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Manual 2100-647D

Page 

25 of 36

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

Speed

H12

H24

H36

H42

H48

H60

H72

Single

Single

High

Low

High

Low

High

Low

High

Low

High

Medium

Low

ESP

(In. H

2

0)

Dry 

Coil

Wet 
Coil

Dry 

Coil

Wet 
Coil

Dry 

Coil

Wet 
Coil

Dry 

Coil

Wet 
Coil

Dry 

Coil

Wet 
Coil

Dry 

Coil

Wet 
Coil

Dry 

Coil

Wet 
Coil

Dry 

Coil

Wet 
Coil

Dry 

Coil

Wet 
Coil

Dry 

Coil

Wet 
Coil

Dry 

Coil

Wet 
Coil

Dry 

Coil

Wet 
Coil

Dry 

Coil

Wet 
Coil

0.0

530 500 1010 975 1400 1310 965 955 1980 1940 1800 1705 2000 1940 1750 1700 2105 2010 1540 1460 2255 2155 2075 2015 1995 1930

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 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

Model

H12A

H24A/L

H36A/L

H42A/L, H48A/L

H60A/L, H72A/L

Outlet

FRONT

FRONT

FRONT

TOP

FRONT

FRONT

Speed

Single

Single

High

Low

High

Low

High

Low

High

Low

-A0Z
-A03
-A04
-A05
-A08
-A10
-A15
-A20

.35
.35

.35

.50

.50
.50

.50

.50
.50
.50
.40

.50

.50
.50
.45
.35

.50
.50

.50

.50
.45

.35

.50

.50

.50
.50
.50

.50

.50

.50
.50
.45

.50

.50

.50
.50
.50

.50

.50

.50
.50
.40

-BOZ
-BO3
-BO5
-B06
-B09
-B15
-B18

.50
.40

.50
.50
.50
.35

.50
.40
.50
.30

.50
.50
.50

.50
.50
.50

.50
.50
.50

.50
.50
.50

.50
.50
.50

.50
.50
.50

.50
.50
.50

.50
.50
.50

TABLE 6

Indoor Blower Performance

TABLE 5

Recommended Airflow

* Rated CFM and ESP on factory speed connection.

TABLE 7

Maximum ESP of Operation 

Electric Heat Only

Summary of Contents for H42AA-B

Page 1: ...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 647D Supersedes 210...

Page 2: ...Blower Performance 25 Table 7 Max ESP of Operation Elec Heat Only 25 Table 8A H12 Electric Heat 26 Table 8B H24 72 Electric Heat 26 Table 9 Optional Accessories 27 Table 10 Vent and Control Options 2...

Page 3: ...ummer 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 Contract...

Page 4: ...ed 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...

Page 5: ...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 in...

Page 6: ...olts 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...

Page 7: ...63 CONDENSER AIR OUTLET HEATER FILTER ACCESS AIR VENTILATION CONDENSER AIRFLOW IS BLOW THRU 19 72 3 88 31 06 19 72 20 43 SHIPPING LOCATION ENTRANCE ELECTRICAL OPTIONAL TOP RAIN FLASHING DRAIN HOSE 22...

Page 8: ...d Entrance Air Panel Drain Heater Disconnect Entrance 4 Pitch Inlet Access Panel Economizer Rain Hood Low Voltage Electrical Air Intake Hood C Breaker High Voltage Economizer Controls H A D J C I 2 13...

Page 9: ...SUPPLIED FOAM AIR SEAL WALL WALL STRUCTURE MIS 3600 FLANGES AND UNDER TOP FLASHING AT TIME OF INSTALLATION SUPPLY AIR DUCT RETURN AIR NOTE IT IS RECOMMENDED THAT A BEAD OF SILICONE CAULKING BE PLACED...

Page 10: ...F TOP TOP WALL OF CAULKING ALONG PANEL FOAM AIR SEAL WALL STRUCTURE OPENING TOP FLASHING AT TIME OF INSTALLATION THE SIDE MOUNTING FLANGES AND UNDER DUCT Wall Opening and Hole Location View Right Side...

Page 11: ...4 CLEARANCE ON ALL HEATER ACCESS TOP FLASHING AT TIME OF INSTALLATION THE SIDE MOUNTING FLANGES AND UNDER SILICONE CAULKING BE PLACED BEHIND IS ON OPPOSITE LEFT SIDE OPENING CONTROLS AND HEATER ACCESS...

Page 12: ...1 4 1 1 4 29 3 4 32 12 5 1 2 2 NOTES WALL STRUCTURE 1 SUPPLY AIR IT IS RECOMMENDED THAT A BEAD OF OPENING Right Side View RAIN FLASHING SILICONE CAULKING BE PLACED BEHIND RECOMMENDED 1 CLEARANCE FROM...

Page 13: ...als 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 materi...

