2100-647

2100-647
INSTALLATION INSTRUCTIONS
WALL-MOUNTED PACKAGED
AIR CONDITIONER
Models:
H12AA-A
H24AA-A
H36AA-A
H42AA-A
H48AA-A
H60AA-A
H72AA-A
H24LA-A
H36LA-A
H42LA-A
H48LA-A
H60LA-A
H72LA-A
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
www.bardhvac.com
Manual:
2100-647B
Supersedes:2100-647A
Date:11-20-15
Page
1 of 33
CONTENTS
Getting Other Information and Publications..... 3
Wall Mount General Information.......................... 4
Air Conditioner Wall Mount Model Nomenclature........ 4
Shipping Damage.................................................... 4
General................................................................... 4
Duct Work............................................................... 5
Filters..................................................................... 5
Condensate Drain ................................................... 5
Installation................................................................ 6
Wall Mounting Information....................................... 6
Mounting the Unit................................................... 6
Wiring – Main Power.............................................. 15
Wiring – Low Voltage Wiring.................................... 16
Dirty Filter Switch and Relay................................... 16
Economizer Fail Time Delay Relay........................... 16
Figures
Figure 1
Figure 2
Figure 3A
Figure 3B
Figure 3C
Figure 3D
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9A
Figure 9B
Figure 9C
Figure 9D
Figure 10
Figure 11
H12 Unit Dimensions............................ 7
H24-72 Unit Dimensions....................... 8
H12 Mounting Instructions.................... 9
H24 Mounting Instructions.................. 10
H36 Mounting Instructions.................. 11
H42-72 Mounting Instructions............. 12
Electric Heat Clearance....................... 13
Wall Mounting Instructions.................. 14
Wall Mounting Instructions.................. 14
Common Wall Mounting Installations.... 15
Fan Blade Setting............................... 20
H12AA Wiring Diagram – Top............... 28
H24,36*A Wiring Diagram – Top.......... 29
H42,48,60A Wiring Diagram – Top....... 30
H72*A Wiring Diagram – Top............... 31
H***A Wiring Diagram – Bottom........... 32
H***A Low Voltage Diagram for Unit
and MV Connections............................ 33
Manual2100-647A
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Start Up.................................................................... 17
General................................................................. 17
Topping Off System Charge..................................... 17
Safety Practices.................................................... 17
Important Installer Note......................................... 17
High Pressure and Low Pressure Switches................ 18
Condenser Fan Operation....................................... 18
Service Hints........................................................ 18
Sequence of Operation........................................... 18
Compressor Control Module.................................... 18
Pressure Service Ports............................................ 19
Service...................................................................... 20
Fan Blade Setting Dimensions................................ 20
Removal of Fan Shroud.......................................... 20
R410A Refrigerant Charge...................................... 20
Tables
Table 1
Table 2
Table 3
Table 4A
Table 4B
Table 5
Table 6
Table 7
Table 8A
Table 8B
Table 9
Table 10
Table 11
Table 12
Sequence of Operation........................ 19
Fan Blade Dimension.......................... 20
Cooling Pressure................................. 21
Electrical Specifications H**A Series.... 22
Electrical Specifications H**L Series.... 23
Recommended Airflow......................... 24
Indoor Blower Performance.................. 24
Max ESP of Operation Elec Heat Only... 24
H12 Electric Heat............................... 24
H24-72 Electric Heat.......................... 24
Optional Accessories........................... 25
Vent and Control Options..................... 25
Unit Low Voltage Terminal Connection
Chart – MV Series Controller................ 26
Unit Low Voltage Terminal Connection
Chart – Cooling/Heating Thermostat...... 27
GETTING OTHER INFORMATION AND PUBLICATIONS
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...............ANSI/NFPA 90A
of Air Conditioning and Ventilating Systems
Standard for Warm Air........................ANSI/NFPA 90B
Heating and Air Conditioning Systems
Load Calculation for .......................... ACCA Manual J
Residential Winter and Summer Air Conditioning
Duct Design for Residential................ ACCA Manual D
Winter and Summer Air Conditioning and Equipment
Selection
For more information, contact these
publishers:
ACCA
Air Conditioning Contractors of America
1712 New Hampshire Ave. N.W.
Washington, DC 20009
Telephone: (202) 483-9370
Fax: (202) 234-4721
ANSI
American National Standards Institute
11 West Street, 13th Floor
New York, NY 10036
Telephone: (212) 642-4900
Fax: (212) 302-1286
ASHRAE
American Society of Heating, Refrigeration
and Air Conditioning Engineers, Inc.
1791 Tullie Circle, N.E.
Atlanta, GA 30329-2305
Telephone: (404) 636-8400
Fax: (404) 321-5478
NFPA
National Fire Protection Association
Batterymarch Park
P.O. Box 9101
Quincy, MA 02269-9901
Telephone: (800) 344-3555
Fax: (617) 984-7057
Manual2100-647A
Page
3 of 33
WALL MOUNT GENERAL INFORMATION
AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE
H
42 A
A –
A
05
Y
P
X
KW
CAPACITY
12 – 1 Ton
24 – 2 Ton
36 – 3 Ton
42 – 3½ Ton
48 – 4 Ton
60 – 5 Ton
72 – 6 Ton
VOLTS & PHASE
A –230/208/60/1
A –Right Hand Air Conditioner
L –Left Hand Air Conditioner
VENTILATION OPTIONS
B –Blank-Off Plate (No Ventilation)
Y –100% Economizer Temperature
Z –100% Economizer Enthalpy
!
WARNING
X
J
CONTROL MODULES
(See Spec. Sheet)
REVISIONS
MODEL SERIES
X
COIL OPTIONS
X –Standard
COLOR OPTIONS
1 –Phenolic Coated Evaporator
X –Beige (Standard)
2 –Phenolic Coated Condenser
1 –White
3 –Phenolic Coated Evaporator
4 –Buckeye Gray
and Condenser
5 –Desert Brown
6 –Dark Bronze
OUTLET OPTIONS
A –Aluminum
S –Stainless Steel X – Front (Standard)
FILTER OPTIONS
P – 2 inch Pleated MERV 8
!
CAUTION
Electrical shock hazard.
Cut hazard.
Have a properly trained individual perform
these tasks.
Wear gloves to avoid contact with sharp
edges.
Failure to do so could result in electric shock
or death.
Failure to do so could result in personal injury.
SHIPPING DAMAGE
Upon receipt of equipment, the carton should be
checked for external signs of shipping damage. If
damage is found, the receiving party must contact
the last carrier immediately, preferably in writing,
requesting inspection by the carrier’s agent.
GENERAL
The equipment covered in this manual is to be installed
by trained, experienced service and installation
technicians.
The refrigerant system is completely assembled and
charged. All internal wiring is complete.
The unit is designed for use with or without duct work.
Flanges are provided for attaching the supply and
return ducts.
These instructions explain the recommended method
to install the air cooled self-contained unit and the
electrical wiring connections to the unit.
Manual2100-647A
Page
4 of 33
These instructions and any instructions packaged with
any separate equipment required to make up the entire
air conditioning system should be carefully read before
beginning the installation. Note particularly “Starting
Procedure” and any tags and/or labels attached to the
equipment.
While these instructions are intended as a general
recommended guide, they do not supersede any
national and/or local codes in any way. Authorities
having jurisdiction should be consulted before the
installation is made. See page 3 for information on
codes and standards.
Size of unit for a proposed installation should be based
on heat loss calculation made according to methods of
Air Conditioning Contractors of America (ACCA). The
air duct should be installed in accordance with the
Standards of the National Fire Protection Association
for the Installation of Air Conditioning and Ventilating
Systems of Other Than Residence Type, NFPA No.
90A, and Residence Type Warm Air Heating and Air
Conditioning Systems, NFPA No. 90B. Where local
regulations are at a variance with instructions, installer
should adhere to local codes.
DUCT WORK
FILTERS
All duct work, supply and return, must be properly
sized for the design airflow requirement of the
equipment. Air Conditioning Contractors of America
(ACCA) is an excellent guide to proper sizing. All duct
work or portions thereof not in the conditioned space
should be properly insulated in order to both conserve
energy and prevent condensation or moisture damage.
A 2" pleated MERV 8 is standard with each unit. The
filter slides into position making it easy to service. This
filter can be serviced from the outside by removing the
filter access panel.
Refer to Table 5 for maximum static pressure available
for duct design.
Design the duct work according to methods given by
the Air Conditioning Contractors of America (ACCA).
When duct runs through unheated spaces, it should be
insulated with a minimum of one inch of insulation.
Use insulation with a vapor barrier on the outside of the
insulation. Flexible joints should be used to connect
the duct work to the equipment in order to keep the
noise transmission to a minimum.
CONDENSATE DRAIN
A plastic drain hose extends from the drain pan at
the top of the unit down to the unit base. There are
openings in the unit base for the drain hose to pass
through. In the event the drain hose is connected to
a drain system of some type, it must be an open or
vented type system to assure proper drainage.
For the H Model Series 36-72, a 1/4" clearance to
combustible material for the first 3' of duct attached
to the outlet air frame is required. See Wall Mounting
Instructions and Figures 3A-D and Figure 4 for further
details.
Ducts through the walls must be insulated and all
joints taped or sealed to prevent air or moisture
entering the wall cavity.
Some installations may not require any return air duct.
A metallic return air grille is required with installations
not requiring a return air duct. The spacing between
louvers on the grille shall not be larger than 5/8".
Any grille that meets with 5/8" louver criteria may
be used. It is recommended that Bard Return Air
Grille Kit RG2W thru RG5W or RFG2W thru RFG5W
be installed when no return duct is used. Contact
distributor or factory for ordering information. If using
a return air filter grille, filters must be of sufficient size
to allow a maximum velocity of 400 fpm.
NOTE: If no return air duct is used, applicable
installation codes may limit this cabinet to installation only in a single story structure.
Manual2100-647A
Page
5 of 33
INSTALLATION
WALL MOUNTING INFORMATION
Clearances Required for Service Access and
Adequate Condenser Airflow
1. Two holes for the supply and return air openings
must be cut through the wall as shown in Figures
3A-D on pages 9-12.
2. On wood frame walls, the wall construction must
be strong and rigid enough to carry the weight of
the unit without transmitting any unit vibration.
3. Concrete block walls must be thoroughly inspected
to insure that they are capable of carrying the
weight of the installed unit.
MOUNTING THE UNIT
1. These units are secured by wall mounting brackets
which secure the unit to the outside wall surface at
both sides. A bottom mounting bracket, attached
to skid for shipping, is provided for ease of
installation, but is not required.
