Enertech WS Series Engineering Data And Installation Manual
  1. Manuals
  2. Brands
  3. Enertech Manuals
  4. Heat Pump
  5. WS Series
  6. Engineering data and installation manual

Enertech WS Series Engineering Data And Installation Manual

Water-to-water heat pumps
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
 

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the WS Series and is the answer not in the manual?

Questions and answers

Related Manuals for Enertech WS Series

Summary of Contents for Enertech WS Series

  • Page 1  ...

  • Page 2: Table Of Contents

    Table   o f   C ontents   I.   Key   &   L egend.................................. 4   Key   t o   M odel   N umbers ..............................4   Legend   f or   T ables................................4   II.  ...
  • Page 3 3   T ON   H eating   P erformance   D ata ..........................18   3   T ON   C ooling   P erformance   D ata ..........................19   4   T ON   H eating   P erformance   D ata ..........................20   4  ...

  • Page 4: Key  &  Legend

    I. KEY  &  LEGEND   KEY  TO  MODEL  NUMBERS     LEGEND  FOR  TABLES     BTU/hr   Heating   o r   c ooling   c apacity   GPM   Gallons   P er   M inute     CAP  ...

  • Page 5: Warnings  &  Cautions

        conditioning codes are followed.  Note – These units feature braze-plate heat  WARNING – ELECTRICAL SHOCK CAN exchangers. Enertech requires that a strainer be CAUSE PERSONAL INJURY DEATH. installed on the water inlet of the source side Disconnect all power supplies before installing or circuit.

  • Page 6: Pre-­-Installation  Preparation

    covered or in original shipping packaging during BUILDING  HEAT  LOSS/HEAT  GAIN   job site construction. All physical connections (air supply and return, piping, electrical) should be   T he space load must be estimated accurately for protected and covered/capped prior to installation. any successful HVAC installation.

  • Page 7: Temperature  Limitations

    F freeze protection, since This section deals with some common practices more concentrated mixtures of propylene glycol used when coupling the Enertech hydronic heat become too viscous at low temperatures and will pumps to the space conditioning heat exchanger. become more difficult to pump through the earth There are so many possible applications for loop.

  • Page 8: Ground  Water  Installation

    HP high-head pump to circulate fluid through the stream. loop to remove all the air out of the loop. Allow the  Important – A visual flow meter is highly pump to run 10 to 15 minutes after the last air bubbles have been removed.

  • Page 9: Hydronic  Side  Circulators

    The hydronic side circulator supplying the heat Hydronic circulator pumps transfer the energy pump should be controlled to run only when the supplied by Enertech hydronic heat pumps to the compressor runs. If the pump is allowed to water storage tank. Select a quiet operating pump...

  • Page 10: Expansion  Tanks

    recommended for most indoor applications. Forty a heat pump on its side or back. ° percent (40%) propylene glycol in water (-5 F freeze  CAUTION – Do not use this unit during protection) is recommended by radiant tube manufactures for snow melt applications to protect construction.

  • Page 11: Electrical

    9)     2 4Vac Fuse VI.  ELECTRICAL   10)   P lug Accessory  Note – Always refer to the inside of the front panel 11)     A larm Output     for the correct wiring diagram. ...

  • Page 12: Compressor  Lockouts

    When 24Vac is applied to the O terminal on the connector. The green system power LED will be off wiring block, the controller energizes its O output if this fuse is open. A spare fuse is located in the to provide 24Vac power to the reversing valve to saddle attached to the side of the 24VAC power switch the refrigerant circuit to the cooling mode.

  • Page 13: Maintenance

    (50°F or above) to start in the heating mode. MAINTENANCE   Apply power to the unit. A 4-minute and 35-second Properly installed, the Enertech heat pump requires delay on power-up is programmed into the only minor maintenance such as periodic cleaning controller before the compressor will operate.

  • Page 14: Desuperheater

    Installations may include a wide variation of valves allow access to the desuperheater plumbing available electronic room thermostats, and most of without draining the hot water tank. Keep the them must be configured by the Installer and valves open when the pump is running. checked out after installation.
  • Page 15 rotor's bearing, which reduces pump life and causes noise problems in the pump. Note – A spring-type check valve with a pressure-drop rating of 1/2 psig or less is recommended. 15  ...

  • Page 16: Engineering  Specifications

    IX.    ENGINEERING  SPECIFICATIONS   PERFORMANCE  RATINGS   Heating   P erformance   D ata     ( Tested   i n   a ccordance   w ith   A SHRAE/AHRI/   I SO   S tandard   1 3256-­‐2) Total  ...
  • Page 17   Cooling   P erformance   D ata     ( Tested   i n   a ccordance   w ith   A SHRAE/AHRI/   I SO   S tandard   1 3256-­‐2) Total   H eat   Heat   o f   Source  ...

