Enertech HP Models Installation And Operation Manual

Hp models water-to-water heat pumps
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Installation and Operations Manual
HP Models Water-to-Water Heat Pumps
Revision B
20D811-01NN
20D811-01NN

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Summary of Contents for Enertech HP Models

  • Page 1            Installation and Operations Manual HP Models Water-to-Water Heat Pumps Revision B 20D811-01NN 20D811-01NN...
  • Page 2: Table Of Contents

    Table of Contents Section 1: HP Unit Nomenclature HP Model Unit Nomenclature ������������������������������������������������������������������������������������������������������������������������������������������������������������ 4 Section 2: Installation Introduction Introduction ���������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 5 Inspection ������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 5 Unit Protection ����������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 5 Storage ����������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 5 Pre-Installation Steps:������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 5 Components ��������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 6 Consumer Instructions ����������������������������������������������������������������������������������������������������������������������������������������������������������������������� 6 Equipment Installation �����������������������������������������������������������������������������������������������������������������������������������������������������������������������...
  • Page 3 Section 12: Unit Electrical Data-Electrical Connections Unit Electrical Data and Connections ����������������������������������������������������������������������������������������������������������������������������������������������� 36 Section 13: Warranty Forms and Revision Table Warranty Order & Claim Form ��������������������������������������������������������������������������������������������������������������������������������������������������������� 37 Warranty Registration Form ������������������������������������������������������������������������������������������������������������������������������������������������������������� 38 Revision Table ����������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 39 HP IOM, Rev. B Enertech Global...
  • Page 4: Section 1: Hp Unit Nomenclature

    B = Current Revision A = N/A Voltage: Hot Water Configuration: 1 = 208- 230V, 60Hz, 1Ph (Residential) 0 = None    ENERTECH GLOBAL, LLC 2506 S. ELM STREET  GREENVILLE, IL 62246 (618) 664-9010    ...
  • Page 5: Section 2: Installation Introduction

    If not filed within 5 days the freight company can deny all the unit before operating. claims� Note: Notify Enertech Global, LLC shipping department of all damages within 5 days. It is the responsibility of the purchaser to file all necessary claims with the freight company.
  • Page 6: Components

    Enertech Global has set forth this policy to ensure installations of Enertech Global geothermal systems are done safely and ⚠ CAUTION ⚠...
  • Page 7: Section 3: Installation Considerations

    Guidelines for Heating Mode Operation The graph below shows the parameters that are safe for compressor operation. Enertech requires that the controls maintain the temperatures within the operating temperature shown Two common extreme conditions to be aware of are as in the following graph.
  • Page 8: Buffer Tanks

    Using the same conditions for maximum heating and • Locate the Unit Start-Up form from this manual and have it cooling capacity mentioned above, non-pressurized buffer available as the unit installation proceeds. tanks require 6 U.S. gallons per ton. Enertech Global HP IOM, Rev. B...
  • Page 9: Section 4: Unit Dimensional Data

    Notes: Notes: - Electrical connections are 1" DIA for high voltage, & 1/2" DIA for low voltage. - Electrical connections are 1" DIA for high voltage, & 1/2" DIA for low voltage.   HP IOM, Rev. B Enertech Global...
  • Page 10: Section 5: Unit Piping Installation

    Not recommended for Valve Units Exchanger 3 ton and smaller� Use Maintenance single solenoid and flow (2 required) regulator� *Hose kit used for unit isolation, includes fittings for P/T ports. **See product specifications for flow rates. Enertech Global HP IOM, Rev. B...
  • Page 11: Water Quality

    Secondary heat exchangers are required for pool or other applications not meeting the requirements shown above. 4� Saltwater applications (approx. 25,000 ppm) require secondary heat exchangers due to copper piping between the heat exchanger and the unit fittings. 5� Filter for maximum of 600 micron size. HP IOM, Rev. B Enertech Global...
  • Page 12: Typical Installation With Vented Coaxial Heat Exchanger

    - Other components as required by local code High Limit Bulb Electric Stainless Steel Pump Water Heater rated for potable water (Enertech part # AGPS2699S230) Equipment Pad Shutoff Drain Valves Valve Typical Installation with Unvented Coaxial Heat Exchanger (Radiant Heating)
  • Page 13: Dhw Tank Wiring

    Some aqua-stats use plastic sensors, which Step #2: Remove wires from elements and may not react quickly. connect the two wires with wire nuts. Electric Water Heater Wiring (thermostat for HP heating call) HP IOM, Rev. B Enertech Global...
  • Page 14 Radiant Floor Heating Only, Up to Six Zones Section 5: Unit Piping Installation (Optional Separate Cooling System) Radiant Floor Zone Panel WIring (Enertech Part # HCS-DC-H01-PM --part # includes buffer tank) Hydro-Connect Low Voltage Wiring: ---- ZONE 1 ---- ---- ZONE 2 ----...
  • Page 15: Interior Piping

