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A New Era with Advantage...
Enertech's Advantage system was painstakingly engineered to function flawlessly between space conditioning and
domestic hot water. Our indoor module has truly set the bar with the first turnkey total comfort solution. With its
integrated electric or dual fuel option, each backing up heating and DHW, you'll never be left out in the cold!
• No More Buffer Tanks, Free Up Floor Space
• Massive Labor & Accessories $avings
• Integrated Pumping & Controls
• Onboard Emergency Backup
Installation & Operations Manual
AV MODELS OUTDOOR AIR-TO-WATER HEAT PUMPS
MD/ME MODELS INDOOR MODULE
20D826-01NN
20D826-01NN
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Troubleshooting
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Summary of Contents for Enertech AV Series
- Page 1 MD/ME MODELS INDOOR MODULE A New Era with Advantage... Enertech’s Advantage system was painstakingly engineered to function flawlessly between space conditioning and domestic hot water. Our indoor module has truly set the bar with the first turnkey total comfort solution. With its integrated electric or dual fuel option, each backing up heating and DHW, you’ll never be left out in the cold!
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Page 2: Table Of Contents
Diagram: Heating/Cooling - Radiant - One Fan Coil (fan coil is Enertech MPH series) ..............40 Diagram: Heating/Cooling - Multiple Fan Coils - No Radiant (All fan coils are Enertech MPH series) ..........41 Diagram: Heating/Cooling - Multiple Fan Coils - No Radiant (at least one fan coil has Y/W inputs)* ..........42 AV : MD/ME - Rev. - Page 3 Indoor Unit LED Status ..................................68 Indoor, Outdoor, and Inverter Alarms Tables ..........................69 Section 11: Warranty Form and Revision Table Warranty Registration Form .................................73 Revision Table ....................................75 AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual...
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Page 4: Section 1: Model Nomenclature
Unit Capacity (Nominal MBTUH): PROPRIETY AND CONFIDENTIAL 000 = All Sizes THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF ENERTECH GLOBAL, LLC. ANY REPRODUCTION IN PART OR AS A WHOLE, WITHOUT WRITTEN CONSENT, IS PROHIBITED. Revision: A = Current Revision AV : MD/ME - Rev. -
Page 5: Section 2: Product & Unit Data
AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual ... -
Page 6: Eav Series Outdoor Unit Labels
Load In from Indoor Module Connection Condensate Drain Pan Serial Number Data Plate EAV Outdoor Unit Side Panel Removal Unscrew the screws and lift off the cover AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 7: Eav Unit Electrical Layout
Thermistor, Thermistor, Compressor Switch Suction Gas Liquid Line, Discahrge (BP1) (BT17) Crankcase Heating (BT14) Low Pressure High Pressure Heater (qty 2) (BT15) Switch Transducer (BP8) (BP9) AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 8: Eav Unit Refrigerant Circuit Layout
Heat Exchanger EEV, Subcooler L E K Connection, Fluid from Indoor Unit Compressor Service Port, Filter Drier Suction Pressure Reversing Valve Service Port, Discharge Pressure Compressor (GQ10) AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 9: Unit Dimensional Data : Md/Me
AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual ... -
Page 10: Eme/Emd Unit Labels
In from Hydronic Zones Out to Hot Water Tank In from Outdoor Unit In from Hot Water Tank Out to To Remove Panel Outdoor Remove (3) screws Unit AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 11: Eme/Emd Unit Interior Layout
Immersion Heater Bypass Valve Water Solenoid Valves Circulation Pump Flow Meter Flush Valves Expansion Tank Y-Strainer AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 12: Unit Electrical Data : Av
The transformer connection and sizing should be evaluated by the electric utility provider. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 13: Section 3: Introduction & Operational Considerations
4. Verify that all refrigerant tubing is free of dents and kinks. Refrigerant tubing should not be touching other Note: Notify Enertech Global, LLC shipping department of all unit components. damages within 5 days. It is the responsibility of the purchaser 5. -
Page 14: Consumer Instructions
If your project falls outside of the provided guidelines Enertech Global has set forth this policy to ensure installations for water flow or BTU’s, please call our Design Services. -
Page 15: Designing The System
Based upon Enertech lab testing, draws of 5 gpm for a DHW heating. The advantage of the internal electric heat is sustained period from the water heater will cause the supply that duct heaters and second water heaters are not needed. -
Page 16: Operating Conditions
Section 3: Introduction & Operational Considerations Operating Conditions Operating Range (Heating Mode) Supply Temperature Supply Temperature Safety Buffer Return Temperature ‐20 Outdoor Temperature ( Operating Range (Cooling Mode) Supply Temperature Return Temperature Outdoor Temperature ( AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 17: Outdoor Unit
Section 3: Introduction & Operational Considerations Outdoor Unit Enertech Recommendations for All EAV Unit Applications Use original accessories and the stated components for the installation. Install the unit in a location with good support. Unsuitable installation locations can cause the unit to fall Zone Piping: All zone piping should be “Home Run”... -
Page 18: Section 4: Outdoor Installation Considerations
40 inches. However, free space in front must be 40 inches for future servicing. Notice the location of the controls and the compressor towards the right side of the unit. *All measurements are in inches. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 19: Pipe Connections
Da ta Se rie .nr . 711453 A rt.nr. Snow Stand (Available in 12” & 18” Models) 1-5/8” Insulation included with Flex Tubing kit. 12 feet total. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... - Page 20 OTHER METHODS, SUCH AS LINK-SEAL HYDROSTATIC SEALS ARE ACCEPTABLE, AS WELL. Foundation or Wall End of Pipe Sleeve Must Be a Minimum of 1” Beyond Wall AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual...
