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  5. Installation Instructions Manual

Bard WA3S1 Installation Instructions Manual

Summary of WA3S1

  • Page 1

    Manual 2100-451e page 1 of 24 manual no.: 2100-451e supersedes: 2100-451d file: volume iii, tab 16 date: 09-02-08 bard manufacturing company, inc. Bryan, ohio 43506 since 1914...Moving ahead, just as planned. Models: wa3s1 wa4s1 wa5s1 wall mounted packaged air conditioner installation instructions n...

  • Page 2: Contents

    Manual 2100-451e page 2 of 24 contents figures figure 1 unit dimensions ..................................... 5 figure 2 mounting instructions ............................. 9 figure 3 wall-mounting instructions .................. 10 figure 4 wall-mounting instructions .................. 10 figure 5 ...

  • Page 3

    Manual 2100-451e page 3 of 24 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 2100-451e page 4 of 24 wall mount general information air conditioner wall mount model nomenclature wa 4s 1 – b 09 b p x x x x table 1 electric heat table l a n i m o n w k ) 1 ( v 0 4 2 t a ) 1 ( v 8 0 2 t a ) 2 ( v 0 8 4 t a ) 2 ( v 0 6 4 t a w k s p m a h p - 1 s p m a h p - 3 h u t b w k ...

  • Page 5

    Manual 2100-451e page 5 of 24 table 2 dimensions of basic unit for architectural and installation requirements (nominal) all dimensions in inches. Dimensional drawings are not to scale. Ti n u ht di w w ht p e d d t h gi e h h yl p p u sn r ut e r ef g i j k l m n o p q s t a bcb 1 s 3 a w 5 7 0. 2 ...

  • Page 6

    Manual 2100-451e page 6 of 24 l e d o m d et a r stl o v es ah p dn a dl ei f. O n r e w o p sti uc ri c ti u cri c el g ni s ti u cri c el pitl u m 3 mu mi ni m ti uc ri c yti c a p m a 1 mu mi x a m es u fl an r et x e .R kr b.T k c r o 2 dl ei f r e w o p ezi s eri w 2 dn u or g eri w 3 mu mi ni ...

  • Page 7: Caution

    Manual 2100-451e page 7 of 24 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 8: Installation Instructions

    Manual 2100-451e page 8 of 24 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 without transmitting any unit...

  • Page 9

    Manual 2100-451e page 9 of 24 figure 2 mounting instructions the unit rating plate lists a “maximum time delay relay fuse” or “hacr” type circuit breaker that is to be used with the equipment. The correct size must be used for proper circuit protection and also to assure that there will be no nuisan...

  • Page 10

    Manual 2100-451e page 10 of 24 figure 4 wall-mounting instructions figure 3 wall-mounting instructions see figure 3 — mounting instructions see unit dimensions, figure 1, for actual dimensions see figure 1 for duct dimensions.

  • Page 11

    Manual 2100-451e page 11 of 24 figure 5 common wall-mounting installations.

  • Page 12: Warning

    Manual 2100-451e page 12 of 24 note: the voltage should be measured at the field power connection point in the unit and while the unit is operating at full load (maximum amperage operating condition). Eight (8) wires should be run from thermostat subbase to the 24v terminal board in the unit. An eig...

  • Page 13

    Manual 2100-451e page 13 of 24 figure 7 low voltage wiring.

  • Page 14: Start Up

    Manual 2100-451e page 14 of 24 start up these units require r-410a refrigerant and polyolester 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 15: Start Up Continued

    Manual 2100-451e page 15 of 24 start up continued important installer note for improved start-up performance, wash the indoor coil with a dishwasher detergent. Crankcase heaters all units covered in this manual are provided with compressor crankcase heat. This crankcase heater is a band type heater ...

  • Page 16

    Manual 2100-451e page 16 of 24 compressor control module the compressor control module is standard on the models covered by this manual. The compressor control is an anti-short cycle/lockout timer with high and low pressure switch monitoring and alarm relay output. Adjustable delay on make and break...

  • Page 17

    Manual 2100-451e page 17 of 24 phase monitor all units with three phase scroll compressors are equipped with a 3-phase line monitor to prevent compressor damage due to phase reversal. The phase monitor in this unit is equipped with two leds. If the y signal is present at the phase monitor and phases...

  • Page 18: Troubleshooting

    Manual 2100-451e page 18 of 24 fan blade setting dimensions shown in the drawing below are the correct fan blade setting dimensions for proper air delivery across the outdoor coil. See figure 9 any service work requiring removal or adjustment in the fan and/or motor area will require that the dimens...

  • Page 19: Troubleshooting  Cont’D.

    Manual 2100-451e page 19 of 24 troubleshooting cont’d. R-410a refrigerant charge the correct system r-410a charge is shown on the unit rating plate. Optimum unit performance will occur with a refrigerant charge resulting in a liquid line temperature (the cooling expansion device) as shown in table 8...

  • Page 20

    Manual 2100-451e page 20 of 24 table 9 cooling pressure – (all temperatures °f) low side pressure ± 2 psig high side pressure ± 5 psig g n i l o o c y t i c a p a c h g i h f e e r g e d l i o c r o o d t u o g n i r e t n e e r u t a r e p m e t r i a l e d o m r i a n r u t e r e r u t a r e p m e...

  • Page 21: Troubleshooting  Ge  Ecm

    Manual 2100-451e page 21 of 24 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 22: Troubleshooting  Ge  Ecm

    Manual 2100-451e page 22 of 24 troubleshooting ge ecm ™ motors cont’d. Motor motor ok when r > 100k ohm ecm 2.0 only remove hex head bolts connector orientation between 4 and 8 o'clock drip loop back of control figure 5 winding test figure 4 note: use the shorter bolts and alignment pin supplied whe...

  • Page 23

    Manual 2100-451e page 23 of 24 table 11 maximum esp of operation electric heat only 1 motor will deliver consistent cfm through voltage supply range with no deterioration. (197-253v for 230/208v models, 414-506v for 460v models) 2 continuous cfm is the total air being circulated during continuous (m...

  • Page 24

    Manual 2100-451e page 24 of 24 table 12 optional accessories wa3s1-a wa3s1-b wa3s1-c wa4s1-a wa4s1-b wa4s1-c wa5s1-a wa5s1-b wa5s1-c l e d o m n o i t p i r c s e d 5 0 a - s 4 a w h e e g a k c a p r e t a e h x x 0 1 a - s 4 a w h e e g a k c a p r e t a e h x x 5 1 a - s 4 a w h e e g a k c a p r...