Bard H24A4-A Installation Instructions Manual Download

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WALL MOUNTED PACKAGED

AIR CONDITIONER

Models:

INSTALLATION INSTRUCTIONS

H24A4-A
H36A4-A
H42A4-A
H48A4-A
H60A4-A

H24L4-A
H36L4-A
H42L4-A
H48L4-A
H60L4-A

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

Manual: 2100-639A
Supersedes: 2100-639
Date: 7-27-16

Summary of Contents for H24A4-A

Page 1: ...CONDITIONER Models INSTALLATION INSTRUCTIONS H24A4 A H36A4 A H42A4 A H48A4 A H60A4 A H24L4 A H36L4 A H42L4 A H48L4 A H60L4 A Bard Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 210...

Page 2: ...ional Accessories 22 Table 10 Vent and Control Options 22 Table 11 Unit Low Voltage Terminal Connection Chart MV Series Controller 23 Table 12 Unit Low Voltage Terminal Connection Chart MC Series Cont...

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: ...hould 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...

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: ...ng 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...

Page 7: ...ting 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...

Page 8: ...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 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...

Page 10: ...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 S...

Page 11: ...ls 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 materia...

Page 12: ...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 13: ...ssure 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...

Page 14: ...oor 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 2 Remove hood cover 3 Remove...

Page 15: ...eing 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 charg...

Page 16: ...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 Adjustable Delay on Make and De...

Page 17: ...ntacts 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 Rel...

Page 18: ...this refrigerant 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 infor...

Page 19: ...3 132 501 134 529 135 558 136 586 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...

Page 20: ...10 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...

Page 21: ...s shown are for units equipped with standard 1 throwaway filter or 1 washable filter Derate ESP by 15 for 2 pleated filters Model H24A L H36A L H42A L H48A L H60A L Outlet FRONT FRONT TOP FRONT FRONT...

Page 22: ...02 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 TABL...

Page 23: ...losed 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 Sign...

Page 24: ...sed Dry Contacts Not Used on MC 8 13 Blade Switch Delay Relay Normally Closed Dry Contacts Not Used on MC 9 14 Occupied Signal Input Econ Emergency Open Open Blade 100 Unit Receives Signal from MC E o...

Page 25: ...ter 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 S...

Page 26: ...1 C R COM 208V 240V 2 500 NC NO COM T1 HPC R Y CC ALR 30 C Module Black White Low Press Control Hi Press Control Hi Voltage Field Connections Green Brown White Yellow White Pink Purple Blue White Yell...

Page 27: ...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 28: ...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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