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Bard W18H2-A Installation Instructions Manual

Manual is about: WALL MOUNTED PACKAGE

Summary of W18H2-A

  • Page 1

    Page 1 of 28 wall mounted package heat pump models: installation instructions w18h2-a w24h2-a w24h2-b w24h2-c w30h2-a w30h2-b w30h2-c w36h2-a w36h2-b w36h2-c bard manufacturing company, inc. Bryan, ohio 43506 www.Bardhvac.Com manual: 2100-604a supersedes: 2100-604 date: 2-1-16 w42h2-a w42h2-b w42h2-...

  • Page 2: Contents

    Manual 2100-604a page 2 of 28 figures figure 1 fresh air damper assembly.................... 5 figure 2 unit dimensions ................................... 7 figure 3a mounting instructions w18, w24 ........... 8 figure 3b mounting instructions w30, w36 ........... 9 figure 3c mounting instructions ...

  • Page 3

    Manual 2100-604a 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

    Manual 2100-604a page 4 of 28 wall mount general information heat pump wall mount model nomenclature w 42 h 2 – a 10 x x x x x a note: vent options x, b and m are without exhaust capability. May require separate field-supplied barometric relief in building. Shipping damage upon receipt of equipment,...

  • Page 5

    Manual 2100-604a 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 ...

  • Page 6: Installation

    Manual 2100-604a page 6 of 28 clearances required for service access and adequate condenser airflow models left side right side w18h, w24h, w30h, w36h 15" 20" w42h, w48h, w60h 20" 20" minimum clearances required to combustible materials models supply air duct first 3' cabinet w18h, w24h 0" 0" w30h, ...

  • Page 7

    Manual 2100-604a page 7 of 28 3" 11" 7.88 1.00 31.88 heat models. Electric hood for econwmt mis-2487 g 1 1 1 condenser filter access panel front view air outlet standard flush vent door for non-erv/ econ. Models ventilation air 5.88 f w g low voltage electrical entrance high voltage side view drain ...

  • Page 8

    Manual 2100-604a page 8 of 28 figure 3a w18h2, w24h2 mounting instructions 12" 12" 12" 1" 12" 20" 20" " 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 12" ri gh ts ide vi ew re turn air duct is on opp os it e (l eft) si de. Open ing en ti re l en gt h of t o...

  • Page 9

    Manual 2100-604a page 9 of 28 figure 3b w30h2, w36h2 mounting instructions d 12" 12" 12" 12" 12" c c a 28" 1" 3" 4" ty p. 4 1 2 " b e 14" 1" 3 1 8 " 4" ty p. 5" 4 1 2 " 7 8 " re turn a ir su pp li ed re tu rn o pe nin g 16 7 /8 4 9/ 16 4 1/2 10 30 17 5 /8 3 13 /1 6 5 1/4 8 1/2 28 1 /2 e d c b a co m...

  • Page 10

    Manual 2100-604a page 10 of 28 figure 3c w42h2, w48h2, w60h2 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 lo ca tion view re turn air 1 req ui re d di m en sio ns to m ai nt ain 1/4"...

  • Page 11: Warning

    Manual 2100-604a page 11 of 28 figure 4 electric heat clearance w30h2, w36h2, w42h2, w48h2, w60h2 warning a minimum of 1/4" clearance must be maintained between the supply air duct and combustible materials. This is required for the first 3ʹ of ducting. It is important to insure that the 1/4" minimu...

  • Page 12

    Manual 2100-604a page 12 of 28 figure 5 wall mounting instructions figure 6 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 13

    Manual 2100-604a page 13 of 28 figure 7 common wall mounting installations lowered raised floor rafters supply air ceiling surface wall sleeve return air closet wall grille flashing return air flashing supply duct maybe located in an attic or below ceiling rafters as shown supply duct may be located...

  • Page 14

    Manual 2100-604a page 14 of 28 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 15: Start Up

    Manual 2100-604a page 15 of 28 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 ps...

  • Page 16

    Manual 2100-604a page 16 of 28 important installer note for improved start up performance, wash the indoor coil with a dishwashing detergent. High and low pressure switch all w**h wall mounted air conditioner series models are supplied with a remote reset for the high and low pressure switch. If tri...

  • Page 17

    Manual 2100-604a page 17 of 28 sequence of operation cooling – circuit r-y makes at thermostat pulling in compressor contactor, starting the compressor and outdoor motor. The g (indoor motor) circuit is automatically completed on any call for cooling operation or can be energized by manual fan switc...

  • Page 18

    Manual 2100-604a page 18 of 28 120* sw 1 sw 2 time (sec) off off on on off on off on 30 60 180 mis-2668 a off low pressure bypass timer switch *(factory setting 120 seconds) accumulated defrost time timer (factory setting 60 min.) on mis-2668a figure 8 defrost control board pressure will rise fairly...

  • Page 19: Service

    Manual 2100-604a page 19 of 28 service solid state heat pump control troubleshooting procedure 1. Note: a thorough understanding of the defrost cycle sequence is essential. Review that section earlier in this manual prior to troubleshooting the control. Turn on ac power supply to unit. 2. Turn therm...

  • Page 20

    Manual 2100-604a page 20 of 28 checking temperature sensor outside unit circuit 1. Disconnect temperature sensor from board and from outdoor coil. 2. Use an ohmmeter and measure the resistance of the sensor. Also use ohmmeter to check for short or open. 3. Check resistance reading to chart of resist...

  • Page 21

    Manual 2100-604a page 21 of 28 figure 9 fan blade setting mis-1724 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 screws holding fan shroud to condenser and...

  • Page 22

    Manual 2100-604a page 22 of 28 table 3a – cooling pressure table 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 charge should be removed, syste...

  • Page 23

    Manual 2100-604a page 23 of 28 table 4a 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 conductor sizing. Caution: when more than one field power circuit is run through one con...

  • Page 24

    Manual 2100-604a page 24 of 28 table 4b 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 conductor sizing. Caution: when more than one field power circuit is run through one con...

  • Page 25

    Manual 2100-604a page 25 of 28 table 5 recommended airflow table 6 indoor blower performance model rated cfm * rated esp * recommended airflow range factory speed connection w18h 600  .30 575 - 725 high w24h 800 .20 700 - 950 high w30h 1000 .40 930 - 1300 high w36h 1100 .30 930 - 1350 high w42h 140...

  • Page 26

    Manual 2100-604a page 26 of 28 tables 7 maximum esp of operation electric heat only table 8 electric heat model speed kw w42h w48h w60h high speed low speed high speed low speed high speed low speed -a00 -a04 -a05 -a10 -a15 -a20 .50 ----- .50 .50 .50 ----- .50 ----- .50 .45 .45 ----- .50 .50 .50 .50...

  • Page 27

    Manual 2100-604a page 27 of 28 w18h2-a w24h2-a w24h2-b w24h2-c w30h2-a w30h2-b w30h2-c w36h2-a w36h2-b w36h2-c w42h2-a w42h2-b w42h2-c w48h2-a w48h2-b w48h2-c w60h2-a w60h2-b w60h2-c table 9 optional accessories ehwh02a-a04 x ehwh02a-a08 x ehw24h-a04 x ehw24h-a08 x ehw24h-b06 x ehwh30-a05 x ehwh30-a...

  • Page 28

    Manual 2100-604a page 28 of 28 table 10 vent and control options w18, w24 w30, w36 w42, w48, w60 part number description cmc-14 odt x x x cmc-15 start kit (230v 1-phase only)  x x x sk111 start kit (230v 1-phase only)  x x x cmc-28 lac x x x bfad-2 barometric fresh air damper - standard x bop-2 bl...