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eddi
microgeneration energy diverter
Installation Manual
MODELS: 16A1P02H
Rev 2.0.5 September 2023 – ENGLISH
D3201

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Summary of Contents for Myenergi Eddi 16A1P02H

  • Page 1 eddi microgeneration energy diverter Installation Manual MODELS: 16A1P02H Rev 2.0.5 September 2023 – ENGLISH D3201...
  • Page 2: Table Of Contents

    Contents Introduction ....................................3 Safety ......................................3 Disposal ..........................Error! Bookmark not defined. Copyright ..........................Error! Bookmark not defined. Overview ....................................... 4 Overview Diagram................................5 Box Contents....................................7 Optional: Relay & Sensor Board ..........................7 Connectivity ....................................7 Wireless Connection ............................... 7 Ethernet or WiFi Connections .............................
  • Page 3: Introduction

    • Low Voltage (LVD: Directive 2014/35/EU & SI 2016 No. 1101) • A copy of the Declaration of Conformity is available in the Download Centre on the myenergi website here; https://www.myenergi.com/installers-centre/download-centre/ Electromagnetic Compatibility (EMC) This equipment has been designed and tested to fulfil applicable standards for: Radio frequency emissions when installed according to the instructions and used in its intended •...
  • Page 4: Overview

    Guidance document which can be located here: https://www.myenergi.com/installers-centre/download-centre/ Once the CLS is setup correctly, the master device within the myenergi eco-system will monitor the maximum import and export, and if necessary, instruct other devices to increase or decrease import or export if these maximum thresholds are ever exceeded.
  • Page 5: Overview Diagram

    Overview Diagram The diagram on the next page shows the eddi as part of a complete energy management system. Other myenergi products are shown with details of how they integrate with the grid connection and the microgeneration system. Page 5 of 33...
  • Page 6 Page 6 of 33...
  • Page 7: Box Contents

    If you have any concerns about the wireless performance then we would be pleased to answer your questions, but please consider that if a WiFi signal works OK then there is a very high probability that the myenergi devices will also work without any issues.
  • Page 8: Ethernet Or Wifi Connections

    All myenergi internet capable devices should be connected to the internet via either WiFi or a hardwired Ethernet connection. This version of the eddi can also act as the “gateway” or “hub” between all your myenergi devices and the myenergi server. The gateway device MUST be connected to the internet.
  • Page 9: Installation

    7. Installation Mounting NOTE eddi is NOT suitable for installation outdoors • Ensure the device always has adequate ventilation; do not block the vents or obstruct airflow at • the back of the unit. • eddi must be fixed to a flat vertical surface using the dedicated mounting bracket which comes attached to the unit.
  • Page 10: Wiring

    Wiring WARNING! ELECTRIC SHOCK – An electric shock can be fatal; electrical connection work may only be carried out by a competent person. The earth conductor must be correctly installed and reliably connected. This device must be equipped with an over-current protection device of maximum 16 Amps (B16). Only purely resistive loads must be connected to the Heater output terminals.
  • Page 11 Page 11 of 33...
  • Page 12: Ct Sensor Installation

    CTs can be wired to any myenergi device with CT inputs (e.g. eddi, zappi or harvi). This enables very flexible installation as the CT can be wired to the nearest device. Note: The harvi device can be used if it is not practical to connect any CT to the eddi.
  • Page 13 • Phase 1). This helps to avoid phase shifting/phase misalignment. 8.4.8 CT Can do’s Can be wired to ANY myenergi device in the network. • harvi can be used to make CT wireless. • Cable can be extended up to 100m (must use twisted-pair cable e.g. one pair of CAT5).
  • Page 14: Advanced Installation Options

    Load Balancing/Current Limiting/Load Curtailment CTs can also be used to limit the current drawn by myenergi devices to avoid overloading circuits; this is referred to as load balancing or load curtailment. There are four different ways to limit current and they can be used alone or combined for more complex situations.
  • Page 15: Relay & Sensor Board

    The CT should be clipped around the Live cable of the supply feeding the diverter. The arrow on the CT should be pointing away from the diverter. Wire the CT to the nearest myenergi device or use a harvi unit if wireless connection is needed.
  • Page 16: Fitting The Cover

    The two relays can be independently set for several different functions, or they can be set to operate as a pair. The relay functions include: Export Threshold • Import Threshold • Operate when heating • • De-stratification pump control Timed operation •...
  • Page 17: Set-Up

    Step 3: After the eddi starts-up for the first time, there will be a start-up wizard. There are two likely scenarios here. Either this is your first myenergi device or you are adding this device to an existing myenergi home eco-system.
  • Page 18: Application Examples

    Please refer to the Safety section (page 4) and be sure to read all of the installation sections before attempting to install the eddi. A good level of electrical competence and a reasonable understanding of domestic plumbing systems is assumed for studying these application examples. IF IN DOUBT… Contact myenergi Technical Support – support@myenergi.uk Page 18 of 33...
  • Page 19: Dual Element Water Heater

