McQuay WGTH038 Parts List

Replacement Parts List No. 700025100

New 8/2012

SmartSource™ 2- Stage

Water Source Heat Pump

WGTH, WGTV

Sizes 026 - 072

Design 1

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

Model Number ................................................................................................................................................. 4-6

Electrical Legend ..................................................................................................................................................... 7

Typical Refrigeration Cycles ................................................................................................................................... 8

Blower Fan Assembly .............................................................................................................................................. 9

Electric Heat .......................................................................................................................................................... 10

Refrigeration Circuit .......................................................................................................................................... 11-12

Primary Drain Pan, Auxilliary Drain Pan` ............................................................................................................... 13

Base Pan ............................................................................................................................................................... 13

Water Flow Control ................................................................................................................................................ 14

Desuperheater ....................................................................................................................................................... 14

Ground Loop .......................................................................................................................................................... 14

Control Box

Microtech III Controller ...................................................................................................................................... 15 .

Field Installed Accessories ............................................................................................................................... 16-19

Critical Parts List............................................................................................................................................ CPL1-2

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 2

Parts List Revision History

Rev. Date Description

NEW 8/12 NEW

13600 Industrial Park Blvd., P.O. Box 1551, Minneapolis, MN 55440 [phone]

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 3

Nomenclature

Serial Number

AUB U 12 05 00148

Plant Identification Abbreviation

AUB = Auburn

U= Unit

Week of Manufacture

Year of Manufacture

12= 2012
13= 2013

etc.

Serial Number
(build sequence)

Model Number

W GTH 026 B 1 E WL R T 4 Y Y Y C S YY Y B 2 A Y E Y Y 2L B A Y Y Y YYY Y

Code 01 02-03 04 05 06 07 08 09 10 11 12 13 14 15 16 17-18 19 20 21 22 23 24 25 26 27 28 29 30 31 32-34 35

YYY S Y Y B A B A Y A T Y C Y YY Y Y 2 Y Y S A L K Y Y Y Y YY Y Y

Code 36-38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66-67 68 69

A Y Y Y Y A A Y C Y Y YY FF ST ST YY YYY Y C Y Y YY 1

Code 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92

Code 01= Unit Type
W= Water Source Heat Pump

Code 02= Model Type
GS= High Efficiency, 2- Stage

Code 03= Configuration
H= Horizontal
V= Vertical

Code 04= Unit Size (BtuH Nominal Cooling)
026= 26000
032= 32000
038= 38000
044= 44000
049= 49000
064= 64000
072= 72000

Code 05= Unit Control
B= MicroTech III Unit Controller

Code 06= Design Series (Vintage)
1= Design 1

Code 07= Voltage
E= 208-230/60/1
F= 208-230/60/3
J= 265/60/3
K= 460/60/3

Code 09= Return Air Location
L= Left-Hand Return Air & Right-Hand Piping
R= Right-Hand Return Air & Right-Hand Piping

Code 10= Discharge Air Location
E= End (Horizontal Unit only)
T= Top (Vertical Unit only)
S= Straight (Horizontal Unit only)

Code 11= Fan Motor
4= ECM Constant CFM

Code 12= Dehumidification Option
B= Hot Gas Reheat Smart Dehumidification
C= Simplified Dehumidification
(Lower CFM no HGRH or no Humidistat)
D= Humidistat Controlled Dehumidification (No HGRH)
E= Humidistat only
Y= None

Code 13= Sound Packages
A= Premium
Y= None

Code 14= IAQ Packages (Indoor Air Quality)
Y= None

Code 15= Coaxial Heat Exchanger Construction
C= Copper Inner Tube- Steel Outer Tube
S= Cupro-Nickel Inner Tube- Steel Outer Tube

Code 08= Range for Entering Water/Glycol Temp.
GW= Ground Water
WL= Water Loop
GL= Ground Loop

Code 16= Primary Air Coil Options
S= Standard
E= E-Coated

Codes 17-18= Always YYY

Continued on next page.

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 4

Nomenclature

Code 19= Communication Module
B= BACnet
F= BACnet - WSHP System
L= LonWorks
Y= None

Code 20= Filter Rack
2= 4-Sided, 2" w/Duct Collar & Door
3= 4-Sided, 2" w/Duct Collar, Door, Hi-Merv Seal
4= 4-Sided, 4" w/Duct Collar, Door, Hi-Merv Seal
Y= None

Code 21= Filter Type
A= 2" Disposable
E= Merv 8 Factory Installed
G= Merv 13 (4" thick) Factory Installed
Y= None

Code 22= Water Coil- Indoor Air
E= Waterside Economizer
Y= None

Code 23= Electric Heating- Indoor Air
C= 5.0 kw Internal Electric Heater
E= 10.0 kw Internal Electric Heater
F= 15.0 kw Internal Electric Heater- 2 Stage
G= 20.0 kw Internal Electric Heater- 2 Stage
P= Control for Electric Heat, Single 24V Signal
(Field Installed Duct Heater by Others)
Y= None

