Bard H42A2-A Installation instructions manual

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Manual is about: WALL MOUNTED PACKAGED AIR CONDITIONERS

Summary of H42A2-A

  • Page 1

    Page 1 of 19 wall mounted packaged air conditioners models: installation instructions bard manufacturing company, inc. Bryan, ohio 43506 www.Bardhvac.Com manual : 2100-585b supersedes: 2100-585a date: 10-09-14 h42a2-a h48a2-a h60a2-a h42l2-a h48l2-a h60l2-a.

  • Page 2: Contents

    Manual 2100-585b page 2 of 19 contents figures figure 1 unit dimensions ...................................... 7 figure 2 mounting instructions - h42, 48, 60 ........ 8 figure 3 electric heat clearance .......................... 9 figure 4 wall mounting instructions .................... 10 figure 5 ...

  • Page 3

    Manual 2100-585b page 3 of 19 getting other information and publications these publications can help you install the air conditioner or heat pump. You can usually find these at your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard. Natio...

  • Page 4

    Manual 2100-585b page 4 of 19 wall mount general information air conditioner wall mount model nomenclature h 42 a 2 – a 05 y p x x x j 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 t...

  • Page 5

    Manual 2100-585b page 5 of 19 duct work 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 ...

  • Page 6: Warning

    Manual 2100-585b page 6 of 19 minimum clearances required to combustible materials models supply air duct first three feet cabinet h42a, l / h48a, l h60a, l 1/4" 0" clearances required for service access and adequate condenser airflow models left side right side h42a, h48a, h60a 20" 20" h42l, h48l, ...

  • Page 7

    Manual 2100-585b page 7 of 19 dimensions of basic unit for architecural & installation requirements (nominal) not used when ewm economizer is installed. Filter access is through the ewm hood. Not used when ewm economizer is installed. Filter access is through the ewm hood. 1 mis-3624 electric heat f...

  • Page 8

    Manual 2100-585b page 8 of 19 figure 2 h42a2, h42l2, h48a2, h48l2, h60a2, h60l2 mounting instructions d 16" 16" 16" 16" 16" 1 7 8 " 6 1 2 " 6 1 2 " 2 1 8 " 7 8 " 1" 3" 4" ty p. 4" ty p. 6 1 2 " 30" e 16" a c c 3 1 8 " b w all opening and hole loc ation view re turn air 1 req ui re d di m en sio ns t...

  • Page 9: Warning

    Manual 2100-585b page 9 of 19 figure 3 electric heat clearance h42a2, h42l2, h48a2, h48l2, h60a2, h60l2 warning a minimum of 1/4 inch clearance must be maintained between the supply air duct and combustible materials. This is required for the first 3 feet of ducting. It is important to insure that t...

  • Page 10

    Manual 2100-585b page 10 of 19 figure 4 wall mounting instructions figure 5 wall mounting instructions duct opening return air supply air wood frame wall installation opening wall before mount on unit opening before installation bottom mounting concrete block wall installation bracket. Mount on open...

  • Page 11

    Manual 2100-585b page 11 of 19 figure 6 common wall mounting installations rafters ducted supply rafters rafters rafters false wall outside wall no duct supply air grille return at unit wall raised floor return air lowered grille return air wall ceiling surface space return air return air grille wal...

  • Page 12

    Manual 2100-585b page 12 of 19 wiring – main power refer to the unit rating plate for wire sizing information and maximum fuse or circuit breaker size. Each outdoor unit is marked with a “minimum circuit ampacity”. This means that the field wiring used must be sized to carry that amount of current. ...

  • Page 13: Warning

    Manual 2100-585b page 13 of 19 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 p...

  • Page 14

    Manual 2100-585b page 14 of 19 start up (continued) condenser fan operation applies to h42, h48 and h60 models only. Note: certain models may be equipped with a low ambient control (lac), and if so equipped the condenser fan motor will have delay start until system refrigerant operationg pressure bu...

  • Page 15: R-410A

    Manual 2100-585b page 15 of 19 troubleshooting figure 7 fan blade setting table 1 fan blade dimension 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 ...

  • Page 16

    Manual 2100-585b page 16 of 19 table 2 cooling pressure table air temperature entering outdoor coil °f 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 syste...

  • Page 17

    Manual 2100-585b page 17 of 19 table 3 electrical specifications 1-stage compressor models model rated volts & phase no. Field power circuits single circuit dual circuit l minimum circuit ampacity maximum external fuse or ckt. Brkr. K field power wire size k ground wire l minimum circuit ampacity ma...

  • Page 18

    Manual 2100-585b page 18 of 19 table 4 recommended airflow table 5 indoor blower performance table 6 electric heat speed h42/48 h60 high low high low esp (inch h20) dry coil wet coil dry coil wet coil dry coil wet coil dry coil wet coil 0.0 1850 1800 1605 1555 2080 2015 1505 1460 0.1 1775 1725 1545 ...

  • Page 19

    Manual 2100-585b page 19 of 19 table 7 optional accessories table 8 vent & control options h42, h48, h60 n/a cmc-15 start kit (230v 1-phase) x b bop-5 blank off plate x y ewm5-t* 100% economizer temperature x z ewm5-e* 100% economizer enthalpy x f n/a 100% economizer dc temperature x g n/a 100% econ...