Bard W18HB-A Wall Mounted Packaged Heat Pump Instruction Manual

: June 2, 2024
: Bard

Table of Contents

W18HB-A Wall Mounted Packaged Heat Pump
Wall Mounted Packaged Heat Pump – W18HB-A
Specifications:
Description:
Cabinet Components:
Blower Assembly:
EEV Controller Assembly:
Usage Instructions:
Cabinet Components:
Blower Assembly:
EEV Controller Assembly:
- FAQ:
Q: Where can I find replacement parts for the Wall Mounted
Q: How often should I clean the blower assembly?
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)

W18HB-A Wall Mounted Packaged Heat Pump

Wall Mounted Packaged Heat Pump – W18HB-A

Specifications:

Model: W18HB-A
Components: Various cabinet components, blower assembly, EEV
controller assembly
Manufacturer: Bard Manufacturing Company, Inc.
Manual Number: 2110-1548H
Website: www.bardhvac.com

Description:

The Wall Mounted Packaged Heat Pump W18HB-A is a versatile
heating and cooling system designed for efficient operation.

Cabinet Components:

The cabinet components include various parts such as lower base,
fan shroud, control panel covers, condenser partition, blower
partition, top outlet air frame assembly, filter bracket, and more.
Refer to the manual for a detailed list of components and part
numbers.

Blower Assembly:

The blower assembly is essential for circulating air within the
unit. Proper maintenance and cleaning of the blower assembly are
crucial for optimal performance.

EEV Controller Assembly:

The EEV (Electronic Expansion Valve) controller assembly helps
regulate the flow of refrigerant in the system, ensuring efficient
cooling and heating cycles.

Usage Instructions:

Cabinet Components:

Refer to the exploded view diagram in the manual to identify
each component.
When replacing parts, ensure compatibility with the specific
model (W18HB-A, W24HB-A/B/C, W24HBDA/B/DC).
For any parts requirements, contact the installing Bard
distributor with the complete model and serial number.

Blower Assembly:

Turn off the unit before attempting any maintenance on the
blower assembly.
Carefully remove any accumulated dust or debris from the blower
components using a soft brush or vacuum cleaner.
Inspect the blower motor and fan blades for any signs of wear
or damage and replace if necessary.

EEV Controller Assembly:

Do not attempt to adjust or modify the EEV controller assembly
without proper training or expertise.
If experiencing issues with refrigerant flow or temperature
control, contact a qualified technician for assistance.

FAQ:

Q: Where can I find replacement parts for the Wall Mounted

Packaged Heat Pump?

A: Contact the installing Bard distributor with your unit’s
model and serial number for all parts requirements.

Q: How often should I clean the blower assembly?

A: It is recommended to clean the blower assembly at least once
a year or more frequently if you notice reduced airflow or
efficiency.

REPLACEMENT PARTS MANUAL

Wall Mounted Packaged Heat Pump

W18HB-A

Models:
W24HB-A W24HB-B W24HB-C

W24HBDA W24HBDB W24HBDC

Contents

Description

Page

Cabinet Components Exploded View ……………………………………… 2 Usage List …………………………………………… 3
Functional Components Standard Units Exploded View ……………………………………… 4 Usage List …………………………………………… 5
Functional Components Dehumidification Units Exploded View ……………………………………… 6 Usage List …………………………………………… 7
Control Panel 230 Volt 1 Phase Units Layout View …………………………………………. 8 Usage List …………………………………………… 9
Control Panel 230 Volt 3 Phase Units Layout View ………………………………………… 10 Usage List ………………………………………….. 11
Control Panel 460 Volt 3 Phase Units Layout View ………………………………………… 12 Usage List ………………………………………….. 13

Description

Page

Blower Assembly Exploded View …………………………………….. 14 Usage List ………………………………………….. 14
EEV Controller Assembly Exploded View …………………………………….. 15 Usage List ………………………………………….. 15

General Notes
Revised and/or additional pages may be issued from time to time.
A complete and current manual consists of pages shown in the contents section.