Code 29= Coaxial Coil Supply Liquid Strianer
Y= None

Code 30= Always Y

Code 31= Desuperheater Water Flow Options
Q= Pump 208-230/60/1V
Y= None

Codes 32- 34= Always YYY

Code 35= Water Coil Piping (HW or Waterside Economizer)
A= 3-Way, Motorized- 24V Valve Control, NO to Coax
Y= None

Codes 36-38 = Always YYY

Code 39= Primary Drain Pan Material
S= Stainless Steel

Code 40= Secondary Drain Pan Material
Y= None

Code 41= Compressor Insulation
B= Sound Blanket
P= Premium
Y= None

Code 42= Compressor Isolation
B= Isolated Base

Code 24= Control Secondary Heat Type
B= Boilerless Electric Heat
E= Emergency Heat
P= Primary Electric Heat (No Heat Pump Heating)
S= Supplemental Heat
Y= None

Code 25= Desuperheater (Hot Water Generator)
D= Desuperheater
Y= None

Code 26= Loop Pump
1S= One Low Head 230 Volt Pump, Grundfos UP26-99F
1L= One High Head 230 Volt Pump, Grundfos UP26-116F
2S= Two Low Head 230 Volt Pump, Grundfos UP26-99F
2L= Two High Head 230 Volt Pump, Grundfos UP26-116F
3S= One Low Head 115 Volt Pump, Grundfos UP26-99F
4S= Two Low Head 115 Volt Pump, Grundfos UP26-99F
YY= None

Code 27= Coaxial Coil Supply Liquid Flow Control
B= 2-Way, Motorized- 24V Valve Control, NO
C= 2-Way, Motorized- 24V Valve Control, NC
Y= None

Code 28= Coaxial Coil Supply Liquid Auto Flow Reg
G= 5.0 GPM L= 11.0 GPM
H= 6.0 GPM M= 12.0 GPM
I= 8.0 GPM N= 13.0 GPM
J= 9.0 GPM P= 15.0 GPM
K= 10.0 GPM S= 18.0 GPM
Y= None

Code 43= Insulation- Compressor Compartment
A= 1/2" Fiberglass Skin Faced
B= 1/2" Fiberglass Foil Faced
C= 3/8" Closed Cell Foam

Code 44= Insulation- Air Side
A= 1/2" Fiberglass Skin Faced
B= 1/2" Fiberglass Foil Faced
C= 3/8" Closed Cell Foam
P= Premium

Code 45= Insulation- Piping
A= Insulated Piping
Y= None

Code 46= Always Y

Code 47= Cabinet Finish
A= Powder Coat
G= Galvanized Steel

Code 48= Cabinet Color
T= Textured Charcoal Bronze
W= Off White
Y= None

Code 49= Always Y

Code 50= Fan Motor Control
C= Various Speeds with 4 Adjustment Settings

Continued on next page.

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 5

Nomenclature

Code 51= Fan Motor Control location
Y= None

Code 52= Always YY

Code 53= Disconnect Switch
N= Non-Fused
Y= None

Code 54= Future Use Only
Y= None

Code 55= Control Transformer
1= 50VA
2= 75VA

Code 56= Thermostat/Sensor Control
S= Sensor Control
T= Thermostat Control

Code 57= Currrent Sensing Switches
Y= None

Code 58= Condensate Overflow Protection
S= Sensor

Code 59= High Pressure Switch
A= 600 psi NC

Code 60= Low Pressure Switch or Sensor
L= 7 psi NC

Code 61= Low Temp. Protection Compressor Suction
K= 10K Thermistor

Code 62= Discharge Air Thermistor
K= 10K Thermistor
Y= None

Code 63= Leaving Supply Fluid Temp
K= 10K Thermistor
Y= None

Code 64= Entering Supply Fluid Temp
K= 10K Thermistor
Y= None

Code 65= Return Air Thermistor
K= 10K Thermistor
Y= None

Code 66-67= Always YY

Code 68= Terminal Block Connection
Y= None

Code 69= Emergency Switch for Electric Heat
Y= None

Code 70= Annunciator
A= Yes

Code 71= Reset Button
Y= None

Code 72 = Monitoring
Y= None

Code 73= Emergency Stop
Y= None

Code 74= External Binary Output 1
Y= None

Code 75= Expansion Device
A= Thermal Exp. Valve Thermal Bulb & Equalizer Tube

Code 76= Alarm Relay
A= Alarm Relay (Dry Contacts)
Y= None

Code 77= Dirty Filter Sensor
Y= None

Code 78= Reversing Valve
C= Normally Open in Cooling Mode

Code 79= Outside Air Control
Y= None

Code 80= Always Y

Code 81= Boilerless Electric Heat Setpoint
GL= Glycol 28F
WA= Water 55F
YY= None

Code 82= Freeze Fault Protection
FF= Freeze Fault Protection
YY= None

Code 83= Occupied Setpoint Differential (1-5F)
ST= Setpoint (1˚F)

Code 84= Unoccupied Setpoint Differential (2-10F)
ST= Setpoint (2˚F)

