Enertech WD240 Installation & Operation Manual Download Page 1 | Manualshive

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Enertech WD240 Installation & Operation Manual Download Page 1

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Installation & Operations Manual

WD 20, 30 TON MODELS WATER-TO-WATER HEAT PUMPS

Revision D

20D814-10NN

20D814-10NN

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Summary of Contents for WD240

Page 1: ...Installation OperationsManual WD 20 30 TON MODELS WATER TO WATER HEAT PUMPS Revision D 20D814 10NN 20D814 10NN...

Page 2: ...10 Section 6 Antifreeze Antifreeze Overview 11 Antifreeze Percentages by Volume 12 Section 7 Controls Features 13 Sequence of Operation 17 Section 8 Wiring Diagrams WD 240 Series WD 240 Series Wiring...

Page 3: ...9 Hot W ater C onfiguration 10 Return Air O ptions 11 Discharge Air O ptions 12 Blow er O ptions 13 Exchanger O ptions 14 15 Standard two stage dual single stage compressors Section 1 Model Nomenclat...

Page 4: ...the unit carefully remove the shrink wrap Using a box cutter slit the shrink wrap on the cardboard top and corner posts Use caution to not damaged the finished surface of the unit Keep all cardboard o...

Page 5: ...Board Logic Board operates the compressor and protects unit by locking out when safety switches are engaged It also provides fault indicator s Terminal Strip Provides connection to the thermostat or...

Page 6: ...ain above 55 F and should be located in a way that piping and ductwork or other permanently installed fixtures do not have to be removed for servicing and filter replacement Electrical All wiring line...

Page 7: ...F 25 F 20 F 15 F 10 F 100 F 110 F 115 F 120 F 125 F 130 F SCROLL COMPRESSOR OPERATING CONDITIONS WATER TO WATER HEATING MODE OPERATION Source Entering Water Temperature 70 F 65 F 60 F 55 F 50 F FAILUR...

Page 8: ...V Physical Dimensions 20 30 Ton Series Model Ground Hydronic Inlet Outlet Inlet Outlet 20 Ton 2 0 MPT 2 0 MPT 2 0 MPT 2 0 MPT 30 Ton 2 0 MPT 2 0 MPT 2 0 MPT 2 0 MPT Physical Data 20 Ton 30 Ton Compres...

Page 9: ...0 0 101 2 113 9 150 7 380 3 173 0 ea 25 0 ea 0 0 0 0 50 0 56 3 80 8 575 3 132 0 ea 23 7 ea 0 0 0 0 47 4 53 3 70 WD240 Model Voltage Code HWG Option 60 Hz OR 50 Hz6 Power Compressor Notes 1 All line a...

Page 10: ...nstallation Potential Problem Chemical s or Condition Range for Copper Heat Exchangers Cupro Nickel Heat Exchanger Ranges Stainless Steel Heat Exchanger Ranges Scaling Calcium Magnesium Carbonate Less...

Page 11: ...des The following are some general observations about the types of brines presently being used Methanol Wood grain alcohol that is considered toxic in pure form It has good heat transfer low viscosity...

Page 12: ...precautions may result in fire injury or death Never work with 100 alcohol solutions Notes 1 Consult with your representative or distributor if you have any questions regarding antifreeze selection or...

Page 13: ...be achieved in two ways 1 A manual toggle switch to select the heating or the cooling hydronic control Aquastat or 2 A cooling thermostat which powers the coil of a single pole double throw relay to...

Page 14: ...mpressor electrical box This module provides advanced diagnostics and protection See chart on next page for Warning and Alert Codes as well as the DIP Switch Settings for these modules Additional info...

Page 15: ...INDICATES THAT THE DISCHARGE GAS TEMPERATURE IS ABOVE 220 F 9 THE L TERMINAL CONTROLS A FAULT LED AT THE THERMOSTAT OR DRIVES AN AUXILLIARY FAULT RELAY 10 UNITS THAT DO NOT CONTAIN A FLOW SWITCH WILL...

Page 16: ...e test mode the LCT SCT sensors will be checked for the proper location based on temperature Sensors are swapped if LCT SCT in cooling or LCT SCT in heating This fault will only show up in the test mo...

Page 17: ...f the two compressors to avoid nuisance low pressure lockouts Heating 1st Stage Y1 The Accessory A terminal output is energized after the random start timer 10s 20s expires to provide time for externa...

Page 18: ...18 Enertech Global IOM WD Models Section 8 Wiring Diagrams WD 240 Series Wiring Diagram...

Page 19: ...19 IOM WD Models Enertech Global Section 8 Wiring Diagrams WD 360 Series Wiring Diagram...

Page 20: ...rce Water Pressure Out Source Water Pressure Drop F F F F F F Heat of Rejection Extraction BTU HR BTU HR F F F F F F Cooling Heating F F F F F F Heating F F F Heating V A GA A Source Water Temp Differ...

Page 21: ...al readings listed in the Unit Electrical Data table 5 Check the source water temperature in and out at the P T ports use insertion probe Allow 10 minutes of operation before recording temperature dro...

Page 22: ...65 3 1 3 2 3 2 3 2 3 1 3 1 3 2 3 5 4 0 3 1 3 1 3 4 3 8 4 4 3 4 3 6 4 0 4 4 5 1 70 3 6 3 7 3 7 3 7 3 6 3 6 3 7 4 0 4 5 3 5 3 6 3 9 4 3 5 0 3 9 4 2 4 5 5 0 5 8 30 0 8 0 8 0 9 1 0 0 9 0 9 1 0 1 0 1 2 0 8...

Page 23: ...mb Antifreeze is generally required for all closed loop geothermal applications Extreme Southern U S locations are the only exception Open loop well water systems cannot use antifreeze and must have e...

Page 24: ...make the project easier to complete ECM Temporary Motor Replacement ECM Motor Troubleshooting Troubleshooting a TXV Compressor Troubleshooting Variable Speed Flow Centers Return Conversion for a XT or...

Page 25: ...loosen pump Take off pump and see if there is an obstruction in the pump If pump is defective replace For pressurized systems check loop pressure Repressurize if necessary May require re flushing if t...

Page 26: ...a sure record the am p s volts suction discharge pressure Y es Y es If the com p ressor still w o n t pum p rep lace com pre ssor A dd re frigerant to the system N o C heck th e opera tion of the reve...

Page 27: ...19 24 19 24 18 22 9 12 Superheat Subcooling Conditions Typical R 410A Unit Superheat Subcooling Values Section 10 Troubleshooting Refrigeration Troubleshooting System Faults Mode Discharge Pressure Su...

Page 28: ...E ____________________ SHIP TO HOMEOWNER ADDRESS Form submitter Ifdifferent than company OTHER NOTES _______________________________________________________________________________ ___________________...

Page 29: ...aller Company Name ________________________________________________________________________________ City _____________________________State Prov __________ Email ______________________________________...

Page 30: ...IOM WD Models Revision Table Date Description of Revision Page WD240 360 Wiring Diagram updated 18 19 06JUL2020 WD 240 360 Rev D Nomenclature added 3 WD 240 360 IOM created ALL Section 11 Warranty Fo...

Page 31: ...31 IOM WD Models Enertech Global This Page Intentionally Left Blank...

Page 32: ...e most up to date information please visit our website or contact our Customer Service department at info enertechgeo com Statements and other information contained herein are not express warranties a...

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