2. The unit itself is suitable for 0 clearance, but the
supply air duct flange and the first 3' of supply
air duct require a minimum of 1/4" clearance to
combustible material for Model Series H36, H42,
H48, H60 and H72. However, it is generally
recommended that a 1" clearance is used for
ease of installation and maintaining the required
clearance to combustible material. See Figures
3A-D for details on opening sizes.
Minimum Clearances Required to
Combustible Materials
MODELS
H12A
H24A, H24L
H36A,
H42A,
H48A,
H60A,
H72A,
H36L
H42L
H48L
H60L
H72L
!
SUPPLY AIR DUCT
FIRST 3'
CABINET
0"
0"
1/4"
0"
WARNING
Failure to provide the 1/4" clearance
between the supply duct and a combustible
surface for the first 3' of duct can result in
fire causing damage, injury or death.
RIGHT
SIDE
DISCHARGE
SIDE
H12A, H24A, H36A
15"
20"
10'
H24L, H36L
20"
15"
10'
H42A, H48A, H60A, H72A
20"
20"
10'
H42L, H48L, H60L, H72L
20"
20"
10'
NOTE: For side-by-side installation of two H**A models there
must be 20" between units. This can be reduced to 15"
by using a H**L model (left side compressor and controls)
for the left unit and H**A (right side compressor and
controls) for right unit.
3. Locate and mark lag bolt locations and bottom
mounting bracket location (see Figures 3A-D).
4. Mount bottom mounting bracket.
5. Hook top rain flashing, attached to front-right
corner of supply flange for shipping, under back
bend of top.
6. Position unit in opening and secure with fasteners
sufficient for the application such as 5/16 lag bolts;
use 7/8" diameter flat washers on the lag bolts.
7. Secure rain flashing to wall and caulk across entire
length of top (see Figures 3A-D).
8. For additional mounting rigidity, the return air
and supply air frames or collars can be drilled
and screwed or welded to the structural wall itself
(depending upon wall construction). Be sure to
observe required clearance if combustible wall.
9. On side-by-side installations, maintain a minimum
of 20" clearance on right side to allow access to
control panel and heat strips, and to allow proper
airflow to the outdoor coil. Additional clearance
may be required to meet local or national codes.
10.Care should be taken to ensure that the
recirculation and obstruction of condenser
discharge air does not occur. Recirculation of
condenser discharge air can be from either a
single unit or multiple units. Any object such as
shrubbery, a building or other large object can
cause obstructions to the condenser discharge
air. Recirculation or reduced airflow caused by
obstructions will result in reduced capacity,
possible unit pressure safety lockouts and reduced
unit service life.
Manual2100-647A
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LEFT
SIDE
MODELS
For units with blow through condensers, it is
recommended there be a minimum distance of 10'
between the front of the unit and any barrier or 20'
between the fronts of two opposing (facing) units.
FIGURE 1
H12AA Unit Dimensions
32.00
30.13
17.00
5.00
5.00
10.00
TOP RAIN FLASHING
SHIPPING LOCATION
22.25
25.750
OPTIONAL
ELECTRICAL
ENTRANCE
BACK VIEW
2.50
31.06
BUILT-IN RAIN
HOOD 2° PITCH
DRAIN HOSE
14.63
HEATER & FILTER
ACCESS
19.72
1.50
VENTILATION
AIR
48.00
ELECTRICAL
ENTRANCE
LOW VOLTAGE
ENTRANCE
19.72
CONDENSER
AIR OUTLET
20.43
21.88
COND.
AIR
INLET
3.88
FRONT VIEW
CONDENSER AIRFLOW
IS BLOW THRU
RIGHT SIDE VIEW
MIS-3599
NOTE: Maintain a minimum of 20" clearance on right side to allow access to control panel and allow proper airflow to outdoor condenser coil. Allow 15" on left side.
Manual2100-647A
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FIGURE 2
Dimensions of Basic Unit for Architectural and Installation Requirements (Nominal)
SUPPLY
RETURN
A
C
MODEL
WIDTH DEPTH HEIGHT
(W)
(D)
(H)
H24A, L
33.300
17.125
74.563
7.88 19.88 11.88 19.88 35.00 10.88 29.75 20.56 30.75 32.06 33.25 31.00 2.63 34.13 26.06 10.55 4.19 12.00
9.00
H36A, L
38.200
17.125
74.563
7.88 27.88 13.88 27.88 40.00 10.88 29.75 17.93 30.75 32.75 33.25 31.00 2.75 39.13 26.75
4.19 12.00
9.00
H42A, L
H48A, L
42.075
22.432
84.875
9.88 29.88 15.88 29.88 43.88 13.56 31.66 30.00 32.68 26.94 34.69 32.43 3.37 43.00 23.88 10.00 1.44 16.00
1.88
H60A, L
H72A, L
42.075
22.432
93.000
9.88 29.88 15.88 29.88 43.88 13.56 37.00 30.00 40.81 35.06 42.81 40.56 3.37 43.00 31.00 10.00 1.44 16.00
10.00
B
B
E
F
G
I
J
K
L
M
N
O
P
Q
9.14
R
S
All dimensions are in inches. Dimensional drawings are not to scale.
H**A
RIGHT
UNIT
Built In
Rain Hood
4° Pitch
Heater
Access
Panel
Electric
Heat
C. Breaker/
Disconnect
Access Panel
(Lockable)
W
F
.44
2.13
I
R
S
B
S
Optional
Electrical
Entrances
Return Air Opening
S
S
7"
Low Voltage
Electrical
Entrance
Condenser
Air Outlet
Supply Air Opening
Top Rain
Flashing
Shipping
Location
C H
Standard
flush vent
door for
non-Econ.
models
Ventilation Air
G
Side Wall
Mounting
Brackets
(Built In)
A
Economizer
Air Intake Hood
Economizer
Controls
Filter Access Panel 1
5.88
E
O
D
High Voltage
Electrical
Entrance
Cond.
Air
Inlet
K
L
J
M
T
Drain
Front View
S
P
N
Side View
Back View
Q
Bottom Installation
Bracket
MIS-3624
 Not used when EWM economizer is installed. Filter access is through the EWM hood.
H**L
LEFT
UNIT
.44
R
Built In
Rain Hood
4° Pitch
E
O
D
Side Wall
Mounting
Brackets
(Built In)
Supply Air Opening
S
2.13
B
A
I
Top Rain
Flashing
Shipping
Location
S
Optional
Electrical
Entrances
Return Air Opening
S
Electric
Heat
Heater
Access
Panel
C. Breaker/
Disconnect
Access Panel
(Lockable)
Standard flush
vent door for
non-Econ.
models
Economizer
Air Intake Hood
Economizer
controls
(opposite side)
W
Filter Access Panel 1
C
5.88
Ventilation Air
F
Condenser
Air Outlet
G
H
S
L
M
S
P
7"
K
J
Cond.
Air
Inlet
T
Drain
Bottom
Installation
Bracket
Back View
N
Q
Side View
Low Voltage
Electrical
Entrance
High Voltage
Electrical
Entrance
 Not used when EWM economizer is installed. Filter access is through the EWM hood.
Manual2100-647A
Page
8 of 33
Front View
MIS-3625
T
FIGURE 3A
H12AA Mounting Instructions
SEAL WITH BEAD OF CAULKING
ALONG ENTIRE LENGTH OF TOP.
RAIN FLASHING
SUPPLIED
TOP
FOAM AIR SEAL
WALL
WALL STRUCTURE
SUPPLY AIR DUCT
7.031
2.500
17.000
7.031
RETURN AIR
OPENING
5.000
19.719
10.000
6.969
5.000
17.000
19.719
NOTE:
IT IS RECOMMENDED THAT A BEAD OF SILICONE
CAULKING BE PLACED BEHIND THE SIDE MOUNTING
FLANGES AND UNDER TOP FLASHING AT TIME OF
INSTALLATION.
WALL OPENING AND HOLE
LOCATION VIEW
MIS-3600
Manual2100-647A
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Manual2100-647A
Page
10 of 33
13
3 16 "
5"
12"
12"
12"
12"
12"
4"
Typ.
1"
20"
1
1
7 16 "
2"
38"
4"
Typ.
Return Opening
Supply Opening
20"
Wall Opening and Hole Location View
2"
7
8"
3"
1
7 16 "
1"
12"
1
20 2 "
8"
WALL
TOP
HEATER ACCESS
PANEL
SEAL WITH BEAD
OF CAULKING ALONG
ENTIRE LENGTH OF TOP.
FIGURE 3B
H24AA, H24LA Mounting Instructions
Right Side View
MIS-3658
H**A UNIT SHOWN, H**L UNIT
CONTROLS AND HEATER ACCESS
IS ON OPPOSITE (LEFT) SIDE.
NOTES:
IT IS RECOMMENDED THAT A BEAD OF
SILICONE CAULKING BE PLACED BEHIND
THE SIDE MOUNTING FLANGES AND UNDER
TOP FLASHING AT TIME OF INSTALLATION.
RETURN AIR
OPENING
SUPPLY AIR
DUCT
WALL STRUCTURE
FOAM AIR SEAL
RAIN FLASHING
SUPPLIED
Manual2100-647A
Page
11 of 33
E
4 16 "
11
5 16 "
1
12"
7
8"
4"
Typ.
C
E
B
11
4 16 "
14"
Wall Opening and Hole Location View
4"
Typ.
7
8"
1
38"
28"
12"
7
28"
Return Opening
Supply Opening
A
12"
12"
12"
D
C
7
8"
WALL
4 5/8 4 7/16 16 7/8
D
REQUIRED DIMENSIONS TO MAINTAIN
RECOMMENDED 1" CLEARANCE FROM 29 7/8 9 7/8
COMBUSTIBLE MATERIALS
C
5 3/8 3 11/16 17 5/8
B
REQUIRED DIMENSIONS TO MAINTAIN
28 3/8 8 3/8
1/4" MIN. CLEARANCE FROM
COMBUSTIBLE MATERIALS
A
TOP
HEATER ACCESS
PANEL
SEAL WITH BEAD
OF CAULKING ALONG
ENTIRE LENGTH OF TOP.
FIGURE 3C
H36AA, H36LA Mounting Instructions
Right Side View
MIS-3659
H*A UNIT SHOWN, H*L UNIT
CONTROLS AND HEATER ACCESS
IS ON OPPOSITE (LEFT) SIDE.
NOTES:
IT IS RECOMMENDED THAT A BEAD OF
SILICONE CAULKING BE PLACED BEHIND
THE SIDE MOUNTING FLANGES AND UNDER
TOP FLASHING AT TIME OF INSTALLATION.