Code 85= Hydronic Heating on Setpoint (70-90F)
YY= None

Code 86= BACnet Address
YYY= None

Code 87= Always Y

Code 88= Agency
C= ETL, CETL, ARI

Code 89= Conformance
Y= None

Code 90= Future Use Only
Y= None

Code 91= Extended Warranty

Code 92= Product Style

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 6

Electrical Legend

AN1, 2 ........................ LED/Annunciator

C11 - 12 ..................... Capacitor, Compressor

C01 - 04 ..................... Capacitor, Fan

C1, 2 .......................... Compressor Motor

COS ........................... Condensate Overflow Sensor

DAT ............................ Discharge Air Temp. Sensor

HP1, 2 ........................ High Pressure Switch

ISO-NC ...................... Isolation Valve, Normally Closed

ISO-NO ...................... Isolation Valve, Normally Open

LT1, 2 ......................... Suction Line Temp Sensor

LWT ........................... Leaving Water Temp Sensor

MCB ........................... Main Control Board

MIII ............................. MicroTech III Main Board

NCB ........................... Network Control Board

RAT ............................ Return Air Temp Sensor

RV1, 2 ........................Reversing Valve Solenoid

TR1 ............................ Transformer, Control

TR2 ............................ Transformer, Fan Motor

TR3 ............................ Transformer, Loop Pump

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 7

Typical Refrigeration Cycles

Cooling Refrigeration Cycle (single circuit only shown)

Return Air

Thermal

Expansion Valve

Co-Axial Heat

Exchanger

Coil- Air to Refrigerant

Heat Exchanger

Blower

Heating Refrigeration Cycle (single circuit only shown)

Conditioned Air (Cooling)

Return Air

Reversing Valve

Thermal

Expansion Valve

Water In

Water Out

Sensing Bulb &

Capillary Tube

Compressor

Co-Axial Heat

Exchanger

Coil- Air to Refrigerant

Heat Exchanger

Blower

Reversing Valve

Conditioned Air (Heating)

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 8

Water In

Water Out

Sensing Bulb &

Capillary Tube

Compressor

Blower Fan Assembly

370

365

300

350

Ref. Part
No. Description Number 026 032 038 044 049 064 072

ECM Motor, 208-230V *

300 1/3 HP 669822525 1
300 1/2 HP 669822527 1
300 1/2 HP 669822529 1
300 3/4 HP 669822531 1
300 3/4 HP 669822533 1
300 1 HP 669822535 1
300 1 HP 669822537 1

ECM Motor, 265V *
300 1/3 HP 669822526 1
300 1/2 HP 669822528 1
300 3/4 HP 669822530 1
300 3/4 HP 669822532 1
300 3/4 HP 669822534 1
300 1 HP 669822536 1
300 1 HP 669822538 1

350 Blower Hsg & Wheel Assy 667838701 1 1
350 Blower Hsg & Wheel Assy 668151101 1 1 1 1 1

365 Band- Motor Mount 802009140 1 1
365 Band- Motor Mount 910121966 1 1 1 1 1

Unit Sizes

370 Arm- Motor Mount 668405401 3 3
370 Arm- Motor Mount 910121965 4 4 4 4 4

* Check the name plate to verify program. Fan motors are shipped programmed.

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 9

Electric Heat

Ref. Part
No. Description Number 026 032 038 044 049 064 072

N/S Electric Heater, 5 kW

208-230/60/1 910127101 1 1
208-230/60/3 910122439 1 1
265/60/1 910127102 1 1

460/60/3 910122440 1 1

208-230/60/1 910122441 1 1 1 1 1
208-230/60/3 910122442 1 1 1 1 1
265/60/1 910122443 1 1 1 1 1
460/60/3 910122444 1 1 1 1 1

N/S Electric Heater, 10 kW
208-230/60/1 910127103 1 1
208-230/60/3 910127104 1 1
265/60/1 910127105 1 1

460/60/3 910127106 1 1

208-230/60/1 910127107 1 1 1 1 1
208-230/60/3 910127108 1 1 1 1 1
265/60/1 910122430 1 1 1 1 1
460/60/3 910127109 1 1 1 1 1

N/S Electric Heater, 2- Stage, 15 kW
208-230/60/1 910122431 1 1 1 1 1
208-230/60/3 910122432 1 1 1 1 1
460/60/3 910122434 1 1 1 1 1

Unit Sizes

N/S Electric Heater, 2- Stage, 20 kW
208-230/60/1 910122435 1 1 1 1 1
208-230/60/3 910122436 1 1 1 1 1
460/60/3 910122438 1 1 1 1 1

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 10

Refrigeration Circuit

Components

Ref. Part
No. Description Number 026 032 038 044 049 064 072

N/S Hex Nut, Compr. Mounting 802012035 4 4 4 4 4 4 4

N/S Grommet, Compr. Mounting 4RHZ9154 4 4 4 4 4 4 4
N/S Sleeve, Compr. Mounting 060623401 4 4 4 4 4 4 4

N/S Compressor- 2- Stage
20200 BTUH 208-230/60/1 910115767 1
26400 BTUH 208-230/60/1 910115770 1
30600 BTUH 208-230/60/1 910115773 1
36900 BTUH 208-230/60/1 910115776 1
41100 BTUH 208-230/60/1 910115779 1
51900 BTUH 208-230/60/1 910115785 1
60800 BTUH 208-230/60/1 910115788 1