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Page 21: Section 5: Unit Piping
The quality of the water used in hydronic systems is very important. In closed loop systems the dilution water (water Note: Once the system has been flushed and filled, Enertech mixed with antifreeze) must be of high quality to ensure recommends the use of Fernox F1 (Enertech P/N: F-57880) adequate corrosion protection. -
Page 22: Flow Rates And Piping Sizing
(same for the 3 circuit manifold). performance. “Home Run” Style Piping (Page #25) Enertech recommends “Home Run” style piping to help facilitate air removal, but also for ease of access to the zone Recommended Flow Rates valves. In the “Branch” style piping, branches can be difficult... -
Page 23: Load Piping
Note: If it is determined that any of the zone’s flow rates are less than 5 GPM, a pressure differential bypass valve is required for proper unit operation (Enertech P/N: ADBV4A). AV : MD/ME - Rev. A Models Enertech Global, LLC... -
Page 24: Pump Mounting
Differential bypass valve Included ADBV4A Internal to Indoor Module Air Handler(s) See Notes Review Enertech price books for MPH Series air handers Radiant Tubing/Accessories See Notes Review Enertech price books for Infloor products Optional elect. or gas wtr htr Supplied by contractor... -
Page 25: 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. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 26: Piping Diagram - Indoor Module
FIELD PROVIDED FOR FUTURE SERVICE MOUNT AT THE HIGHEST POINT ON THE RETURN LINE. ALWAYS CHECK LOCAL CODE REQUIREMENTS TO ENSURE THAT THE INSTALLATION MEETS CURRENT REGULATORY STANDARDS. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 27: Piping Diagram - Radiant Floor
FIELD PROVIDED FOR FUTURE SERVICE MOUNT AT THE HIGHEST POINT ON THE RETURN LINE. ALWAYS CHECK LOCAL CODE REQUIREMENTS TO ENSURE THAT THE INSTALLATION MEETS CURRENT REGULATORY STANDARDS. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 28: Piping Diagram - Hydronic Air Handler
FIELD PROVIDED FOR FUTURE SERVICE MOUNT AT THE HIGHEST POINT ON THE RETURN LINE. ALWAYS CHECK LOCAL CODE REQUIREMENTS TO ENSURE THAT THE INSTALLATION MEETS CURRENT REGULATORY STANDARDS. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 29: Flush Cart Design
Section 5: Unit Piping ⚠ WARNING ⚠ Flush Cart Design The Enertech Manufacturing flush cart has been designed to effectively and efficiently flush the earth loop and to facilitate MAKE SURE TO ISOLATE THE DOMESTIC WATER TANK injecting and mixing of the antifreeze. -
Page 30: Flushing Diagram - Outdoor Unit Heat Exchanger And Piping
MANUAL AIR VENT USE AGFP DOUBLE O-RING X CAM ADAPTERS “OFF” TO “OFF” TO THE TOP THE TOP FLUSHING HOSES (MUST FLOW IN DIRECTION OF STRAINER) AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 31: Flushing Diagram - Hot Water Tank
COLD DHW IN LOAD LOAD IN *FLUSHING CART *FLUSHING BUCKET (USE AGFP DOUBLE 0-RING (USE AGAMGH DOUBLE 0-RING x x CAM ADAPTERS) MALE GARDEN HOSE ADAPTERS) AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 32: Flushing Diagram - Distribution Zones
DHW IN LOAD LOAD IN AD IN *FLUSHING CART *FLUSHING BUCKET (USE AGFP DOUBLE 0-RING (USE AGAMGH DOUBLE 0-RING x x CAM ADAPTERS) MALE GARDEN HOSE ADAPTERS) AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 33: Flushing Diagram - Indoor Module
COLD DHW IN LOAD LOAD IN *FLUSHING CART *FLUSHING BUCKET (USE AGFP DOUBLE 0-RING (USE AGAMGH DOUBLE 0-RING x x CAM ADAPTERS) MALE GARDEN HOSE ADAPTERS) AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 34: 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 35: 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. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 36: Monobloc Requirements
In Northern U.S. and some Canadian sufficient burst protection for times where power may be climates, 35% or more must be used. Enertech recommends interrupted to the unit during extremely cold temperatures. 25% or higher concentration, depending upon location. -
Page 37: Section 7: Field Wiring
Introduction Communication • EAV does not include a circuit breaker on the incoming EAV communicates with Enertech indoor modules/control power supply. The heat pump’s supply cable must be modules by connecting a 3-conductor, shielded cable (max connected to a circuit breaker. A disconnect must be area 0.75 mm²) to terminal block X22:1–4, as shown in the... -