Important
Contact the installing and/or local Bard distributor for all parts requirements. Make sure to have the complete model and serial number available from the unit rating plates.

Bard Manufacturing Company, Inc. Bryan, Ohio 43506
www.bardhvac.com

Manual: 2110-1548H

Supersedes: 2110-1548G

Date:

11-18-22

Page

1 of 15

CABINET COMPONENTS

29 26
9
10 11

4

21

19

3

20 8
32 18
12
30 13

17

25

15

27

16 6 2 1 31 34

5
24 14
SEXP-991 B

Manual 2110-1548H Page 2 of 15

CABINET COMPONENTS

W18HB-A W24HB-A, B W24HB-C W24HBDA, B W24HBDC

Dwg No.
1 1 2 2 3 3 3
4 4 4
5 5 5 6 6 8 9 9 9 10 11 11 11 12 13 13 14 14 14
15 15 15 16 17 17 17 17 17 17 17 17 17 18 18 18 19 20 20 20 21 21 22 24 25 26 27 27 27 28 29 29 29
30 30 30 31 31 32 34 34 34 NS

Part Number
S127-467 S127-534 k
125-080 125-082 k S501-933- S501-994- k S501-937 S501-934- S501-995- k S501-940 S533-228- S533-235 k S533-236
S521X528 S521-553 k
121X480
S507-311- S507-318- S507-317 k
S111X032
S509-445 S509-447 S509-449 k
113X480
S132-104 S132-172
118-124- 118-140 k 118-141 118-101- 118-106 k 118-144
BFAD-2
S553-537- S553-547 k S553-548 S553-539- S553-555 k S553-556 S553-666- S553-692 k S553-693 S514-240- S514-237- S514-236 k
105X850
S543-175- S543-185 k S543-184
S123-126 S123-140 k
147-044
Control Panel Assembly
113-140
135X127
S153-218 S153-405 k S153-387
137-259
113-141- 113-361 k 113-141-4 S553-538- S553-552- S553-551 k
S536-176 S536-878 k
105-1302
109-444 109-446 109-448 k
5252-033

Description
Lower Base Lower Base Fan Shroud Fan Shroud Right Side Right Side Right Side
Left Side Left Side Left Side
Control Panel Cover (Outer) Control Panel Cover (Outer) Control Panel Cover (Outer) Condenser Partition Condenser Partition Blower Partition Top Top Top Outlet Air Frame Assembly Upper Back Upper Back Upper Back Filter Bracket Control Panel Cover (Inner) Control Panel Cover (Inner) Side Grille Side Grille Side Grille
Condenser Grille Condenser Grille Condenser Grille Fresh Air Damper Assembly Vent Option Door Vent Option Door Vent Option Door Vent Option Door with ERV Vent Option Door with ERV Vent Option Door with ERV Vent Option Door with CRV or ECON-S Vent Option Door with CRV or ECON-S Vent Option Door with CRV or ECON-S Upper Front Upper Front Upper Front Side Support Right Side Cover Plate (Outer) Right Side Cover Plate (Outer) Right Side Cover Plate (Outer) Drain Pan Drain Pan Evaporator Support See Control Panel Assy. Drawing & Parts List Assy. Bottom Mounting Bracket Heat Shield Disconnect Access Door Disconnect Access Door Disconnect Access Door Fill Plate Top Rain Flashing Top Rain Flashing Top Rain Flashing
Filter Door Filter Door Filter Door Cond. Partition Block Off Plate Cond. Partition Block Off Plate Grommet Retainer Lower Back Lower Back Lower Back Bard Nameplate

XXXXX

22222

XX

X

22222

XXXXX

EXterior cabinet parts are manufactured with various paint color options. To ensure the proper paint color is received, include the complete model and serial number of the unit for which cabinet parts are being ordered.

k Exterior cabinet parts are manufactured from stainless steel Code “S” Exterior cabinet parts are manufactured from aluminum Code “A”