20100 BTUH 265/60/1 910115768 1
26100 BTUH 265/60/1 910125400 1

20000 BTUH 460/60/3 910115769 1
26100 BTUH 460/60/3 910115771 1
30600 BTUH 460/60/3 910115774 1
36800 BTUH 460/60/3 910115777 1
41200 BTUH 460/60/3 910115780 1
52100 BTUH 460/60/3 910115786 1
60900 BTUH 460/60/3 669816421 1

Unit Sizes

20100 BTUH 208-230/60/3 910127787 1
26100 BTUH 208-230/60/3 910115772 1
30600 BTUH 208-230/60/3 910115775 1
36900 BTUH 208-230/60/3 910115778 1
41200 BTUH 208-230/60/3 910115781 1
52100 BTUH 208-230/60/3 910115787 1
61000 BTUH 208-230/60/3 669816422 1

N/S Sound Blanket 25.5 X 15.5" 669280501 1 1
Sound Blanket 30 X 16.5" 669280601 1 1 1 1 1

N/S Condenser Copper Inner Tube (C15=C) 669817502 1 1
Condenser Copper Inner Tube (C15=C) 669817500 1
Condenser Copper Inner Tube (C15=C) 669817501 1 1
Condenser Copper Inner Tube (C15=C) 669817503 1 1

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 11

Refrigeration Circuit

Components

Ref. Part
No. Description Number 026 032 038 044 049 064 072

N/S Evap Coil Assy, 3 Row, 31.89 X 18 LH 669952024 1 1
Evap Coil Assy, 3 Row, 31.89 X 18 RH 669952025 1 1
Evap Coil Assy, 3 Row, 35.1 X 20 LH 669952035 1
Evap Coil Assy, 3 Row, 35.1 X 20 RH 669952040 1
Evap Coil Assy, 3 Row, 40.5 X 20 LH 669952022 1 1
Evap Coil Assy, 3 Row, 40.5 X 20 RH 669952036 1 1
Evap Coil Assy, 3 Row, 27 X 34 LH 669952045 1 1
Evap Coil Assy, 3 Row, 27 X 34 RH 669952034 1 1

N/S Reversing Valve 910125412 1 1
Reversing Valve 910118735 1
Reversing Valve 910125410 1 1 1 1
N/S Solenoid 106694207 1 1 1 1 1 1 1
N/S High Pressure Switch 910117560 1 1 1 1 1 1 1
N/S Low Pressure Switch 107225101 1 1 1 1 1 1 1
N/S Seat, Fitting 668188801 1 1 1 1 1 1 1
N/S Core, Valve 668188701 1 1 1 1 1 1 1
N/S Cap, Valve 668189501 1 1 1 1 1 1 1
N/S Fusible Plug Assy 850008345 1 1 1 1 1 1 1
Plug Only 283° F 106057401 1 1 1 1 1 1 1
N/S Thermal Expansion Valve, TXV 1.5T 910115789 1
Thermal Expansion Valve, TXV 2T 910116444 1 1
Thermal Expansion Valve, TXV 2.5T 910116445 1
Thermal Expansion Valve, TXV 3T 910116446 1 1
Thermal Expansion Valve, TXV 4T 910116447 1

Unit Sizes

N/S HGRH Coil Assy- Horizontal
HGRH Coil RH 669949324 1 1
HGRH Coil RH 669949323 1
HGRH Coil RH 669949308 1 1
HGRH Coil LH 669949316 1 1
N/S HGRH Coil Assy- Vertical
HGRH Coil LH 669949321 1 1
HGRH Coil RH 669949314 1 1
HGRH Coil LH 669949320 1
HGRH Coil RH 669949315 1
HGRH Coil LH 669949318 1 1
HGRH Coil RH 669949317 1 1
HGRH Coil LH 669949319 1 1
HGRH Coil RH 669949312 1 1
N/S Valve, Check 5/8 ODS 669816600 1 1 1 1 1 1 1
N/S 3-Way Valve, HGRH, .625" 910114188 1 1 1 1 1 1 1
N/S Solenoid, HGRH 910125395 1 1 1 1 1 1 1
N/S Mounting Bracket, Vertical 669819510 2 2 2 2 2 2 2
Mounting Bracket, Horizontal 669819511 2 2 2 2 2 2 2

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 12

Primary Drain Pan, Auxilliary Drain Pan

Ref. Description
No. Horizontal Vertical

N/S Condensate Pan, SSTL
Unit Sizes 026, 032 669972218 669972208
Unit Sizes 038 RH 669972221 669972206
Unit Sizes 038 LH 669972214 669972206
Unit Sizes 044, 049 RH 669972216 669972206
Unit Sizes 044, 049 LH 669972215 669972206
Unit Sizes 064, 072 RH 669972222 669972206
Unit Sizes 064, 072 LH 669972220 669972206

N/S Auxilliary Drain Pan, SSTL
Unit Sizes 036-070 669816839 N/A

Base Pan

Ref. Description Char Bronze Off White
No. Textured Pwd Pwd Galv.