Page 38: Domestic Water Heating Controls
TEMPERATURE, THE SYSTEM MAY NOT BE ABLE TO SATISFY THE DEMAND. Step 2: Drill hole through snap bushing Note: Take caution to not damage any components behind snap bushing. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 39: Space Conditioning Controls
CALLING AT THE SAME TIME AS THE FAN COIL, 125°F WATER WILL ALSO BE SUPPLIED TO THE FLOOR. EAV Input Requirements from Zone Panel ENERTECH RECOMMENDS THAT A DUAL SENSING THERMOSTAT BE USED FOR RADIANT ZONES WHEN The EME/EMD field wiring terminal board requires the... -
Page 40: Diagram: Heating/Cooling - Radiant - One Fan Coil (Fan Coil Is Enertech Mph Series)
Section 7: Field Wiring Diagram: Heating/Cooling - Radiant - One Fan Coil (fan coil is Enertech MPH series) Fancoil Zone 1 Zone 2 Zone 3 Zone 4 THM-0600 Thermostat THM-0600 Thermostat THM-0600 Thermostat THM-0600 Thermostat INT. ROOM INT. ROOM INT. ROOM INT. -
Page 41: Diagram: Heating/Cooling - Multiple Fan Coils - No Radiant (All Fan Coils Are Enertech Mph Series)
Section 7: Field Wiring Diagram: Heating/Cooling - Multiple Fan Coils - No Radiant (All fan coils are Enertech MPH series) K4 K5 AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 42: 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 AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 43: Section 8: Controls
DHW to hydronic heating/cooling. flow rate of less than 5.0 GPM, it will attempt to increase the minimum flow percentage until 5.0 GPM is achieved. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 44: Troubleshooting
Defrost may be activated manually for service or testing - Activate “de-icing fan” (menu 5.11.1.1). purposes. A toggle switch is located in the “Manual Control” menu at the HMI. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 45: Outdoor Air Temperature (Oat)
Human Comfort Limits Max. Temperature, deg. F Floors in occupied areas Floors in perimeter areas Floors in bathrooms Floors in hallways, secondary rooms Heating Curves Outdoor Temperature °F AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 46: Control Box : Av
Connections to Indoor Unit (X22) Line Voltage Control Box : MD/ME Field Wiring and RS-485 Connection ASB Com- panion Board (ACB) Actuator - Sensor Board (ASB) AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 47: Components
HMI as well as flow faults and stages, and the three way valve. 24VAC from the transformer alarms. is fed into the ASB for use on these outputs. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 48: Wiring Diagram : Av
Section 8: Controls Wiring Diagram : AV AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 49: Wiring Diagram : Md
Section 8: Controls Wiring Diagram : MD AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 50: Wiring Diagram : Me
Section 8: Controls Wiring Diagram : ME AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 51: Wizard : Menu System
• Press the menu button. • Scroll to and press “5 Manual Control” 0.1 Menu 0.2 Menu 2.1 Outdoor Status Menu 2.2 Menu 2.3 Menu AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual 1.2 Menu 1.3 Menu... -
Page 52: Wizard : Pump Control
• Hot Water Deadband: Temperature difference from 3.7.2 Load Pump Max Speed 3.7.3 Delta Temp H 3.9.0.1 3.9.0.2 setpoint to minimum temperature the tank can drop to before heat pump is engaged. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 53: Wizard : Indoor Climate
(Heat Economy mode = OFF) 3.1.1 After Code (note: le name is 3.1.0.BMP) 3.1.1 Aux Heat Delay AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual Min Temp 3.4.2 Heat Max Temp 3.4.3 Cool Setpoint 3.5.0... -
Page 54: Wizard : Defrost Settings
Load Valve Open OFF: The HW tank will be used as a source of heat instead to prevent the water from freezing during a defrosting cycle. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 55: Section 9: Equipment Start-Up
3. Ensure that the EAV is connected to the power source. EAV communicates with the Enertech indoor module/control 4. Reinstall the removed panels and cover. module, which means that all settings and measurement 5. - Page 56 NEXT. valves and press NEXT. Completely flush every circuit until it is void of all air. Step 10 Step 11 Step 12 AV : MD/ME - Rev. A Models Enertech Global, LLC 3.10.1.10 Installation and Operations Manual...
