1. DL manuals
  2. Bard
  3. Heat Pump
  4. WPV48D
  5. Installation instructions manual

Bard WPV48D Installation instructions manual

Manual is about: WATER SOURCE HEAT PUMP

Summary of WPV48D

  • Page 1

    Installation instructions water source heat pump models : wpv48d wpv60d bard manufacturing company bryan, ohio 43506 since 1914...Moving ahead, just as planned. Manual: 2100-250g supersedes: 2100-250f file: volume i, tab 8 date: 09-25-01 copyright 2001 earth loop fluid temperatures 25° - 110° ground...

  • Page 2: Contents

    Contents application and location general ................................................................... 2 shipping damage ................................................... 2 application .............................................................. 2 location ...................................

  • Page 3

    Manual 2100-250 page 1 j table 1 specifications l e d o m d 8 4 v p w d 0 6 v p w ) h p / v / z h 0 6 ( g n it a r l a c ir t c e l e 1 - 8 0 2 / 0 3 2 1 - 8 0 2 / 0 3 2 e g n a r e g a tl o v g n it a r e p o 7 9 1 - 3 5 2 7 9 1 - 3 5 2 y ti c a p m a ti u c r i c m u m i n i m 5 . 4 3 0 . 6 3 e z ...

  • Page 4: Application and Location

    Manual 2100-250 page 2 application and location general units are shipped completely assembled and internally wired, requiring only duct connections, thermostat wiring, 230-208 volt ac power wiring, and water piping. The equipment covered in this manual is to be installed by trained, experienced ser...

  • Page 5

    Manual 2100-250 page 3 filter this unit must not be operated without a filter. It comes equipped with a disposable filter which should be checked often and replaced if dirty. Insufficient air flow due to undersized duct systems or dirty filters can result in nuisance tripping of the high or low pres...

  • Page 6: Wiring

    Manual 2100-250 page 4 mis-380 wiring all electrical connections are made through the top of the unit. High voltage connections are made with wire nuts to the factory-provided pigtail leads in the junction box. Low voltage connections are made to the terminal strip mounted on the top of the unit. Re...

  • Page 7

    Manual 2100-250 page 5 figure 4 duct heater the following is a verbal description of the proper procedure for connecting the low voltage hookups for the duct heater. (refer to wiring diagram 4091-811). 1. Black wire from duct heater to c on the 24 volt terminal block. 2. Green wire from duct heater ...

  • Page 8: Accessories

    Manual 2100-250 page 6 accessories add-on dpm26a pump module kit note: this section applies only if a dpm26a pump module is added. Refer to dpm26a instructions for complete installation details. General this high efficiency water source heat pump series was designed with a refrigerant to water heat ...

  • Page 9: Closed Loop

    Manual 2100-250 page 7 closed loop (earth coupled ground loop applications) note: low temperature thermostat must be reset from factory setting to 15º for closed loop applications. This unit is designed to work on earth coupled ground loop systems, however, these systems operate at entering water (w...

  • Page 10

    Manual 2100-250 page 8 the components for a circulation system are as follows: refer to figure 6. 1. Circulating pump systems are engineered for each individual system to provide the correct water flow and overcome the friction loss of the system piping. Isolation flanges or ball valves are used to ...

  • Page 11

    Manual 2100-250 page 9 heat pump connections without pump kit the units have various female connections inside on water coil. To keep losses small, all piping and components in the heat pump should be one inch copper or plastic. The transition to one inch pipe should be made at the exterior of the h...

  • Page 12

    Manual 2100-250 page 10 figure 11 figure 10 pump module hookup gpm-1 without cabinet shown ground loop water in ground loop water out heat pump water out compressor water out (pressure - temperature test plug) water in (pressure - temperature test plug) piping access panel (may be installed as shown...

  • Page 13

    Manual 2100-250 page 11 head (feet) figure 12 pump module hookup flow (gpm) head (feet) figure 13 pressure and temperature sensing adapter and components flow (gpm) wpv20.Tif.

  • Page 14

    Manual 2100-250 page 12 system start up procedure 1. Be sure main power to the unit is off at disconnect. 2. Set thermostat system switch to off, fan switch to auto. 3. Move main power disconnect to on. Except as required for safety while servicing, do not open the unit disconnect switch. 4. Check s...

  • Page 15

    Manual 2100-250 page 13 open loop (well system applications) note: low temperature thermostat factory set to 25º for open loop applications. It is very important that an adequate supply of clean, noncorrosive water at the proper pressure be provided before the installation is made. Insufficient wate...

