Bard HA4S4KA User manual

Page 1 of 26
MIS-2498
INSTALLATION INSTRUCTIONS
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
www.bardhvac.com
Manual: 2100-646
Supersedes: NEW
Date: 9-3-15
WALL-MOUNTED
PACKAGED AIR CONDITIONER
Models:
HA4S4KA
HA5S4KA
HL4S4KA
HL5S4KA
MIS-2498

Manual 2100-646
Page 2 of 26
CONTENTS
Figures
Figure 1 Unit Dimensions .................................. 5
Figure 2 Mounting Instructions .......................... 9
Figure 3 Wall Mounting Instructions ................. 10
Figure 4 Wall Mounting Instructions ................. 10
Figure 5 Common Wall Mounting Installations ... 11
Figure 6 Electric Heat Clearance ...................... 12
Figure 7 Start Up Label ................................... 17
Figure 8 Fan Blade Setting .............................. 18
Figure 9 Control Disassembly ........................... 21
Figure 10 Winding Test...................................... 21
Figure 11 Drip Loop .......................................... 21
Figure 12 H***S4 Wiring Diagram – Top ............. 24
Figure 13 H***S4 Wiring Diagram – Bottom........ 25
Figure 14 H***S4 Low Voltage Ladder Diagram
for Unit and MV Connections............... 26
Tables
Table 1 Electric Heat ....................................... 4
Table 2 Dimensions of Basic Unit...................... 5
Table 3 Electrical Specifications ....................... 6
Table 4 Sequence of Operation ....................... 15
Table 5 Fan Blade Dimensions........................ 18
Table 6 Cooling Pressure ................................ 19
Table 7 Indoor Blower Performance ................. 22
Table 8 Optional Accessories –RH Units.......... 22
Table 9 Optional Accessories –LH Units .............22
Getting Other Information and Publications 3
Wall Mount General Information ......................... 4
Air Conditioner Wall Mount Model Nomenclature..... 4
Shipping Damage ................................................. 7
General ............................................................... 7
Duct Work ........................................................... 7
Filters ................................................................. 7
Condensate Drain ................................................ 7
Installation ............................................................... 8
Wall Mounting Information .................................... 8
Mounting the Unit ................................................ 8
Typical Installations.............................................. 8
Wiring – Main Power............................................. 8
Wiring – Low Voltage Wiring................................. 12
Dirty Filter Switch and Relay ............................... 13
Economizer Fail Time Delay Relay ........................ 13
Start Up ................................................................... 14
General ............................................................. 14
Topping Off System Charge ................................. 14
Safety Practices ................................................. 14
Important Installer Note...................................... 14
Service Hints ..................................................... 14
Sequence of Operation........................................ 15
High and Low Pressure Switch............................. 15
Compressor Control Module................................. 15
Motor Start Device.............................................. 16
Pressure Service Ports ........................................ 16
Crankcase Heaters.............................................. 16
Service ..................................................................... 18
Compressor Solenoid .......................................... 18
Fan Blade Setting Dimensions ............................. 18
Removal of Fan Shroud....................................... 18
R-410A Refrigerant Charge ................................. 19
Troubleshooting GE ECMTM Motors ....................... 20
Optional Accessories........................................... 21

Manual 2100-646
Page 3 of 26
GETTING OTHER INFORMATION AND PUBLICATIONS
For more information, contact these publishers:
ACCA Air Conditioning Contractors of America
1712 New Hampshire Ave. N.W.
Washington, DC 20009
Telephone: [phone]
Fax: [phone]
ANSI American National Standards Institute
11 West Street, 13th Floor
New York, NY 10036
Telephone: [phone]
Fax: [phone]
ASHRAE American Society of Heating, Refrigeration
and Air Conditioning Engineers, Inc.
1791 Tullie Circle, N.E.
Atlanta, GA 30329-2305
Telephone: [phone]
Fax: [phone]
NFPA National Fire Protection Association
Batterymarch Park
P.O. Box 9101
Quincy, MA 02269-9901
Telephone: [phone]
Fax: [phone]
These publications can help when installing the
furnace. They can usually be found at the local library
or purchased directly from the publisher. Be sure to
consult the current edition of each standard.
National Electrical Code ......................ANSI/NFPA 70
Standard for the Installation of
Air Conditioning and Ventilating
Systems ..........................................ANSI/NFPA 90A
Standard for Warm Air Heating
and Air Conditioning Systems ............ANSI/NFPA 90B
Load Calculation for Residential
Winter and Summer
Air Conditioning ..............ACCA Manual J or Manual N
Low Pressure, Low Velocity
Duct System Design for
Winter and Summer
Air Conditioning ............. ACCA Manual D or Manual Q

