Bard H24A2-A User Manual Download

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WALL MOUNTED PACKAGED

AIR CONDITIONER

Models:

INSTALLATION INSTRUCTIONS

Bard Manufacturing Company, Inc.

Bryan, Ohio 43506
www.bardhvac.com

Manual :

2100-585C

Supersedes: 2100-585B

Date: 10-22-14

H24A2-A

H36A2-A

H42A2-A

H48A2-A

H60A2-A

H24L2-A

H36L2-A

H42L2-A

H48L2-A

H60L2-A

Summary of Contents for H24A2-A

Page 1: ...CONDITIONER Models INSTALLATION INSTRUCTIONS Bard Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 585C Supersedes 2100 585B Date 10 22 14 H24A2 A H36A2 A H42A2 A H48A2 A H60A2 A H24L2 A H36L2 A H42L2 A H48L2 A H60L2 A ...

Page 2: ...ly 20 Table 7 Electric Heat 21 Table 8 Optional Accessories 21 Table 9 Vent and Control Options 22 Getting Other Information and Publications 3 Wall Mount General Information 4 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 Minimum Clearances 6 Clearances Required 6 Wiring Main Powe...

Page 3: ...nter 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 T...

Page 4: ... 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 ...

Page 5: ...t 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 inch Any grille that meets with 5 8 inch louver criteria may be used It is recommend...

Page 6: ... flashing to wall and caulk across entire length of top See Figure 2 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 inches clearance on right side to...

Page 7: ...nting Side Wall Location Shipping Flashing Entrances Electrical Optional Entrance Electrical High Voltage Entrance Electrical Low Voltage Top Rain models non Econ vent door for Standard flush Lockable Access Panel Heat Electric Disconnect Panel Access Heater C Breaker Built In Rain Hood 4 Pitch Ventilation Air Dimensions of Basic Unit for Architectural Installation Requirements Nominal MODEL WIDTH...

Page 8: ...OF 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 View SEAL WITH BEAD IT IS RECOMMENDED THAT A BEAD OF SILICONE CAULKING BE PLACED BEHIND SUPPLY AIR SUPPLIED Return Opening Supply Opening H A UNIT SHOWN H L UNIT CONTROLS AND HEATER ACCESS IS ON OPP...

Page 9: ... 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 DUCT RETURN AIR Right Side View SEAL WITH BEAD IT IS RECOMMENDED THAT A BEAD OF WALL Wall Opening and Hole Location View Return Opening 16 7 8 4 7 16 4 5 8 9 7 8 29 7 8 17 5 8 3 11 16 5 3 8 8 3 8 28...

Page 10: ...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 THE SIDE MOUNTING FLANGES AND UNDER TOP FLASHING AT TIME OF INSTALLATION TOP PANEL HEATER ACCESS FOUR SIDES OF SUPPLY AIR DUCT IS REQUIRED FROM COMBUSTABLE WALL 1 4 CLEARANCE ON ALL MATERIALS Supply Openi...

Page 11: ...his is required for the first 3 feet of ducting It is important to insure that the 1 4 inch 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 NOTE 1 SIDE SECTION VIEW OF SUPPLY AIR DUCT FOR WALL MOUNTED UNIT SHOWING 1 4 INCH CLEARANCE TO COMBUSTIBLE SURFACES ...

Page 12: ...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 WALL OPENING FOR ACTUAL DIMENSIONS 2 x 4 S 2 x 6 S OR STRUCTURAL STEEL ATTACH TO TOP 1 000 CLEARANCE 1 000 CLEARANCE PLATE OF WALL C SEE UNIT DIMENSIONS FIGURE 2 OPENING RETURN DUCT 2 x 6 ATTACH TO BOTTOM OVER FRAME...

Page 13: ...TIC SUPPLYAIRDUCT SUPPLYAIRDUCT SUPPLYAIRDUCT RETURNAIR OPENINGW GRILLE OUTSIDE W GRILLE FALSEWALLINSTALLATION CEILING RAIN FLASHING RAIN FLASHING SUPPLYDUCTMAYBELOCATEDINANATTIC ORBELOWCEILINGRAFTERSASSHOWN FINISHEDCEILING WALL CLOSETWALL SURFACE OPENINGW GRILLE SLEEVE ORBELOWCEILINGRAFTERSASSHOWN SUPPLYAIRDUCT OUTSIDE WALLSLEEVE SUPPLYDUCTMAYBELOCATEDINANATTIC ORBELOWCEILINGRAFTERSASSHOWN FINISH...

Page 14: ...the 24V transformer output and the R terminal is the 24VAC hot terminal for the operation of the equipment RT and R are connected with brass jumper bar which can be removed and RT and R connected to external NC normally closed contact such as a fire smoke detector that will cause immediate shutdown of the equipment upon activation C terminal is grounded G terminal is the fan input Y terminal is th...

Page 15: ...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 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...

Page 16: ... 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 on break time has expired If the high pressure switch opens again in this same operating cycle the unit will ...

Page 17: ...t charge 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 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 seri...

Page 18: ...73 132 501 134 529 135 558 136 586 80 67 Low Side High Side 128 348 130 375 133 402 135 429 138 457 139 485 141 514 143 543 144 572 145 601 85 72 Low Side High Side 132 360 135 388 138 416 140 444 143 473 144 502 146 532 148 562 149 592 150 622 H42A L 75 62 Low Side High Side 123 320 124 342 126 367 128 391 130 416 132 443 134 469 136 496 137 526 139 554 80 67 Low Side High Side 132 328 133 351 13...

Page 19: ...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 H60A2 A00 A0Z A05 A10 A15 A20 230 208 1 1 1 1 1 or 2 1 or 2 42 42 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 MODEL Rated Volts Phase No Field Power Circuits Single Circuit Dual Circuit Minimum Circuit Ampacity Maximum External Fuse or Ckt Brkr Field Power Wire ...

Page 20: ...15 1400 1365 1225 1185 1660 1610 1125 1085 TABLE 6 MAXIMUM ESP OF OPERATION ELECTRIC HEAT ONLY Values shown are for units equipped with standard 1 inch throwaway filter or 1 inch washable filter Derate ESP by 15 for 2 inch pleated filters Model H24A L H36A L H42A L H48A L H60A L Outlet FRONT FRONT TOP FRONT FRONT Speed Single High Low High Low High Low High Low A0Z A04 A05 A08 A10 A15 A20 50 50 50...

Page 21: ...D WMCB 03A X WMCB 05A X WMCB 08A X X WMCB 09A X Left Hand Units H24L2 A H36L2 A H42L2 A H48L2 A H60L2 A Heater Kits EHWA02A A05L X EHW02A A08L X EHWA02 A10L X EHWA03 A05L X EHWA03 A10L X EHWA03 A15L X EHWA05 A05L X X X EHWA05 A10L X X X EHWA05 A15L X X X Circuit Breakers WMCB Pull Disconnects WMPD WMCB 03A X WMCB 05A X WMCB 08A X X WMCB 09A X TABLE 7 ELECTRIC HEAT Models KW 240V 1 208V 1 Amps BTUH...

Page 22: ...DDC X X CMC 24 DDC X CMC 28 LAC X X X BOP 2 Blank Off Plate X EWM2 E EWM2 T Economizer Bldg Equipment Enthalpy Economizer Bldg Equipment DB Temp X X 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 ...

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