N/S Base Pan, Horizontal
Unit Sizes 026, 032 LH 669942509 669942202
Unit Sizes 026, 032 RH 669942516 669942519 669942212
Unit Sizes 038 LH 669942505 669942203
Unit Sizes 038 RH 669942517 669942210
Unit Sizes 044, 049 LH 669942508 669942522 669942204
Unit Sizes 044, 049 RH 669942515 669942213
Unit Sizes 064, 072 LH 669942501 669942217
Unit Sizes 064, 072 RH 669942518 669942214

N/S Base Pan, Vertical
Unit Sizes 026, 032 669942510 669942216
Unit Sizes 038-072 669942503 669942209

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 13

Water Flow Control

Ref. Description Part No. Qty.
No.

N/S Auto Flow Control Valve, .625" COP 1.5 GPM 113133703 1
Auto Flow Control Valve, .625" COP 2.0 GPM 669648901 1
Auto Flow Control Valve, .625" COP 2.5 GPM 669648902 1
Auto Flow Control Valve, .625" COP 3.0 GPM 669648903 1

N/S Auto Flow Control Valve, .875" COP 4.0 GPM 669648914 1
Auto Flow Control Valve, .875" COP 4.5 GPM 669648905 1
Auto Flow Control Valve, .875" COP 5.0 GPM 669648906 1
Auto Flow Control Valve, .875" COP 6.0 GPM 669648907 1
Auto Flow Control Valve, .875" COP 8.0 GPM 669648908 1

N/S Auto Flow Control Valve, 1.125" COP 8.0 GPM 669648921 1
Auto Flow Control Valve, 1.125" COP 9.0 GPM 910122446 1
Auto Flow Control Valve, 1.125" COP 10.0 GPM 910122447 1
Auto Flow Control Valve, 1.125" COP 11.0 GPM 910122448 1
Auto Flow Control Valve, 1.125" COP 12.0 GPM 910122449 1
Auto Flow Control Valve, 1.125" COP 13.0 GPM 910122450 1
Auto Flow Control Valve, 1.125" COP 15.0 GPM 910122451 1
Auto Flow Control Valve, 1.125" COP 18.0 GPM 910122452 1

Desuperheater

Ref. Description Part No. Qty.
No.

N/S Desuperheater Coil Copper Inner Tube
Unit Sizes 024, 030 910116349 1
Unit Sizes 036- 048 910116350 1
Unit Sizes 060- 070 910116351 1
N/S Pump, Circulating 230V 668200901 1
N/S Switch, Temp, Open on Rise 910129278 1
N/S Switch, Temp, Close on Rise 910129279 1

Ground Loop

Ref. Description Part No. Qty.
No.

N/S Pump Circulator, Low Head 115/60/1 910131434 1
N/S Pump Circulator, Low Head 115/60/1 910131435 1
N/S Pump Circulator, Low Head 230/60/1 668200904 1
N/S Pump Circulator, Low Head 230/60/1 668200908 1
N/S Pump Circulator, High Head 230/60/1 668200911 1
N/S Pump Circulator, High Head 230/60/1 668200910 1
N/S Flange Kit, Isolation Valve, 3/4" 910131451 2
N/S Flange Kit, Isolation Valve, 1" 910131452 2
N/S Check Valve, 3/4" 910132273 1
N/S Check Valve, 1" 910132274 1
N/S Relay, DPST, 30A 106500101 1
N/S Gasket 910105429 1

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 14

Control Box

Components

Ref. Part

Unit Sizes

No. Description Number 026 032 038 044 049 064 072

N/S Bracket, Capacitor 850010570 1 1 1 1 1 1 1

N/S Capacitor, 208-230/60/1 35MFD 370VAC 910120050 1
N/S Capacitor, 208-230/60/1 40MFD 370VAC 910120051 1 1 1 1
N/S Capacitor, 208-230/60/1 45MFD 370VAC 910120052 1
N/S Capacitor, 208-230/60/1 30MFD 370VAC 910120049 1
N/S Capacitor, 265/60/1 40MFD 370VAC 910120051 1
N/S Capacitor, 265/60/1 40MFD 370VAC 802007850 1

N/S MicroTech III Control Board, Series 2 250806500 * 1 1 1 1 1 1 1

N/S I/O Expansion Board Assy, Series 2 250806601 1 1 1 1 1 1 1
N/S Fan Speed Selection Board Assy 668917201 1 1 1 1 1 1 1
N/S Annunciator LED 668395201 2 2 2 2 2 2 2
N/S LonWorks Comm. Card & Software 668105801

**

1 1 1 1 1 1 1

N/S BACnet Comm. Card & Software 668105901** 1 1 1 1 1 1 1

N/S H1 Connector, 2-Pin (24V Power) 668302122 1 1 1 1 1 1 1
N/S H2 Connector, 2-Pin/1-Blank (Fan Output) 4EGA9160 1 1 1 1 1 1 1
N/S H3 Connector, 2-Pin (Hi Pressure Switch) 668302122 1 1 1 1 1 1 1
N/S H4 Connector, 4-Pin (Dis Air/Leaving H

O Temp Sensor) 4EGA9159 3 3 3 3 3 3 3

2

N/S H6 Connector, 7-Pin (Cond OF/Low P/Low T/Rev Vlv) 4EGA9164 1 1 1 1 1 1 1
N/S H8 Connector, 3-Pin (Motorized & Iso Vlvs/Pump Relay) 4EGA9160 1 1 1 1 1 1 1
N/S H9 Connector, 2-Pin (RA Temp Sensor) 668302122 1 1 1 1 1 1 1

