▪️D0085-MI: Myenergi eddi - Wiring & Settings

Thermino® ePlus/xPlus with Solar PV (myenergi eddi) – Wiring & Settings

(D0085-MI)


NOTICE

Please read & comply with all these instructions before commencing installation. Failure to install and operate this system in accordance with these instructions will invalidate the manufacturer’s warranty.
Please leave these instructions with the customer for future reference.
Always use these instructions in conjunction with the Installation and User Instructions Manual of the purchased Sunamp heat battery.


1. Introduction

1.1 General

The following instructions provide guidance for the installer and end-user of Thermino® ePlus and xPlus Heat Batteries when used with compatible solar/PV power diverters.

These instructions must be read in conjunction with the Installation and User Instructions Manual for the Thermino ePlus (document D0083) and xPlus (document D0084) products.

1.2 Symbols Used

In these instructions the following symbols are being used to draw the user’s attention to information of particular importance.

WARNING

Indicates a hazardous situation that, if not avoided, could result in death or serious injury.

CAUTION

Indicates a hazardous situation that, if not avoided, could result in minor or moderate injury or material damage.

NOTICE

Signals information that is considered important but not hazard related.

1.3 Abbreviations

The following abbreviations are used throughout these instructions:

  • PV - Photovoltaics

  • PDC – Power Diversion Controller

  • NTC - Negative Temperature Coefficient


2. Safety

2.1 General Safety Notices

WARNING

Only competent persons suitably qualified to carry out plumbing and electrical work may undertake installations, repairs or relocations of the appliance.
Product training on the full range of Thermino heat batteries is available from Sunamp or authorised training partners.

WARNING

Risk of electric shock – potential dual supply. Always isolate the power supplies to the heat battery controller before working on the heat battery.

CAUTION

These instructions must be read in conjunction with the Installation and User Instructions for the respective Thermino product.

CAUTION

Do not operate the immersion heater until the correct commissioning procedure has been identified and the unit has been appropriately commissioned (see document D0114).


MI - myenergi eddi Solar Diverter

WARNING 

All Electrical wiring must be carried out by a competent person and be in accordance with the latest local wiring codes and regulations. 
Risk of electric shock – potential dual-supply. Always isolate the power supply/ies to the Heat Battery, Heat Pump & Solar Diverter controller (if used) before working on the appliances. 

These settings are applicable to the following products:

  • Thermino ePlus with PV02 Optimino key (document D0083 – Section 6.4.2 for wiring instructions & Figure 1 below)

  • Thermino xPlus with any “02” Optimino key (document D0084 – Section 6.4.2 for wiring instructions & Figure 1 below)

  • Solar Power Diversion Controllers from the myenergi eddi range

MI.1 - Wiring setup: myenergi eddi & Thermino ePlus/xPlus

Figure MI.1 - myenergi eddi wiring instructions

NOTICE

The heat battery connection in the above diagram only shows Power Terminal connections. For detailed heat battery wiring instructions, please refer to the Installation manual provided with the heat battery.


MI.2 - Settings to be applied to myenergi eddi

NOTICE

The settings below cross reference to the myenergi eddi Operation and Installation manual. Please refer to the manufacturer's manuals for more detailed wiring & settings instructions.

MI.2.1 - Hot cancel delay

This function needs to be set on commissioning the Heat Battery. To do so, access:
Heater Settings > Boost > set the duration of the delay to the maximum time and press (✓) to confirm.

MI.2.2 - Programming boost times

  • From the main screen, press (X) to enter the Main Menu.

  • Select Boost Timer by pressing (↓) until the option is highlighted, then press (✓).

  • Then Select Heater 1 and then press (✓).

  • The BOOST TIMER screen is then shown.

  • The boost can now be edited. Use the (↑) or (↓) arrow buttons to highlight the time slot you wish to change.

  • Alter the start hour with the (↑) or (↓) arrow buttons and then press (✓) to move to minutes.

  • Edit the duration in the same way and then press (✓) again to edit the days of the week you wish the boost to be active for; each day of the week and can be toggled on/off with (↑) or (↓) arrow buttons, press (✓) to go to the next day. Pressing (✓) on the last day (Sunday) will confirm the boost time slot and the whole line will be highlighted again.

MI.2.3 - Applying a manual boost

During the Manual Boost, “Heater 1” can be ‘boosted’ to full power for a short period regardless of the amount of available export power. This function is called Manual Boost and is activated from the main screen. Once the boost starts, the remaining boost period will be displayed, and this will start with a duration of 1 hour (which can be adjusted during the boost). The boost can also be cancelled at any time by following the steps below:

  • From the main screen, press (✓).

  • Select “Heater 1” to apply the Manual Boost & Press (✓) to start boost.

  • The boost duration may be altered by pressing the (↑) or (↓) arrows during the boost.

  • To cancel the Manual boost, press (✓) button twice.

MI.2.4 - Solar permanent boost

NOTICE

This option requires the additional “eddi Relay & Sensor Board” part from myenergi

Wire a H05 VV-F, 1.5mm2, 2 core sheathed cable from the Sunamp PCBA J5 “HEAT” “N” & “L” screw terminals out of the Heat Battery controller & Outer case cable exits and securing them with the provided strain reliefs or an appropriately sized and rated cable gland. Wire into the “EDDI Relay & Sensor Board”, connections “e~” as detailed in Figure MI.2 below.

The function of this input can be set by accessing the following:

  • Device settings > Advanced > Relay & Sensors > eSense Input

The function of the input can be set for the following function input options:

  • Boost

  • Heater Enable

  • Boost Enable

Figure MI.2 - Solar Permanent connection to eddi Relay & Sensor Board


NOTICE

For any additional wiring or settings instructions, please refer to the solar power diversion controller manufacturer's installation and user manual.


Document Part Number: D0085-MI

Version Number: 1.1

Publication Date: 03.06.2024

Sunamp Ltd

1 Satellite Park

Macmerry

East Lothian

EH33 1RY

Scotland


Customer Service (Phone): +44 (0)1875 610 001

Customer Service (Email): customerservice@sunamp.com

www.sunamp.com