1. DL manuals
  2. Bard
  3. Heat Pump
  4. S26H1-A
  5. Installation Instructions Manual

Bard S26H1-A Installation Instructions Manual

Manual is about: WALL MOUNTED PACKAGED HEAT PUMP

Summary of S26H1-A

  • Page 1

    Page 1 of 29 refer to supplemental instruction 7960-593 (latest revision) for dedicated dehumidification information. Wall mounted packaged heat pump models: installation instructions s26h1-a s26h1-b s26h1-c s31h1-a s31h1-b s31h1-c s38h1-a s38h1-b s38h1-c s43h1-a s43h1-b s43h1-c s49h1-a s49h1-b s49h...

  • Page 2: Contents

    Manual 2100-527h page 2 of 29 contents figures figure 1 fresh air damper assembly ..................... 5 figure 2 unit dimensions ....................................... 7 figure 3a mounting instructions s/w26 & 31 ........... 8 figure 3b mounting instructions s/w38, 43, 49 ....... 9 figure 4 elect...

  • Page 3

    Manual 2100-527h page 3 of 29 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 2100-527h page 4 of 29 wall mount general information heat pump wall mount model nomenclature s 38 h 1 – 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 2100-527h page 5 of 29 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 2100-527h page 6 of 29 clearances required for service access and adequate condenser airflow models left side right side s26h, s31h w26h, w31h 15" 20" s38h, s43h, s49h, s61h w38h, w43h, w49h, w61h 20" 20" minimum clearances required to combustible materials models supply air duct first three ...

  • Page 7

    Manual 2100-527h page 7 of 29 panel filter access vent option door ventilation air front view 5.75 f w g condenser air inlet mis-2763 rain hood (lockable) built in 4° pitch entrance disconnect access panel electrical entrance low voltage panel access heater heat electric c. Breaker/ high voltage ele...

  • Page 8

    Manual 2100-527h page 8 of 29 figure 3a s26h1, s31h1, w26h1, w31h1 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 ...

  • Page 9

    Manual 2100-527h page 9 of 29 figure 3b s38h1, s43h1, s49h1, w38h1, w43h1, w49h1 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...

  • Page 10: Warning

    Manual 2100-527h page 10 of 29 figure 4 electric heat clearance 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 the 1/4 inch minimum spacing is maintaine...

  • Page 11

    Manual 2100-527h page 11 of 29 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 12

    Manual 2100-527h page 12 of 29 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 13

    Manual 2100-527h page 13 of 29 wiring – main power refer to the unit rating plate for wire sizing information and maximum fuse or “hacr” type 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 ...

  • Page 14

    Manual 2100-527h page 14 of 29 optional outdoor thermostat applications since most equipment at the time of manufacture is not designated for any specific destination of the country and are installed in areas not approaching the lower outdoor temperature range, outdoor thermostats are not factory in...

  • Page 15

    Manual 2100-527h page 15 of 29 electric heat hold-off (see figures 10 & 11) in other applications, it is desirable to disable the operation of the electric heat until outdoor temperatures have reached a certain design point. This won't allow the electric heat to come on as second stage heating unles...

  • Page 16: Start Up

    Manual 2100-527h page 16 of 29 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 17: Start Up (Continued)

    Manual 2100-527h page 17 of 29 start up (continued) important installer note for improved start up performance wash the indoor coil with a dish washing detergent. High & low pressure switch all s**h and w**h wall mounted air conditioner series models are supplied with a remote reset for the high and...

  • Page 18

    Manual 2100-527h page 18 of 29 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 19

    Manual 2100-527h page 19 of 29 120* 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 figure 12 defrost control board low pressure switch bypass operati...

  • Page 20: Troubleshooting

    Manual 2100-527h page 20 of 29 troubleshooting table 3 troubleshooting sympton description, check & possible cause what & how to check/repair compressor will not start (heating or cooling) 1. Check for led illumination. Is there an led illuminated on the board (flashing)? Yes = go to step #2; no = g...

  • Page 21

    Manual 2100-527h page 21 of 29 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 22: R-410A

    Manual 2100-527h page 22 of 29 troubleshooting figure 13 fan blade setting table 4 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 screws holding fan shroud to condenser ...

  • Page 23

    Manual 2100-527h page 23 of 29 table 5a 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, system ...

  • Page 24

    Manual 2100-527h page 24 of 29 table 6a 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, system ...

  • Page 25

    Manual 2100-527h page 25 of 29 table 7a 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 26

    Manual 2100-527h page 26 of 29 table 7b electrical specifications — w**h 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 conductor sizing. Caution: when more than one fi...

  • Page 27

    Manual 2100-527h page 27 of 29 tables 8 indoor blower performance cfm at 230 or 460 volts table 9a s**h indoor blower performance - cfm (0.00" — 0.50" h 2 0)  table 9b w**h indoor blower performance - cfm (0.00" — 0.50" h 2 0)  note: these units are equipped with a variable speed (ecm) indoor moto...

  • Page 28: Troubleshooting  Ge  Ecm

    Manual 2100-527h page 28 of 29 troubleshooting ge ecm ™ motors caution: disconnect power from unit before removing or replacing connectors, or servicing motor. To avoid electric shock from the motor’s capacitors, disconnect power and wait at least 5 minutes before opening motor. Symptom cause/proced...

  • Page 29: Troubleshooting  Ge  Ecm

    Manual 2100-527h page 29 of 29 troubleshooting ge ecm ™ motors cont’d. Replacing ecm control module to replace the control module for the ge variable-speed indoor blower motor you need to take the following steps: 1. You must have the correct replacement module. The controls are factory programmed f...