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THIS SYSTEM UTILIZES A PRESSURIZED LOAD CIRCUIT. PLEASE ENSURE THE FOLLOWING:
THIS SYSTEM UTILIZES A PRESSURIZED LOAD CIRCUIT. PLEASE ENSURE THE FOLLOWING:
1. The load side piping is flushed completely and purged of air (see Section 6, Figures 7a to 7j).
2. The differential bypass valve is installed, and in the correct orientation (see page 16 and
1. The load side piping is flushed completely and purged of air (see Section 6, Figures 7a to 7j).
drawing below).
THIS SYSTEM UTILIZES A PRESSURIZED LOAD CIRCUIT. PLEASE ENSURE THE FOLLOWING:
2. The differential bypass valve is installed, and in the correct orientation (see page 16 and
1. The load side piping is flushed completely and purged of air (see Section 6, Figures 7a to 7j).
drawing below).
2. The differential bypass valve is installed, and in the correct orientation (see page 16 and
drawing below).
3. The minimum pump speed is set to allow 5 GPM through the bypass valve
with all zones closed (see page 16) if hydraulic separator or buffer tank is not
used (a hydraulic separator or buffer tank is recommended).
3. The minimum pump speed is set to allow 5 GPM through the bypass valve
with all zones closed (see page 16) if hydraulic separator or buffer tank is not
used (a hydraulic separator or buffer tank is recommended).
3. The minimum pump speed is set to allow 5 GPM through the bypass valve with all zones
closed (see page 16) if hydraulic separator or buffer tank is not used (a hydraulic separator
NOTICE: A flush cart is required for purging air from the load side piping. See WV I.O.M.,
or buffer tank is recommended).
Figures 6a to 6c for valve arrangement and Section 6 (Flushing and Filling) for flushing steps.
NOTICE: A flush cart is required for purging air from the load side piping. See figures 6b to 6d
for valve arrangement and Section 6 (Flushing and Filling) for flushing steps.
NOTICE: A flush cart is required for purging air from the load side piping. See WV I.O.M.,
Figures 6a to 6c for valve arrangement and Section 6 (Flushing and Filling) for flushing steps.
CAUTION
CAUTION
CAUTION
3. The minimu
with all zone
used (a hydrau
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Related Manuals for Enertech WV Series
Summary of Contents for Enertech WV Series
- Page 1 CAUTION CAUTION CAUTION THIS SYSTEM UTILIZES A PRESSURIZED LOAD CIRCUIT. PLEASE ENSURE THE FOLLOWING: THIS SYSTEM UTILIZES A PRESSURIZED LOAD CIRCUIT. PLEASE ENSURE THE FOLLOWING: 1. The load side piping is flushed completely and purged of air (see Section 6, Figures 7a to 7j). 2.
- Page 2 This Page Intentionally Left Blank...
- Page 3 Installation & Operations Manual WV MODELS WATER-TO-WATER HEAT PUMPS 20D826-01NN 20D812-01NN...
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Page 4: Table Of Contents
Outdoor Air Temperature (OAT) ..............................27 Diagram: Heating/Cooling - Radiant - One Zone Control Per Fan Coil (fan coil is Enertech EAH series) ........28 Diagram: Radiant Heating + Fan Coil Heating/Cooling - Two Stage Operation, 1-Radiant/2-Fan - One Zone Control Per Fan Coil (fan coil is Enertech EAH series) ..............................29... - Page 5 WV060 - Heating Part Load................................60 WV060 - Cooling Full Load ................................61 WV060 - Cooling Part Load ................................62 Section 12: Warranty Form and Revision table Warranty Registration Form .................................63 Revision Table ....................................65 WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual...
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Page 6: Section 1: Model Nomenclature
4. CMCC (Compressor Maximum Output Current Limit): This value is the maximum output of the dirve (inverter) to the compressor. Although not significant to the installation (continue to use FLA and MCA for wire/breaker sizing), this value is a required listing for the unit electrical data. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 7: Unit Dimensional Data
LOAD OUT LOAD IN SOURCE OUT SOURCE IN TOP VIEW Enertech recommends a minumum of 4" of clearance on both the left and right sides of the cabinet, in order to guarantee proper cooling of the inverter. LOW VOLTAGE CONNECTION... -
Page 8: Physical Data : Turbomax
5 3/8 12 1/8 43 1/2 01A013-01NN 120 Gal. 77 7/16 69 9/16 12 1/8 6 5/16 1 1/2 28 1/16 5 3/16 13 1/8 43 1/2 20D826-61NN WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 9: Service Access Clearance
A-5 (Right): Requires of minimum of 2 feet of clearance. The right side door gives access to the flow sensors and flow switches in the back of the unit. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... - Page 10 1. All piping will be insulated, except the discharge line. 2. Refer to the controls section for detailed views of the Compressor Filter Drier control box assembly components. 3. Internal wiring not shown in views above. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual...
