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Bard SH611 Installation Instructions Manual

Manual is about: WALL MOUNTED PACKAGE HEAT PUMPS

Summary of SH611

  • Page 1

    Manual 2100-411g page 1 of 23 installation instructions wall mounted package heat pumps model sh611 manual : 2100-411g supersedes: 2100-411f file: volume iii tab 17 date: 09-26-07 bard manufacturing company, inc. Bryan, ohio 43506 since 1914...Moving ahead just as planned..

  • Page 2: Contents

    Manual 2100-411g page 2 of 23 contents figures figure 1 unit dimensions .................................. 5 figure 2 fresh air damper assembly ................ 7 figure 3 mounting instructions .......................... 9 figure 4 electric heat clearance ..................... 10 figure 5 wall mount...

  • Page 3

    Manual 2100-411g page 3 of 23 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 2100-411g page 4 of 23 wall mount general information heat pump wall mount model nomenclature sh 61 1 – a 08 x x x x x b note: all vent options are without exhaust capability. May require separate field supplied barometric relief in building. Table 1 electric heat table s l e d o m a - 1 1 6 ...

  • Page 5

    Manual 2100-411g page 5 of 23 figure 1 unit dimensions sh611.

  • Page 6

    Manual 2100-411g page 6 of 23 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 the last carrier immediately, preferably in writing, requesting inspection by the carrier’s agent. General...

  • Page 7

    Manual 2100-411g page 7 of 23 figure 2 fresh air damper design the duct work according to methods given by the air conditioning contractors of america (acca). When duct runs through unheated spaces, it should be insulated with a minimum of 1-inch of insulation. Use insulation with a vapor barrier on...

  • Page 8

    Manual 2100-411g page 8 of 23 installation instructions wall mounting information 1. Two holes for the supply and return air openings must be cut through the wall as shown in figure 3. 2. On wood frame walls, the wall construction must be strong and rigid enough to carry the weight of the unit witho...

  • Page 9

    Manual 2100-411g page 9 of 23 6 5/8" 6 5/8" 1 7/8" 21" 21" 16" 16" 16" dim. "d" dim. "b" dim. "e" 16" dim. "a" dim. "c" dim. "c" 30" supply opening return opening wall bracket wall mounting hole pattern front view of wall with unit removed 1/4" clearance on all (4) sides of supply air duct is requir...

  • Page 10

    Manual 2100-411g page 10 of 23 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 2100-411g page 11 of 23 figure 5 wall mounting instructions figure 6 wall mounting instructions see figure 4 – mounting instructions see unit dimensions, figure 1, for actual dimensions.

  • Page 12

    Manual 2100-411g page 12 of 23 figure 7 common wall mounting installations.

  • Page 13

    Manual 2100-411g page 13 of 23 wiring – low voltage wiring 230 / 208v, 1 phase and 3 phase equipment dual primary voltage transformers. All equipment leaves the factory wired on 240v tap. For 208v operation, reconnect from 240v to 208v tap. The acceptable operating voltage range for the 240 and 208v...

  • Page 14

    Manual 2100-411g page 14 of 23 optional compressor cutoff thermostat (see figures 9 and 10) heat pump compressor operation at outdoor temperatures below 0°f are neither desirable nor advantageous in term of efficiency. An outdoor thermostat can be applied to take the mechanical heating (compressor) ...

  • Page 15

    Manual 2100-411g page 15 of 23 electric heat hold-off (see figures 11 and 12) 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 unl...

  • Page 16

    Manual 2100-411g page 16 of 23 low voltage connections these units use a grounded 24 volt ac low voltage circuit. The “r” terminal is the hot terminal and the “c” terminal is grounded. “g” terminal is the fan input. “y” terminal is the compressor input. “b” terminal is the reversing valve input. The...

  • Page 17

    Manual 2100-411g page 17 of 23 start up important installer note for improved start up performance wash the indoor coil with a dish washing detergent. Crankcase heaters sh611-b and -c are provided with compressor crankcase heat. All other models are not provided with crankcase heat. They are either ...

  • Page 18

    Manual 2100-411g page 18 of 23 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 2100-411g page 19 of 23 defrost cycle the defrost cycle is controlled by temperature and time on the solid state heat pump control. See figure 14. When the outdoor temperature is in the lower 40°f temperature range or colder, the outdoor coil temperature is 32°f or below. This coil temperatur...

  • Page 20

    Manual 2100-411g page 20 of 23 troubleshooting 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. Tu...

  • Page 21

    Manual 2100-411g page 21 of 23 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

    Manual 2100-411g page 22 of 23 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 and bottom. Nine (9) screws. 4. Unwire condenser fan motor. 5. Slide com...

  • Page 23

    Manual 2100-411g page 23 of 23 low side pressure ± 2 psig high side pressure ± 5 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 evacuated and recharged to serial...