N/S Relay, DPST, 6A 24V 802005906 1 1 1 1 1 1 1
N/S Disconnect Switch, 3P 910123457 1 1 1 1 1 1 1
N/S Terminal Block, 115A 208-230/460/60/3 668989901 1 1 1 1 1 1 1
N/S Terminal Block, 175A 208/265/60/1 4ECA8877 1 1 1 1 1 1 1
N/S Contactor, Compressor 30A 3PDT 073322601 1 1 1 1 1 1 1
N/S Stand Off
PC Board 802028115 8 8 8 8 8 8 8
Edge- Holders (Comm. Card only) 910105356 5 5 5 5 5 5 5
N/S Low Temperature Sensor 910121228 1 1 1 1 1 1 1

N/S Transformer, 50VA 208/230V 910116202 1 1 1 1 1 1 1
N/S Transformer, 75VA 208/230V 910116213 1 1 1 1 1 1 1
N/S Transformer, 50VA 265V 910116203 1 1 1 1 1 1 1
N/S Transformer, 75VA 265V 910116209 1 1 1 1 1 1 1
N/S Transformer, 50VA 460V 910116205 1 1 1 1 1 1 1
N/S Transformer, 75VA 460V 910116209 1 1 1 1 1 1 1

N/S Sensor, Discharge Air (DAT) 10K/72” 910106325 1 1 1 1 1 1 1
N/S Sensor, Return Air (RAT) 10K/72” 910106325 1 1 1 1 1 1 1
N/S Sensor, Entering Water (EWT)- .875" 10K/80” 910121231 1 1
N/S Sensor, Leaving Water (LWT)- .875" 10K/80” 910121231 1 1
N/S Sensor, Entering Water (EWT)- 1.125" 10K/80” 107201601 1 1 1 1 1
N/S Sensor, Leaving Water (LWT)- 1.125" 10K/80” 107201601 1 1 1 1 1

N/S= Not shown on diagram.
* Used on any unit with the following applications: 2 Compressors/Stages, Supplemental Electric Heat, Multi-speed ECM Motors, and Hot Gas Bypass.
** Field-upgrading requires a Service Tool for com. card programming, com-card stand-off & main PCB jumper change.

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 15

Field Installed Accessories

Filters- Horizontal

Description 026/032 038 044/049 064/072

Kit, Filter, 2" Throwaway 669817401 669817402 669817403 669817404

12 Pack of 2" Throwaway 910129104 910129105 910129106 910129107

Kit, Filter, 2" MERV 8 Throwaway 669817411 669817412 669817413 669817414
12 Pack of 2"MERV 8 Throwaway 910129115 910129116 910129117 910129118

Kit, Filter, 4" MERV 13 Throwaway 669817421 669817422 669817423 669817424
6 Pack of 4" MERV 13 Throwaway 910129126 910129127 910129128 910129129

Filters- Vertical

Description 026/032 038 044/049 064/072

Kit, Filter, 2" Throwaway 669817405 669817406 669817407 669817407

12 Pack of 2" Throwaway 910129099 910129101 910129102 910129102

Kit, Filter, 2" MERV 8 Throwaway 669817415 669817416 669817417 669817418
12 Pack of 2"MERV 8 Throwaway 910129110 910129111 910129112 910129113

Kit, Filter, 4" MERV 13 Throwaway 669817425 669817426 669817427 669817428
6 Pack of 4" MERV 13 Throwaway 910129121 910129122 910129123 910129124

Unit Hanger

Description

Unit Hanger Kit 1
Unit Sizes 026-072 669997602

1

Kit includes four (4) brackets (p/n 669823200), four (4) grommets (p/n 802003334), and hardware.

Part Number

Thermostat Accessory Kits

Description
T'Stat Guard 105571101

10 Pack 105571110

Wall Plate 107096101

Part Number

MTIII Communication Module Kits

Description
LonWorks Comm Module 910128888

BacNet Comm Module 910128889
Wire Harness Assy Kit for MicroTech III (H8, ISO Valve, & Actuator) 910107989

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 16

Part Number

Field Installed Accessories

Ball Valve

Description
Combination Shutoff/Balancing Valve with Memory Stop (2/unit)
Ball Valve, 3/4" FPT 802026098 106065202 106065210
Ball Valve, 1" FPT 802026109 106065302 106065310

Motorized Water Valve

Description Kit Actuator Body
Motorized Valve Kit, 3/4” Sweat, Normally Closed (NC) 10.3Cv 910131360 910129596 910129294
Motorized Valve Kit, 1” Sweat, Normally Closed (NC) 8.9Cv 910131361 910129596 910129295

Motorized Valve Kit, 3/4” NPT, Normally Closed (NC) 10.3Cv 910131354 910129596 910129297
Motorized Valve Kit, 1” NPT, Normally Closed (NC) 8.9Cv 910131355 910129596 910129298

Motorized Valve Kit, 3/4” Sweat, Normally Open (NO) 10.3Cv 910131357 910129599 910129294
Motorized Valve Kit, 1” Sweat, Normally Open (NO) 8.9Cv 910131358 910129599 910129295

Part No.