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Page 11: Section 3: Introduction & Operational Considerations
Before you fully install the geothermal equipment, it is claims. recommended you do the following: Note: Notify Enertech Global, LLC shipping department of all 1. Fully inspect the unit after unpacking damages within 5 days. It is the responsibility of the purchaser to file all necessary claims with the freight company. -
Page 12: Unit Placement
50ft separation. Piping should be insulated with 3/8” wall closed cell insulation. Enertech Global has set forth this policy to ensure installations of Enertech Global geothermal systems are done safely and Note: Copper is the only approved material for piping the properly. -
Page 13: Variable Speed
Section 3: Introduction & Operational Considerations Maintenance Buffer Tank The WV series contains a case cooling fan with an air filter to Buffer tanks are not recommended with Variable speed keep the internal cabinet clean. The filter should be checked heat pumps. -
Page 14: Operation Considerations
Guidelines for Heating Mode Operation usage applications (spa tubs and multi-head showers), a Enertech requires the aquastat setting not to be set above the second water heater might be necessary to meet the hot curve in the following graph. Excessive vibration and part water needs of the customer. -
Page 15: Operating Conditions
Notes: 1. Water temperatures are required not to exceed the acceptable operating conditions. 2. Despite not shown in the heating mode graph, the WV series allows the minimum entering water temperature to be 50 F for the cold start of a water tank. -
Page 16: Section 5: Unit Piping Water Quality
The quality of the water used in hydronic systems is very Note: Once the system has been flushed and filled, Enertech important. In closed loop systems the dilution water (water recommends the use of Fernox F1 (Enertech P/N: F-57880) -
Page 17: Flow Rates And Piping Sizing
Recommended Flow Rates “Home Run” Style Piping (Page #19) Enertech recommends “Home Run” style piping to help facilitate air removal, but also for ease of access to the zone Heat Pump valves. In the “Branch” style piping, branches can be difficult WV060 –... -
Page 18: Interior Piping
The valves will turn in either direction, 360 degrees. Make sure during this process that the valves are in the same position so that air does not become trapped in the system. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 19: Bypass Valve
The flow center can be mounted with the flow paths either device. Enertech recommends zone valves have a CV rating of vertical or horizontal (see Acceptable mounting positions for 1. The load side piping is flushed completely and purged of air (see Section 6, Figures 8.9 or higher to help guarantee proper flow and low pressure... -
Page 20: Pump Mounting
Radiant Tubing/Accessories Review Enertech price books for Mr. Pex radiant products. Air Handler(s) Review Enertech price books for ducted or ductless air handlers. Optional Water Heater Supplied by contractor. Ball Valves, Adapters, Fittings Supplied by contractor. -
Page 21: Piping Diagram - Flow Rates And Piping Sizing
PHYSICAL INJURY IN THE FORM OF SCALDING OR BURNS. AN ANTI-SCALD VALVE MUST BE INSTALLED AT THE HOT WATER TANK OUTLET WITH THE VALVE SETTING PROPERLY ADJUSTED TO PREVENT SCALDING OR BURNS. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 22: Piping Diagram - Heating And Cooling - With Hot Water Fan Coil/Hydronic Air Handler(S) Is 2 Tons Or Larger
THE (2) WYE-STRAINERS SHOWN ABOVE, ARE ALSO PROVIDED WITH THE UNIT. ALL OTHER ITEMS SHOWN NEED TO BE PROVIDED BY THE INSTALLER. BYPASS VALVE (REQUIRED) IS USED TO ENSURE MINIMUM FLOW REQUIREMENTS ARE MET. OPTIONAL NON-PRESSURIZED FLOW CENTER WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 23: Piping Diagram - Heating And Cooling - No Hot Water Fan Coil/Hydronic Air Handler(S) Is 2 Tons Or Larger
THE (2) WYE-STRAINERS SHOWN ABOVE, ARE ALSO PROVIDED WITH THE UNIT. ALL OTHER ITEMS SHOWN NEED TO BE PROVIDED BY THE INSTALLER. BYPASS VALVE (REQUIRED) IS USED TO ENSURE MINIMUM FLOW REQUIREMENTS ARE MET. OPTIONAL NON-PRESSURIZED FLOW CENTER WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 24: Piping Diagram - Heating And Cooling Fan Coil/Hydronic Air Handler(S) Is Less Than 2 Tons
THE (2) WYE-STRAINERS SHOWN ABOVE, ARE ALSO PROVIDED WITH THE UNIT. ALL OTHER ITEMS SHOWN NEED TO BE PROVIDED BY THE INSTALLER. BYPASS VALVE (REQUIRED) IS USED TO ENSURE MINIMUM FLOW REQUIREMENTS ARE MET. OPTIONAL NON-PRESSURIZED FLOW CENTER WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 25: Section 6: Antifreeze
