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Bard GV27S1-A Installation Instructions Manual

Manual is about: WATER SOURCE HEAT PUMPS

Summary of GV27S1-A

  • Page 1

    Manual 2100-510e page 1 of 38 earth loop fluid temperatures 25° - 110° ground water temperatures 45° - 75° mis-2615 bard manufacturing company, inc. Bryan, ohio 43506 since 1914...Moving ahead, just as planned. Manual: 2100-510e supersedes: 2100-510d file: volume i, tab 8 date: 08-04-09 installation...

  • Page 2

    Manual 2100-510e page 2 of 38 contents getting other informations and publications ........ 3 general information water source nomenclature ................................... 4 heater package nomenclature ............................... 8 application and location general ..............................

  • Page 3

    Manual 2100-510e page 3 of 38 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 2100-510e page 4 of 38 water source product line nomenclature table 1 indoor blower performance (rated cfm) 1 l e d o m r o t o m p h 2 d e t a r p s e 3 x a m p s e 1 # d e e p s 2 # d e e p s 3 # d e e p s 4 # d e e p s 5 # d e e p s 4 s u o u n i t n o c w o l f r i a 5 r e h t a e w d l i...

  • Page 5

    Manual 2100-510e page 5 of 38 table 2 flow rates for various fluids s d i u l f s u o i r a v s l e d o m s 7 2 v g s 8 3 v g s 1 5 v g s 1 6 v g s 1 7 v g r e t a w h s e r f m p g d e r i u q e r e t a r w o l f 1 5 6 7 9 0 1 e d i r o l h c m u i d o s % 5 1 m p g d e r i u q e r e t a r w o l f ...

  • Page 6

    Manual 2100-510e page 6 of 38 table 4 water coil pressure drop l e d o m m p g 1 s 7 2 v g 1 s 1 5 v g / 1 s 8 3 v g 1 s 1 6 v g 1 s 1 7 v g d i s p . D h . T f d i s p . D h . T f d i s p . D h . T f d i s p . D h . T f 3 1 . 0 3 2 . 0 4 5 . 0 5 1 . 1 9 . 0 8 0 . 2 5 2 . 1 7 7 . 2 4 . 1 3 2 . 3 6 7...

  • Page 7

    Manual 2100-510e page 7 of 38 filter rack return air note a supply air note a see see water connections condensate drain location see note a i j t s b c e g r left side view right side view back view top view mis-2616 front view note a: panels are reversible along with control panels for heat pump a...

  • Page 8

    Manual 2100-510e page 8 of 38 heater package nomenclature table 5 electrical specifications + based on 75f copper wire. All wiring must conform to national electrical code (latest edition) and all local codes. S e g a k c a p r e t a e h d e l l a t s n i - d l e i f l a n o i t p o - s n o i t a c ...

  • Page 9

    Manual 2100-510e page 9 of 38 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, experien...

  • Page 10

    Manual 2100-510e page 10 of 38 figure 2 field-conversion to left hand return 1. Remove control panel fill plate. 2. Remove two screws securing control panel to unit. 3. Pass control panel through blower section rotating 180°. 4. Re-secure control panel on opposite side in same manner as originally a...

  • Page 11

    Manual 2100-510e page 11 of 38 l e d o m e z i s r e t l i f y t i t n a u q s 7 2 v g s 8 3 v g " 2 x " 5 2 x " 0 2 1 s 1 5 v g s 1 6 v g s 1 7 v g " 2 x " 5 2 x " 6 1 2 air filters filter this unit must not be operated without a filter. It comes equipped with 2" disposable filters, which should be...

  • Page 12

    Manual 2100-510e page 12 of 38 figure 3 filter rack – gv models filte r r ac k s hi pped f or ri ght -hand access f rom f act or y. F ront of u ni t ra ck i nst al led. Mis -2618 fir st r em ove f ilt er r ack door and f ilt er s. T o conver t f ilt er r ack t o l ef t- hand access fr am e 180° to u...

  • Page 13

    Manual 2100-510e page 13 of 38 figure 4 condensate drain & piping access to unit water in connection water out connection condensate drain access (4) locations mis-2619 desuperheater pump module connections 1/2" i.D. Copper stub.

  • Page 14

    Manual 2100-510e page 14 of 38 thermostat indicators 8403-060 (1120-445) temperature/humidity control: in heating or cooling, the display may be black and light gray, or backlit in blue depending on configuration. In the event of a system malfunction such as a loss of charge or high head pressure, t...

  • Page 15

    Manual 2100-510e page 15 of 38 figure 5 thermostat wiring e unit 24v terminal strip bard part # 8603-030 motorized valve with end switch (part of bard gvgwk-1 ground water kit) ground water applications (when installed with recommended motorized valve with end switch) 8403-060 (1120-445) (see notes ...

  • Page 16

    Manual 2100-510e page 16 of 38 mis-2621 1" flexible hose hose clamps water in water out ground loop pump wall bracket field-fabricated pipe to ground loop pipe from module optional visual flow meter note: if used support with a straight barbed brass adapters ground loop (earth coupled water loop app...

  • Page 17

    Manual 2100-510e page 17 of 38 start up procedure for ground loop system 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 discon...

  • Page 18

    Manual 2100-510e page 18 of 38 0 10 20 30 40 50 60 70 0 5 10 15 20 25 30 35 flow (gpm) head (feet) figure 9 performance model dorfc-2 flow center 0 5 10 15 20 25 30 35 0 5 10 15 20 25 30 35 flow (gpm) head (feet) figure 8 performance model dorfc-1 flow center figure 7 10 120 110 100 90 80 70 60 50 4...