    O-ring adapters to transition to 1” hose connection. Typical Single Unit Piping Connection (Pressurized Flow Center) To/From Loop Field Flow Center Ports Source Water In Hose HP Series Source Water Out Equipment Pad HP IOM, Rev. B Enertech Global...
  • Page 16: Typical Non-Pressurized Flow Center Installation

    From/To Loop Field Flush Valve Hose Source Flow Water In HP Series Center Ports Source Water Out Equipment Pad Enertech Global HP IOM, Rev. B...
  • Page 17: Apsma Module Layout

    (Y1 & C From Thermostat) (Y1 & C From Thermostat) APSMA Module Wiring Schematic Figure 2: Board Schematic Bridge 24VAC input 240VAC input Diode from unit #1 24VAC input Diode 240VAC to pump(s) from unit #2 HP IOM, Rev. B Enertech Global...
  • Page 18: Section 6: Antifreeze

    Methanol: Wood grain alcohol that is considered toxic in pure form. It has good heat transfer, low viscosity, is non-corrosive, and is mid to low price. The biggest down side is that it is flammable in concentrations greater than 25%. Enertech Global HP IOM, Rev. B...
  • Page 19: Specific Gravity Chart

    Use only in a well ventilated area. Do not smoke when handling flammable solutions. Failure to observe safety precautions may result in fire, injury, or death. Never work with 100% alcohol solutions. HP IOM, Rev. B Enertech Global...
  • Page 20: Antifreeze Charging

    Heat Transfer Fluid (HTF) Mix according to manufacturer’s directions on container label Antifreeze solutions are shown in pure form - not premixed HTF is a premixed Methanol solution *Concentrations below 25-30% (consult manufacturer) typically require additional inhibitors. Enertech Global HP IOM, Rev. B...
  • Page 21: Section 7: Controls

    Features Test Mode The Lockout Board allows the technician to shorten timing Enertech Global geothermal heat pump controls leverage a delays for faster diagnostics by placing the DIP switch ‘TEST’ modular approach for controlling heat pump operation. The switch in the ON position (See ‘Settings’ section). It should be control system uses a combination of printed circuit boards, moved back to OFF for normal operation after testing.
  • Page 22: Load Heat Exchanger Freeze (Lct)

    Under voltage (<18VAC) causes the compressor to disengage and restart when the voltage returns to >20VAC. Over voltage (>31VAC) causes the compressor to disengage and restart when the voltage returns to <29VAC. Enertech Global HP IOM, Rev. B...
  • Page 23: Lockout Board Led Identification Table

    FLASH HOT GAS LINE LOCKOUT > 220F (T2) FLASH LOCKOUT BOARD JUMPERS INSTALLED REMOVED JUMPER T1 & T4 MONITORED FOR FLOW‐ 'FS'  FS' TERMINALS USED FOR FLOW SWITCH‐ T1  FS  TERMINALS IGNORED & T4 IGNORED OPEN LOOP MODE‐ 30F SETTING FOR  A‐FRZ CLOSED LOOP MODE‐ 15F SETTING FOR T4 OPERATES IN NORMAL MODE WITH  OPERATES IN TEST MODE WITH DELAYS  TEST STANDARD DELAYS SPED UP O/ V FEATURE IS ACTIVE FEATURE IS INACTIVE NOTES: 1. THE 'L' TERMINAL CONTROLS A FAULT LED AT THE THERMOSTAT OR DRIVES AN AUXILIARY FAULT RELAY. 2. WHEN THE TEST JUMPER IS PULLED, GREEN STATUS LED WILL BE OFF. 3. DEPENDING UPON MODEL, THE SOURCE COIL FRZ/ WATER FLOW FAULT OR LOCKOUT CAN BE AN INTERNAL OR EXTERNAL FLOW SWITCH (FS), OR A SENSOR (T4) LOCATED BETWEEEN THE TXV AND SOURCE COIL. 4. THE LOAD/ AIR COIL FREEZE PROTECTION SENSOR IS LOCATED BETWEEN THE TXV AND LOAD/ AIR COIL. 5. NOT ALL MODELS HAVE THIS FEATURE. 6. THIS FAULT INDICATES A BAD SENSOR (OPEN, SHORTED, OR DISCONNECTED). 7. THIS CAN ONLY BE CHECKED WHILE IN TEST MODE. 8. HOT GAS LINE IS TOO HOT. REV A. 03/25/16 HP IOM, Rev. B Enertech Global...
  • Page 24: Lockout Board Dip Switches

    An over/under voltage condition could cause premature component failure or damage to the unit controls. Any condition causing this fault must be thoroughly investigated before taking any action regarding the jumper removal. Enertech Global HP IOM, Rev. B...
  • Page 25: Section 8: Wiring Diagram