40’s °F. The load solution so within the heat exchanger, and is mid to low price. The biggest down side, it is flammable could be near freezing. To protect against freezing. Enertech in concentrations greater than 25%. recommends the use of Propylene Glycol (20-25%) for the load side antifreeze. -
Page 26: Antifreeze Percentages By Volume Table
2. Some antifreeze suppliers and manufacturers recommend the use of either de-ionized or distilled water with their products. Some brands are designed to work with tap water. Consult the antifreeze manufacturer’s technical data. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 27: Section 7: Field Wiring
MUST be connected to the flow used to access the end of the mating connector. center or the WV will indicate a flow fault. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... - Page 28 Reference the Enertech recommends the HBX ZON-0600 which requires HBX aquastat manual included with the tank. THM-0600 thermostats. HBX ZON-0600 is a good fit when...
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Page 29: Outdoor Air Temperature (Oat)
WV can operate without outdoor reset by setting a static Avoid sun exposure! load water temperature. NOTE: The outdoor temperature is a running one hour average to avoid dramatic shifts. Heating Curves Outdoor Temperature °F WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 30: Diagram: Heating/Cooling - Radiant - One Zone Control Per Fan Coil (Fan Coil Is Enertech Eah Series)
Section 7: Field Wiring Diagram: Heating/Cooling - Radiant - One Zone Control Per Fan Coil (fan coil is Enertech EAH series) Zone 1 Zone 2 Zone 3 Zone 4 Fancoil THM-0600 Thermostat THM-0600 Thermostat THM-0600 Thermostat THM-0600 Thermostat INT. ROOM INT. -
Page 31: Diagram: Radiant Heating + Fan Coil Heating/Cooling - Two Stage Operation, 1-Radiant/2-Fan - One Zone Control Per Fan Coil (Fan Coil Is Enertech Eah Series)
Section 7: Field Wiring Diagram: Radiant Heating + Fan Coil Heating/Cooling - Two Stage Operation, 1-Radiant/2-Fan - One Zone Control Per Fan Coil (fan coil is Enertech EAH series) WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 32: Diagram: Heating/Cooling - Multiple Fan Coils - No Radiant (All Fan Coils Are Enertech Eah Series)
Section 7: Field Wiring Diagram: Heating/Cooling - Multiple Fan Coils - No Radiant (All fan coils are Enertech EAH series) K4 K5 WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 33: Diagram: Heating/Cooling - Multiple Fan Coils - No Radiant (At Least One Fan Coil Has Y/W Inputs)
Section 7: Field Wiring Diagram: Heating/Cooling - Multiple Fan Coils - No Radiant (at least one fan coil has Y/W inputs)* K4 K5 WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 34: Section 8: Equipment Start-Up
Section 8: Equipment Start-Up Flush Cart Design Flush Cart Pump Curve: The Enertech Manufacturing flush cart has been designed to Meyers QP-15 effectively and efficiently flush the earth loop and to facilitate 1-1/2 HP Self-Priming injecting and mixing of the antifreeze. The single most... -
Page 35: Startup Wizard
All systems have dirt and debris not run until the loop is completely flushed, a startup wizard Status LED from the piping, soldering, etc. Enertech recommends using a will guide you through the first start of the system. It keeps Green LED = Power flush cart to the purge the system. -
Page 36: Performance Check
11.7 Source Pump: 5% Heater 1: Inactive WV - Rev. A Models Enter: 55.1 °F Enter: 93.2 °F Heater 2: Inactive Enertech Global, LLC Leave: 49.8 °F Leave: 107.9 °F Installation and Operations Manual MENU ENTER CNTRL MAIN COMP PUMP... -
Page 37: Equipment Start-Up Checklist
9. Check auxiliary heat operation by adjusting the thermostat set point 5°F above the room temperature in “Heat” mode or set thermostat to “Emergency.” Record voltage, amperage, and air temperature difference. 10. Connect HWG wires or turn switch (if equipped) to on position. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 38: Equipment Start-Up Form
°F Auxiliary Heat Elec. Data HEATING Line Voltage V Total AMPS (Full KW – All Stages) A Wire Size GA Breaker Size A CFM = (Watts x 3.413) ÷ (Air Temp. Diff. x 1.08) Watts = Volts x Auxiliary Heat AMPS Installer / Technician: _________________________________________________________________ Date: _______________ WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 39: He/Hr Tables
6. Performance data is based upon the lower voltage of dual voltage rated units. 7. Interpolation of unit performance data is permissible; extrapolation is not. 8. Due to variations in installation, actual unit performance may vary from the tabulated data. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 40: Wpd Tables
