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Bard WA4842 Installation Instructions Manual

Manual is about: WALL MOUNTED PACKAGE AIR CONDITIONERS

Summary of WA4842

  • Page 1

    Manual 2100-401a page 1 of 21 installation instructions wall mounted package air conditioners models wa4842 wa4843 wa6022 wa6023 manual : 2100-401a supersedes: 2100-401 file: volume iii tab 16 date: 07-25-06 bard manufacturing company, inc. Bryan, ohio 43506 since 1914...Moving ahead just as planned...

  • Page 2: Contents

    Manual 2100-401a page 2 of 21 contents figures figure 1 unit dimensions ...................................... 5 wa6023, wa4843 figure 2 unit dimensions ...................................... 6 wa6022, wa4842 figure 3 mounting instructions .............................. 8 wa6023, wa4843 figure 4 mou...

  • Page 3

    Manual 2100-401a page 3 of 21 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 2100-401a page 4 of 21 wall mount general information air conditioning wall mount model nomenclature wa 60 2 3 a 10 b n x x x a note: all vent options are without exhaust capability. May require separate field supplied barometric relief in building. Wa4842a, wa4842b, wa4843a, wa4843b, wa6022a...

  • Page 5

    Manual 2100-401a page 5 of 21 figure 1 unit dimensions wa6023, wa4843 only.

  • Page 6

    Manual 2100-401a page 6 of 21 figure 2 unit dimensions wa6022, wa4842 only.

  • Page 7

    Manual 2100-401a page 7 of 21 table 2 electrical specifications 1 maximum size of the time delay fuse or hacr type circuit breaker for protection of field wiring conductors. 2 based on 75° c copper wire. All wiring must conform to nec and all local codes. 3 these “minimum circuit ampacity” values ar...

  • Page 8

    Manual 2100-401a page 8 of 21 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 9: Waring

    Manual 2100-401a page 9 of 21 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 1 or 2. Figure 1 is for models wa4843, and wa6023. Figure 2 is for models wa4842 and wa6022. 2. On wood frame walls, t...

  • Page 10

    Manual 2100-401a page 10 of 21 figure 3 mounting instructions wa6023, wa4843 only.

  • Page 11

    Manual 2100-401a page 11 of 21 figure 4 mounting instructions wa6022, wa4842 only.

  • Page 12: Warning

    Manual 2100-401a page 12 of 21 figure 5 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 13

    Manual 2100-401a page 13 of 21 figure 6 wall mounting instructions figure 7 wall mounting instructions see figure 3 – mounting instructions see unit dimensions, figure 1, for actual dimensions.

  • Page 14

    Manual 2100-401a page 14 of 21 figure 8 common wall mounting installations.

  • Page 15

    Manual 2100-401a page 15 of 21 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 16

    Manual 2100-401a page 16 of 21 figure 9 unit 24v terminal board.

  • Page 17

    Manual 2100-401a page 17 of 21 start up important installer note for improved start up performance wash the indoor coil with a dish washing detergent. Crankcase heaters these units are not provided with crankcase heat. These units utilize scroll compressors which do not require crankcase heat in thi...

  • Page 18

    Manual 2100-401a page 18 of 21 alarm relay output alarm terminal is output connection for applications where alarm relay is employed. This terminal is powered whenever compressor is locked out due to hpc or lpc sequences as described. Note: both high and low pressure switch controls are inherently a...

  • Page 19

    Manual 2100-401a page 19 of 21 the suction line temperatures in table above are based upon 80° f dry bulb / 67° f wet bulb (50% r.H.) temperature and rated airflow across the evaporator during cooling cycle. Removal of fan shroud 1. Disconnect all power to the unit. 2. Remove the screws holding both...

  • Page 20

    Manual 2100-401a page 20 of 21 table 9 maximum esp of operation electric heat only values shown are for units equipped with standard 1" throwaway filters or 1" washable filters. Derate esp by .15 for 2" pleated filters. S l e d o m p s e - 3 2 0 6 a w y l n o 5 0 a 0 1 a 9 0 b 4 . 3 . 3 . Low side p...

  • Page 21

    Manual 2100-401a page 21 of 21 table 11 optional accessories wa6023a. Wa6022a wa6023b, wa6022b wa4843a, wa4842a wa4843b, wa4842b t r a p r e b m u n n o i t p i r c s e d 5 1 - c m c t i k t r a t s x x a 9 0 - b c m w b 7 0 - b c m w a 8 0 - b c m w b 5 0 - b c m w t i k r e k a e r b t i u c r i c...