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Bard WE121 Installation Instructions Manual

Manual is about: wall mounted package air conditioner

Summary of WE121

  • Page 1

    Manual 2100-384b page 1 of 19 wall mounted package air conditioners model: we121 installation instructions manual : 2100-384b supersedes: 2100-384a file: volume iii tab 16 date: 09-17-10 bard manufacturing company, inc. Bryan, ohio 43506 since 1914...Moving ahead, just as planned. This model uses re...

  • Page 2: Contents

    Manual 2100-384b page 2 of 19 contents getting other informations and publications ......... 3 wall mount general information air conditioner wall mount model nomenclature ..... 4 shipping damage ..................................................... 6 general ...........................................

  • Page 3

    Manual 2100-384b page 3 of 19 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 2100-384b page 4 of 19 wall mount general information air conditioner wall mount model nomenclature table 2 electrical heat specifications s l e d o m s t l o v d e t a r e s a h p d n a d l e i f . O n r e w o p s t i u c r i c m u m i n i m t i u c r i c y t i c a p m a 1 m u m i x a m e s ...

  • Page 5

    Manual 2100-384b page 5 of 19 figure 1 unit dimensions factory built at 5 inches we121.

  • Page 6

    Manual 2100-384b page 6 of 19 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 2100-384b page 7 of 19 fresh air intake all units are built with fresh air inlet slots punched in the service panel. If the unit is equipped with a fresh air damper assembly, the assembly is shipped already attached to the unit. The damper blade is locked in the closed position. To allow the ...

  • Page 8: Installation Instructions

    Manual 2100-384b page 8 of 19 installation instructions wall mounting information 1. These units are secured by wall mounting brackets which secure the unit to the outside wall surface at both sides. 2. On wood frame walls, the wall construction must be strong and rigid enough to carry the weight of...

  • Page 9

    Manual 2100-384b page 9 of 19 figure 3 mounting instructions when using the combination supply / return grille assembly csrg-1.

  • Page 10

    Manual 2100-384b page 10 of 19 figure 4 mounting instructions this informa tion does not appl y if csrg-1 combina tion suppl y / return grille assembl y is t o be used. See figure 3..

  • Page 11

    Manual 2100-384b page 11 of 19 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 opening wood or steel siding opening installing unit. Return air wall struct...

  • Page 12

    Manual 2100-384b page 12 of 19 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 in an attic surface rafters finished ceilin...

  • Page 13

    Manual 2100-384b page 13 of 19 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: Start Up

    Manual 2100-384b page 14 of 19 start up important installer note for improved start up performance, wash the indoor coil with a dishwasher detergent. Service hints 1. Caution owner to maintain clean air filters at all times and also not to needlessly close off supply and return air registers. This r...

  • Page 15

    Manual 2100-384b page 15 of 19 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 of make (dom) timing on power up and after power interruptions is equal to 2 minutes plus 10% of delay of break (do...

  • Page 16: Troubleshooting

    Manual 2100-384b page 16 of 19 troubleshooting fan blade setting dimensions show in figure 8 is the correct fan blade setting dimension for proper air delivery across the outdoor coil. Any service work requiring removal or adjustment in the fan and/or motor area will require that the dimension below...

  • Page 17

    Manual 2100-384b page 17 of 19 table 9 optional field installed accessories l e d o m n o i t p i r c s e d a 1 - p o b e t a l p f f o k n a l b x 1 - d a f b r e p m a d r i a h s e r f c i r t e m o r a b x 1 - m f i e t s u a h x e h t i w r e z i m o n o c e x 6 - a m c l o r t n o c t n e i b ...

  • Page 18: Notice

    Manual 2100-384b page 18 of 19 notice the refrigeration system in this unit is charged with refrigerant r-407c service procedure and considerations refrigerant r-407c is a blend of three refrigerants, hfc-32 / hfc-125 / hfc134a. Unlike pure fluids and azeotropes, blends boil and condense at varying ...

  • Page 19

    Manual 2100-384b page 19 of 19 table 10 r-407c saturated vapor/liquid temperature/pressure chart e r u s s e r p ) g i s p ( . P m e t d i u q i l ) ° f ( . P m e t r o p a v ) ° f ( e r u s s e r p ) g i s p ( . P m e t d i u q i l ) ° f ( . P m e t r o p a v ) ° f ( 0 2 2 2 4 2 6 2 8 2 0 3 2 3 4 3...