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- Bard
- Air Conditioner
- H24AA-A
- Installation Instructions Manual
Bard H24AA-A Installation Instructions Manual
Summary of H24AA-A
Page 1
Page 1 of 28 wall-mounted packaged air conditioner models: installation instructions h24aa-a h36aa-a h42aa-a h48aa-a h60aa-a h24la-a h36la-a h42la-a h48la-a h60la-a bard manufacturing company, inc. Bryan, ohio 43506 www.Bardhvac.Com manual: 2100-647 supersedes: new date: 9-3-15.
Page 2: Contents
Manual 2100-647 page 2 of 28 figures figure 1 unit dimensions .................................. 7 figure 2a h24 mounting instructions ................... 8 figure 2b h36 mounting instructions ................... 9 figure 2c h42, 48, 60 mounting instructions ..... 10 figure 3 electric heat clearance...
Page 3
Manual 2100-647 page 3 of 28 getting other information and publications these publications can help when installing the furnace. They can usually be found at the local library or purchased directly from the publisher. Be sure to consult the current edition of each standard. National electrical code ...
Page 4: Warning
Manual 2100-647 page 4 of 28 wall mount general information air conditioner wall mount model nomenclature h 42 a 4 – 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 th...
Page 5
Manual 2100-647 page 5 of 28 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 s...
Page 6: Warning
Manual 2100-647 page 6 of 28 failure to provide the 1/4" clearance between the supply duct and a combustible surface for the first 3' of duct can result in fire causing damage, injury or death. ! Warning installation wall mounting information 1. Two holes for the supply and return air openings must ...
Page 7
Manual 2100-647 page 7 of 28 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 h24a, l 33.300 17.125 70.563 7.88 19.88 11.88 19.88 35.00 11.00 25.75 20.56 26.75 28.06 29.25 27.00 2.63 34.13 22.06 10.55 4.19 12.00 5.00 h36a, l 38.200 17.125 70.563 7.88 27.88 13....
Page 8
Manual 2100-647 page 8 of 28 figure 2a h24aa, h24la mounting instructions 12" 12" 12" 12" 12" 20" 20" 1" 3" 4" ty p. 8" 20 1 2 " 12" 1" 3 1 8 " 4" ty p. 5" 7 8 " 3 13 16 " 2" 2" 7 1 16 " 7 1 16 " notes: ra in fl ash ing re turn air hea ter access en ti re len gth of to p. Top wa ll of cau lk in g al...
Page 9
Manual 2100-647 page 9 of 28 figure 2b h36aa, h36la mounting instructions 28" a c d c 12" 12" 12" 12" 12" 5 1 16 " b e 14" 4 11 16 " 4 11 16 " 4" ty p. 2 7 8 " 7 8 " 7 8 " 4" ty p. 7 8 " 3 1 8 " supp lied h*a un it sh ow n, h* lun it mis -3659 supp ly air en ti re len gth of to p. Top of cau lk in g...
Page 10
Manual 2100-647 page 10 of 28 figure 2c h42aa, h42la, h48aa, h48la, h60aa, h60la 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 ...
Page 11: Warning
Manual 2100-647 page 11 of 28 figure 3 electric heat clearance warning a minimum of 1/4" clearance must be maintained between the supply air duct and combustible materials. This is required for the first 3' of ducting. It is important to insure that the 1/4" minimum spacing is maintained at all poin...
Page 12
Manual 2100-647 page 12 of 28 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 openi...
Page 13
Manual 2100-647 page 13 of 28 figure 6 common wall mounting installations 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...
Page 14
Manual 2100-647 page 14 of 28 wiring – low voltage wiring low voltage connection these units use a 24-volt ac low voltage circuit. Tables 11 – 13 on pages 23 – 25 show the low voltage connections for units operated with the mv series controller, mc series controller or connected directly to a coolin...
Page 15: Warning
Manual 2100-647 page 15 of 28 failure to conform to these practices could lead to damage, injury or death. ! Warning 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 e...
