mod. Slide Unload Solenoid Valve Cir. 2 Compressor 2
YT-1 Turbo Solenoid Valve Cir. 1 Compressor 1
YT-2 Turbo Solenoid Valve Cir. 2 Compressor 2
Air Cooled Screw Comp. Chiller, AWS 150-405 60Hz, 2-Ckt, Vint. A Rev. H 09/12 RPL 700014100 / Page 10
Electrical Legend - Units with VFD Starter
Sch. Sym. Description Location
AC Alarm Control Control Side
AM1 Ammeter Control Box Door
C10 EXV-1 Connector Outside Back of Control Side
C20 EXV-2 Connector Outside Back of Control Side
C101 Fan Harness Connector Condenser Fan Section
C102 Fan Harness Connector Condenser Fan Section
C103 Fan Harness Connector Condenser Fan Section
C104 Fan Harness Connector Condenser Fan Section
C105 Fan Harness Connector Condenser Fan Section
C106 Fan Harness Connector Condenser Fan Section
C107 Fan Harness Connector Condenser Fan Section
C108 Fan Harness Connector Condenser Fan Section
C109 Fan Harness Connector Condenser Fan Section
C110 Fan Harness Connector Condenser Fan Section
C111 Fan Harness Connector Condenser Fan Section
C112 Fan Harness Connector Condenser Fan Section
C201 Fan Harness Connector Condenser Fan Section
C202 Fan Harness Connector Condenser Fan Section
C203 Fan Harness Connector Condenser Fan Section
C204 Fan Harness Connector Condenser Fan Section
C205 Fan Harness Connector Condenser Fan Section
C206 Fan Harness Connector Condenser Fan Section
C207 Fan Harness Connector Condenser Fan Section
C208 Fan Harness Connector Condenser Fan Section
C209 Fan Harness Connector Condenser Fan Section
C210 Fan Harness Connector Condenser Fan Section
C211 Fan Harness Connector Condenser Fan Section
C212 Fan Harness Connector Condenser Fan Section
CC1 Control Compressor Cir. 1 Control Side
CC2 Control Compressor Cir. 2 Control Side
DP-1 Condenser Pressure Cir. 1 Discharge Line- Circuit 1
DP-2 Condenser Pressure Cir. 2 Discharge Line- Circuit 2
EEXV1 Expansion Valve Controller Cir. 1 Control Side
EEXV2 Expansion Valve Controller Cir. 2 Control Side
EMI-1 Electromagnetic Interference Filter 1 Power Side
EMI-2 Electromagnetic Interference Filter 2 Power Side
ESV-1 Economizer Solenoid Valve Cir. 1 Liquid Line- Circuit 1
ESV-2 Economizer Solenoid Valve Cir. 2 Liquid Line- Circuit 2
EXV-1 Electronic Expansion Valve Cir. 1 Liquid Line- Circuit 1
EXV-2 Electronic Expansion Valve Cir. 2 Liquid Line- Circuit 2
F0-1 Crankcase Heater 1 Fuses/ MSP Power Side
F0-2 Crankcase Heater 2 Fuses/ MSP Power Side
F1 Compressor 1 Circuit Breaker Power Side
F2 Compressor 2 Circuit Breaker Power Side
F10 Exhaust Fan Fuse Control Side
F11 Unit Controller Fuse Control Side
F12 Outlet Fuse Control Side
F13 High Pressure Switch Cir. 1 Compressor 1
F23 High Pressure Switch Cir. 2 Compressor 2
F59 Evaporator Heater Fuse Control Side
F90 Thermostat Control Side
F100 Fan Circuit Breaker Cir. 1 Control Side
F116 Evaporator Flow Switch Evaporator Outlet
Air Cooled Screw Comp. Chiller, AWS 150-405 60Hz, 2-Ckt, Vint. A Rev. H 09/12 RPL 700014100 / Page 11
Electrical Legend - Units with VFD Starter
Sch. Sym. Description Location
F120 Transformer T1 Protection Power Side
F130 Phase Volt Monitor Fuse Control Side
F200 Fan Circuit Breaker 2 Control Side
FC Fans Control Control Side
FTB107 Fan Terminal Block Cir. 1 Control Side
FTB110 Fan Terminal Block Cir. 1 Control Side
FTB207 Fan Terminal Block Cir. 2 Control Side
FTB210 Fan Terminal Block Cir. 2 Control Side
GFR1 Ground Fault Relay Cir. 1 Control Side
GFR2 Ground Fault Relay Cir. 2 Control Side
JFU1 HSCR Fuse 1 Control Side
JFU2 HSCR Fuse 2 Control Side
K1 Compressor VFD Run Relay 1 Power Side
K2 Compressor VFD Run Relay 2 Power Side
K11 Emergency Stop Contactor Control Side
K13 Mechanical Hi Pressure Relay & Contactor Control Side
K16 Fan Stage Cir. 1 Control Side
K23 Mechanical Hi Pressure Relay & Contactor Control Side
K26 Fan Stage Cir. 2 Control Side