Manual 2110-1548H

Page

3 of 15

FUNCTIONAL COMPONENTS STANDARD UNITS

8 2 9
6 Manual 2110-1548H Page 4 of 15

7 12 11 10

5 3 4

14 13 17 15

19 20 1

16 18
SEXP-985

FUNCTIONAL COMPONENTS STANDARD UNITS

W18HB-A W24HB-A W24HB-B W24HB-C

Dwg No.
1 1 1 1

Part Number
8000-433 8000-441 8000-435 8000-436

Description
Compressor Compressor Compressor Compressor

NS

3000-1224

NS

3000-1231

Molded Compressor Wire Harness (1-PH) Molded Compressor Wire Harness (3-PH)

2

900-358-003

Blower Assembly

2

900-358-004

Blower Assembly

2

900-359-002

Blower Assembly

3

8200-001

3

8200-050

Fan Motor Mount Stainless Steel Fan Motor Mount

4

5151-033

Fan Blade

4

5151C033

Coated Fan Blade

4

5151-046

Fan Blade

4

5151C046

Coated Fan Blade

5

8103-028

5

8103-030

Outdoor Fan Motor Outdoor Fan Motor

6

917-0385BX

Outdoor Coil (Includes Distributor)

6

917-0390BX k

Outdoor Coil Coated (Includes Distributor)

6

917-0386BX

Outdoor Coil (Includes Distributor)

6

917-0391BX k

Outdoor Coil Coated (Includes Distributor)

7

800-0427

7

800-0485

Cooling Distributor Assembly Cooling Distributor Assembly

8

917-0388BX

Indoor Coil (Includes Cooling Distributor)

8

917-0393BX k

Indoor Coil Coated (Includes Cooling Distributor)

8

917-0399BX

Indoor Coil (Includes Cooling Distributor)

8

917-0400BX k

Indoor Coil Coated (Includes Cooling Distributor)

9

7004-011

9

7003-032 k

9

7004-025 k

Air Filter 16″ x 25″ x 1″ Disposable Air Filter 16″ x 25″ x 1″ Washable Air Filter 16″ x 25″ x 2″ Pleated Disposable

10

1171-022

1/4 Turn Fastener

11

1171-024

1/4 Turn Retainer

12

1171-023

1/4 Turn Receptacle

13

5650-038

Reversing Valve w/24V Solenoid Coil

14

5650-046

Reversing Valve 24V Solenoid

15

5650-044

Molded Plug 53″ Lead

16

5201-019

Filter Drier, Bi-Directional, 3/8″ Connections

17

8620-224

Defrost Sensor Kit

18

5651-218

Heating Expansion Valve

19

8406-142

High Pressure Switch (650#) Screw On

20

5625-127

Heating Distributor

NS

8406-135

Low Pressure Switch (14#) Screw On

NS

6031-009

Coremax Valve Core (Service Port)

NS

8612-027BX k

Low Ambient Fan Control (Modulating)

NS

8406-105 k

Low Ambient Fan Cycling Control (280#/180#)

NS

8408-028 k

Outdoor Thermostat

NS

1171-028

Filter Door Clip

NS

1171-057

Filter Door Screw

NS

1171-027

Filter Door Screw Retainer

NS

CMC-29 k

Freeze Thermostat Kit

NS Not Shown
Used with stainless steel cabinet option k Optional on these models

X X X X
XX XX
X XX X
XXXX XXXX
XXX XXX
X X
XXX X
X O
XXX OOO
X XXX
X O
XXX OOO
XXXX OOOO OOOO
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
2222
O OOO
OOOO
XXXX
XXXX
XXXX
OOOO
X Standard O Add-On Option

