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Bard WH301 Installation Instructions Manual

Other manuals for WH301: Specifications
Manual is about: Wall Mounted Packaged Heat Pump

Summary of WH301

  • Page 1

    Mis-656 models: wh301, wh361 wall mounted packaged heat pump installation instructions manual no.: 2100-193k supersedes: 2100-193j file: volume iii , tab 17 date: 05-13-02 bard manufacturing company bryan, ohio 43506 since 1914. . .Moving ahead just as planned. © copyright 2002.

  • Page 2: Contents

    Contents i figures figure 1 unit dimensions .................................... 4 figure 2 fresh air damper assembly ................. 6 figure 3 mounting instructions ............................ 8 figure 4 electric heat clearance ........................ 9 figure 5 attaching top outlet to unit .....

  • Page 3

    Manual 2100-193 page 1 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. National ele...

  • Page 4

    Manual 2100-193 page 2 wall mount general information heat pump wall mount model nomenclature wh 36 1 – a 10 x x x x x a volts & phase a - 230/208/60/1 b - 230/208/60/3 c - 460/60/3 model number revisions capacity 30 - 2 1/2 ton 36 - 3 ton kw ventilation options x - barometric fresh air damper (stan...

  • Page 5

    Manual 2100-193 page 3 table 1 electric heat table s l e d o m a - 1 0 3 h w b - 1 0 3 h w c - 1 0 3 h w a - 1 6 3 h w b - 1 6 3 h w c - 1 6 3 h w 1 - 0 4 2 1 - 8 0 2 3 - 0 4 2 3 - 8 0 2 3 - 0 6 4 1 - 0 4 2 1 - 8 0 2 3 - 0 4 2 3 - 8 0 2 3 - 0 6 4 w k a u t b a u t b a u t b a u t b a u t b a u t b a...

  • Page 6

    Manual 2100-193 page 4 mis-1262 figure 1 unit dimensions front view back view side view * optional top outlet (factory installed only) for wh30 and wh36 models only. Table 2 dimensions of basic unit (nominal) l e d o m h t d i w ) w ( h t p e d ) d ( t h g i e h ) h ( y l p p u s n r u t e r e f g i...

  • Page 7

    Manual 2100-193 page 5 table 3 electrical specifications maximum size of the time delay fuse or hacr type circuit breaker for protection of field wiring conductors. Based on 75° copper wire. All wiring must conform to the national electrical code and all local codes. Maximum kw that can operate with...

  • Page 8

    Manual 2100-193 page 6 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 damper ...

  • Page 9: Installation  Instructions

    Manual 2100-193 page 7 installation instructions 3. Concrete block walls must be thoroughly inspected to insure that they are capable of carrying the weight of the unit installed. Mounting the unit 1. These units are secured by wall mounting brackets which secure the unit to the outside wall surface...

  • Page 10

    Manual 2100-193 page 8 figure 3 mounting instructions mis-311.

  • Page 11: Warning

    Manual 2100-193 page 9 side section view of supply air duct for wall mounted unit showing 1/4" clearance to combustible surfaces. Figure 4 electric heat clearance warning a minimum of 1/4" clearance must be maintained between the supply air duct and combustible materials. This is required for the fi...

  • Page 12

    Manual 2100-193 page 10 figure 5 attaching top outlet airframes to unit mis-481 figure 6 unit with top outlet mounted under overhang mis-482.

  • Page 13

    Manual 2100-193 page 11 figure 7 wall-mounting instructions mis-549 figure 8 wall-mounting instructions mis-548 see figure 3 – mounting instructions see unit dimensions, figure 1, for actual dimensions see figure 1 for duct dimensions.

  • Page 14

    Manual 2100-193 page 12 mis-550 figure 9 common wall-mounting installations.

  • Page 15

    Manual 2100-193 page 13 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 of curr...

  • Page 16

    Manual 2100-193 page 14 figure 10 low voltage wiring.

  • Page 17

    Manual 2100-193 page 15 compressor cutoff thermostat and outdoor thermostats heat pump compressor operation at outdoor temperatures below 0° f are neither desirable nor advantageous in terms of efficiency. Since most equipment at the time of manufacture is not designated for any specific destination...

  • Page 18

    Manual 2100-193 page 16 heat anticipation the thermostats shown below have a fixed heat anticipator for stage 1 with no adjustment required. Stage 2 has an adjustable anticipator for the w2 connection and fixed for the w3 connection. Both the w2 and w3 circuits are controlled by the stage 2 bulb. Th...

  • Page 19: Start Up

    Manual 2100-193 page 17 important installer note for improved start-up performance, wash the indoor coil with a dishwashing detergent. Crankcase heaters all units are provided with some form of compressor crankcase heat. All single and three phase models have an insertion well-type heater located in...

  • Page 20

    Manual 2100-193 page 18 pressure service ports high and low pressure service ports are installed on all units so that the system operating pressures can be observed. Pressure tables can be found on page 22 covering all models. It is imperative to match the correct pressure table to the unit by model...

  • Page 21: Troubleshooting

    Manual 2100-193 page 19 troubleshooting solid state heat pump control troubleshooting procedure 1. Turn on ac power supply to indoor and outdoor units. 2. Turn thermostat blower switch to "fan on" – the indoor blower should start. (if it doesn't, troubleshoot indoor unit and correct problem). 3. Tur...

  • Page 22

    Manual 2100-193 page 20 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 resistance us...

  • Page 23

    Manual 2100-193 page 21 fan blade setting dimensions shown in the drawing below are the correct fan blade setting dimensions 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 dimensions below be checke...

  • Page 24

    Manual 2100-193 page 22 low side pressure ± 2 psig high side pressure ± 5 psig tables are based upon rated cfm (airflow) across the evaporator coil and should be found under section titled "refrigerant charge" on page 21 in manual. If there is any doubt as to correct charge being in the system, the ...

  • Page 25

    Manual 2100-193 page 23 wh301-a wh301-b wh301-c wh361-a wh361-b wh361-c table 15 optional accessories l e d o m n o i t p i r c s e d 5 0 a - 0 3 h w h e s e g a k c a p r e t a e h ➀ x 0 1 a - 0 3 h w h e s e g a k c a p r e t a e h ➀ x 5 0 a - 6 3 h w h e s e g a k c a p r e t a e h ➀ x 0 1 a - 6 ...