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EcoSmart ECO Series Troubleshooting Manual

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EcoSmart™ Troubleshooting Guide
Models ECO 18 – 36 kW
This guide is designed for installers or homeowners to help troubleshoot any issues experienced
during the lifetime of the tankless water heater.
For additional help, go to
ecosmartus.com/support/videos
and view the troubleshooting videos, or
email technical support at support@ecosmartus.com.
| © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com |
Page | 1

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  Summary of Contents for EcoSmart ECO Series

  • Page 1 This guide is designed for installers or homeowners to help troubleshoot any issues experienced during the lifetime of the tankless water heater. For additional help, go to ecosmartus.com/support/videos and view the troubleshooting videos, or email technical support at support@ecosmartus.com. | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 1...
  • Page 2: Existing Installations

    Serial number is printed on a white and black pixelated sticker and begins with the letters S/N followed by numbers (see image below). | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 2...
  • Page 3 36 = 4 Heating element (4 chamber heat exchanger) For additional help, contact technical support at 877-474-6473, Monday-Friday, 9:00 am—5:00 pm EST, by email support@ecosmartus.com, or on our website ecosmartus.com. | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 3...
  • Page 4 6. Disconnect inlet and outlet thermistors from control board. (See below image) 7. Both wire are quick connect style. To disconnect, lightly pull wires until unplugged. 8. Inlet yellow 9. Outlet is red | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 4...
  • Page 5 Thermistor/dp/B00Z0Z5IP2/ref=sr_1_1?s=industrial&ie=UTF8&qid=1518718177&sr=1- 1&keywords=Ecosmart+thermistor ii. Support info email at support@ecosmartus.com or by phone at 877-474-6473 b. Issues not resolved i. Please go to Activity C | Electrical Connection | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 5...
  • Page 6 Identify flow meter & remove 4 screws and pull cover off, remove impeller and rinse it out. | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 6...
  • Page 7 Sensor/dp/B00Z0Z5XXE/ref=sr_1_1?ie=UTF8&qid=1521129025&sr=8- 1&keywords=fsa+qc+medlrg iv. Support info email at support@ecosmartus.com or by phone at 877-474-6473  Issues not resolved v. Please go to Activity C | Electrical Connection | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 7...
  • Page 8 You must ensure the set of wires from each leg are not crossed at the breakers otherwise the unit will not function as designed. In order to make sure the wiring is connected correctly perform the following test located on the following page. | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 8...
  • Page 9 The problem might not be at the unit, but at your electrical panel, or breakers. | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 9...
  • Page 10 Locate round black fuse holder on top of housing and open. e. Insert new fuse (250V 3 Amp)and put holder back together f. Turn on breakers and verify if unit is turning on. | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 10...
  • Page 11 Locate fuse on upper right hand corner of board. e. Insert new fuse (250V-200-400 mA) f. Turn on breakers and verify if unit is turning on. | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 11...
  • Page 12 If the reading is in the range of 6- 10 omhs, the element is good and it will be necessary to contact our support team for further troubleshooting. | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 12...
  • Page 13 If the heater is still within warranty, part will be covered. If not, part can be purchased online at Amazon.com or through our support team. Follow links below. https://www.amazon.com/Ecosmart-HE-90240-Heating- Element/dp/B00Z0Z5J4M/ref=pd_sim_60_1?_encoding=UTF8&pd_rd_i=B00Z 0Z5J4M&pd_rd_r=7XV5X49JRPG6XGFVWCPQ&pd_rd_w=9PcS8&pd_rd_wg=t oK58&psc=1&refRID=7XV5X49JRPG6XGFVWCPQ ii. Support info: 877-474-6473 or Support@ecosmartus.com | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 13...
  • Page 14 Two screws located on top of cover facing up and two screws located on the bottom of cover facing down. | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 14...
  • Page 15: Filtration Maintenance

    You can find these filter systems at most hardware and plumbing supply stores, or online. It is important to regulate calcium, lime and sediment levels in your water before it enters your tankless water heater | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 15...
  • Page 16 11. Open a few faucets of hot water for 2-3 minutes to remove any air pockets in the lines 12. Restore electrical power to the water heater | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 16...
  • Page 17 The chart below will assist in selecting the correct model based on your location. Certified through the ETL Nationally Recognized Testing Laboratory to UL 499 and CSA. | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 17...
  • Page 18 If the heater is still within warranty, part will be covered. If not, parts can be purchased online at Amazon.com or through our support team see links below. https://www.amazon.com/Ecosmart-HE-90240-Heating- Element/dp/B00Z0Z5J4M/ref=pd_sim_60_1?_encoding=UTF8&pd_rd_i=B00Z0Z5 J4M&pd_rd_r=7XV5X49JRPG6XGFVWCPQ&pd_rd_w=9PcS8&pd_rd_wg=toK58&p sc=1&refRID=7XV5X49JRPG6XGFVWCPQ Support info: 877-474-6473 or Support@ecosmartus.com | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 18...
  • Page 19  If the heater is still within warranty, part will be covered. If not, parts can be purchased online at Amazon.com or through our support team see links below. https://www.amazon.com/Ecosmart-HE-90240-Heating- Element/dp/B00Z0Z5J4M/ref=pd_sim_60_1?_encoding=UTF8&pd_rd_i=B00Z0Z5J 4M&pd_rd_r=7XV5X49JRPG6XGFVWCPQ&pd_rd_w=9PcS8&pd_rd_wg=toK58&psc =1&refRID=7XV5X49JRPG6XGFVWCPQ o Support info: 877-474-6473 or Support@ecosmartus.com | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 19...
  • Page 20 If the heater is still within warranty, part will be covered. If not, parts can be purchased online at Amazon.com or through our support team see links below. https://www.amazon.com/Ecosmart-HE-90240-Heating- Element/dp/B00Z0Z5J4M/ref=pd_sim_60_1?_encoding=UTF8&pd_rd_i=B00Z0Z5J 4M&pd_rd_r=7XV5X49JRPG6XGFVWCPQ&pd_rd_w=9PcS8&pd_rd_wg=toK58&psc =1&refRID=7XV5X49JRPG6XGFVWCPQ o Support info: 877-474-6473 or Support@ecosmartus.com | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 20...
  • Page 21 140F. Once the unit is receiving water under 150 degrees the LED display will illuminate with desired set temperature. For further assistants please contact our support team via phone @ (877) 474-4673 or via email support@ecosmartus.com | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 21...
  • Page 22 Flow restrictors can be purchased at most hardware stores, online retailers or directly from our company. | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 22...
  • Page 23 LED display the selected temp and water will begin to heat. For further assistants please contact our support team via phone @ (877) 474-4673 or via email support@ecosmartus.com | © 2018 All rights reserved. | EcoSmart™ | www.ecosmartus.com | Page | 23...

This manual is also suitable for:

Eco 36Eco 18