RETURN AIR
OPENING
SUPPLY AIR
DUCT
1/4" CLEARANCE ON ALL
FOUR SIDES OF SUPPLY
AIR DUCT IS REQUIRED
FROM COMBUSTABLE
MATERIALS
WALL STRUCTURE
FOAM AIR SEAL
RAIN FLASHING
SUPPLIED
Manual2100-647A
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2
7
18"
1
16""
1
16""
16"
16"
16"
4"
Typ.
1
1
62"
38"
C
5 1/2
6 1/4
C
Dimension is 21" on 95" tall units.
Dimension is 10" on T48H1 & T60H1.
Dimension is 6" on T48H1 & T60H1.
4"
Typ.
1"
3"
30"
Return Opening
Supply Opening
A
12
10 1/2
B
Wall Opening and Hole Location View
3
2
1
1
62"
1
62"
C
32
REQUIRED DIMENSIONS TO MAINTAIN
RECOMMENDED 1" CLEARANCE FROM
COMBUSTIBLE MATERIALS
D
30 1/2
REQUIRED DIMENSIONS TO MAINTAIN
1/4" MIN. CLEARANCE FROM
COMBUSTIBLE MATERIALS
A
2
E
3
29
29 3/4
7
8"
28"
1
16"
E
B
1 1/4
D
TOP
HEATER ACCESS
PANEL
WALL
SEAL WITH BEAD
OF CAULKING ALONG
ENTIRE LENGTH OF
TOP.
Right Side View
NOTES:
MIS-416 E
IT IS RECOMMENDED THAT A BEAD OF
SILICONE CAULKING BE PLACED BEHIND
THE SIDE MOUNTING FLANGES AND UNDER
TOP FLASHING AT TIME OF INSTALLATION.
RETURN AIR
OPENING
SUPPLY AIR
DUCT
1/4" CLEARANCE ON ALL
FOUR SIDES OF SUPPLY
AIR DUCT IS REQUIRED
FROM COMBUSTABLE
MATERIALS
WALL STRUCTURE
FOAM AIR SEAL
RAIN FLASHING
SUPPLIED
FIGURE 3D
H42AA, H42LA, H48AA, H48LA, H60AA, H60LA, H72AA, H72LA Mounting Instructions
FIGURE 4
Electric Heat Clearance
NOTE: SIDE SECTION VIEW OF SUPPLY AIR
DUCT FOR WALL MOUNTED UNIT SHOWING 1/4"
CLEARANCE TO COMBUSTIBLE SURFACES.
!
WARNING
A minimum of 1/4" clearance must be maintained between the
supply air duct and combustible materials. This is required for the
first 3' of ducting.
It is important to insure that the 1/4" minimum spacing is
maintained at all points.
Failure to do this could result in overheating the combustible
material and may result in a fire causing damage, injury or death.
Manual2100-647A
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FIGURE 5
Wall Mounting Instructions
FACTORY SUPPLIED
RAIN FLASHING.
MOUNT ON UNIT
BEFORE INSTALLATION
WALL STRUCTURE
SUPPLY AIR
OPENING
SUPPLY AIR
OPENING
SUPPLY AIR
DUCT
RETURN AIR
OPENING
RETURN AIR
OPENING
RETURN AIR
OPENING
WOOD OR STEEL SIDING
CONCRETE BLOCK WALL INSTALLATION
BOTTOM MOUNTING
BRACKET. MOUNT ON
WALL BEFORE
INSTALLING UNIT.
WOOD FRAME WALL INSTALLATION
SIDE VIEW
MIS-548 A
FIGURE 6
Wall Mounting Instructions
SEE UNIT DIMENSIONS, FIGURE 2,
FOR ACTUAL DIMENSIONS.
E + 1.000
ATTACH TO TOP
PLATE OF WALL
B
1.000
1.000" CLEARANCE
ALL AROUND DUCT
INTERIOR FINISHED WALL
OVER FRAME
SUPPLY DUCT
OPENING
A
I
1.000" CLEARANCE
ALL AROUND DUCT
RETURN DUCT
OPENING
EXTERIOR FINISH WALL
OVER FRAME
K
2x6
FRAMING MATERIAL
2 x 4'S, 2 x 6'S &/OR
STRUCTURAL STEEL
MIS-549 B
Manual2100-647A
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ATTACH TO BOTTOM
PLATE OF WALL
C
CL
THIS STRUCTURAL MEMBER
LOCATED TO MATCH STUD
SPACING FOR REST OF WALL.
A SECOND MEMBER MAY BE
REQUIRED FOR SOME WALLS.
FIGURE 7
Common Wall Mounting Installations
SUPPLY DUCT MAY BE LOCATED IN AN ATTIC
OR BELOW CEILING RAFTERS AS SHOWN
RAIN
FLASHING
RAFTERS
RAIN
FLASHING
FINISHED CEILING SURFACE
SUPPLY AIR DUCT
SUPPLY AIR DUCT
W/ GRILLE
FINISHED CEILING SURFACE
RETURN AIR
OPENING W/ GRILLE
RETURN AIR
OPENING W/ GRILLE
OUTSIDE
WALL
RAFTERS
OUTSIDE
WALL
FREE AIR FLOW
NO DUCT
DUCTED SUPPLY
RETURN AT UNIT
SUPPLY DUCT MAYBE LOCATED IN AN ATTIC
OR BELOW CEILING RAFTERS AS SHOWN
SUPPLY DUCT MAYBE LOCATED IN AN ATTIC
ORplate
BELOW
CEILING
RAFTERSTime
AS SHOWN
The unit rating
lists
a “Maximum
Delay
Relay
Fuse”
or
circuit
breaker
that
is
to
be
used
with
RAIN
RAIN
ReferFLASHING
to the unit rating plate for wire sizing information
the equipment. The correct size must be used for
FLASHING
RAFTERS
RAFTERS
and maximum fuse or circuit breaker
size. Each outdoor
proper circuit protection and also to assure that there
unit is marked with a “Minimum Circuit Ampacity”. This
will be no nuisance
tripping
due to the momentary high
SUPPLY
AIR DUCT
SUPPLY
AIR DUCT
means that the field wiring
used must
be sized to carry
starting current of the compressor motor.
that amount of current. Depending on the installed KW
LOWERED
AIRbe locked
The disconnect accessCEILING
door on this SUPPLY
unit may
FINISHED
of electric heat, there may be two field
power circuits
CEILING
to prevent unauthorized access to theGRILLE
disconnect. To
required. If this is the case, the unit
serialSURFACE
plate will so
convert for the locking capability, bend
the tab
located
indicate. All models are suitable only for connection
FINISHED
CEILING
RETURN AIR
in
the
bottom
left-hand
corner
of
the
disconnect
with copper wire. Each unit and/or wiring diagram SPACE
will
SURFACE
CLOSET WALL
opening under the disconnect
access panel straight
be marked “Use Copper ConductorsWALL
Only”.
These
SLEEVE
out. This tab will now
line up with the slot in the door.
instructions must be adhered to. Refer to the National
WALL
WALL
When shut, a padlock
may be placed through the hole
SLEEVE
Electrical Code (NEC) for complete FALSE
current
carrying
in the tab preventing entry.
capacity data on the various insulation grades of wiring
RETURN AIR GRILLE
RETURN AIR
RAISED FLOOR
material.OUTSIDE
All wiring must conform to NEC and all local
OUTSIDE
GRILLE
See “Start Up” section beginning on page
17 for
WALL
RETURN
AIR
codes.
WALL
important
information on three phase scroll compressor
start ups.
The electrical data lists fuse and wire sizes (75° C
INSTALLATION
CLOSET INSTALLATION
copper) for allFALSE
modelsWALL
including
the most commonly
See Tables 4A and 4B (pages 22 and 23) for electrical
used heater sizes. Also shown are the number of field
MIS-550 C
specifications.
power circuits required for the various models with
heaters.
WIRING – MAIN POWER
Manual2100-647A
Page
15 of 33
WIRING – LOW VOLTAGE WIRING
Filter Switch Adjustment
Low Voltage Connection
1. Turn off unit power.
These units use a 24-volt AC low voltage circuit. Tables
11 and 12 on pages 26 and 27 show the low voltage
connections for units operated with the MV Series
controller or connected directly to a cooling/heating
thermostat.
2. Remove upper front door. Front screws on unit top
can be removed for ease of removing upper front
door.
All models are equipped with dual primary voltage
transformers. All equipment leaves the factory wired
on 240V tap. For 208V operation, reconnect from
240V to 208V tap. The acceptable operating voltage
range for the 240 and 208V taps are:
TAPRANGE
240
253 – 216
208
220 – 187
NOTE: The voltage should be measured at the field
power connection point in the unit and while
the unit is operating at full load (maximum
amperage operating condition).
DIRTY FILTER SWITCH AND RELAY
These units include an adjustable dirty filter indicator
switch. This switch if connected to normally closed
contacts on the filter relay wired to terminals 10 and
11 on the low voltage terminal block.
3. Locate filter switch on control panel side next to
blower assembly.
4. Remove single phillips head screw on front of
cover. Remove cover.
5. Set pressure by adjusting knob. Do not adjust
knob drastically to avoid nuisance alarm signalw
or non-functionality.
6. Replace cover.
7. Replace upper front door.
8. Turn on unit power.
ECONOMIZER FAIL TIME DELAY RELAY
NOTE: Applies only to units with economizers.
These units employ a time delay relay to open the
nomally closed contacts at terminals 12 and 13 on the
low voltage terminal block. This will activate an alarm
signal on the MV Series controller. The time delay is set
to 500 seconds as a factory default. Avoid adjustment
to settings lower than 180 seconds.
Filter Replacement Procedure
For units not equipped with economizer:
1. Turn off unit power.
Timer to be set here
(500 seconds)
2. Remove filter door.
3. Replace filter.
4. Press Reset button.
5. Verify filter light is off.
6. Replace filter door.
7. Turn on unit power.
For units equipped with economizer:
1. Turn off unit power.
MIS-3054
2. Remove hood cover.
MIS-3054
3. Remove mist eliminator. Inspect and clean if
necessary.
4. Remove filter door.
5. Remove and replace filter.
6. Replace filter door.
7. Replace mist eliminator.
8. Replace hood cover.
9. Turn on unit power.
Manual2100-647A
Page
16 of 33
START UP
THESE UNITS REQUIRE R-410A
REFRIGERANT AND POLYOL ESTER OIL.
GENERAL
1. Use separate service equipment to avoid cross
contamination of oil and refrigerants.
2. Use recovery equipment rated for R-410A
refrigerant.
3. Use manifold gauges rated for R-410A (800
psi/250 psi low).