2 Pack 10 Pack

Motorized Valve Kit, 3/4” NPT, Normally Open (NO) 10.3Cv 910128987 910129599 910129297
Motorized Valve Kit, 1” NPT, Normally Open (NO) 8.9Cv 910128988 910129599 910129298

Waterside Economizer

Description Part Number

3-Way Valve, 3/4” 910128662

3-Way Valve, 1” 910128663
Actuator 107179809
Valve, Air Manual 107264801

Thermostats

Description Part Number

Programmable TStat - 3 Cool-4 Heat, built-in humidity sensing, ACO and 7-day. 910121750

Remote Room Sensor, Indoor (Used with T'Stat 910121750) 910129095
Remote Room Sensor, Outdoor (Used with T'Stat 910121750) 910129096
Non-Programmable TStat - 2 Cool-2 Heat, ACO & MCO. 910121746

Programmable TStat - 2 Cool-2 Heat, ACO & MCO and 7-day. 910121748
Remote Room Sensor, Indoor (Used with T'Stat 910121746 & 910121748) 667720401

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 17

Field Installed Accessories

Hoses

Description Specification Part Number

Hose Assy, Fire Rated Condensate 3/4" NPT X 2' 106063801
3/4" NPT X 3' 106063901
Hose Assy, Fire Rated Supply/Return (2 Pack) 1/2" NPT X 2' 106062801
1/2" NPT X 3' 106063101
3/4" NPT X 2' 106062901
3/4" NPT X 3' 106063201
1" NPT X 2' 106063401
1" NPT X 3' 106063501

Hose Assy, Plastic Condensate 3/4" NPT X 30" 106063701

3/4" NPT X 36" 106665101
1/2" Flow Control Hose Kit, Fire Rated Supply/Return 0.5 GPM 106582901
Includes: Supply Ball Valve, Y-Strainer, and 24" Stainless Steel Hose. 1.0 GPM 106582902
Return Flow Controller, Ball Valve, (2) P/T, 24" Stainless Steel Hose. 1.5 GPM 106582903

2.0 GPM 106582904

2.5 GPM 106582905

3.0 GPM 106582906

3.5 GPM 106582907

4.0 GPM 106582908

4.5 GPM 106582909

5.0 GPM 106582910

3/4" Flow Control Hose Kit, Fire Rated Supply/Return 3.0 GPM 106582913
Includes: Supply Ball Valve, Y-Strainer, and 24" Stainless Steel Hose. 3.5 GPM 106582914
Return Flow Controller, Ball Valve, (2) P/T, 24" Stainless Steel Hose.

4.5 GPM 106582916

5.0 GPM 106582917

5.5 GPM 106582918

6.0 GPM 106582919

6.5 GPM 106582920

7.0 GPM 106582921

7.5 GPM 106582922

8.0 GPM 106582923

9.0 GPM 106582924

10.0 GPM 106582925

11.0 GPM 106582926

12.0 GPM 106582927

13.0 GPM 106582928

15.0 GPM 106582929
1" Flow Control Hose Kit, Fire Rated Supply/Return 8.0 GPM 106582932
Includes: Supply Ball Valve, Y-Strainer, and 24" Stainless Steel Hose. 9.0 GPM 106582933
Return Flow Controller, Ball Valve, (2) P/T, 24" Stainless Steel Hose.

11.0 GPM 106582935

12.0 GPM 106582936

13.0 GPM 106582937

15.0 GPM 106582936

18.0 GPM 106582937

5.5 GPM 106582911

6.0 GPM 106582912

4.0 GPM 106582915

10.0 GPM 106582934

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 18

Field Installed Accessories

MicroTech III Temperature Sensors

Part No. Tenant Override Set Point Adjustment Status LED Fan & Mode Switches

669088101 Yes No No No
668900801 Yes 55˚ to 95˚F (12˚ to 35˚C) Yes Yes
669088201 Yes -3˚ to +3˚F (-1.5˚ to 1.5˚C) No Yes

Note: Can only be used in conjunction with a communication (Comm.) card. See OM 931 for required jumper settings.

MicroTech III Unit Control Accessories

Description Part Number

** Multiple Unit Control Panel:

Allows a master unit controlled by a T'Stat, to operate up to 3 secondary units
Not Recommended for use with a Boilerless System Kit

Boilerless System Kit (S007-S042) 0062522201
Boilerless System Kit (S048-S060) 0062522204
Boilerless System Kit with I/O Expansion Board 910110355
Boilerless System Kit without I/O Expansion Board 910110353
Programmmable Sensor for BACnet/LON- 3 Cool-4 Heat w/ built-in humidity sensing 910121754
Sensor for BACnet/LON- 2 Cool-2 Heat w/Warm-Cooler Temp Adj. 910121753

** Kit components listed below

056794201

Multiple Unit Control Panel Kit

310

2 Tier 2- Stage WSHP; WGTH, WGTV 026- 072 Design 1 New 8/12 RPL 700025100 / Page 19

311

313

Ref. Description Part No. Qty.

No.