Manual 2110-1548H

Page

5 of 15

FUNCTIONAL COMPONENTS DEHUMIDIFICATION UNITS

8 2 21 9
6 Manual 2110-1548H Page 6 of 15

18

7 12 11 10

5 3 4

14 13 17 15

19 20 1

16 SEXP-986

FUNCTIONAL COMPONENTS DEHUMIDIFICATION UNITS

W24HBDA W24HBDB W24HBDC

Dwg No. 1 1 1 NS NS 2 2 3 3 4 4 4 4 5 5 6 6 7 8 8 9 9 9 10 11 12 13 14 15 16 17 18 19 20 21 NS NS NS NS NS
NS
NS
NS NS NS

Part Number 8000-441 8000-435 8000-436
3000-1224 3000-1231
900-358-004 900-359-002
8200-001 8200-050 5151-033 5151C033 5151-046 5151C046 8103-028 8103-030
917-0386BX 917-0391BX k 800-0426
917-0383BX 917-0395BX k 7004-011 7003-032 k 7004-025 k 1171-022
1171-024
1171-023
5650-038
5650-046
5650-044
5201-019
8620-224
5651-245
8406-142
5625-014
EEV Controller Assy.
8406-135
8406-158
6031-009
5650-051
5651-219 8406-105 k 8408-028 k 1171-028
1171-057
1171-027

Description Compressor Compressor Compressor Molded Compressor Wire Harness (1-PH) Molded Compressor Wire Harness (3-PH) Blower Assembly Blower Assembly Fan Motor Mount Stainless Steel Fan Motor Mount Fan Blade Coated Fan Blade Fan Blade Coated Fan Blade Outdoor Fan Motor Outdoor Fan Motor Outdoor Coil (Includes Distributor) Outdoor Coil Coated (Includes Distributor) Cooling Distributor Assembly Indoor Coil (Includes Cooling Distributor) Indoor Coil Coated (Includes Cooling Distributor) Air Filter 16″ x 25″ x 1″ Disposable Air Filter 16″ x 25″ x 1″ Washable Air Filter 16″ x 25″ x 2″ Pleated Disposable 1/4 Turn Fastener 1/4 Turn Retainer 1/4 Turn Receptacle Reversing Valve w/24V Solenoid Coil Reversing Valve 24V Solenoid Molded Plug 53″ Lead Filter Drier, Bi-Directional, 3/8″ Connections Defrost Sensor Kit Electronic Expansion Valve High Pressure Switch (650#) Screw On Heating Distributor See EEV CONTROLLER ASSEMBLY on page 15 Low Pressure Switch (14#) Screw On Low Pressure Transducer Coremax Valve Core (Service Port) Dehumidification Mode Valve Dehumidification Check Valves
Low Ambient Fan Cycling Control (280#/180#)
Outdoor Thermostat
Filter Door Clip Filter Door Screw Filter Door Screw Retainer

NS Not Shown
Used with stainless steel cabinet option k Optional on these models

X X X
X XX
XX X
XXX XXX XX XX
X X XX X XXX OOO XXX XXX OOO XXX OOO OOO XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX 222 XXX 222 OOO
OOO XXX XXX XXX
X Standard O Add-On Option

Manual 2110-1548H

Page

7 of 15

CONTROL PANEL 230 VOLT 1 PHASE UNITS
1 2

5
9 13
8 12
7

6 25
26 10

11

31

3

28 4
27

Manual 2110-1548H Page 8 of 15

SEXP-987

CONTROL PANEL 230 VOLT 1 PHASE UNITS

W18HB-A W24HB-A W24HBDA

Dwg No. 1 2 3 4 NS

Part Number 117X137 117X374 117X375 117X385 3000-1494

NS

910-2047

5

141-188

6

135-122

7

8401-033

8

8407-068

9

8201-130

10

8620-223

11

8607-044

12

8607-042

13

8611-006

25

8611-140-1400

26

8611-140-0500

27

8552-047

27

8552-050

28

8550-008

31

8201-113

NS

3003-058

NS

3003-061

NS

8201-086

NS

8408-028

NS

3000-1598

NS

3000-1599

NS

4096-168

NS

4096-169

NS Not Shown Optional

Description

Control Panel Top – RH (Sheet Metal Only)