4. R-410A is a binary blend of HFC-32 and HFC-125.
REMEMBER: When adding R-410A refrigerant, it must
come out of the charging cylinder/tank as a liquid to
avoid any fractionation, and to insure optimal system
performance. Refer to instructions for the cylinder that
is being utilized for proper method of liquid extraction.
!
WARNING
Failure to conform to these practices could
lead to damage, injury or death.
5. R-410A is nearly azeotropic—similar to R-22 and
R-12. Although nearly azeotropic, charge with
liquid refrigerant.
SAFETY PRACTICES
6. R-410A operates at 40-70% higher pressure than
R-22, and systems designed for R-22 cannot
withstand this higher pressure.
2. Alwasys use gloves and safety glasses. Polyol
Ester oils can be irritating to the skin, and liquid
refrigerant will freeze the skin.
7. R-410A has an ozone depletion potential of zero,
but must be reclaimed due to its global warming
potential.
3. Never use air and R-410A to leak check; the
mixture may become flammable.
8. R-410A compressors use Polyol Ester oil.
9. Polyol Ester oil is hygroscopic; it will rapidly absorb
moisture and strongly hold this moisture in the oil.
10.A liquid line dryer must be used; even a deep
vacuum will not separate moisture from the oil.
11.Limit atmospheric exposure to 15 minutes.
12.If compressor removal is necessary, always plug
compressor immediately after removal. Purge with
small amount of nitrogen when inserting plugs.
TOPPING OFF SYSTEM CHARGE
If a leak has occurred in the system, Bard
Manufacturing recommends reclaiming, evacuating
(see criteria above) and charging to the nameplate
charge. If done correctly, topping off the system
charge can be done without problems.
With R-410A, there are no significant changes in the
refrigerant composition during multiple leaks and
recharges. R-410A refrigerant is close to being an
azeotropic blend (it behaves like a pure compound
or single component refrigerant). The remaining
refrigerant charge in the system may be used after
leaks have occurred and then “top-off” the charge by
utilizing the pressure charts on the inner control panel
cover as a guideline.
1. Never mix R-410A with other refrigerants.
4. Do not inhale R-410A; the vapor attacks the
nervous system, creating dizziness, loss of
coordination and slurred speech. Cardiac
irregularities, unconsciousness and ultimate death
can result from breathing this concentration.
5. Do not burn R-410A. This decomposition
produces hazardous vapors. Evacuate the area if
exposed.
6. Use only cylinders rated DOT4BA/4BW 400.
7. Never fill cylinders over 80% of total capacity.
8. Store cylinders in a cool area, out of direct
sunlight.
9. Never heat cylinders above 125°F.
10.Never trap liquid R-410A in manifold sets, gauge
lines or cylinders. R-410A expands significantly
at warmer temperatures. Once a cylinder or line is
full of liquid, any further rise in temperature will
cause it to burst.
IMPORTANT INSTALLER NOTE
For improved start up performance wash the indoor coil
with dishwashing detergent.
Manual2100-647A
Page
17 of 33
HIGH PRESSURE AND LOW PRESSURE
SWITCHES
All H**A/H**L wall mounted air conditioner series
models are supplied with a remote reset for the high
and low pressure switches. The first time the high
or low pressure switches are tripped, they will reset
automatically. If tripped a second time, reset the
switches by turning the thermostat off, then back on
again, resetting the compressor control module.
CONDENSER FAN OPERATION
NOTE: These models are equipped with a low ambient
control (LAC). The condenser fan motor may have a
delayed start until system refrigerant operating pressure
builds up. After starting, the fan motor may or may
not cycle depending upon ambient conditions. This
is normal operation. The condenser fan motor on
230/208 volt, one and three phase, 60 HZ units is
a two-speed motor that comes factory wired on high
speed for peak performance. If ambient conditions
permit, it can be reconnected to low speed (red wire)
for lower sound level. See unit wiring diagram.
SERVICE HINTS
1. Caution owner/operator to maintain clean air filters
at all times and to not needlessly close off supply
and return air registers. This reduces airflow
through the system, which shortens equipment
service life as well as increasing operating costs.
2. Check all power fuses or circuit breakers to be sure
they are the correct rating.
3. Periodic cleaning of the outdoor coil to permit full
and unrestricted airflow circulation is essential.
SEQUENCE OF OPERATION
COOLING – 24VAC from MV controller at terminal 4 (Y)
pulls in compressor contactor, starting the compressor
and outdoor motor. (See NOTE under Condenser
Fan Operation concerning the low ambient control.)
Terminal 9 (G) indoor motor circuit is energized by
the MV controller on any call for cooling operation or
can be energized by manual fan switch on subbase for
constant air circulation. A call for heating from the MV
controller pulls in heat contactor, activating the strip
heat and blower operation. On a call for second stage
heat, R-W2 makes bringing on second heat contactor,
if so equipped. See Table 1 on following page.
COMPRESSOR CONTROL MODULE
The compressor control module (CCM) is standard on
all models covered by this manual. The compressor
control module is an anti-short cycle/lockout timer with
high and low pressure switch monitoring and alarm
relay output.
Manual2100-647A
Page
18 of 33
Adjustable Delay-on-Make and Delay-on-Break Timer
On initial power up and any time power is interrupted
to the unit, the delay-on-make period begins, which is
the time set on the potentiometer (delay-on-break time)
plus 10% of the delay-on-break setting (delay-on-break
factory default is 2 minutes). When the delay-onmake period is complete and the high pressure switch
and low pressure switch are closed, the compressor
contactor is energized. Upon shutdown (end of the
call for cooling), the delay-on-break timer starts and
prevents restart (next call for cooling) until the delayon-break period has expired.
During routine operation of the unit with no power
interruptions, the compressor will operate on demand
with no delay.
High Pressure Switch and Lockout Sequence
If the high pressure switch opens, the compressor
contactor will de-energize immediately. The lockout
timer will go into a soft lockout and stay in soft lockout
until the high pressure switch closes and the delay-onbreak time has expired. If the high pressure switch
opens again in this same operating cycle, the unit will go
into manual lockout condition and the alarm relay circuit
will energize. Recycling the wall thermostat or main
power resets the manual lockout.
Low Pressure Switch, Bypass and Lockout Sequence
If the low pressure switch opens for more than 120
seconds, the compressor contactor will de-energize and
go into a soft lockout. Regardless the state of the low
pressure switch, the contactor will re-energize after
the delay-on-make time delay has expired. If the low
pressure switch remains open, or opens again for longer
than 120 seconds, the unit will go into manual lockout
condition and the alarm relay circuit will energize.
Recycling the wall thermostat or main power resets the
manual lockout.
Alarm Relay Output
Alarm terminal is the output connection for
applications where an alarm relay is employed. This
terminal is powered whenever the compressor is locked
out due to HPC or LPC sequences as described above.
NOTE: Both high and low pressure switch controls are
inherently automatic reset devices. The high
pressure switch and low pressure switch cut
out and cut in settings are fixed by specific air
conditioner unit model. The lockout features,
both soft and manual, are a function of the
compressor control module.
Adjustments
Typical Settings for Dual Unit Installation:
Adjustable Delay-on-Make and Delay-on-Break Timer
Unit 1: DOB set at 2 minutes and DOM is 132 seconds
Unit 2: DOB set at 4 minutes and DOM is 144 seconds
The potentiometer is used to select delay-on-break time
from 30 seconds to 5 minutes. (The delay-on-break
factory default is 2 minutes.) Delay-on-make (DOM)
timing on power up and after power interruptions is
equal to delay-on-break time plus 10% of delay-onbreak (DOB) setting:
0.5
1.0
2.0
3.0
4.0
5.0
minute
minute
minute
minute
minute
minute
(30 seconds) DOB = 123 second DOM
(60 seconds) DOB = 126 second DOM
(120 seconds) DOB = 132 second DOM
(180 seconds) DOB = 138 second DOM
(240 seconds) DOB = 144 second DOM
(300 seconds) DOB = 150 second DOM
PRESSURE SERVICE PORTS
High and low pressure service ports are installed on
all units so that the system operating pressures can
be observed. A pressure table can be found on page
21 covering all models. It is imperative to match the
correct pressure table to the unit by model number.
During routine operation of the unit with no power
interruptions, the compressor will operate on demand
with no delay.
TABLE 1
Sequence of Operation
Terminal
Description
1
Compressor on Output Signal from Jade to MV
2
24VAC HOT from Terminal 2 Connected to Unit Transformer
3
24VAC COMMON from Unit Transformer to MV
4
5
6
Electric Heat On Operation, Stage 1 and 2
7
1st Stage Cooling Input, 1st Stage Cooling Signal to Jade
Revision "2"
Reference
Use
Economizer Only
"A"
24V HOT
"R"
24V COMMON
"C"
Unit Compressor Operation
Cooling Operation
"Y"
Close Damper Input (Close Blade 100%)
Economizer Only
"F"
Heating Operation
"W1"
Economizer Only
"Y1"
8
2nd Stage Cooling Input, 2nd Stage Cooling Signal to Jade
Economizer Only
"Y2"
9
Blower Operation (Indoor Blower On)
Blower Operation
"G"
10
Filter Switch Normally Closed Dry Contacts
Alarm Signal
"4"
11
Filter Switch Normally Closed Dry Contacts
Alarm Signal
"5"
12
Blade Switch Delay Relay Normally Closed Dry Contacts
Economizer Only
"8"
13
Blade Switch Delay Relay Normally Closed Dry Contacts
Economizer Only
"9"
14
Occupied Signal Input, Econ Emergency Open (Open Blade 100%)
Economizer Only
"E"
15
Econ Open Output (6V HOT, 24V HOT after Blade Open 100% and delay)
Economizer Only
"10"
16
Alarm Relay Common Dry Contact
Comp Alarm Signal
"3"
17
Alarm Relay Normally Open Dry Contact
Comp Alarm Signal
"2"
18
Alarm Relay Normally Closed Dry Contact
Comp Alarm Signal
"1"
19
24VAC HOT to Terminal 2 from Unit Transformer Through Smoke Alarm
Jumper Wire*
24V HOT
"RT"
20
2nd Stage Heating On Operated Through Jumper to Terminal 6
Heating Operation,
2nd Stage
"W2'
21
Blade Switch Terminal 24V HOT When Blade is Open, Sends Signal from
Switch to Delay Relay
Economizer Only
"7"
* Replace jumper wire with smoke alarm connections to interrupt 24VAC unit power if smoke alarm is used in shelter. Jumper can also
be removed to break 24VAC power to unit.
Manual2100-647A
Page
19 of 33
SERVICE
FAN BLADE SETTING DIMENSIONS
REMOVAL OF FAN SHROUD
The correct fan blade setting for proper air delivery
across the outdoor coil is shown in Figure 8. Refer to
Table 2 for unit specific dimension. Dimension "A" is
the distance between the closest point on fan blade to
motor mount leg.