  • Page 18: Performance  Data

    PERFORMANCE  DATA   3  TON  HEATING  PERFORMANCE  DATA       Hydronic   F low   –   7   G PM     Hydronic   F low   –   9   G PM    ...

  • Page 19: Ton  Cooling  Performance  Data

    3  TON  COOLING  PERFORMANCE  DATA       Hydronic   F low   –   7   G PM     Hydronic   F low   –   9   G PM     GROUND   Refrigerant  ...

  • Page 20: Ton  Heating  Performance  Data

    4  TON  HEATING  PERFORMANCE  DATA     Hydronic   F low   –   9   G PM     Hydronic   F low   –   1 2   G PM     GROUND   Refrigerant   P ressure   HYD  ...

  • Page 21: Ton  Cooling  Performance  Data

    4  TON  COOLING  PERFORMANCE  DATA       Hydronic   F low   –   9   G PM     Hydronic   F low   –   1 2   G PM     GROUND   Refrigerant  ...

  • Page 22: Ton  Heating  Performance  Data

    5  TON  HEATING  PERFORMANCE  DATA     Hydronic   F low   –   1 2   G PM     Hydronic   F low   –   1 5   G PM     GROUND   Refrigerant   P ressure   HYD  ...

  • Page 23: Ton  Cooling  Performance  Data

    5  TON  COOLING  PERFORMANCE  DATA         Hydronic   F low   –   1 2   G PM     Hydronic   F low   –   1 5   G PM     GROUND  ...

  • Page 24: Ton  Heating  Performance  Data

    6  TON  HEATING  PERFORMANCE  DATA     Hydronic   F low   –   1 5   G PM     Hydronic   F low   –   1 8   G PM     GROUND   Refrigerant   P ressure   HYD  ...

  • Page 25: Ton  Cooling  Performance  Data

    6  TON  COOLING  PERFORMANCE  DATA     Hydronic   F low   –   1 5   G PM     Hydronic   F low   –   1 8   G PM     GROUND   Refrigerant   P ressure   HYD  ...

  • Page 26: Ton  Heating  Performance  Data

    7  TON  HEATING  PERFORMANCE  DATA     Hydronic   F low   –   1 6   G PM     Hydronic   F low   –   2 0   G PM     GROUND   Refrigerant   P ressure   HYD  ...

  • Page 27: Ton  Cooling  Performance  Data

    7  TON  COOLING  PERFORMANCE  DATA     Hydronic   F low   –   1 6   G PM     Hydronic   F low   –   2 0   G PM     GROUND   Refrigerant   P ressure   HYD  ...

  • Page 28: Ton  Full  Load  Heating  Performance  Data

    10  TON  FULL  LOAD  HEATING  PERFORMANCE  DATA     Hydronic   F low   –   2 4   G PM     Hydronic   F low   –   3 0   G PM     GROUND   Refrigerant  ...

  • Page 29: Ton  Full  Load  Cooling  Performance  Data

    10  TON  FULL  LOAD  COOLING  PERFORMANCE  DATA       Hydronic   F low   –   2 4   G PM     Hydronic   F low   –   3 0   G PM     GROUND  ...

  • Page 30: Ton  Part  Load  Heating  Performance  Data

    10  TON  PART  LOAD  HEATING  PERFORMANCE  DATA     Hydronic   F low   –   2 4   G PM     Hydronic   F low   –   3 0   G PM     GROUND   Refrigerant  ...

  • Page 31: Ton  Part  Load  Cooling  Performance  Data

    10  TON  PART  LOAD  COOLING  PERFORMANCE  DATA     Hydronic   F low   –   2 4   G PM     Hydronic   F low   –   3 0   G PM     GROUND   Refrigerant  ...

  • Page 32: Physical  Dimensions

    PHYSICAL  DIMENSIONS       10   T ON   3   -­‐   7   10   Dimension   TON   TON   27.0   A   23.4   27.5   B   29.2   26.1   C  ...

  • Page 33: Electrical  Data

          ELECTRICAL  DATA     Without   F low   C enter   Voltage   Compressor   Hydronic   P ump   Model   Phase   Total   Min.   Max   Frequency   ( Hz)   FLA   Amp.  ...

  • Page 34: Water  Coil  Pressure  Drop  Ratings

        WATER  COIL  PRESSURE  DROP  RATINGS   Pressure drops (PSI) with pure water. 3  TON     GPM   W ater   F low   6   7   8   9   10   11   Source   W ater   P ressure   D rop   ( Copper)   1.2  ...