    Section 8: Wiring Diagram Single Stage, Single Phase, 208/230V, 60hz, Residential HP IOM, Rev. B Enertech Global...
  • Page 26: Section 9: Equipment Start-Up

    Heating Line Voltage Total Amperage (Full kW - All Stages) Wire Size Breaker Size CFM = (Watts X 3.413) ÷ (Air Temp. Difference X 1.08) Watts = Volts X Auxiliary Heater Amps Installer/Technician:____________________________________________ Date:________________________ Enertech Global HP IOM, Rev. B...
  • Page 27: Equipment Start-Up Process Form

    5. Check the source water difference. temperature in and out at the P/T ports (use insertion probe). Allow 10 minutes of operation before recording temperature drop. 6. Calculate the heat of extraction or heat of rejection. HP IOM, Rev. B Enertech Global...
  • Page 28: He Table

    5. Performance data is based upon the lower voltage of dual voltage rated units. 6. Interpolation of unit performance data is permissible; extrapolation is not. 7. Due to variations in installation, actual unit performance may vary from the tabulated data. Enertech Global HP IOM, Rev. B...
  • Page 29: Section 10: Troubleshooting: Wpd Table

    A 10% variance from Spec Manual is allowed. Always use the same pressure gauge & temperature measuring device. Water flow must be in range of Specification Manual. If system has too much water flow, performance problems should be expected. HP IOM, Rev. B Enertech Global...
  • Page 30: Troubleshooting

    CFM. Water sucking out of the Install an EZ-Trap or P-Trap on the drain outlet so blower cannot suck air back through the drain outlet. drain pan Enertech Global HP IOM, Rev. B...
  • Page 31 't p u m p o f th e re v e rs in g re p la c e c o m p re s so r. v a lv e . HP IOM, Rev. B Enertech Global...
  • Page 32: Refrigeration Troubleshooting

    Low/Normal Inadequate Compression Cool High High/Normal Low/Normal Superheat/Subcooling Conditions Superheat Subcooling Condition Normal Normal Normal operation Normal High Overcharged High Undercharged High High Restriction or TXV is stuck almost closed TXV is stuck open Enertech Global HP IOM, Rev. B...
  • Page 33: Hp Operating Parameter Table

    6-19 21-32 12-16 12-31 205-291 150-176 14-29 25-36 16-19 16-40 321-409 159-182 12-23 22-32 14-17 15-38 413-506 165-188 11-20 21-32 12-15 14-36 494-620 170-194 8-19 22-33 11-14 13-35 583-683 172-197 6-19 23-34 9-12 12-32 HP IOM, Rev. B Enertech Global...
  • Page 34: Water-To-Water Unit (Heating Mode)

    Water OUT Water IN Load °F Source Liquid Line (Heating) Water IN Water OUT °F °F °F °F Source (loop) psig Load IN (Saturation) Discharge Line (Saturation) psig (Suction Line) DISCHARGE SUCTION °F (Suction Temp) Enertech Global HP IOM, Rev. B...
  • Page 35: Section 11: Unit Electrical Data

    “light dimming”. The total electrical system should be evaluated by an electrician and HVAC technician. The evaluation should include connections, sizes of wires, and size of the distribution panel between the unit and the utility’s connection. The transformer connection and sizing should be evaluated by the electric utility provider. HP IOM, Rev. B Enertech Global...
  • Page 36: Section 12: Unit Electrical Data-Electrical Connections

    Section 12: Unit Electrical Data-Electrical Connections       Unit Electrical Data and Connections                 Enertech Global HP IOM, Rev. B...
  • Page 37: Warranty Order & Claim Form

    3) Outsourced warranty replacement parts will be reimbursed in the form of credit for the part only. Credit will be no more than the standard equivalent part cost through Enertech. 4) Factory pre-approval is required for anything outside the scope of this document.
  • Page 38: Warranty Registration Form

    How would you rate your overall satisfaction with your installing geothermal contractor? 1 (Very Dissatisfied) 10 (Very Satisfied) MAIL THIS FORM TO: EMAIL THIS FORM TO: FAX THIS FORM TO: ENERTECH GLOBAL LLC WARRANTY@ENERTECHGEO.COM ENERTECH GLOBAL LLC 2506 SOUTH ELM STREET 618.664.4597 GREENVILLE, IL 62246 REGISTER ONLINE AT: warranty-registration.enertechgeo.com...
  • Page 39: Revision Table

    HP Rev B Unit Connections Diagram added HP Rev B Unit Electrical Data added Water-To-Water Heating Mode Diagram added 27JUN2019 HP Rev B Wiring Diagram added Rev B Nomenclature added HP Rev B IOM created HP IOM, Rev. B Enertech Global...
  • Page 40 Customer Service department at info@enertechgeo.com. Statements and other information contained herein are not express warranties and do not form the basis of any bargain between the parties, but are merely Enertech Global’s opinion or commendation of its products.

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