    10.1 Dual Element Water Heater 10.1.1 Key for Wiring Diagram 10.1 eddi device Mains supply (230V AC from B16 circuit breaker or 13A fused spur) Hot water cylinder Heating element 1 (max. 3.7kW) Heating element 2 (max. 3.7kW) 10.1.2 Functional Description Electric only households tend to have a hot water cylinder (immersion tank) with two heating elements.
  • Page 20 During heating of the lower priority heater (Heating element 2), eddi will switch back to the higher priority heater (Heating element 1) every 15 mins (default time set in eddi) to check if it can store any more heat. When the water is fully heated, any surplus power will be exported, eddi will switch back to the priority heater and check the lower priority heater every 15 mins (depending on your check period setting).
  • Page 21: Underfloor Heating Mat And Water Heating

    10.2 Underfloor Heating Mat and Water Heating 10.2.1 Key for Wiring Diagram 10.2 eddi device Mains supply (230V AC from B16 circuit breaker or 13A fused spur) Hot water cylinder Water heating element (max. 3.7kW) Relay & Sensor Board (optional add-on for eddi) Temperature probe (type PT1000) (optional) Mains supply for underfloor heating controller Underfloor heating mat (max.
  • Page 22 10.2.2 Functional Description As well as water heating, eddi can be used with electric underfloor heating mats. In this application the water is heated as priority and when fully heated, the surplus power is instead diverted to the underfloor heating mat. Heater 1 (the immersion heater in the hot water cylinder) is heated with surplus power until the water is hot and the thermostat opens, then eddi will immediately switch over to Heater 2 (the underfloor heating mat) (8) and continue diverting the surplus power.
  • Page 23: Water Heater With Auxiliary Boiler Control - S Plan

    10.3 Water Heater with Auxiliary Boiler Control – S Plan 10.3.1 Key for Wiring Diagram 10.3 eddi device Mains supply (230V AC from B16 circuit breaker or 13A fused spur) Hot water cylinder Heating element (max. 3.7kW) Relay & Sensor Board (optional add-on for eddi) Temperature probe (type PT1000) (optional) Auxiliary water heating boiler S-plan wiring centre...
  • Page 24 10.3.2 Functional Description As eddi is predominately a water heating control device, it can be used to manage all of the water heating, even if an auxiliary heat source is used to heat the water. With this application the homeowner will be able to program auxiliary boiler boost times with eddi.
  • Page 25: Heat Pump With Water Heating And Priority Control

    10.4 Heat Pump with Water Heating and Priority Control 10.4.1 Key for Wiring Diagram 10.5 eddi device Mains supply (230V AC from B16 circuit breaker or 13A fused spur) Hot water cylinder Heating element (max. 3.7kW) Relay & Sensor Board (optional add-on for eddi) Temperature probe (type PT1000) (optional) Heat pump (with immersion heater output) Heat pump immersion heater relay...
  • Page 26 10.4.2 Functional Description In this application the water is heated by eddi with the immersion heater when there is a relativity small amount of surplus power (e.g. < 1kW). But when there is enough surplus the heat pump is used to heat the water instead.
  • Page 27: Pool And Water Heating

    10.5 Pool and Water Heating Key for Wiring Diagram 10.5 eddi device Mains supply (230V AC from B16 circuit breaker or 13A fused spur) Hot water cylinder Water heating element (max. 3.7kW) Isolator (20A double pole) Relay & Sensor Board (optional add-on for eddi) Temperature probe (type PT1000) (optional) Swimming pool In-line electric pool heater (max.
  • Page 28 10.5.1 Functional Description In properties that benefit from a swimming pool, eddi can be used to maximise self-consumption of surplus power, by first heating the domestic water before switching to divert the surplus power to contribute to pool heating. Heater 1 (the immersion heater in the hot water cylinder) (4) is heated with surplus power until the domestic water is hot and the thermostat opens, then eddi will immediately switch over to Heater 2 to heat the pool (8) with surplus power.
  • Page 29: Fault Codes

    11 Fault Codes Fault Displayed Description Check Code Message Output Load is drawing too much Check the power rating of connected heaters, the maximum Overload! current (>16A) rating is 3.7kW for each heater output. Overheat! The device is too hot Check ventilation slots are not blocked and the unit has sufficient space around it.
  • Page 30: Technical Support

    12 Technical Support If you experience any issues with your eddi during or post installation, please contact our technical support team by scanning the QR Code below. https://myenergi.com/manual-support/ Please contact us directly for the quickest solution. Page 30 of 33...
  • Page 31: Declaration Of Conformity

    13 Declaration of Conformity Hereby, myenergi declares that the radio equipment type eddi microgeneration energy diverter is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available by scanning the QR code below. Page 31 of 33...
  • Page 32 Page 32 of 33...
  • Page 33 This is your unique product identification. myenergi Designed and manufactured in the UK by myenergi Ltd, Pioneer Business Park, Faraday way, Stallingborough, Grimsby, DN41 8FF T: +44 (0)333 300 1303 E: sales@myenergi.com W: myenergi.com Page 33 of 33...

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