310 Cover, Control Box 106436101 1
311 Circuit Board 056794001 1
312 Stand Off, Circuit Board 802028090 6
313 Box 850007827 1

312

Critical Daikin McQuay OEM Parts Are What Your

Daikin McQuay HVAC Unit Needs!

SmartSourceTM 2-Stage WSHP

WGTH, WGTV

Sizes 026 - 072

Design 1

CRITICAL PART
COMPONENTS MODEL UNIT SIZE VOLTAGE NUMBER

CONTROLS

MicroTech III Control Board, Series 2 ALL ALL N/A 250806500
I/O Expansion Board Assy, Series 2 ALL ALL N/A 250806601
LonWorks Comm. Card & Software ALL ALL N/A 250806801
BACnet Comm. Card & Software ALL ALL N/A 250806701

COMPRESSOR

20200 BTUH ALL 026 208-230/60/1 910115767

26400 BTUH ALL 032 208-230/60/1 910115770

30600 BTUH ALL 038 208-230/60/1 910115773
36900 BTUH ALL 044 208-230/60/1 910115776
41100 BTUH ALL 049 208-230/60/1 910115779

51900 BTUH ALL 064 208-230/60/1 910115785

60800 BTUH ALL 072 208-230/60/1 910115788
20100 BTUH ALL 026 265/60/1 910115768

26100 BTUH ALL 032 265/60/1 910115400
20000 BTUH ALL 026 460/60/3 910115769

26100 BTUH ALL 032 460/60/3 910115771
30600 BTUH ALL 038 460/60/3 910115774
36800 BTUH ALL 044 460/60/3 910115777
41200 BTUH ALL 049 460/60/3 910115780
52100 BTUH ALL 064 460/60/3 910115786

60900 BTUH ALL 072 460/60/3 669816421

20100 BTUH ALL 026 208-230/60/3 910115787
26100 BTUH ALL 032 208-230/60/3 910115772

30600 BTUH ALL 038 208-230/60/3 910115775

36900 BTUH ALL 044 208-230/60/3 910115778
41100 BTUH ALL 049 208-230/60/3 910115781

52100 BTUH ALL 064 208-230/60/3 910115787
61000 BTUH ALL 072 208-230/60/3 669816422

BLOWER FAN MOTOR

1/3HP ALL 026 208-230/60/1 669822525
1/2HP ALL 032 208-230/60/1 669822527
1/2HP ALL 038 208-230/60/1 669822529
3/4HP ALL 044 208-230/60/1 669822531
3/4HP ALL 049 208-230/60/1 669822533
1HP ALL 064 208-230/60/1 669822535
1HP ALL 072 208-230/60/1 669822537
1/3HP ALL 026 265/60/1 669822526
1/2HP ALL 032 265/60/1 669822528
1/2HP ALL 038 265/60/1 669822530
3/4HP ALL 044 265/60/1 669822532
3/4HP ALL 049 265/60/1 669822534
1HP ALL 064 265/60/1 669822536
1HP ALL 072 265/60/1 669822538

Continued on next page.

Call Your Local Daikin McQuay Parts Distributor For All Your Parts Needs.

To Locate A Distributor, Go To www.DaikinMcQuay.com or Call 1-800-37PARTS

7000251 New 8/2012 CPL Page 1 of 2

Critical Daikin McQuay OEM Parts Are What Your

Daikin McQuay HVAC Unit Needs!

SmartSourceTM 2-Stage WSHP

WGTH, WGTV

Sizes 026 - 072

Design 1

CRITICAL PART
COMPONENTS MODEL UNIT SIZE VOLTAGE NUMBER

BLOWER FAN ASSY
Blower Housing & Wheel Assy ALL 026, 032 ALL 667838701

Blower Housing & Wheel Assy ALL 038-072 ALL 668151101

REFRIGERATION CIRCUIT

Reversing Valve ALL 026, 032 N/A 910125412
Reversing Valve ALL 038 N/A 910118735
Reversing Valve ALL 044-072 N/A 910125410
Solenoid-Reversing Valve ALL ALL N/A 106694207
Thermal Expansion Valve 1.5 Ton ALL 026 N/A 910115789
Thermal Expansion Valve 2 Ton ALL 032, 038 N/A 910116444
Thermal Expansion Valve 2.5 Ton ALL 044 N/A 910116445
Thermal Expansion Valve 3 Ton ALL 049, 064 N/A 910116446
Thermal Expansion Valve 4 Ton ALL 072 N/A 910116447

SENSOR

Discharge Air Sensor (DAT) 10K/72" ALL ALL N/A 910106325
Return Air Sensor (RAT) 10K/72" ALL ALL N/A 910106325
Entering Water Sensor (EWT) 10K/80" ALL 026, 032 N/A 910121231
Leaving Water Sensor (LWT) 10K/80" ALL 026, 032 N/A 910121231
Entering Water Sensor (EWT) 10K/80" ALL ALL N/A 107201601
Leaving Water Sensor (LWT) 10K/80" ALL ALL N/A 107201601

Call Your Local Daikin McQuay Parts Distributor For All Your Parts Needs.

To Locate A Distributor, Go To www.DaikinMcQuay.com or Call 1-800-37PARTS

7000251 New 8/2012 CPL Page 2 of 2