1. Disconnect all power to the unit.
Any service work requiring removal or adjustment in the
fan and/or motor area will require that the dimensions
below be checked and blade adjusted in or out on the
motor shaft accordingly.
FIGURE 8
Fan Blade Setting
2. Remove screws holding both grilles, one on each
side of unit, and remove grilles.
3. Remove screws holding fan shroud to condenser
coil and unit base.
4. Disconnect condenser fan motor from control panel
wiring.
5. Slide complete motor, fan blade and shroud
assembly out appropriate side of the unit
(dependent on whether it is a right hand or left
hand unit).
6. Service motor/fan as needed.
7. Reverse steps to re-install. Make sure fan blade
setting dimension is checked and re-adjusted if
necessary.
R-410A REFRIGERANT CHARGE
This unit was charged at the factory with the quantity
of refrigerant listed on the serial plate. AHRI capacity
and efficiency ratings were determined by testing with
this refrigerant charge quantity.
AIRFLOW
"A"
MIS-1724
TABLE 2
Fan Blade Dimension
Model
Dimension
A
H12
2.25"
H24
1.00"
H36
1.25"
H42
H48
H60
H72
1.75"
Manual2100-647A
Page
20 of 33
The pressure table on the following page shows
nominal pressures for the units. Since many
installation specific situations can affect the pressure
readings, this information should only be used by
certified technicians as a guide for evaluating proper
system performance. They shall not be used to adjust
charge. If charge is in doubt, reclaim, evacuate and
recharge the unit to the serial plate charge.
TABLE 3
Cooling Pressure
Air Temperature Entering Outdoor Coil °F
Model
H12A
H24A/L
H36A/L
H42A/L
H48A/L
H60A/L
H72A/L
Return Air Temp
(DB/WB)
Pressure
75
80
85
90
95
100
105
110
115
120
125
75/62
Low Side
High Side
125
296
129
316
132
336
134
359
137
381
139
405
141
429
144
454
146
481
148
508
150
537
80/67
Low Side
High Side
134
304
138
324
141
345
143
368
146
391
149
415
151
440
154
466
156
493
158
521
160
551
85/72
Low Side
High Side
139
315
143
335
146
357
148
381
151
405
154
430
156
455
159
482
161
510
164
539
167
570
75/62
Low Side
High Side
123
314
124
334
126
355
128
377
129
401
131
425
133
451
135
479
137
507
139
536
141
567
80/67
Low Side
High Side
132
322
133
343
135
364
137
387
138
411
140
436
142
463
144
491
146
520
149
550
151
582
85/72
Low Side
High Side
137
333
138
355
140
377
142
401
143
425
145
451
147
479
149
508
151
538
154
569
156
602
75/62
Low Side
High Side
117
323
120
346
122
370
124
394
127
419
129
446
131
473
134
500
136
528
137
558
138
587
80/67
Low Side
High Side
125
331
128
355
130
379
133
404
136
430
138
457
140
485
143
513
145
542
147
572
148
602
85/72
Low Side
High Side
129
343
132
367
135
392
138
418
141
445
143
473
145
502
148
531
150
561
152
592
153
623
75/62
Low Side
High Side
123
323
125
346
128
371
130
395
132
421
135
447
137
474
138
501
140
528
142
558
144
587
80/67
Low Side
High Side
132
331
134
355
137
380
139
405
141
432
144
458
146
486
148
514
150
542
152
572
154
602
85/72
Low Side
High Side
137
343
139
367
142
393
144
419
146
447
149
474
151
503
153
532
155
561
157
592
159
623
75/62
Low Side
High Side
120
330
122
353
125
377
127
402
130
428
132
454
134
482
136
510
137
540
139
570
141
601
80/67
Low Side
High Side
128
338
131
362
134
387
136
412
139
439
141
466
143
494
145
523
147
554
149
585
151
616
85/72
Low Side
High Side
132
350
136
375
139
401
141
426
144
454
146
482
148
511
150
541
152
573
154
605
156
638
75/62
Low Side
High Side
127
344
129
362
131
380
134
401
136
421
137
444
140
467
142
492
145
518
148
545
151
573
80/67
Low Side
High Side
136
353
138
371
140
390
143
411
145
432
147
455
150
479
152
505
155
531
158
559
161
588
85/72
Low Side
High Side
141
365
143
384
145
404
148
425
150
447
152
471
155
496
157
523
160
550
164
579
167
609
75/62
Low Side
High Side
117
332
119
353
121
376
122
402
124
427
126
454
128
483
130
512
132
542
134
574
136
607
80/67
Low Side
High Side
125
340
127
362
129
386
131
412
133
438
135
466
137
495
139
525
141
556
143
589
145
623
85/72
Low Side
High Side
129
352
131
375
134
400
136
426
138
453
140
482
142
512
144
543
146
575
148
610
150
645
Low side pressure ± 4 PSIG
High side pressure ± 10 PSIG
Tables are based upon rated CFM (airflow) across the evaporator coil. If there is any doubt as to correct operating
charge being in the system, the charge should be removed, system evacuated and recharged to serial plate charge
weight.
NOTE: Pressure table based on high speed condenser fan operation. If condensing pressures appear elevated, check condenser fan wiring. See “Condenser Fan Operation”.
Manual2100-647A
Page
21 of 33
TABLE 4A
Electrical Specifications H***A Series
Single Circuit
MODEL

No. Field
Maximum

Rated Volts
Power Minimum External
& Phase
Circuits
Fuse or
Circuit
Circuit
Ampacity
Breaker
Multiple Circuit
 Minimum
Circuit
Ampacity

Field

Power Ground
Wire
Wire
Ckt.
Size
A
Ckt.
B
Ckt.
C
 Maximum
External Fuse or
Circuit Breaker
Ckt.
A
Ckt.
B
Ckt.
C

Ground
Wire Size

Field Power
Wire Size
Ckt.
A
Ckt.
B
Ckt.
C
Ckt.
A
Ckt.
B
H12AA-A0Z
A03 230/208-1
A05
1
1
1
9
20
27
15
20
30
14
12
10
14
12
10
H24AA-A00,
A0Z
A04
230/208-1
A05
A08
A10
1
1
1
1
1
21
25
30
46
56
30
30
30
50
60
10
10
10
8
6
10
10
10
10
10
H36AA-A00*,
A0Z*
A05*
230/208-1
A08
A10*
A15
1
1
1
1
1 or 2
29
32
47
58
84
35
35
50
60
90
8
8
8
6
4
10
10
10
10
8
58
26
60
30
6
10
10
10
H42AA-A00,
A0Z
A05
230/208-1
A10
A15
A20
1
1
1
1 or 2
1 or 2
32
32
58
84
110
50
50
60
90
125
8
8
6
4
2
10
10
10
8
6
58
58
26
52
60
60
30
60
6
6
10
6
10
10
10
10
H48AA-A00,
A0Z
A05
230/208-1
A10
A15
A20
1
1
1
1 or 2
1 or 2
34
34
58
84
110
50
50
60
90
125
8
8
6
4
2
10
10
10
8
6
58
58
26
52
60
60
30
60
6
6
10
6
10
10
10
10
H60AA-A00,
A0Z
A05
230/208-1
A10
A15
A20
1
1
1
1 or 2
1 or 2
38
38
60
86
112
60
60
60
90
125
8
8
6
3
2
10
10
10
8
6
60
60
26
52
60
60
30
60
6
6
10
6
10
10
10
10
H72AA-A00,
A0Z
A05
230/208-1
A10
A15
A20
1
1
1
1 or 2
1 or 3
58
58
62
88
114
60
60
70
90
125
6
6
6
3
2
10
10
8
8
6
58
58
58
26
52
52
60
60
60
30
60
60
6
6
6
10
6
6
10
10
10
10
10
10
52
60
6
Ckt.
C
10
 These “Minimum Circuit Ampacity” values are to be used for sizing the field power conductors. Refer to the National Electrical code (latest version), Article 310
for power conductor sizing.
 Maximum size of the time delay fuse or circuit breaker for protection of field wiring conductors.
 Based on 75°C copper wire. All wiring must conform to the National Electrical Code and all local codes.
* Top outlet supply option is available only factory installed and only on the selected models.
CAUTION: When more than one field power circuit is run through one conduit, the conductors must be derated. Pay special attention to Note 8 of Table 310
regarding Ampacity Adjustment Factors when more than three (3) current carrying conductors are in a raceway.
IMPORTANT: While this electrical data is presented as a guide, it is important to electrically connect properly sized fuses and conductor wires in accordance
with the National Electrical Code and all local codes.
Manual2100-647A
Page
22 of 33
TABLE 4B
Electrical Specifications H***L Series
Single Circuit
MODEL

No. Field
Maximum

Rated Volts
Power Minimum External
& Phase
Circuits
Fuse or
Circuit
Circuit
Ampacity
Breaker

Field

Power Ground
Wire
Wire
Size
 Minimum
Circuit
Ampacity
Dual Circuit

 Maximum
Field Power
External Fuse or
Wire Size
Circuit Breaker

Ground
Wire Size
Ckt.
A
Ckt.
B
Ckt.
A
Ckt.
B
Ckt.
A
Ckt.
B
Ckt.
A
Ckt.
B
H24LA-A00,
A0Z
A05
A08
A10
230/208-1
1
1
1
1
21
30
46
56
30
30
50
60
10
10
8
6
10
10
10
10
H36LA-A00,
A0Z
A05
A10
A15
230/208-1
1
1
1
1 or 2
29
32
58
84
35
35
60
90
8
8
6
4
10
10
10
8
58
26
60
30
6
10
10
10
H42LA-A00,
A0Z
A05
A10
A15
230/208-1
1
1
1
1 or 2
32
32
58
84
50
50
60
90
8
8
6
4
10
10
10
8
58
26
60
30
6
10
10
10
H48LA-A00,
A0Z
A05
A10
A15
230/208-1
1
1
1
1 or 2
34
34
58
84
50
50
60
90
8
8
6
4
10
10
10
8
58
26
60
30
6
10
10
10
H60LA-A00,
A0Z
A05
A10
A15
230/208-1
1
1
1
1 or 2
38
38
60
86
60
60
60
90
8
8
6
3
10
10
10
8
60
26
60
30
6
10
10
10
H72LA-A00,
A0Z
A05
A10
A15
230/208-1
1
1
1
1 or 2
58
58
62
88
60
60
70
90
6
6
6
3
10
10
8
8
58
58
26
52
60
60
30
60
6
6
10
6
10
10
10
10
 These “Minimum Circuit Ampacity” values are to be used for sizing the field power conductors. Refer to the National Electrical code (latest version), Article 310
for power conductor sizing.