HMI (display). The pump is located at the inlet of the heat exchanger (pumping towards the heat exchanger). Therefore checking pressure drop at the P/T plugs will provide pressure drop of the piping system, not the pressure drop across the heat exchanger. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 41: Section 9: Controls
EXV modulate accordingly. NOTE: In some conditions it is normal for the EXV to open 100% and the superheat to be above 8°F. • Pumps throttle down to minimum speed. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 42: Control Boxes
Control Boxes Additionally, two 24VAC transformers are located in this cabinet. The primary transformer uses bus connections to Enertech’s variable speed controls platform is designed to distribute 24VAC throughout the system. provide efficiency, comfort, and safety. The system includes a set of communicating control modules and an EV2 variable NOTE: No field wiring connections are made in this box. -
Page 43: Upper (Main) Control Box
94 95 96 100 101 CAN Bus Comm. LED's RS485 Comm. LED's Orange Flashing LED= Tx/Rx Orange Flashing LED= Tx/Rx Status LED's Red LED= Alarm Green LED= OK Main Module/Controller WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 44: Lower Control Box
CAN Bus Comm. LED's Orange Flashing LED= Tx/Rx DIP Switches 1 = ON 2 = OFF 3 = OFF 4 = OFF CAN Bus Term EXV Valve Driver Module WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 45: Inverter Control Box
-The inverter status LED's should only be viewed/accessed if the HMI displays and 'EV2' alarm. Inverter (EV2) Compressor RS485 Connection Connection to Main Module/Controller DGT Thermistor Connection H.P. Switch Connection WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 46: Wiring Diagram
Section 9: Controls Wiring Diagram NOTE: The 41P* numbers called out in italics are Enertech’s wiring harness part numbers. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 47: User Interface
Power Supply Connection 1. Set the system to operate in “Manual” mode. 2. Ensure the source-side water flow rate is at or above 12 NOTE: The 41P* numbers called out in italics are Enertech’s Power Supply GPM. wiring harness part numbers. - Page 48 Htr Stgs: 0 S Coil: 55.7 °F MAIN COMP PUMP STATS MENU ALARM WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual Indoor Climate Pumps Load Load Aux Heat Mode: Economy Cool Stpt: 45.0 °F 35 %...
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Page 49: Interface: Menu Settings
Control Mode: Auto uses ΔT control of the pumps (default). Manual allows setting a specific speed. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual System Indoor Climate Operate Mode:... -
Page 50: Interface: Alarms
• The PROBE menu shows failed sensors (such as Configuration Version: Versioning information for the unplugged or bad thermistors) configuration. Any sub-menu that is currently in fault condition will be indicated by that menu name flashing. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... - Page 51 Source Loss of Flow (Feedback) 0 h :14 m Source Loss of Flow (Feedback) MAIN The following tables provide a listing and description of the possible fault codes. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual...
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Page 52: Fault Codes : Alarm
30 seconds. Source Temperature Check Pump Circuit Breaker in unit Cycles two times on warnings, Pumps are under sized Third time it locks out. Check Antifreeze Mixture Check Thermistors WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... - Page 53 3°F for 30 seconds. Cycles EXV Stuck Open EXV Stuck Open Low Superheat two times on warnings, Third time Unit Over Charged Unit Over Charged it locks out. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual...
- Page 54 Source coil (T2) thermistor below Undersized Loop Source Coil Min Temp 15°F for 30 seconds. Cycles two Pumps not running (Refrigerant) times on warnings, Third time it Check Pump Circuit Breaker in unit locks out. Pumps are under sized Check Antifreeze Check Thermistor Heating or DHW Mode: Cooling Mode: Check Voltage to the Reversing Valve Solenoid Check Voltage to the reversing Valve Solenoid The system has been running for at Should be 0 Volts Should be 24 Volts least 60 seconds of the same call. Check upper Transformer for 24V and The load coil (T1) and source coil Transformer Circuit Breaker Reversing Valve Failure (T2) thermistors indicate the refrigerant temperatures in the wrong orientation for the requested call. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual...