KLJ-1 Liquid Injection Relay 1 Control Side
KLJ-2 Liquid Injection Relay 2 Control Side
KM101 Fan Motor Contactor Control Side
KM102 Fan Motor Contactor Control Side
KM103 Fan Motor Contactor Control Side
KM105 Fan Motor Contactor Control Side
KM107 Fan Motor Contactor Control Side
KM110 Fan Motor Contactor Control Side
KM201 Fan Motor Contactor Control Side
KM202 Fan Motor Contactor Control Side
KM203 Fan Motor Contactor Control Side
KM205 Fan Motor Contactor Control Side
KM207 Fan Motor Contactor Control Side
KM210 Fan Motor Contactor Control Side
LJV-1 Liquid Injection Solenoid Cir. 1 Liquid Injection Line 1
LJV-2 Liquid Injection Solenoid Cir. 2 Liquid Injection Line 2
LP1 Low Pressure Switch 1 Compressor 1
LP2 Low Pressure Switch 2 Compressor 2
LR1 Line Reactor Cir. 1 Control Side
LR2 Line Reactor Cir. 2 Control Side
LSV-1 Liquid Line Solenoid Cir. 1 Liquid Line- Circuit 1
LSV-2 Liquid Line Solenoid Cir. 2 Liquid Line- Circuit 2
M1 Compressor Cir. 1 Base
M2 Compressor Cir. 2 Base
M10 Forced Ventilation Outside Wall of Power Side
M11 Intake Fan Outside Wall of Control Side
M12 Exhaust Fan Control Box Left Door
M101 Fan Motor Condenser Fan Section
M102 Fan Motor Condenser Fan Section
M103 Fan Motor Condenser Fan Section
M104 Fan Motor Condenser Fan Section
M105 Fan Motor Condenser Fan Section
M106 Fan Motor Condenser Fan Section
M107 Fan Motor Condenser Fan Section
Air Cooled Screw Comp. Chiller, AWS 150-405 60Hz, 2-Ckt, Vint. A Rev. H 09/12 RPL 700014100 / Page 12
Electrical Legend - Units with VFD Starter
Sch. Sym. Description Location
M108 Fan Motor Condenser Fan Section
M109 Fan Motor Condenser Fan Section
M110 Fan Motor Condenser Fan Section
M111 Fan Motor Condenser Fan Section
M112 Fan Motor Condenser Fan Section
M201 Fan Motor Condenser Fan Section
M202 Fan Motor Condenser Fan Section
M203 Fan Motor Condenser Fan Section
M204 Fan Motor Condenser Fan Section
M205 Fan Motor Condenser Fan Section
M206 Fan Motor Condenser Fan Section
M207 Fan Motor Condenser Fan Section
M208 Fan Motor Condenser Fan Section
M209 Fan Motor Condenser Fan Section
M210 Fan Motor Condenser Fan Section
M211 Fan Motor Condenser Fan Section
M212 Fan Motor Condenser Fan Section
MP1 Motor Thermal Protection Control Side
MP2 Motor Thermal Protection Control Side
MPR1 Motor Protection Relay Cir. 1 Control Side
MPR2 Motor Protection Relay Cir. 2 Control Side
OP-1 Oil Pressure Cir. 1 Compressor 1
OP-2 Oil Pressure Cir. 2 Compressor 2
Q0 Unit ON - OFF Switch Control Side
Q1 Pump Down Switch Cir. 1 Control Side
Q2 Pump Down Switch Cir. 2 Control Side
Q10 Main Power Block or Disconnect Switch 1 Power Side
Q11 Emergency Stop Switch Control Box Left Door
Q12 Automatic Circuit Breaker T1 Transformer
Q101 Fan MSP Control Side
Q102 Fan MSP Control Side
Q103 Fan MSP Control Side
Q105 Fan MSP Control Side
Q107 Fan MSP Control Side
Q110 Fan MSP Control Side
Q201 Fan MSP Control Side
Q202 Fan MSP Control Side
Q203 Fan MSP Control Side
Q205 Fan MSP Control Side
Q207 Fan MSP Control Side
Q210 Fan MSP Control Side
R1 Compressor Crankcase Heater Cir. 1 Compressor 1
R2 Compressor Crankcase Heater Cir. 2 Compressor 2
R5 Evaporator Heater Evaporator Shell
REC 1 115V Outlet Control Side
SP-1 Evap. Pressure Circuit 1 Suction Line- Circuit 1
SP-2 Evap. Pressure Circuit 2 Suction Line- Circuit 2
SS1 Selection Switch 1 Voltmeter
SS2 Selection Switch 2 Ammeter
ST-1 Suction Temperature Cir. 1 Suction Line- Circuit 1
ST-2 Suction Temperature Cir. 2 Suction Line- Circuit 2
T1 115V Transformer Power Side
T2 24V Transformer Control Side
Air Cooled Screw Comp. Chiller, AWS 150-405 60Hz, 2-Ckt, Vint. A Rev. H 09/12 RPL 700014100 / Page 13
Electrical Legend - Units with VFD Starter
Sch. Sym. Description Location
T20-1 Transformer Cir. 1 Control Side
T20-2 Transformer Cir. 2 Control Side