 Maximum size of the time delay fuse or circuit breaker for protection of field wiring conductors.
 Based on 75°C copper wire. All wiring must conform to the National Electrical Code and all local codes.
* Top outlet supply option is available only factory installed and only on the selected models.
CAUTION: When more than one field power circuit is run through one conduit, the conductors must be derated. Pay special attention to Note 8 of Table 310
regarding Ampacity Adjustment Factors when more than three (3) current carrying conductors are in a raceway.
IMPORTANT: While this electrical data is presented as a guide, it is important to electrically connect properly sized fuses and conductor wires in accordance
with the National Electrical Code and all local codes.
Manual2100-647A
Page
23 of 33
TABLE 5
Recommended Airflow
Model
Nominal
Rated
CFM *
Nominal
Rated
ESP *
Recommended
Airflow Range
Factory Speed
Connection
H12A
400
.20
360 - 530
Single
H24A, H24L
800
.30
700 - 950
Single
H36A, H36L
1100
.30
1000 - 1300
High
H42A, H42L
1350
.40
1250 - 1600
Low
H48A, H48L
1550
.35
1450 - 1750
High
H60A, H60L
1800
.30
1700 - 2000
High
H72A, H72L
1900
.25
1800 - 2100
Medium
* Rated CFM and ESP on factory speed connection.
TABLE 6
Indoor Blower Performance
Speed
ESP
(In. H20)
H12
H24
Single
Single
H36
High
H42
Low
High
H48
Low
High
H60
Low
High
H72
Low
High
Medium
Low
Dry Wet Dry Wet Dry Wet Dry Wet Dry Wet Dry Wet Dry Wet Dry Wet Dry Wet Dry Wet Dry Wet Dry Wet Dry Wet
Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil
0.0
530
0.1
475 450 960 925 1340 1260 940 930 1905 1880 1700 1640 1910 1865 1675 1615 2045 1960 1480 1395 2185 2095 2010 1965 1950 1870
0.2
425 400 905 870 1265 1185 905 890 1820 1760 1615 1565 1820 1770 1600 1540 1970 1885 1400 1315 2115 2035 1960 1915 1885 1825
0.3
375 360 835 800 1180 1100 860 850 1735 1665 1530 1450 1720 1605 1500 1425 1895 1800 1300 1220 2050 1970 1915 1865 1835 1785
0.4
315 300 750 720 1080 1010 800 785 1615 1565 1425 1350 1575 1500 1375 1320 1800 1700 1220 1150 1985 1920 1860 1815 1780 1720
0.5
N/A
500 1010 975 1400 1310 965 955 1980 1940 1800 1705 2000 1940 1750 1700 2105 2010 1540 1460 2255 2155 2075 2015 1995 1930
N/A 640 610 970 895 705 680 1510 1380 1100 1000 1420 1190 1075 1030 1705 1605 1110 1070 1925 1855 1810 1765 1725 1615
TABLE 7
Maximum ESP of Operation
Electric Heat Only
Model
H12A
H24A/L
H36A/L
H42A/L, H48A/L
Outlet
FRONT
FRONT
Speed
Single
Single
High
Low
High
Low
High
Low
High
Low
-A0Z
-A03
-A04
-A05
-A08
-A10
-A15
-A20
.35
.35
.50
.50
.50
.50
.50
.50
.45
.50
.50
.50
.50
.50
.50
.50
.50
.50
.40
.50
.50
.45
.35
.50
.50
.50
.50
.50
.50
.50
.50
.50
.45
.50
.50
.50
.50
.50
.40
.35
FRONT
TOP
H60A/L, H72A/L
FRONT
.35
.50
TABLE 8A
H12A Electric Heat
240V-1
TABLE 8B
H24-72A/L Electric Heat
208V-1
Models
(KW)
Amps
BTUH
Amps
3
15.0
12760
13.0
5
20.8
17540
18.1
13275
Manual2100-647A
Page
24 of 33
FRONT
240V-1
208V-1
BTUH
Models
(KW)
Amps
BTUH
Amps
BTUH
9705
3
15.0
12760
13.0
9705
4
16.7
13650
14.4
10240
5
20.8
17540
18.1
13275
8
33.3
27300
28.8
20475
10
41.6
34130
36.2
25600
15
62.5
51250
54.0
38400
20
83.2
68260
72.1
51200
Heater Kits
X
EHWA02A-A05LB X
901147-A05
X
EHW02A-A08LB
X
X
EHWA02-A05B
X
EHWA02-A10LB
EHW02A-A08B
X
EHWA03-A05LB
X
EHWA02A-A10B
X
EHWA03-A10LB
X
EHWA24-A04B
X
EHWA03-A15LB
X
EHWA03-A05B
X
EHWA03-A08B
X
EHWA03-A10B
EHWA03-A15B
Heater Kits
H72LA-A
H60LA-A
H48LA-A
EHW4TA-A05L
X
X
X
EHWA05-A10LB
X
X
X
X
EHWA05-A15LB
X
X
X
X
EHW6TA-A05L
X
EHW72A-A10LB
X
EHW4TA-A05
X
X
EHWA05-A10B
X
X
X
EHW72A-A15LB
EHWA05-A15B
X
X
X
WMCB-03A
EHWA05-A20B
X
X
X
X
X
EHW72A-A10B
X
EHW72A-A15B
X
EHW72A-A20B
WMCB-03A
H42LA-A
H36LA-A
H24LA-A
Left Hand Units
901147-A03
EHW5TA-A05
Circuit Breakers
(WMCB)
&
Pull Disconnects
(WMPD)
H72AA-A
H60AA-A
H48AA-A
H42AA-A
H36AA-A
H24AA-A
Right Hand Units
H12AA-A
TABLE 9
Optional Accessories
Circuit Breakers
(WMCB)
&
Pull Disconnects
(WMPD)
X
X
WMCB-05A
X
WMCB-08A
X
X
WMCB-09A
X
X
X
X
WMCB-05A
X
WMCB-08A
X
WMCB-09A
X
X
X
ODT
CMC-15
Start Kit (230V 1-Phase)
CMC-23
DDC
CMC-24
DDC
CMC-28
LAC
BOP-1A
H42
H48
H60
H72
CMC-14
H36
Description
H24
Part Number
H12
TABLE 10
Vent and Control Options
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
BOP-2
Blank Off Plate
EWM1-E
EWM1-T
Economizer - Bldg. Equipment, Enthalpy
Economizer - Bldg. Equipment, DB Temp.
X
EWM2-E
EWM2-T
Economizer - Bldg. Equipment, Enthalpy
Economizer - Bldg. Equipment, DB Temp.
BOP-3
Blank Off Plate
X
EWM3-E
EWM3-T
Economizer - Bldg. Equipment, Enthalpy
Economizer - Bldg. Equipment, DB Temp.
X
X
BOP-5
Blank Off Plate
X
EWM5-E
EWM5-T
Economizer - Bldg. Equipment, Enthalpy
Economizer - Bldg. Equipment, DB Temp.
X
X
X
X
X
X
Manual2100-647A
Page
25 of 33
TABLE 11
Unit Low Voltage Terminal Connection Chart – MV Series Controller
Terminal
Description
MV Terminal Connection
Revision
"2"
Reference
1
Compressor on Output Signal from Jade to MV
"A" on Relay Board
"A"
2
24VAC HOT from Terminal 2 Connected to Unit Transformer to MV
"R" on Relay Board
"R"
3
24VAC COMMON from Unit Transformer to MV
"C" on Relay Board
"C"
4
Unit Compressor Operation, Unit Receives Signal from MV for Compressor/
Condenser Fan On
"Y" on Relay Board
"Y"
5
Close Damper Input (Close Blade 100%), Unit Receives Signal from MV
"F" on Relay Board
"F"
6
Electric Heat On Operation, Stage 1 and 2, Unit Receives Signal from MV
"W" on Relay Board
"W1"
7
1st Stage Cooling Input, 1st Stage Cooling Signal to Jade from MV
"Y1" on Relay Board
"Y1"
8
2nd Stage Cooling Input, 2nd Stage Cooling Signal to Jade from MV
"Y2" on Relay Board
"Y2"
"G"
Blower Operation (Indoor Blower On), Unit Receives Signal from MV
"G" on Relay Board
10
9
Filter Switch Normally Closed Dry Contacts, MV Signals Dirty Filter Alarm
"4" on Relay Board
"4"
11
Filter Switch Normally Closed Dry Contacts, MV Signals Dirty Filter Alarm
"5" on Relay Board
"5"
12
Blade Switch Delay Relay Normally Closed Dry Contacts, MV Signals Blade
Switch Fail Alarm*
"8" on Relay Board
13
Blade Switch Delay Relay Normally Closed Dry Contacts, MV Signals Blade
Switch Fail Alarm*
"9" on Relay Board
14
Occupied Signal Input, Econ Emergency Open (Open Blade 100%), Unit
Receives Signal from MV
15
Econ Open Output (6V HOT, 24V HOT after Blade Open 100% and Delay), Sends
Signal to MV
16
17
"ECONE" on Alarm Board
"DAMPER" on Comm Board
"8"
"9"
"E"
"10"
Alarm Relay Common Dry Contact, MV Signals Compressor Fail Alarm
"LOCKOUT 3" on Alarm
Board
"3"
Alarm Relay Normally Open Dry Contact, MV Signals Compressor Fail Alarm
"LOCKOUT 2" on Alarm
Board
"2"
18
Alarm Relay Normally Closed Dry Contact
19
24VAC HOT to Terminal 2 from Unit Transformer Through Smoke Alarm Jumper
Wire**
Not Used on MV
"1"
Building Smoke Alarm
(optional)
"RT"
20
2nd Stage Heating On Operated Through Jumper to Terminal 6
Not Used on MV
"W2'
21
Blade Switch Terminal 24V HOT When Blade is Open, Sends Signal from Switch
to Delay Relay
Not Used on MV
"7"
* Blade switch delay relay fail alarm set to 500 second delay from factory.
** Replace jumper wire with smoke alarm connections to interrupt 24VAC unit power if smoke alarm is used in shelter. Jumper can also
be removed to break 24VAC power to unit.