XXX

Control Panel – RH (Sheet Metal Only)

XXX

Low Voltage Box – RH (Sheet Metal Only)

XXX

Low Voltage Partition – RH (Sheet Metal Only) X X X

Low Voltage Wire Harness (behind LVTS)

XXX

Complete Low Voltage Box Assembly (Sheet Metal, LVTS & Wire Harness)

XXX

Plug Support Bracket (Sheet Metal)

XXX

Wire Shield (Sheet Metal)

XXX

Contactor 2-Pole

XXX

Transformer 208/240-24, 50VA

XXX

Relay, SPDT

XXX

Defrost Board Replacement Kit w/Sensor

XXX

Terminal Strip

XXX

Blower Speed Terminal

XXX

Ground Lug

XXX

14″ Cable Duct

XXX

5″ Cable Duct

XXX

Capacitor 30+5/370 V, 2-1/2″ Round Capacitor 40+5/370 V, 2-1/2″ Round

X XX

Capacitor Strap, 2-1/2″ Round

XXX

Dehumidification Logic Control Board

X

Main Control Panel Wire Harness Main Control Panel Wire Harness

XX X

LAC and/or ODT Relay

OOO

Outdoor Thermostat

OOO

Blower Power Plug

XXX

Blower Speed Plug

XXX

Wiring Diagram Wiring Diagram

XX X

X Standard O Add-On Option

Manual 2110-1548H

Page

9 of 15

CONTROL PANEL 230 VOLT 3 PHASE UNITS
1 2

5

13

8

12

7

9
26 29
6 25
31 11
10

3

4
Manual 2110-1548H Page 10 of 15

28 27 SEXP-988

CONTROL PANEL 230 VOLT 3 PHASE UNITS

W24HB-B W24HBDB

Dwg No. 1 2 3 4 NS

Part Number 117X137 117X374 117X375 117X385 3000-1494

NS

910-2047

5

141-188

6

135-122

7

8401-035

8

8407-068

9

8201-130

10

8620-223

11

8607-044

12

8607-042

13

8611-006

25

8611-140-1400

26

8611-140-0500

27

8552-002

28

8550-003

29

8201-126

31

8201-113

NS

3003-059

NS

3003-062

NS

8201-086

NS

8408-028

NS

3000-1598

NS

3000-1599

NS

4096-270

NS

4096-271

NS Not Shown Optional

Description

Control Panel Top – RH (Sheet Metal Only) Control Panel – RH (Sheet Metal Only) Low Voltage Box – RH (Sheet Metal Only)

XX XX XX

Low Voltage Partition – RH (Sheet Metal Only) X X

Low Voltage Wire Harness (behind LVTS)

XX

Complete Low Voltage Box Assembly (Sheet Metal, LVTS & Wire Harness)

XX

Plug Support Bracket (Sheet Metal)

XX

Wire Shield (Sheet Metal)

XX

Contactor 3-Pole Transformer 208/240-24, 50VA Relay, SPDT Defrost Board Replacement Kit w/Sensor

XX XX XX XX

Terminal Strip Blower Speed Terminal Ground Lug 14″ Cable Duct

XX XX XX XX

5″ Cable Duct Capacitor 5/370 V, 1-1/4″ Oval Capacitor Strap, 1-1/4″ Oval 3 Phase Line Monitor

XX XX XX XX

Dehumidification Logic Control Board
Main Control Panel Wire Harness Main Control Panel Wire Harness

X
X X

LAC and/or ODT Accessory Relay

OO

Outdoor Thermostat Blower Power Plug Blower Speed Plug Wiring Diagram Wiring Diagram