Manual 2100-646
Page 4 of 26
WALL MOUNT GENERAL INFORMATION
AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE
HA 4S 4 K A 05 B P X X X J
TABLE 1
Electric Heat Table
See Table 3 for heater availability by model
Nominal
KW
At 240V At 208V 
Kw 1-Ph Amps Btuh Kw 1-Ph Amps Btuh
5.0 5.0 20.8 17,065 3.75 18.0 12,799
8.0 8.0 33.3 27,304 6.00 28.8 20,478
10.0 10.0 41.7 34,130 7.50 36.1 25,598
15.0 15.0 62.5 51,195 11.25 54.1 38,396
These electric heaters are available in 230/208V units only.
VOLTS & PHASE
A – 230/208-1
KW
0Z – No KW
w/Circuit Breaker
or Pull Disconnect
05 – 5 KW
08 – 8 KW
10 – 10 KW
15 – 15 KW
VENTILATION OPTIONS
B – Blank-Off Plate
(No Ventilation)
Y – 100% Economizer
(Temperature)
Z – 100% Economizer
(Enthalpy)
COLOR OPTIONS
X – Beige (Standard)
4 – Buckeye Gray
5 – Desert Brown
8 – Dark Bronze
A – Aluminum
S – Stainless Steel
OUTLET OPTIONS
X – Front (Standard)
COIL OPTIONS
X – Standard
1 – Phenolic Coated
Evaporator
2 – Phenolic Coated
Condenser
3 – Phenolic Coated
Evaporator and
Condenser
CONTROL MODULES
J – Only
MODEL NUMBER
HA – Right Hand
HL – Left Hand
CAPACITY
4S – 4 Ton
5S – 5 Ton
REVISION
FILTER OPTIONS
P – 2" Pleated MERV 8
K– Accumulator

Manual 2100-646
Page 5 of 26
TABLE 2
Dimensions of Basic Unit for Architectural and Installation Requirements (Nominal)
All dimensions in inches. Dimensional drawings are not to scale.
Unit Width
W
Depth
D
Height
H
Supply Return
E F G I J K L M N O P Q R S1 S2 TA B C B
HA4S4
HL4S4
HA5S4
HL5S4
42.075 22.432 94.875 9.88 29.88 15.88 29.88 43.88 19.10 41.66 30.00 42.68 36.94 44.69 42.43 3.37 43.00 33.88 10.00 1.44 16.00 21.00 1.88
FIGURE 1
Unit Dimensions
HA*S4
RIGHT
UNIT
HL*S4
LEFT
UNIT
1
Not used when EWM Economizer is installed. Filter access through the EWM hood
MIS-3761
Electrical
Entrances
Optional
Side Wall
Mounting
Brackets
(Built In)
Location
Shipping
Return Air Opening
Supply Air Opening
Top Rain
Flashing
Bottom Installation
Bracket
Back View
M
L
O
E
R
S1
S1
S1
S2
S2
T
.44
N
Q
P
B
Low Voltage
Electrical
Entrance
High Voltage
Electrical
Entrance
Economizer
Intake Hood
4° Pitch
(Lockable)
Rain Hood
Built In
Air
Inlet
Access
Panel
Cond.
Heater
Electric
Heat
C. Breaker/
Disconnect
Access Panel
Drain
Side View
C H
K
J
I
D
2.13
A
Vent Option
Door
1
1
Condenser
Filter Access Panel
Air Outlet
Ventilation
Air
Front View
F
G
W
5.75
Condenser
Air Outlet
I
A
C
K
2.13
H
J
N
Q
P
M
L
O
E
.44 W
5.88
F
G
R
S
S
S
S
S
T
D
B
1
High Voltage
Drain
Economizer
Inlet
Front View
Side View
1
Electrical
Cond.
Air
Back View
Door
Bottom
Installation
Bracket
Side Wall
Mounting
Brackets
Flashing
Shipping
Location
Optional
Electrical
Entrances
Panel
Air
Ventilation
Electrical
Entrance
MIS-3762
Intake Hood
Entrance
(Built In)
Top Rain
Low Voltage
Filter Access Panel
Access Panel
(Lockable)
Vent Option
Disconnect
Electric
Heat
Heater
Access
Return Air Opening
1
Rain Hood
4° Pitch
1
Supply Air Opening
C. Breaker/
Built In
Economizer Controls
Opposite Side
1Not used when EWM economizer is installed. Filter access through the EWM hood.