Page 16
Manual 2100-647 page 16 of 28 high pressure and low pressure switches all h**a/h**l wall mounted air conditioner series models are supplied with a remote reset for the high and low pressure switches. The first time the high or low pressure switches are tripped, they will reset automatically. If trip...
Page 17
Manual 2100-647 page 17 of 28 adjustments adjustable delay-on-make and delay-on-break timer the potentiometer is used to select delay-on-break time from 30 seconds to 5 minutes. Delay-on-make (dom) timing on power up and after power interruptions is equal to 2 minutes plus 10% of delay-on-break (dob...
Page 18
Manual 2100-647 page 18 of 28 service figure 7 fan blade setting table 2 fan blade dimension removal of fan shroud 1. Disconnect all power to the unit. 2. Remove the screws holding both grilles, one on each side of unit, and remove grilles. 3. Remove nine (9) screws holding fan shroud to condenser a...
Page 19
Manual 2100-647 page 19 of 28 table 3 cooling pressure 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 system, the ...
Page 20
Manual 2100-647 page 20 of 28 table 4a electrical specifications h***a series table 4b electrical specifications h***l series these “minimum circuit ampacity” values are to be used for sizing the field power conductors. Refer to the national electrical code (latest version), article 310 for power co...
Page 21
Manual 2100-647 page 21 of 28 model nominal rated cfm * nominal rated esp * recommended airflow range factory speed connection 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 - ...
Page 22
Manual 2100-647 page 22 of 28 table 9 optional accessories right hand units h24 a a-a h36 a a-a h42 a a-a h48 a a-a h60 a a-a heater kits ehwa02-a05b x ehw02a-a08b x ehwa02a-a10b x ehwa24-a04b x ehwa03-a05b x ehwa03-a08b x ehwa03-a10b x ehwa03-a15b x ehw4ta-a05 x x ehwa05-a10b x x x ehwa05-a15b x x ...
Page 23
Manual 2100-647 page 23 of 28 terminal description mv terminal connection series "2" reference 1 compressor on output signal from jade to mv "a" on relay board "a" 2 24vac hot from terminal 2 connected to unit transformer to mv "r" on relay board "r" 3 24vac common from unit transformer to mv "c" on...
Page 24
Manual 2100-647 page 24 of 28 terminal description mc terminal connection series "2" reference 1 compressor on output signal from jade to mc "a" on relay board "a" 2 24vac hot from terminal 2 connected to unit transformer to mc "r" on relay board "r" 3 24vac common from unit transformer to mc "c" on...
Page 25
Manual 2100-647 page 25 of 28 terminal description mc terminal connection series "2" reference 1 compressor on output signal from jade not used "a" 2 24vac hot from terminal 2 connected to unit transformer to thermostat "r" on tstat "r" 3 24vac common from unit transformer to thermostat "c" on tstat...
Page 26
Manual 2100-647 page 26 of 28 figure 8a h***a wiring diagram – top *d is co nn ec t pow er bef or e ! Da ng er *e lectric al sh oc k ha za rd ser vicin g. Ifo pti on not a w ires connect used fi eld low vol tage hi gh vol tage opti onal fac tory us e co pper co nd uc to rs on ly suit ab le for a t l...
Page 27: D C
Manual 2100-647 page 27 of 28 *d isc on ne ct p ow er bef ore ! Dan ger *e le ct ri ca l s ho ck hazard s erv ic in g. Us e c opp er c on du ct ors on ly s ui ta bl e fo r a t le ast 75 ° c. War ni ng ! St art kit (op t.) c r s co mp ressor m ixed air tem perat ure sens or 46 1st st ag e cool ing in...
Page 28
Manual 2100-647 page 28 of 28 figure 9 h***a low voltage ladder diagram for unit and mv connections low voltage terminal strip 3 2 10 11 6 20 9 16 17 18 12 13 21 4 19 1 5 7 hot common 8 14 15 filter light filter switch filter reset button r on compressor control module filter relay pin 6 on heater p...