OO XX XX X
X

X Standard O Add-On Option

Manual 2110-1548H

Page

11 of 15

CONTROL PANEL 460 VOLT 3 PHASE UNITS
1 2

13 5

8

12

7

9

26

6 29
31 25
11

10 3

4
Manual 2110-1548H Page 12 of 15

28 27 SEXP-989

CONTROL PANEL 460 VOLT 3 PHASE UNITS

W24HB-C W24HBDC

Dwg No. 1 2 3 4 NS

Part Number 117X137 117X374 117X375 117X385 3000-1494

NS

910-2047

5

141-188

6

135-122

7

8401-035

8

8407-069

9

8201-032

10

8620-223

11

8607-044

12

8607-042

13

8611-006

25

8611-140-1400

26

8611-140-0500

27

8552-002

28

8550-003

29

8201-126

31

8201-113

NS

3003-060

NS

3003-063

NS

8201-086

NS

8408-028

NS

3000-1598

NS

3000-1599

NS

4096-368

NS

4096-369

NS Not Shown Optional

Description

Control Panel Top – RH (Sheet Metal Only)

XX

Control Panel – RH (Sheet Metal Only)

XX

Low Voltage Box – RH (Sheet Metal Only)

XX

Low Voltage Partition – RH (Sheet Metal Only) X X

Low Voltage Wire Harness (behind LVTS)

XX

Complete Low Voltage Box Assembly (Sheet Metal, LVTS & Wire Harness)

XX

Plug Support Bracket (Sheet Metal)

XX

Wire Shield (Sheet Metal)

XX

Contactor 3-Pole

XX

Transformer 480-24, 50VA

XX

Relay, SPDT, 3 FLA@480V

XX

Defrost Board Replacement Kit w/Sensor

XX

Terminal Strip

XX

Blower Speed Terminal

XX

Ground Lug

XX

14″ Cable Duct

XX

5″ Cable Duct

XX

Capacitor 5/370 V, 1-1/4″ Oval

XX

Capacitor Strap, 1-1/4″ Oval

XX

3 Phase Line Monitor

XX

Dehumidification Logic Control Board

X

Main Control Panel Wire Harness Main Control Panel Wire Harness

X X

LAC and/or ODT Accessory Relay

OO

Outdoor Thermostat

OO

Blower Power Plug

XX

Blower Speed Plug

XX

Wiring Diagram Wiring Diagram

X X

X Standard O Add-On Option

Manual 2110-1548H

Page

13 of 15

BLOWER ASSEMBLY

2

3

5

1

6 1 2 3 4

10 9 8 7

SEXP-909

900-358-003 900-358-004 900-359-002

Dwg No.
1 1 1 1 1 1
2
3
4
5
6
7
8
9
10

Part Number
S8105-064-0168 S8105-064-0169 S8105-065-0170 C8105-064-0168 C8105-064-0169 C8105-065-0170
151-115
144-183
5152-092
5152-093
105-1061
5451-011
8200-031
103-435
113-721

Description
Blower Motor & Control (230/208V) Blower Motor & Control (230/208V) Blower Motor & Control (460V) Programmed Control Only (230/208V) Programmed Control Only (230/208V) Programmed Control Only (460V)
Housing
Cutoff
Wheel 9-6 CW
Wheel 9-6 CCW
Back Brace
Grommets
Motor Mount
Front Brace
Motor Control Bracket

Manual 2110-1548H Page 14 of 15

X X X
O O O
222
XXX
XXX
XXX
XXX
666
XXX
XXX
XXX

EEV CONTROLLER ASSEMBLY
2 1
8

7 3 6
5 3
4
SEXP-951

S910-2050-002

Dwg No.
1 2 3 3 4 5 6 7 8

Part Number
143-219 127-572 S8301-079-0002 5651-246 8201-130 3000-1602 3000-1611 8408-056 8611-075

Description
EEV Control Box Cover EEV Control Box EEV Control & Stator Cable EEV Stator Cable Only Control Relay Main Wire Assembly Transducer Wire Assembly EEV Board to QC EEV Thermistor Clear Snap Plug

X X X X X X X X X

Manual 2110-1548H

Page

15 of 15