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Trane WSHP-DS-6 manual

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Table of contents for the manual

  • Page 1

    WSHP-DS-6 March 2000 Water Source Heat Pump Water-to-Water Model WPWD WSHP-DS-6[...]

  • Page 2

    2 Introduction The WPWD product is a heating and cooling hydronic fluid water-to- water heat pump capable of pro- ducing water temperature up to 130 F or temperatures down to 25 F. This extended operating range offers great opportunities in commercial, residential and indus- trial applications. There are many load side applica- tions for which the [...]

  • Page 3

    3 Introduction 2 Features and Benefits 4 Model Number Description 7 General Data 8 Application Considerations 9 Electrical Data 18 Performance Data 19 Dimensional Data 25 Wiring Diagram 28 Accessory Options 30 Mechanical Specifications 31 Table of Contents[...]

  • Page 4

    4 General The water source heat pump model WPWD (water-to-water) offers a range of capacities from 2 tons to 6 tons. All units are housed in one standard compact cabinet. Cabinet The cabinet, which allows easy ac- cess for installation and service, is constructed of heavy gauge metal. The cabinet finish is produced by a corrosion resistant electros[...]

  • Page 5

    5 Controls Features and Benefits Lockout Relay 50 VA Transformer 24 VAC Contactor Compressor Run Capacitor 2 Amp Fuse (for use with desuperheater option) Ground 10 Pole Terminal Strip Low Voltage Thermostat Low Voltage High Voltage Figure 3: Controls 24 V olt Controls All electrical controls and safety de- vices are factory wired, tested, and mount[...]

  • Page 6

    6 Cold water (Supply) Hot water (Supply) Water heater hook-up kit with drain valve from Desuperheater to Desuperheater Desuper-out Isolation Valves (by others) Desuper-in Desuperheater Option The desuperheater option is a heat recovery system packaged within the water-to-water unit. This option captures heat energy from the heat pump for considerab[...]

  • Page 7

    7 Model Number Description Digits 1 & 2: Product Type WP = Trane Commercial Water Source Heat Pump Digit 3: Product Configuration W = Water-to-Water Digit 4: Development Sequence D Digits 5-7: Unit Nominal Capacity 024 = 24.0 MBh 036 = 36.0 MBh 042 = 42.0 MBh 048 = 48.0 MBh 060 = 60.0 MBh 072 = 72.0 MBh Digit 8: Voltage / Hertz / Phase 1 = 208-[...]

  • Page 8

    8 General Data Table G-1: Physical Data (English) Model: WPWD 024 036 042 048 060 072 Unit Size Width of cabinet (in) 23 23 23 23 23 23 Width of cabinet and connections (in) 24.8 24.8 24.8 24.8 24.8 24.8 Height (in) 24.3 24.3 24.3 24.3 24.3 24.3 Depth (in) 23.3 23.3 23.3 23.3 23.3 23.3 Compressor Type Scroll Scroll Scroll Scroll Scroll Scroll R-22 [...]

  • Page 9

    9 Application Considerations Closed Loop System Closed loop systems (both ground source and surface water) provide heat rejection and heat addition to maintain proper water source temperatures. Operating and maintenace cost are low because an auxillary fossil fuel boiler and cooling tower are not required to maintain the loop temperature. The techn[...]

  • Page 10

    10 Application Considerations Open Loop System Where an existing or proposed well can provide an ample supply of suitable quality water, ground water systems may be very efficient. (See Figure 7) Operation and benefits are similar to those for closed loop systems. There are however several considerations that should be addressed prior to installati[...]

  • Page 11

    11 Source Side vs. Load Side Application Considerations Source vs. Load The model WPWD water-to-water system contains two water to refrig- erant heat exchangers. The two heat exchangers enable the system to be divided into a source and load separation. The “ source side ” heat exchanger performs as in a standard water to air heat pump system. T[...]

  • Page 12

    12 Closed Loop Geothermal Application Considerations (Closed) Ground Loop Heat Exchanger Geothermal Space Heating / Cooling T emperature Refrigeration Equipment Hydronic Ice Melting Via Unit a W ater-to-W ater Geothermal Integrated System The Trane ground source heat pump is highly efficient in service station applications. This integrated system d[...]

  • Page 13

    13 Fresh Air Ventilation Application Considerations Water-Out (source) Water-In (source) Water-Out (load) Water-In (load) Exhaust Air Fresh Air (Closed) Ground Loop Heat Exchanger Geothermal Space Heating and Cooling Fresh Air Ventilation with Water-to-Water Units W ater-to-W ater and Fresh Air V entilation Geothermal energy systems take advantage [...]

  • Page 14

    14 Fresh Air Ventilation Mechanical Application Considerations HOT W A TER COIL EXHAUST AIR OUTSIDE AIR AIR HANDLER AIR HANDLER EXHAUST AIR TO HE A T PU MPS EXHAUST AIR FROM TOILET RMS WPWD AUTOMA TIC AIR VENT EXP T ANK DRAIN V A HAND PUMP PRESSURE RELIEF V A WPWD WPWD WPWD BALL V A SUPPL Y RETURN[...]

  • Page 15

     1 2 3 5 4 6 7 Central Pump Application  Ball valves should be installed in the supply and return lines for unit isolation and unit water flow rate balancing (if an auto- matic flow device is not selected). This connection, along with hoses, are also rec- ommended for backflushing and chemical cleaning of the water to refrigerant heat e[...]

  • Page 16

    16 Well Water Systems Application Considerations 7 6 2 3 4 5 Figure 11: Well water installation 1 9 8 S u p p l y O v e r f l o w R e t u r n General A well water application involves an open loop water supply . The water is drawn from an open well or pond into the unit. A straining device is required with this application. Similar to the closed lo[...]

  • Page 17

    17 Earth Coupled Application  Ball valves should be installed in the supply and return lines for unit isolation.  Flexible hoses may be used to connect the water supply and return lines to the water inlets and outlet s. These hoses reduce possible vibration between the unit and the rigid system. Note: Hoses and or pipes should be braide[...]

  • Page 18

    18 Electrical Data Table E-1: Electrical Data Model: WPWD 024 036 042 048 060 072 Voltage 208-230/60hz/1phase Compressor RLA 11.4 15 18.4 20.4 28 32.1 Compressor LRA 56 73 95 109 169 169 Minimum Circuit Ampacity 16 21 25.8 28.6 39 45 Max Fuse Size 25 30 40 45 60 70 Aux Pump Amps 2.5 2.5 2.5 2.5 2.5 2.5 Desuperheater Min Cir Ampacity 14.3 18.8 23 25[...]