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Summary of Contents for trutankless Residential G3-R
- Page 1 All-Electric Tankless Water Heater Installation & Operation Manual Model G3-R : Residential Series The premier electric tankless brand.
- Page 2 Safety Icons Key The following safety icons will be found throughout the manual: Read this manual completely and carefully before installing or operating this water heater. Caution / warning – this indicates a situation which may result in a minor or moderate injury. Hazardous danger –...
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Page 3: Table Of Contents
Table of Contents Important Safety Information Introduction / Before You Begin About GEN3 Electric Tankless Water Heaters Reference Diagram: Components List & Location GEN3 Unit Construction Installation Of The GEN3 Unit Precautions For Selecting A Location Pre-Installation Instructions A. Packaged System Inspection (What Is In The Box): B. -
Page 4: Important Safety Information
Hazardous Danger When installing, operating or servicing any high voltage electrical device, there are basic safety precautions that should always be followed. UNDER NO CIRCUMSTANCES should you attempt to install, inspect, troubleshoot, service, or uninstall this Trutankless GEN3 electric water heater without first disconnecting all power to the unit directly at the primary electrical source or circuit breaker box. -
Page 5: Introduction / Before You Begin
Trutankless will not be liable for any damages because of failure to comply with the installation and operating instructions outlined in this manual or because of improper use. Improper use includes the use of this appliance to heat any other liquid other than water. -
Page 6: About Gen3 Electric Tankless Water Heaters
This does several things. First, it increases the life of the heating element, and it is not uncommon at all to have Trutankless element lasting longer than 10 years with everyday usage. Second, the increased surface area allows the water to heat very quickly – but without ‘boiling’... -
Page 7: Reference Diagram: Components List & Location
Reference Diagram: Components List & Location Take a moment to familiarize yourself with key components and their location within your new GEN3 electric tankless water heater. Temperature Sensor Incoloy 800 Heating Elements Water IN (Thermistor) 8AWG High Strand Count Incoming Power Copper Wire Connection Blocks Ground Connections... -
Page 8: Gen3 Unit Construction
• Large surface area to reduce shock to water molecules in the heating cycle • Historical data of Trutankless’ elements show that a 10-year operational life is common Stainless Steel Sheet Metal • Rugged, corrosion resistant Back Enclosure & Mounting Brackets Aluminum Alloy •... -
Page 9: Unit Installation
3. Hot water outlet pipes leaving the unit can be hot to the touch. Insulation must be used for hot water pipes located 36 inches (92cm) or less from ground level due to burn risk to children. 4. Trutankless strongly suggests installing an appropriate Temperature, Pressure and Relief (TP&R) safety valve per local code. Consult your plumber or professional service provider. - Page 10 If the quality of the water is not known, Trutankless advises that it be tested (your water department may be able to assist). Especially in areas where the water hardness exceeds 180 PPM or 10.5 grains/gallon, installing a non-salt-based softener or...
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Page 11: Pre-Installation Instructions
Pre-Installation Instructions WARNING: Read and follow these instructions carefully and completely before installing your Trutankless unit. Failure to do so could cause property damage, serious personal injury, or death. A. Packaged system inspection (what is in the box): • Trutankless... -
Page 12: Physically Mounting The Gen3
If you have any questions regarding the Warranty or Product Return policies, please contact the Trutankless Support Team at: support@trutankless.com Install the water heater in a vertical or “portrait” mode position. Included with each Trutankless GEN3 system is a Paper Template that can be used to “rough-in”... - Page 13 GEN3 Unit Installation Step 3 Lift the GEN3 unit and center it over the Bracket that was affixed in Step 1. Align the three (3) back slots of the GEN3 sheet metal enclosure with the three (3) flanges of the Bracket, and lower the unit until the flanges are solidly resting in the slots.
- Page 14 French-Cleat Bracket. Step 5 The Trutankless GEN3 is now securely affixed to the wall, and connections can be made by licensed and certified electrical and plumbing contractors.