Manual2100-647A
Page
26 of 33
TABLE 12
Unit Low Voltage Terminal Connection Chart – Cooling/Heating Thermostat
Terminal
Description
Thermostat Connection
Revision
"2"
Reference
1
Compressor on Output Signal from Jade
Not Used
"A"
2
24VAC HOT from Terminal 2 Connected to Unit Transformer to Thermostat
"R" on Tstat
"R"
3
24VAC COMMON from Unit Transformer to Thermostat
"C" on Tstat
"C"
4
Unit Compressor Operation, Unit Receives Signal from MV for Compressor/
Condenser Fan On
"Y" on Tstat
"Y"
5
Close Damper Input (Close Blade 100%)
6
Electric Heat On Operation, Stage 1 and 2, Unit Receives Signal from Thermostat
7
8
9
Not Used
"F"
"W" on Tstat
"W1"
1st Stage Cooling Input, 1st Stage Cooling Signal – Economizer Use Only
Economizer 24V Signal
"Y1"
2nd Stage Cooling Input, 2nd Stage Cooling Signal – Economizer Use Only
Economizer 24V Signal
"Y2"
Blower Operation (Indoor Blower On), Unit Receives Signal from Thermostat
"G" on Tstat
"G"
10
Filter Switch Normally Closed Dry Contacts
Not Used
"4"
11
Filter Switch Normally Closed Dry Contacts
Not Used
"5"
12
Blade Switch Delay Relay Normally Closed Dry Contacts
Not Used
"8"
13
Blade Switch Delay Relay Normally Closed Dry Contacts
Not Used
"9"
14
Occupied Signal Input, Econ Emergency Open (Open Blade 100%)
Not Used
"E"
15
Econ Open Output (6V HOT, 24V HOT after Blade Open 100% and Delay)
Not Used
"10"
16
Alarm Relay Common Dry Contact
Not Used
"3"
17
Alarm Relay Normally Open Dry Contact
Not Used
"2"
18
Alarm Relay Normally Closed Dry Contact
Not Used
"1"
19
24VAC HOT to Terminal 2 from Unit Transformer Through Smoke Alarm Jumper
Wire*
Building Smoke Alarm
(optional)
"RT"
20
2nd Stage Heating On Operated Through Jumper to Terminal 6
Not Used
"W2'
21
Blade Switch Terminal 24V HOT When Blade is Open, Sends Signal from Switch
to Delay Relay
Not Used
"7"
* Replace jumper wire with smoke alarm connections to interrupt 24VAC unit power if smoke alarm is used in shelter. Jumper can also
be removed to break 24VAC power to unit.
Manual2100-647A
Page
27 of 33
Light
132
25
T1
128
50
T2
52
6
COM
2
MINUTES
LPC
500
103
T2
C
Y
11
103
ALR CC
R HPC
NO NC
T1
11
P6
12 Pin Vent
Option Plug
103
103
113
121
112
104
Filter 21
Relay
110
Red
Blue
Orange
Low Voltage
Field Connections
To MV Controller
Hi Press. Control
4
COM
3 1
7
6
A
B
9
109
Red
Indoor 5
Blower Relay
NC
NO
Compressor
Module
22
Time
Delay
Relay
Condenser Section
Low Press. Control
Blue
Blue
133
Red/White
132
124
132
Brown
49
Orange/Black
45
Filter Switch
128
Orange/Black
Heater
Contact
Red/White
24
Blue
Red/White
Black/White
Black/White
Filter Reset
Button
Blue
L2
Red
L1
Red
Black/White
46
21
21
12
32
119
118
19
19
20
20
117
116
16
15
14
17
16
4
10
7
14
15
116
110
109
10
NC
NO
9
103
30
7
Brown
8
32
6
5
Black/White
5
Relay
COM Alarm
52
13
10
9
Red/White
11
Smoke
Jumper
12
5
2
7
8
6
5
1
C
102
2
1
Red
46
35
Block #2
(Opt.)
23 Terminal
34
Compressor
3 Contactor
103
Black
Red Wire to 208V
tap for 208V
Operation
33
Black/White
Ground
Eyelet
COM
208V
240V
Red
8
Circuit
Breaker
122
4
6
9
2
3
1
8
C
T1
L1
37
36
28
Red
27
Black
29
T2
L2
47
99
Low Voltage
High Voltage
!
DANGER
Black
Brown
Black
Yellow
Red
Field
Overload
C
Optional
MIS-3793
Condenser Section
Outdoor
Fan Motor
Compressor
S
R
Low Ambient Control (opt.)
Black
Black
*ELECTRICAL SHOCK HAZARD
*DISCONNECT POWER BEFORE
SERVICING.
Wire Identification numbers
for Bard use only.
Yellow
WARNING
USE COPPER CONDUCTORS
ONLY SUITABLE FOR AT LEAST
75° C.
!
Black (Hi)
Yellow
Evaporator Section
Indoor Fan
Capacitor
Brown
Indoor
Fan Motor
Brown
10
Dual Can Capacitor
Wires Connect
if Option Not
Used
Factory
A
"Y" "C" "R" "A" "MV CONNECTIONS"
3
103
4
104
119
R
9 Ground Lug
Transformer 4
31
Hi Voltage Connections
"9" "8" "5" "4" "G" "Y2""Y1""W1" "F"
11
111
12
112
51
117
L2
13
113
118
L1
LOUT LOUT DAMPERECON
2
3
E
17
123
111
Black
"SMOKE JUMPER"
18
18
Red
48
Pink
Red/Blue
47
Blue
Black
Red/Black
230/208-60-1
Per Nameplate
Blue/Black
Red/Black
3
Blue
1
Blue/Black
Blk/Wht
Yellow/Black
Yellow/White
Black
Green
Yellow
Limit Switch
Brown/White
Orange
Black/White
Red/White
Black/White
2
Yellow
1
Yellow/Red
Black/White
Red/White
Yellow/Red
Pink
N
Purple
FA
Blue/White
Yellow
Red
Red
RM
HE
Black
Black
Manual2100-647A
Page
28 of 33
Yellow
Thermal Cutoff
FIGURE 9A
H12AA Wiring Diagram – Top
128
120
119
Blk/Wht
Red/White
Red/White
127
Filter Switch
Light
LPC
2
MINUTES
T2
C
Y
T1
103
11
31
ALR CC
R HPC
103
113
112
104
Filter 9
Relay
110
NO NC
COM
4
1
4
1
Blk/Whte
11
P6
12 Pin Vent
Option Plug
Brown
Blue
103
121
21
21
12
31
120 119
Red
Orange
Low Voltage
Field Connections
To MV Controller
Hi Press. Control
Condenser Section
Low Press. Control
10
5
103
500
6
3
6
3
5
109
Compressor
Module
23
111
124
Time
Delay
Relay
Orange/Black
Indoor
Blower Relay
Red/White
Black/White
Orange/Black
9
Red
128
Blue
Black/White
Red
Filter Reset Button
Blue
Red
129
20
20
Brown
120
118
19
19
117 116
16
15
14
123
113
L1
17
16
4
10
7
14
15
LOUT LOUT DAMPER ECON
2
3
E
17
Black
"SMOKE JUMPER"
18
18
Red
103
Blue
Pink
Red/Blue
230/208-60-1
Per Nameplate
112
118
111
12
22
117
L2
110
11
109
Alarm
Relay
116
10
3
5
2
9
103
30
Brown
8
31
7
106
6
5
Black/White
1
4
13
10
9
Red/White
11
Smoke
Jumper
12
5
2
7
8
6
5
1
104
3
2
1
COM
131
Block #2
(Opt.)
29 Terminal
Black/White
Ground
Eyelet
130
Red
103
Black
122
4
6
9
2
3
1
8
T1
L1
T2
L2
A
Low Voltage
High Voltage
A
99
!
DANGER
Black
Brown
21
21
21
Field
S
C
Optional
MIS-3794
Condenser Section
Outdoor
Fan Motor
Compressor
R
Low Ambient Control (opt.)
Black
Black
*ELECTRICAL SHOCK HAZARD
*DISCONNECT POWER BEFORE
SERVICING.
Wire Identification numbers
for Bard use only.
Yellow
38
Dual Can Capacitor
Yellow
Red
Black
Black
WARNING
USE COPPER CONDUCTORS
ONLY SUITABLE FOR AT LEAST
75° C.
!
Black (Hi)
Yellow
Red (Lo)
Evaporator Section
Indoor Fan
Capacitor
Brown
Indoor
Fan Motor
Brown
Compressor
Contactor
7
Wires Connect
if Option Not
Used
Factory
A
C
Start Kit (Opt.)
12
Red Wire to 208V
tap for 208V
208V
Operation
240V
"Y" "C" "R" "A" "MV CONNECTIONS"
4
C
R
103 102
119
13 Ground Lug
Transformer 8
132
Hi Voltage Connections
"9" "8" "5" "4" "G" "Y2" "Y1""W1" "F"
13
Red/Black
106
Blue/Black
6 Pin Electric
Heat Plug 11
Red/Black
6
Blue/Black
Blk/Wht
Yellow/Black
Yellow/White
Black
Green
Orange
5
Brown/White
Yellow
4
Yellow/Red
Blue
Black/White
Red/White
Black/White
3
Yellow
2
Pink
Black/White
Yellow
Black
Yellow
Yellow/Red
Purple
N
Blue/White
FA
Red/White
H
Yellow
Red
Red
ER
M
1
FIGURE 9B
H24,36*A Wiring Diagram – Top
Manual2100-647A
Page
29 of 33
Orange/Black
135
128
Red/White
135
133
10
2
MINUTES
LPC
500
103
T2
C
Y
11
103
31
ALR CC
R HPC
NO NC
T1
11
P6
12 Pin Vent
Option Plug
103
103
113
112
104
Filter 32
Relay
110
Brown
Blue
121
21
21
12
31
19
19
20
118
20
120 119
Red
Orange
Low Voltage
Field Connections
To MV Controller
Hi Press. Control
4
COM
3 1
7
9
6
A
B
Compressor
Module
23
Time
Delay
Relay
COM
Indoor 9
Blower Relay
NC
NO
109
Black/White
132
124
Condenser Section
Low Press. Control
Blue
Blue
Red/White
132
Filter Switch
Black/White
132
Red/White
Black/White
Light
Red
128
Blue
Orange/Black
Filter Reset Button
Blue
Red/Black
129
Red
Black/White
120
Brown
103
17
14
15
15
16
16
14
123
17
4
10
7
116
110
109
10
9
103
8
31
30
7
106
6
5
Black/White
9
Relay
COM Alarm
Brown
NC
NO
13
11
9
Red/White
10
Smoke
Jumper
12
5
2
7
8
6
5
1
122
4
3
2
6
9
2
3
1
1
Block #2
(Opt.)
29 Terminal
Red
131
8
T1
L1
136
136
!
DANGER
Black
Brown
High Voltage
Low Voltage
C
MIS-3770
Condenser Section
Outdoor
Fan Motor
Compressor
Crankcase Heater
S
R
Low Ambient Control (opt.)
