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Manual 2100-719 

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GETTING OTHER INFORMATION AND PUBLICATIONS

These publications can help when installing the air 
conditioner or heat pump.  They can usually be found 
at the local library or purchased them directly from the 
publisher.  Be sure to consult 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

Summary of Contents for C24H2-A

Page 1: ...ION INSTRUCTIONS C24H2 A C24H2 B C30H2 A C30H2 B C30H2 C C36H1 A C36H1 B C36H1 C C42H1 A C42H1 B C42H1 C Bard Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 719 Supersedes NEW...

Page 2: ...H 22 Table 7 Indoor Blower Performance 23 Getting Other Information and Publications 3 Wall Mount General Information Wall Mount Model Nomenclature 4 Shipping Damage 4 General 4 Duct Work 5 Filters 5...

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 Conditionin...

Page 4: ...o 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 Cond...

Page 5: ...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 duc...

Page 6: ...rs on the lag bolts 7 Secure rain flashing to wall and caulk across entire length of top See Figures 3A 3B 8 For additional mounting rigidity the return air and supply air frames or collars can be dri...

Page 7: ...s of Basic Unit for Architectural Installation Requirements Nominal MODEL WIDTH W DEPTH D HEIGHT H SUPPLY RETURN A B C B E F G I J K L M N O P Q R S T C24H2 C30H2 38 200 17 125 70 563 7 88 27 88 13 88...

Page 8: ...LEARANCE ON ALL RAIN FLASHING COMBUSTIBLE MATERIALS DUCT TOP FLASHING AT TIME OF INSTALLATION 1 4 MIN CLEARANCE FROM REQUIRED DIMENSIONS TO MAINTAIN OPENING ENTIRE LENGTH OF TOP MATERIALS NOTES OF CAU...

Page 9: ...URE 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...

Page 10: ...This 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...

Page 11: ...R 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...

Page 12: ...WALL OPENING W GRILLE SUPPLY DUCT MAYBE LOCATED IN AN ATTIC OR BELOW CEILING RAFTERS AS SHOWN CEILING RAIN RETURN AIR SLEEVE WALL SUPPLY AIR DUCT RAFTERS RAFTERS RETURN AIR OPENING W GRILLE RAIN FALSE...

Page 13: ...cess panel straight out This tab will now line up with the slot in the door When shut a padlock may be placed through the hole in the tab preventing entry See Start Up section for important informatio...

Page 14: ...iple 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...

Page 15: ...However reverse operation for over one hour may have a negative impact on the bearing due to oil pump out NOTE If compressor is allowed to run in reverse rotation for several minutes the compressor s...

Page 16: ...ump control will place the system in the defrost mode During the defrost mode the refrigerant cycle switches back to the cooling cycle the outdoor motor stops electric heaters are energized and hot ga...

Page 17: ...res the control will then monitor the low pressure switch input normally to make sure that the switch is closed during Y operation High Pressure Switch Operation The control has a built in lockout sys...

Page 18: ...RV C and B C 1 Check control circuit wiring 2 Replace heat pump control Reversing valve solenoid coil defective Check for open or shorted coil Replace solenoid coil Unit will not go into defrost heati...

Page 19: ...36 29157 74 10762 112 4464 1 88139 37 28355 75 10501 113 4367 0 85371 38 27577 76 10247 114 4274 1 82699 39 26823 77 10000 115 4182 2 80121 40 26092 78 9760 116 4093 3 77632 41 25383 79 9526 117 4006...

Page 20: ...th this refrigerant charge quantity The following pressure tables show nominal pressures for the units Since many installation specific situations can affect the pressure readings this information sho...

Page 21: ...GH SIDE 133 302 133 321 133 341 134 365 136 391 137 418 138 449 141 481 143 516 146 553 80 DB 67 WB LOW SIDE HIGH SIDE 142 310 142 329 142 350 143 374 145 401 146 429 148 460 151 493 153 529 156 567 8...

Page 22: ...60 1 1 22 30 10 10 A04 1 42 50 8 10 AS8 1 48 50 8 10 AF8 1 or 2 63 70 6 8 22 42 30 45 10 8 10 10 C24H2 B0Z 230 208 60 3 1 15 20 12 12 B06 1 33 35 8 10 B09 1 42 45 8 10 C30H2 A0Z 230 208 60 1 1 23 30 1...

Page 23: ...hese units are equipped with a variable speed ECM indoor motor that automatically adjusts itself to maintain approximately the same rate of indoor airflow in both heating cooling dry wet coil conditio...

Page 24: ...it s air noise cabinet duct or motor noise interview customer if necessary Air noise High static creating high blower speed Is airflow set properly Does removing filter cause blower to slow down Check...

Page 25: ...is correct for your application Refer to the manufacturer s authorized replacement list USING THE WRONG CONTROL WILL RESULT IN IMPROPER OR NO BLOWER OPERATION Orient the control module so that the 3 w...

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