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Page 15: Plumbing Considerations & Connections
Plumbing Considerations & Connections Connecting The Water Supply Note: Trutankless recommends covering the unit with plastic or other impermeable sheeting until all water connections have been installed and tested, to protect the internal parts from potential leaks. Leave the tubing manifold connections uncovered for access. -
Page 16: Cold Water Inlet Connection / Hot Water Inlet Connection
GEN3 Unit Installation Step Cold Water Inlet Connection First, connect the inflowing Cold-Water Supply to the INLET connection, indicated by the Blue “INLET WATER” label. This is accomplished by connecting the recommended 3/4” x 12” stainless steel braided flex hose from the potable cold-water supply to the GEN3’s 3/4”... -
Page 17: Electrical Options & Connections
GEN3 Unit Installation Electrical Options & Connections Determining The Power Available For Your GEN3 CAUTION: The service panel size in Home Service Panel Size Approved GEN3 Power Settings total amperage must be confirmed prior to installation as it dictates the (Total Amperage Provided) = Maximum Power Setting maximum power setting of the four (4) available... -
Page 18: Identifying & Changing The Power Setting On The Gen3
Unit Installation Identifying & Changing The Power Setting On The GEN3 Important: Ideal & Optimum Performance Of The Trutankless GEN3 System Depends On Compliance With This Section. The position of the Shunt (jumper shown in Figure 10) on the Display Circuit Board Assembly determines the... -
Page 19: Unit Operation
Setting / Adjusting The Water Temperature The Trutankless unit comes pre-set for an initial temperature setting of 120°F (49°C). This set point can be changed via the Up and Down arrows located to the right of the Display, in single digit increments, from 90°F to 140°F (32° to 60°C). -
Page 20: Normal Operation
GEN3 Unit Operation Startup / Lockout GEN3 is in “Lockout” when out of the box brand new, and anytime there is a power outage. The unit will not heat water when in Lockout mode. To exit Lockout and resume normal operation, simply turn on a hot water fixture with a flow rate ≥... -
Page 21: Diagnostic Screen
Safety Features Figure 13 - Diagnostic Screen Freeze Guard Protection Mode The Trutankless GEN3 water heater is designed such that, should the water temperature at either Inlet or Outlet cool to 41°F (5°C), the heater automatically warms the water by applying 1% power to the heating elements. This cycle will continue for as long as the unit experiences temperatures near the freezing point. -
Page 22: Gen3
The following is a list of the most frequent fault conditions and the possible corrective action. If you are not able to resolve a problem, please contact the service professionals who installed your unit. Trutankless support is also available for technical support and provide troubleshooting tips, documentation and other resources on our website. -
Page 23: Understanding The Error Codes
GEN3 Error Codes Understanding The Error Codes Prevents Description Error Screen Is the Error Hot Water? Number Display Self-Clearing? One or more Triacs are not Triac Failure operational No sine wave zero-crossings of the Edge Detection incoming power Incoming power is not 60 Hz Line Frequency or 50 Hz Water detected within the unit... -
Page 24: Warranty
Trutankless Service Center for replacement or repair. Trutankless reserves the right to accept or reject any such claim in whole or in part. Trutankless will not accept the return of any product without prior written approval from Trutankless, and all such approved returns shall be made at Buyer’s sole expense. -
Page 25: Product Registration
GEN3 Warranty / Appendix Product Registration To be covered under the Trutankless Manufacturer’s Limited Warranty you must register your product within 30 calendar days of installation. Warranty registration can be completed online at: www.trutankless.com/warranty This is a limited manufacturer’s warranty that conveys benefits to the original purchaser, subject to the terms and conditions set forth herein. - Page 26 Trutankless, Inc. 15900 North 78th Street Suite 200 Scottsdale, Arizona 85260 trutankless.com...
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