- Page 57 3.11.0.1.1 Update Button 3.12.0.1.1 Re Step 19 Step 20 Step 21 AV : MD/ME - Rev. A Models 3.12.0.1.1 Reset Button 3.11.0.1.1 Update Button 3.10.1.17 3.12.0.1.1 Reset Button 3.11.0.1.1 Update Button 3.12.0.1.1 Reset Button Enertech Global, LLC Installation and Operations Manual...
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Page 58: Equipment Startup Checklist
Insulation Condensate Drain, Thickness Note: Check the connections, main voltage and low voltage before the machine is started, to prevent damage to the heat pump electronics. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 59: Wpd Tables
AV060 12.0 11.1 10.0 14.0 14.5 13.1 12.4 12.0 15.0 16.5 14.9 14.1 13.6 16.0 18.4 16.7 15.9 15.1 1. Load WPD data are based on 15% (by volume) methanol solution while the unit and the load‐side pump are off. 2. Pressure drop data accurate within ±25%. 3. Unit test is run without hot water generation. 4. Interpolation of unit pressure drop data is permissible; extrapolation is not. 5. Pressure drop data is a result of lab testing and is not related to warranty. 6. Due to variations in installation, actual unit performance may vary from the tabulated data. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 60: Section 10: Troubleshooting
Section 10: Troubleshooting Refrigerant Circuit - Cooling Mode AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 61: Refrigerant Circuit - Heating Mode
Section 10: Troubleshooting Refrigerant Circuit - Heating Mode AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 62: Refrigerant Circuit - Vapor Injection Heating Mode
Section 10: Troubleshooting Refrigerant Circuit - Vapor Injection Heating Mode AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 63: Refrigerant Circuit - Active Defrost Mode
Section 10: Troubleshooting Refrigerant Circuit - Active Defrost Mode AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 64: Refrigerant Circuit - Passive Defrost Mode
Section 10: Troubleshooting Refrigerant Circuit - Passive Defrost Mode AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 65: Thermistor And Pressure Transducer Connections
BT15 BT15 BT81 Temperature Sensor, Vapor Injection Black (10K) BT17 BT84 Temperature Sensor, Suction Evap, Heating, Blue (6K) BT17 BT81 BT81 BT84 BT84 BP11 BP11 BP11 AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 66: Thermistor Legend
0.81 0.25 0.75 0.24 0.70 0.22 0.66 0.21 0.62 0.20 0.58 0.19 0.54 0.17 0.50 0.16 0.46 0.15 0.41 0.14 0.35 0.13 0.29 0.11 0.23 0.10 AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 67: Outdoor Unit Led Status
Continuous Light CPU running incorrectly Not Lit Control board without power Green Continuous Light Control board power on N-RELAY Not lit No function COMPR. ON Not lit No Function AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 68: Indoor Unit Led Status
Reverse logic, Led on Full is Pump Speed 0%, Led PWM 0 Yellow sity Off is Pump Speed 100%. Yellow Off to On • LED’s 11 & 12 are driven at the same speed. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... -
Page 69: Indoor, Outdoor, And Inverter Alarms Tables
Suct - Evap Thermistor fault - Open circuit or short Open/Short Sensor for 1 sec Lockout w E Heat Power Cycle circuit on sensor input --------------- CONTINUES --------------- AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... - Page 70 Lockout w E Heat Power Cycle PFC over temperature Lockout w E Heat yes Repeated PFC over temperature faults Lockout w E Heat Power Cycle --------------- CONTINUES --------------- AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual...
- Page 71 Lockout w E Heat None Config file missing - Incorrect inverter size Lockout w E Heat None Config charge error - Incorrect inverter size Lockout w E Heat None AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual...
- Page 72 This page left blank for Warranty Form detachment. AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual...
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Page 73: Section 11: Warranty Form And Revision Table
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 74 This page left blank for Warranty Form detachment. Warranty Claim(s) For warranty claims, the Installer/Dealer can visit: http://warranty-claim.enertechgeo.com AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual...
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Page 75: Revision Table
Revision Table Date Description of Revision Page 9MAR2023 UPDATED VERBIAGE Various 02FEB2023 REVAMPED 14MAR2021 MINOR LAYOUT CHANGES Various 02MAR2021 MINOR LAYOUT CHANGES Various 14DEC2020 INITIAL DRAFT CREATED AV : MD/ME - Rev. A Models Enertech Global, LLC Installation and Operations Manual... - Page 76 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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