  • Page 19

    Manual 2100-510e page 19 of 38 ground water (well system applications) note: unit shipped from factory with 60 psig low pressure switch wired into control circuit for open loop applications. Water connections it is very important that an adequate supply of clean, non- corrosive water at the proper p...

  • Page 20

    Manual 2100-510e page 20 of 38 8 6 4 mis-2623 2 3 7 5 1 figure 10 water connection components the pressure requirements put on the pump are directly affected by the diameter of pipe being used, as well as, by the water flow rate through the pipe. The worksheet included in manual 2100-078 should guar...

  • Page 21

    Manual 2100-510e page 21 of 38 system start up procedure for ground water applications 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 ...

  • Page 22

    Manual 2100-510e page 22 of 38 figure 11 cleaning water coil mis-2624 pump hose bib (a) hose bib (b) isolation valve 4. Scale formation. Of all the water problems, the formation of scale by ground water is by far the most common. Usually this scale is due to the formation of calcium carbonate but ma...

  • Page 23

    Manual 2100-510e page 23 of 38 figure 12 lake or pond installation c. If possible, use a submersible pump suspended in the dry well casing. Jet pumps and other types of suction pumps normally consume more electrical energy than similarly sized submersible pumps. Pipe the unit the same as a water wel...

  • Page 24

    Manual 2100-510e page 24 of 38 sequence of operation blower blower functions are all automatic through the thermostat control. (see table 1 for the specific airflows on each speed.) motor control inputs are all 24 vac with line power to motor being continuous. On a call for “g” from the thermostat (...

  • Page 25

    Manual 2100-510e page 25 of 38 compressor control module the compressor control module is an anti-short cycle/ lockout timer with high and low pressure switch monitoring and alarm output. Adjustable delay on make and break timer on a call for compressor operation the delay on make period begins, whi...

  • Page 26

    Manual 2100-510e page 26 of 38 figure 13 component location suction service port high pressure switch desuperheat coil compressor reversing valve high voltage in water coil expansion valve low pressure switches discharge service port flow center power mis-2625 compressor relay terminal block compres...

  • Page 27

    Manual 2100-510e page 27 of 38 figure 15.

  • Page 28

    Manual 2100-510e page 28 of 38 l e d o m ri a nr ut e r er ut ar e p m e t er u s s er p f° li o c r et a w g ni r et n e er ut ar e p m e t di ul f — g ni l o o c d a o l l l u f f° 0 3 f° 5 3 f° 0 4 f° 5 4 f° 0 5 f° 5 5 f° 0 6 f° 5 6 f° 0 7 f° 5 7 f° 0 8 f° 5 8 f° 0 9 f° 5 9 f° 0 0 1 f° 5 0 1 f° 0...

  • Page 29

    Manual 2100-510e page 29 of 38 l e d o m r i a n r u t e r e r u t a r e p m e t e r u s s e r p f ° 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 — g n i l o o c d a o l l l u f f ° 0 3 f ° 5 3 f ° 0 4 f ° 5 4 f ° 0 5 f ° 5 5 f ° 0 6 f ° 5 6 f ° 0 7 f ° 5 7 f ° 0 8 f ° 5 8 f ° 0...

  • Page 30

    Manual 2100-510e page 30 of 38 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 co...

  • Page 31

    Manual 2100-510e page 31 of 38 service service hints 1. Caution owner to maintain clean air filters at all times. Also, not to needlessly close off supply and return air registers. This reduces airflow through the system, which shortens equipment service life as well as increasing operating costs. 2...

  • Page 32

    Manual 2100-510e page 32 of 38 troubleshooting ge x13-series ecm motors if the motor is running 1. It is normal for the motor to rock back and forth on start up. Do not replace the motor if this is the only problem identified. 2. If the system is excessively noisy, does not appear to change speeds i...

  • Page 33

    Manual 2100-510e page 33 of 38 troubleshooting ge x13-series ecm motors cont’d. Model x13 communication diagnostics the x13 motor is communicated through 24 vac low voltage (thermostat control circuit wiring). 1. Start with unit wiring diagram to confirm proper connections and voltage (see figure 18...

  • Page 34

    Manual 2100-510e page 34 of 38 figure 19 typical pump kit connection to unit supplied with pump module screws inlet and outlet tubes attach to unit using provided filter assembly desuperheater pump module mis-2647 accessories add-on gvdm-26 pump module kit note: this section applies only if a gvdm-2...

  • Page 35

    Manual 2100-510e page 35 of 38 ground source heat pump performance report this performance check report should be filled out by installer and retained with unit. Date taken by: 1. Unit: mfgr model no. S/n thermostat: mfgr model no. P/n 2. Person reporting 3. Company reporting 4. Installed by date in...

  • Page 36

    Manual 2100-510e page 36 of 38 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....

  • Page 37

    Manual 2100-510e page 37 of 38 321 4 l2 l1 r 240v 208v c o m c w ir e i dent ifi cat ion num ber s for bar d use onl y. 99 fi e ld low v ol tage h igh v ol tage opt ional f ac tory ! Wa rni ng use co pper co nduct o r s o n ly su it abl e f o r at l east 75° c . *e le ct rica l sho c k ha z a rd *d ...

  • Page 38

    Manual 2100-510e page 38 of 38 g l1 l2 3 1 2 4 5 3 2 1 blower w c y2 4 5 3 y1 5 4 control c c w2 r compressor l2 t2 t1 l1 c s e 4 power source line 1 r 230/208-60-1 line 2 reversing valve 5 pin indoor blower motor plug 4 pin plug for package plug ladder diagram 4105-105 indoor blower motor 3 pin hea...