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Page 55: Fault Codes : Inverter (Variable Speed) Drive
Clean Air Filter. Verify proper airflow over the Inverter High Inverter is getting to Hot. heatsink of the drive. Remove any obstructions. Temperature If problem persists, replace the drive. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 56: Fault Codes : Hmi Display
ASC - Anti Short Cycle (Compressor is in time delay) Main Screen, Status Button Run - Compressor is on Shdn - Compressor is shutting down Lkout - Compressor has locked out Domestic Hot Water WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 57: Section 11: Extended Data Tables
3. Any condition outside this performance table is not allowed to ensure safe and continuous operation. 4. Performance data accurate within ±15%. WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual 5. Unit performance test is run without hot water generation. -
Page 58: Wv040 - Heating Part Load
2. Capacity data is based on 15% (by mass) methanol antifreeze solution (multiplier: 485) on the source side and pure water (multiplier: 500) on the load side. 3. Any condition outside this performance table is not allowed to ensure safe and continuous operation. WV - Rev. A Models Enertech Global, LLC 4. Performance data accurate within ±15%. Installation and Operations Manual 5. -
Page 59: Wv040 - Cooling Full Load
3. Any condition outside this performance table is not allowed to ensure safe and continuous operation. WV - Rev. A Models 4. Performance data accurate within ±15%. Enertech Global, LLC Installation and Operations Manual 5. Unit performance test is run without hot water generation. -
Page 60: Wv040 - Cooling Part Load
3. Any condition outside this performance table is not allowed to ensure safe and continuous operation. WV - Rev. A Models 4. Performance data accurate within ±15%. Enertech Global, LLC Installation and Operations Manual 5. Unit performance test is run without hot water generation. -
Page 61: Wv060 - Heating Full Load
3. Any condition outside this performance table is not allowed to ensure safe and continuous operation. 4. Performance data accurate within ±15%. WV - Rev. A Models Enertech Global, LLC 5. Unit performance test is run without hot water generation. Installation and Operations Manual 6. -
Page 62: Wv060 - Heating Part Load
3. Any condition outside this performance table is not allowed to ensure safe and continuous operation. 4. Performance data accurate within ±15%. WV - Rev. A Models Enertech Global, LLC 5. Unit performance test is run without hot water generation. Installation and Operations Manual 6. -
Page 63: Wv060 - Cooling Full Load
WV - Rev. A Models 5. Unit performance test is run without hot water generation. Enertech Global, LLC Installation and Operations Manual 6. Capacity data includes the load-side internal pump power but not the source-side pump power and it does not reflect pump power correction for AHRI/ISO conditions. -
Page 64: Wv060 - Cooling Part Load
WV - Rev. A Models 5. Unit performance test is run without hot water generation. Enertech Global, LLC Installation and Operations Manual 6. Capacity data includes the load-side internal pump power but not the source-side pump power and it does not reflect pump power correction for AHRI/ISO conditions. -
Page 65: Section 12: Warranty Form And Revision Table Warranty Registration Form
1 (Very Dissatisfied) 10 (Very Satisfied) Mail this forM to: EMail this forM to: fax this forM to: ENErTEch Global llc warraNTy@ENErTEchUSA.coM ENErTEch Global llc 2506 SouTh ElM STrEET 618.664.4597 GrEENvIllE, Il 62246 rEgistEr onlinE at: support.enertechusa.com/warranty-registration... - Page 66 This page left blank for Warranty Form detachment. Warranty Claim(s) For warranty claims, the Installer/Dealer can visit: http://warranty-claim.enertechgeo.com WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual...
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Page 67: Revision Table
09MAY2019 Hot Water Capabilities and Physical Data updated Hydro-Connect Zone Panels information added Wiring Diagram Selection Chart updated. Updated verbiage on load side antifreeze 15MAR2019 Updated inspection information WV - Rev. A Models Enertech Global, LLC Installation and Operations Manual... - Page 68 MEMBER Enertech Global is continually working to improve its products. As a result, the price, design and specifications of each product may change without notice and may not be as described herein. For the most up-to-date information, please visit our website, or contact our Customer Service department at info@enertechgeo.com.
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