  • Page 16

    Manual 2100-250 page 14 well pump sizing strictly speaking, sizing the well pump is the responsibility of the well drilling contractor. It is important, however, that the hvac contractor be familiar with the factors that determine what size pump will be required. Rule of thumb estimates will invaria...

  • Page 17

    Manual 2100-250 page 15 4. Check system air flow for obstructions. A. Move thermostat fan switch to on. Blower runs. B. Be sure all registers and grilles are open. C. Move thermostat fan switch to auto. Blower should stop. 5. Fully open the manual inlet and outlet valves. 6. Check water flow. A. Con...

  • Page 18

    Manual 2100-250 page 16 there are four main water quality problems associated with ground water. These are: 1. Biological growth. This is the growth of microscopic organisms in the water and will show up as a slimy deposit through out the water system. Shock treatment of the well is usually required...

  • Page 19: Warning

    Manual 2100-250 page 17 lake and pond installations lakes and ponds can provide a low cost source of water for heating and cooling with a ground water heat pump. Direct usage of the water without some filtration is not recommended as algae and turbid water can foul the water to freon heat exchanger....

  • Page 20

    Manual 2100-250 page 18 figure 16 water well system water supply line electrical line 12' to 15" lake or pond gravel fill water level 15' to 20' deep drop pipe perforated plastic casing submersible pump to pressure tank well cap pitless adapter mis-1607.

  • Page 21: Sequence of Operation

    Manual 2100-250 page 19 1. Cooling with or without duct heaters whenever the system lever is moved to cool, thermostat system switch completes a circuit r to o, energizing the reversing valve solenoid. On a call for cooling, the cooling bulb completes a circuit from r to g, energizing the blower rel...

  • Page 22

    Manual 2100-250 page 20 figure 18 figure 17 mis-096 wpv13.Tif.

  • Page 23

    Manual 2100-250 page 21 figure 19 water source heat pump cooling cycle mis-1229.

  • Page 24

    Manual 2100-250 page 22 figure 20 water source heat pump heating cycle mis-1228.

  • Page 25

    Manual 2100-250 page 23 model wpv60d 1,570 cfm 11 gpm y r d / b l u b b l u b t e w y t i c a p a c g n i l o o c f s e e r g e d l i o c r e t a w g n i r e t n e e r u t a r e p m e t d i u l f 0 3 k 0 4 k 0 5 0 6 0 7 0 8 0 9 0 0 1 0 1 1 2 6 / 5 7 g n il o o c l a t o t g n il o o c e l b i s n e ...

  • Page 26

    Manual 2100-250 page 24 table 7 capacity multiplier factors w o l f r i a d e t a r f o % 0 1 - d e t a r 0 1 h u t b l a t o t 5 7 9 . 0 0 0 . 1 2 0 . 1 h u t b e l b i s n e s 0 5 9 . 0 0 0 . 1 5 0 . 1 table 8 correction factors for performance at other water flows w o l f d e t a r m p g - s u l ...

  • Page 27

    Manual 2100-250 page 25 tables 10 & 10a pressure tables low side pressure ± 2 psig high side pressure ± 5 psig tables are based upon rated cfm (airflow) across the evaporator coil and rated fluid flow rate through the water coil. If there is any doubt as to correct operation charge being in the syst...

  • Page 28

    Manual 2100-250 page 26 heat gen. Power failure blown fuse or tripped breaker faulty wiring loose terminals low voltage defective contacts in contactor compressor overload potential relay run capacitor start capacitor faulty wiring loose terminals control transformer low voltage thermostat contactor...

  • Page 29

    Manual 2100-250 page 27 thermostat diagrams.

  • Page 30

    Manual 2100-250 page 28.

  • Page 31

    Manual 2100-250 page 29.

  • Page 32

    Manual 2100-250 page 30

  • Page 33: Ground Source Heat Pump

    Manual 2100-250 page 31 ground source heat pump performance report this performance check report should be filled out by installer and retained with unit. Date: taken by: 1. Outdoor unit: mfgr. Model no. S/n indoor unit (split system): mfgr. Model no. S/n 2. Person reporting 3. Company reporting 4. ...

  • Page 34

    Manual 2100-250 page 32 the following information is needed to check performance of unit fluid side data cooling heating 9. Entering fluid temperature f 10. Leaving fluid temperature f 11. Entering fluid pressure psig 12. Leaving fluid pressure psig 13. Pressure drop through coil psig 14. Gallons pe...