  • Page 35: T On

    Source   W ater   P ressure   D rop   ( CuNi)   6.2   6.2   7.8   8.2   n/a   Load   W ater   P ressure   D rop   1.6   1.8   1.9   3.4  ...

  • Page 36: Figures

            X. FIGURES   Figure 1 Hydronic Heat Pump – Supplying Radiant Floor Heating, Fan Coil Cooling, and Water Heating    Note – Always use copper pipe on the hydronic side.  Note – Conceptual drawing only. Check local codes and use proper plumbing procedures. ...
  • Page 37 Ground Loop Plumbing Note  –  These  units  feature  braze-­‐plate  heat  exchangers.  Enertech  requires  that  a  strainer  be  installed  on  the  water  inlet  of  the  source  circuit.  A   strainer   w ith   a   s ize   o f   1 6-­‐20   m esh   m inimum   s hould   b e   u sed.   F or  your  convenience  a  strainer  and  connection  hardware  have  been  included  with  ...
  • Page 38 Figure 4 Hydronic Heat Pump – Radiant Floor Heating and Fan Coil Cooling 38  ...
  • Page 39  Note – Always use copper pipe on the hydronic side.  Note – Conceptual drawing only. Check local codes and use proper plumbing procedures. Figure 5 Hydronic Heat Pump – Multizone System  Note – Always use copper pipe on the hydronic side. 39  ...
  • Page 40  Note – Conceptual drawing only. Check local codes and use proper plumbing procedures.     40  ...
  • Page 41   Figure 6 –Single Tank Desuperheater Installation  Note – Always use copper pipe. Check local codes and use proper plumbing procedures. Figure 7 – Two Tank Desuperheater Installation 41  ...

  • Page 42: Troubleshooting

    XI.  TROUBLESHOOTING   after replacing refrigeration component If the heat pump goes into lockout on a high or low (compressor, etc.). pressure switch discharge refrigerant temperature, the cause of the lockout can be narrowed down by identifying the operating mode WARNING –...
  • Page 43 INDICATOR LIGHTS CONDITION COMMENTS PWR ASC DISCHARGE REFRIGERANT TEMPERATURE INDICATOR (DT) Heating or Cooling – -Check if DT switch is open. before Y call -Check electrical connections between DT switch and Controller. -Significantly low flow through hydronic side and/or ground-side heat exchanger.
  • Page 44 PROBLEM CHECKS AND CORRECTIONS POSSIBLE CAUSE The unit could be off on high pressure, low-pressure or discharge refrigerant High Pressure or Low Pressure compressor temperature cutout. Check water GPM and temperatures, ambient temperature and Switch or Discharge Refrigerant does not, or loss of refrigerant.

  • Page 45: Wiring  Diagram  3  Through  7  Ton,  208-­-230V,  Single  Phase

    PROBLEM CHECKS AND CORRECTIONS POSSIBLE CAUSE Purge air from the water side of the desuperheater heat exchanger or defective Squealing Sound from Inside the desuperheater heat exchanger. Cabinet WIRING  DIAGRAM  3  THROUGH  7  TON,  208-­‐230V,  SINGLE  PHASE     45    ...

  • Page 46: Wiring  Diagram  10  Ton,  208-­-230V,  Single  Phase

      WIRING  DIAGRAM  10  TON,  208-­‐230V,  SINGLE  PHASE   46    ...
  • Page 47 47    ...

  • Page 48: Wiring  Diagram  3  Through  7  Ton,  460V,  Three  Phase

    WIRING  DIAGRAM  3  THROUGH  7  TON,  460V,  THREE  PHASE 48    ...

  • Page 49: Wiring  Diagram  10  Ton,  460V,  Three  Phase

    WIRING  DIAGRAM  10  TON,  460V,  THREE  PHASE   49    ...

  • Page 50: Forms

    START  UP  PROCEDURE     50    ...

  • Page 51: Equipment Start Up Form

    EQUIPMENT  START-­‐UP  FORM     XIII.  REVISION  TABLE   51    ...
  • Page 52   Date:   By:   Page:   Description:     7-­‐08-­‐15   GT   34   Changed   f low   f rom   9   t o   3 0   G PM   p /Tom   E .   e mail    ...
  • Page 53                             Greenville,   I L   &   M itchell,   S D   info@enertechgeo.com                 20D150-­‐01NN     |       © 2012   E nertech   G lobal,   L LC.       |       A ll   R ights   R eserved     1 5708G    ...

This manual is also suitable for:

Wd series

Table of Contents