Page 14: ...TURN AIR SUPPLY AIR FACTORY SUPPLIED RAIN FLASHING SUPPLY AIR MIS 548 A SIDE VIEW I A C K E 1 000 B 1 000 SUPPLY DUCT OVER FRAME INTERIOR FINISHED WALL ALL AROUND DUCT FRAMING MATERIAL EXTERIOR FINISH...

Page 15: ...e that there will be no nuisance tripping due to the momentary high starting current of the compressor motor The disconnect access door on this unit may be locked to prevent unauthorized access to the...

Page 16: ...eplace 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 2 Remove hood cover 3 Remove mist el...

Page 17: ...nt 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 ch...

Page 18: ...d with a three phase line monitor to prevent compressor damage due to phase reversal The phase monitor in this unit is equipped with two LEDs If the Y signal is present at the phase monitor and phases...

Page 19: ...wer 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 ou...

Page 20: ...nds DOB 144 second DOM 5 0 minute 300 seconds DOB 150 second DOM During routine operation of the unit with no power interruptions the compressor will operate on demand with no delay Typical Settings f...

Page 21: ...rge quantity 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...

Page 22: ...38 587 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...

Page 23: ...Ckt C Ckt A Ckt B Ckt C H12AA A0Z A03 A05 230 208 1 1 1 1 9 20 27 15 20 30 14 12 10 14 12 10 H24AA A00 A0Z A04 A05 A08 A10 230 208 1 1 1 1 1 1 21 25 30 46 56 30 30 30 50 60 10 10 10 8 6 10 10 10 10 1...

Page 24: ...8 6 3 10 10 10 8 60 26 60 30 6 10 10 10 H60LA B00 B0Z B03 B05 B09 B15 230 208 3 1 1 1 1 1 27 27 27 35 53 40 40 40 40 60 8 8 8 8 6 10 10 10 10 10 H72LA A00 A0Z A05 A10 A15 230 208 1 1 1 1 1 or 2 58 58...

Page 25: ...5 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 15...

Page 26: ...7 13650 14 4 10240 5 20 8 17540 18 1 13275 12 0 17065 10 4 12799 6 14 4 20500 12 5 15360 8 33 3 27300 28 8 20475 9 21 7 30600 18 7 23030 10 41 6 34130 36 2 25600 15 62 5 51250 54 0 38400 36 2 51200 3...

Page 27: ...A A05 X X EHW6TA B03 X EHW6TA B06 X EHW72A A10B X EHW72A A15B X EHW72A A20B X Circuit Breakers WMCB Pull Disconnects WMPD WMCB 03A X WMCB 05A X WMCB 08A X X WMCB 09A X X Left Hand Units H24LA A H36LA...

Page 28: ...A X BOP 2 Blank Off Plate X EWM1 E EWM1 T Economizer Bldg Equipment Enthalpy Economizer Bldg Equipment DB Temp X X EWM2 E EWM2 T Economizer Bldg Equipment Enthalpy Economizer Bldg Equipment DB Temp X...

Page 29: ...Closed Dry Contacts MV Signals Blade Switch Fail Alarm 8 on Relay Board 8 13 Blade Switch Delay Relay Normally Closed Dry Contacts MV Signals Blade Switch Fail Alarm 9 on Relay Board 9 14 Occupied Sig...

Page 30: ...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 Contac...

Page 31: ...22 21 6 Circuit Breaker 30 Low Press Control Hi Press Control Black Black Black Black White Blk Wht Black White Black White Black White Condenser Section Module Alarm Relay Indoor Delay Blower Relay F...

Page 32: ...hite Black White Black White Heat Plug SMOKE JUMPER G LOUT 20 104 Condenser Section 6 Pin Electric Module Compressor Relay Alarm Relay Delay Blower Relay Indoor Relay Filter Switch Filter Reset Button...

Page 33: ...1 12 13 4 8 18 6 33 20 104 14 109 2 110 16 111 11 112 3 113 9 117 7 118 21 116 5 121 19 136 Dual Can Capacitor LOUT 5 ECON LOUT DAMPER 128 103 B 128 3 Black White Light 113 124 Terminal Black Black B...

Page 34: ...116 Black White 121 6 131 134 128 128 124 132 Black White 132 Light 23 32 10 Black White Black Black Black White 6 5 4 3 2 1 Blk Wht Black White Black White Black White Heat Plug Condenser Section 6...

Page 35: ...2 NC 3 2 1 NO 12 PIN PLUG COM DAMPER MOTOR DAMPER BLADE IN RED BLACK BLACK IS SHOWN WITH THE CONTACT POSITION IAQ AUX1 O Y2 I 8 S BUS ACT 24V ACT RED YELLOW IAQ R MAT PLUG PLUG PLUG PLUG BROWN WHITE G...

Page 36: ...n Vent Plug Pin 2 on Vent Plug Pin 5 on Vent Plug Pin 7 on Vent Plug Pin 10 on Vent Plug Time Delay Relay T1 T2 Y HPC Lo Press Sw LPC LPC Alarm Relay ALR CC Comp Control Module R MV Controller C 4 5 W...

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