Black
Black
*ELECTRICAL SHOCK HAZARD
*DISCONNECT POWER BEFORE
SERVICING.
99 Wire Identification numbers
Yellow
27
Dual Can Capacitor
WARNING
33
Parking
Terminal
USE COPPER CONDUCTORS
ONLY SUITABLE FOR AT LEAST
75° C.
!
Black (Hi)
Yellow
Red (Lo)
Evaporator Section
Indoor Fan
Capacitor
Brown
Indoor
Fan Motor
Brown
for Bard use only.
Wires Connect
if Option Not
Used
Factory Field Optional
A
C
Black
Red
T2
L2
Start Kit (Opt.)
12
Compressor
7 Contactor
103
Black
Red Wire to 208V
tap for 208V
Operation
130
Black/White
Ground
Eyelet
COM
208V
240V
"Y" "C" "R" "A" "MV CONNECTIONS"
4
104
C
103 102
119
R
13 Ground Lug
Transformer 8
130
Hi Voltage Connections
"9" "8" "5" "4" "G" "Y2" "Y1" "W1" "F"
11
111
12
112
117
L2
13
113
118
L1
LOUT LOUT DAMPER ECON
E
2
3
"SMOKE JUMPER"
18
18
111
Black
230/208-60-1
Per Nameplate
117 116
Red
106
Pink
Red/Blue
6 Pin Electric
Heat Plug 11
Blue
6
Red/Black
5
Blue/Black
Red/Black
4
Blue/Black
Blk/Wht
Yellow/Black
Yellow/White
Orange
3
Pink
2
Brown/White
Blue
Yellow/Red
Purple
Yellow
Black/White
Black
Yellow/Red
Green
N
Yellow
Black
Yellow
Yellow
Black/White
Red/White
Red/White
FA
Blue/White
Black/White
Yellow
Yellow
Red
Red
ER
M
H
Black
Manual2100-647A
Page
30 of 33
Black
1
FIGURE 9C
H42,48,60*A Wiring Diagram – Top
Light
132
Orange/Black
135
135
133
Red/White
132
10
103
2
MINUTES
LPC
500
6
C
Y
11
103
31
ALR CC
R HPC
NO NC
T1
113
112
104
Filter 32
Relay
110
103
11
P6
12 Pin Vent
Option Plug
Low Voltage
Field Connections
To MV Controller
Hi Press. Control
T2
COM
4
7
9
Orange
Brown
Orange/Black
103
A
3 1
COM
NO
B
NC
Compressor
Module
23
Time
Delay
Relay
124
Condenser Section
Low Press. Control
Blue
Blue
Red/White
Blue
128
Red/White
132
Filter Switch
128
Orange/Black
Filter Reset Button
Blue
Indoor 9
Blower Relay
Red
Black/White
Black/White
Black/White
Red
Blue
121
21
21
12
120
120 119
20
20
Brown
120
31
109
118
19
19
16
15
14
123
113
17
16
4
7
14
15
10
118
L1
LOUT LOUT DAMPER ECON
2
3
E
17
"SMOKE JUMPER"
18
18
111
130
230/208-60-1
Per Nameplate
117 116
137
Red
103
Pink
Red/Blue
106
Blue
6 Pin Electric
Heat Plug 11
112
111
117
L2
12
110
11
116
10
109
9
103
8
31
7
106
6
5
Black/White
9
Relay
COM Alarm
Brown
NC
NO
13
10
9
Red/White
11
Smoke
Jumper
12
5
2
7
8
6
5
1
104
3
130
2
1
Block #2
(Opt.)
29 Terminal
Red
122
4
6
9
2
3
1
8
Low Voltage
High Voltage
38
99
DANGER
Black
Brown
Field
C
Optional
MIS-3795
Condenser Section
Outdoor
Fan Motor
Compressor
S
R
Low Ambient Control (opt.)
Black
Black
Wire Identification numbers
for Bard use only.
Yellow
!
*ELECTRICAL SHOCK HAZARD
*DISCONNECT POWER BEFORE
SERVICING.
Black
Black
38
Yellow
Red
Blue
Black
Evaporator Section
Black/White
Red
TO DESIRED SPEED TAP
MOVE ORANGE/BLACK WIRE
TO CHANGE BLOWER SPEED
Blower Speed
Terminal Block
37
27
Dual Can Capacitor
Wires Connect
if Option Not
Used
Factory
A
C
Black
Red
T2
L2
Black
Start Kit (Opt.)
T1
L1
Red
12
Compressor
7 Contactor
103
131
Black
Red Wire to 208V
tap for 208V
Operation
Black/White
Ground
Eyelet
COM
208V
240V
38
"Y" "C" "R" "A" "MV CONNECTIONS"
4
C
R
103 102
119
134
13 Ground Lug
Transformer 8
Yellow/Red
30
Orange/Black
Hi Voltage Connections
"9" "8" "5" "4" "G" "Y2""Y1""W1" "F"
13
Red/Black
6
Blue/Black
5
Red/Black
4
Blue/Black
Blk/Wht
Yellow/Black
Yellow/White
Black
Green
Orange
3
Brown/White
Blue
2
Yellow/Red
N
Pink
FA
Purple
Yellow
Freeze Stat
Blue/White
Black/White
N
Blower Power Plug
Black/White
Hi Med Lo
C L1 G
Black/White
38
Red/White
Red/White
5
Yellow
4
Red/White
3
Yellow
2
Yellow
Blower Speed Plug
H
1
ER
M
39
Yellow
Yellow
1
FIGURE 9D
H72*A Wiring Diagram – Top
Manual2100-647A
Page
31 of 33
ORANGE/BLACK
BLUE/WHITE
1
2
3
4
5
6
ORANGE
ORANGE
IAQ +
IAQ IAQ24V
ACT +
ACT ACT 24V
MAT +
MAT OAT +
OAT S-BUS
S-BUS
RELAY
NO
NC
4
Green
48
COM
6
5
4
3
2
1
BLACK
RED
10
Brown/White
PLUG
PLUG
6
5
4
3
2
1
RED/BLACK
3
Y2-I
Y2-O
Y1-I
Y1-O
C
R
AUX2-I
OCC
E-GND
EXH1
AUX1-O
THIS WIRE IS PART OF
12 PIN PLUG MALE 7
12
Yellow/White
ECONOMIZER CONTROL
MODULE
1
2
3
4
5
6
PLUG
PLUG
RED
BLACK
BROWN
BROWN
Temperature econ. version shown.
For Enthalpy version, these wires
connect to "S-BUS" terminals.
PINS ON 12 PIN PLUG
(FEMALE)
Yellow/Red
7
12 PIN PLUG
MALE
BROWN/WHITE
YELLOW/WHITE
BLUE
YELLOW/RED
GREEN
PINK
ORANGE
PURPLE
YELLOW
BLACK
RED
8
2
12 PIN PLUG
MALE
YELLOW/WHITE
Pink
5
Purple
ECONOMIZER CONTROL PANEL
7
Smoke
Jumper
Blue/White
Black/White
6
9
Red/White
8
Yellow
5
3
2
8
6
9
10
12
1
7
4
5
6
11
12
3
2
8
9
7
4
1
MIXED AIR
TEMPERATURE
SENSOR 46
1
2
3
4
11
12 PIN PLUG
FEMALE
2ND STAGE COOLING INPUT
2ND STAGE COOLING OUTPUT (not used)
1ST STAGE COOLING INPUT
COMPRESSOR OUTPUT
24V COMMON INPUT
24V HOT INPUT
ECON OPEN OUTPUT
13
3
OUTSIDE AIR
TEMPERATURE
SENSOR
CONTACT POSITION
IS SHOWN WITH THE
DAMPER BLADE IN
THE CLOSED POSITION
DAMPER MOTOR
BL. SWITCH
NC
NO
COM
ECON FAILURE OUTPUT
CLOSE DAMPER INPUT
OCCUPIED SIGNAL INPUT
GROUND
ORANGE
ORANGE
BLACK
RED
RED
BLACK
BROWN
BROWN
1
12 PIN PLUG
FEMALE
BLUE/WHITE
ORANGE/BLACK
YELLOW/WHITE
COMPRESSOR OUTPUT
24V HOT INPUT
24V COMMON INPUT
CLOSE DAMPER INPUT
1ST STAGE COOLING INPUT
2ND STAGE COOLING INPUT
OCCUPIED SIGNAL INPUT
ECON OPEN OUTPUT
GROUND
ECON FAILURE OUTPUT
1
Yellow/White
""
Yellow/Red
Brown/White
Green
Blue/White
Purple
MIS-3710
Pink
Yellow
Red/White
Manual2100-647A
Page
32 of 33
Black/White
To MV Controller
FIGURE 10
H***A Wiring Diagram – Bottom
FIGURE 11
H***A Low Voltage Ladder Diagram for Unit and MV Connections
Blk/Wht
Filter Light
Pin 6 on Vent Plug
MV
Controller
Low Voltage
Terminal Strip
C
3
R
2
4
10
5
11
W
6
Pin 9 on Vent Plug
R on
Compressor
Control Module
9
Bk/W
Red/Wht
Filter
Switch
Filter Reset Button
Org/Blk
Red/Wht
Org/Blk
1
3
5
4
Blue/Blk
Filter
Relay
Blue/Blk
Pin 6 on Heater Plug
Blue
Brown
20
G
Rd/W
Pin 3 on Heater Plug
Blower Relay
Pin 1 on Heater Plug
Orange
Blk/Wht
L3
16
Black
L2
17
Blue
18
8
12
9
13
21
19
Y
4
2
5
Red
Alarm Relay
Red/Blk
NC
Red/Blk
Pin 12 on V. Plug
Yel/Blk
T2
COM
T1
Hi Press. Sw.
Y
LPC
Red
Red
Blue
Blue
Lo Press. Sw.
Pin 8 on Vent Plug
A
1
F
5
Y1
7
Purple
Y2
8
Pink
Pin 5 on Vent Plug
EE
14
Yel/Red
Pin 7 on Vent Plug
DR
15
Yellow
Blue/Wht
Brown/Wht
Blk/Wht
Time Delay Relay
Hot
Comp. Control Module
Red/Blue
Yellow
4
Pin 1 on Vent Plug
Pin 2 on Vent Plug
Pin 10 on Vent Plug
Transformer 24VAC
Common
HPC
CC
LPC
ALR
Compressor
Contactor
Bk/Wh
Pink
Alarm Relay
1
3
Low Voltage
Ladder Diagram
for Unit and MV
Connections
MIS-3712
Manual2100-647A
Page
33 of 33
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