TC Thermostat- Evaporator Heater Evaporator
UC Unit Control- MicroTech III Control Side
VFD1 Fan VFD / SpeedTrol Control Side Left Wall
VFD2 Fan VFD / SpeedTrol Control Side Left Wall
VFD-1 Compressor VFD 1 Power Side
VFD-2 Compressor VFD 2 Power Side
VFU1 Compressor VFD Fuse 1 Power Side
VFU2 Compressor VFD Fuse 2 Power Side
VM1 Volt Meter Switch Box Door
W1 Compressor Thermistor Cir. 1 Compressor 1
W2 Compressor Thermistor Cir. 2 Compressor 2
WAA Air Ambient Sensor Condenser Coil Header
WD-1 Oil Discharge Temp. Sensor Cir. 1 Discharge Line- Circuit 1
WD-2 Oil Discharge Temp. Sensor Cir. 2 Discharge Line- Circuit 2
WIE Evaporator Entering Water Temperature Evaporator Inlet
WOE Evaporator Leaving Water Temperature Evaporator Outlet
Air Cooled Screw Comp. Chiller, AWS 150-405 60Hz, 2-Ckt, Vint. A Rev. H 09/12 RPL 700014100 / Page 14
Unit Layout
(Unit Size 300ADS Shown)
9
8
Ref. No. Description Location
1 Compressors Refrigeration Section
2 Tubing (suction, discharge, liquid injection) Refrigeration Section
3 Liquid Line and Economizer Refrigeration Section
7 Evaporator Refrigeration Section
8 Condenser Coil Refrigeration Section
9 Condenser Fans Refrigeration Section
10 Unit Switch Box/Control Panel * Controls Section
11 Compressor Starter Panel (not on units with VFD Starters) Controls Section
12 Compressor Terminal Box Controls Section
9
3
999
7
9
99
12
2
11
1
10
* Control Panel for units with Wye-Delta or Solid State Starters shown. Larger Panel used on units with
VFD Starters.
Air Cooled Screw Comp. Chiller, AWS 150-405 60Hz, 2-Ckt, Vint. A Rev. H 09/12 RPL 700014100 / Page 15
Refrigeration Section
Compressor Charts
For units built after 8/1/11, contact McQuay Parts
for part number identication of Compressors.
Standard Efficiency: Code 4 = S*
High Efficiency: Code 4 = H*
Premium Efficiency: Code 4 = P*
Compressor, Circuit 1
Unit Size Starter Std Eff. High Eff Premium Eff
(Code 9)
150 VE or VF A -- - 175 any A -- - 190 WD or SS A -- - 190 VE or VF C -- - 210 any C A A
230 any C A A
250 any B C C
280 any B C C
300 any E B B
320 any E B B
350 any D E E
380 any -- E - 405 any -- D --
Compressor, Circuit 2
Unit Size Starter Std Eff. High Eff Premium Eff
(Code 9)
150 VE or VF A -- - 175 WD or SS A -- - 175 VE or VF C -- - 190 any C -- - 210 any C A A
230 any B C C
250 any B C C
280 any E B B
300 any E B B
320 any D E E
350 any D E E
380 any -- D - 405 any -- D --
See next page for Compressor part numbers.
Air Cooled Screw Comp. Chiller, AWS 150-405 60Hz, 2-Ckt, Vint. A Rev. H 09/12 RPL 700014100 / Page 16
Refrigeration Section
Compressors
For units built after 8/1/11, contact McQuay Parts
for part number identication of Compressors.
See previous page for Compressor Charts.
Compressor A
Units built before Sept. 2010 may have the Original
or New Compressor A. See diagrams at right to
determine which you have. To replace an Original
Compressor A, order the New Compressor A plus
the corresponding Retrofit Kit.
208V - new 332525070
230V - new 332525075
380V - new (units w/ VFD Starters) 332525180
380V - new (units w/o VFD Starters) 332525080
460V - new (units w/ VFD Starters) 332525160
460V - new (units w/o VFD Starters) 332525060
575V - new 332525065
* Circuit 1 - On the following units, use Coupling/Adapter 735049707, Flange Kit 735016404, and Discharge Shut-Off
Valve Gasket 070199117: 150ADS, 175ADS, 190ADS, 210ADH, 210ADP, 230ADH, 230ADP.
** Circuit 2 - On the following units, use Coupling/Adapter 735049707 and Flange Kit 735016404, and Discharge ShutOff Valve Gasket 070199117: 150ADS, 175ADS, 210ADH, 210ADP.
NS= Not shown
Air Cooled Screw Comp. Chiller, AWS 150-405 60Hz, 2-Ckt, Vint. A Rev. H 09/12 RPL 700014100 / Page 21
Loading...
+ 49 hidden pages
You need points to download manuals.
1 point = 1 manual.
You can buy points or you can get point for every manual you upload.