myenergi zappi 2H07UW Smart EV Charger User Manual

myenergi zappi 2H07UW Smart EV Charger

Electric Vehicles (Smart Charge Points) Regulations 2021

From 30th June 2022, any EV charger installed in a private setting i.e. home or workplace NOT public, in England, Scotland, and Wales have to meet the Electric Vehicles (Smart Charge Points) Regulations 2021.
Purpose of the Regulations
The new smart charging regulations are a huge, positive forward step by the UK Government in preparing our homes and businesses for a smart, connected, and democratized energy system. Essential tools in driving down emissions and a core reason why myenergi exists.
The regulations are focused around when you are charging an EV. The aim of the regulations is to prevent everyone from charging at the same time and putting too much demand on the grid.
What’s changed with Zappa
New features have been added to Zappa to ensure our products remain compliant with UK Regulations.
These include:

• Set-up Wizard – There is a simple wizard for installers to follow at start-up.
• See the example below:
• Date & Time – Allows the zappi to know if it is being installed on or after 30th June 2022. If it is then smart regulations must apply.
• First Device – If this is your first myenergi device the zappi will opt to set the device as Master and turn the in-built vHub on. If you are adding to an existing myenergi eco-system, the device will opt to set as slave and turn the in-built vHub off.
• The geographic location of installation – If the device is being installed outside of England, Scotland and Wales the Smart Regulations don’t apply.
• Randomized Delay – At the start of a charge and end of a scheduled, Timed Boost there will be a delay of up to 10 minutes before your vehicle starts and stops charging. This could be a few seconds or it could be up to the full 10 minutes. This is necessary to ensure everyone does not overload the grid by starting to charge or ending a charge at the same time. The Randomised Delay can be overridden, if necessary (See 1.3.2 for further details).
• Smart Scheduling – To comply with the smart charging regulations your zappi will be set to charge in off-peak hours by default. This is between 00:00 – 08:00. You may change this schedule at any time if you would prefer to charge in peak hours or your electricity tariff off-peak hours differ from those set.
• Default to ECO+ mode – If Smart Regulations apply, zappi will default to ECO+ mode on first boot up.
• Charging logs – You will now be able to view a record of charging logs from the past 13 months. See Charge Logs section below for further information.

Randomized Delay: How it works
As mentioned above, Randomised Delay will put a completely random delay at the start of a charge and end of a scheduled, Timed Boost, for up to 10 minutes. This can be overridden by the customer in situations where they are in a hurry.
Delay Status
You will be able to see if your charger is in a state of delay at any time as it will be displayed on both the zappi screen and in the myenergi app.
Overriding the delay
To override the delay simply press the ‘+’ button on the zappi or press the ‘charge now’ button displayed in the pop-up message within the energy app. If the delay is overridden your charge will start/stop immediately.

You cannot permanently override the delay function. If you wish to override the delay each time you charge, you will need to follow the above instruction to override on every applicable charging session.

Smart Scheduling: How it works

As summarised under section 1.2 your zapping will be set to charge in off-peak hours by default from initial start-up.

Off-peak hours

Off-peak hours are usually between 00:00 – 08:00, depending on your specific tariff, this is when your electricity will be at it’s cheapest.

Reason for Smart Scheduling

Encouraging you to charge in off-peak hours prevents overloading the grid in peak times.

Benefits of Smart Scheduling

Smart Scheduling will can help you spend less on your electricity. By charging in off-peak hours your electricity tariff may be cheaper.

Changing the set schedule
If the default schedule does not suit your requirements, or your electricity tariff’s off-peak hours differ from the schedule set, you can amend your schedule at any time from the Zappa menu or within the energy app. To adjust your schedule in the app navigate to the ‘Set Boost Parameters’ option, select start time, and set the number of hours you want your charger to boost for. To change the schedule on your zappy device navigate to ‘Charge Settings > Boost Timer’ and amend the schedule as desired. For further information see the Timed Boost section of the User Manual. Alternatively, the schedule may be deleted altogether, if required. To do this ensure all inputs are set to 00:00 for each day of the week.

Defaulting to ‘ECO+’ Mode

As mentioned in section 1.2 if your Zappa meets the Smart Regulation parameters it will default to ECO+ mode upon first start-up. This can be changed to ECO+ or FAST mode at any time by the customer. See the Charging Modes section of the User Manual for further information on modes.
Manual Boost
If you choose to remain in ECO+ mode you can still charge from the grid at any time by doing a Manual Boost. Refer to the Manual Boost section of the User Manual for further information on this existing feature.
Charging Logs
Providing your zapping is an internet connection and you have registered your device in my account you will be able to view a record of charge logs for the last 13-month period. This function will begin from 30th June 2022 so the earliest time you will see the whole 13 months will be from July 2023 or 13 months from when your device was connected to the internet. The charge logs will tell you when the charge started when the session ended and the duration of each session. To view your logs log into your account at https://myaccount.myenergi.com/login Navigate to “My Energi Usage” in the left-hand menu. The charge logs will be displayed like to example below .

Installer Requirements
It is the responsibility of the installer to ensure they are compliant with Electric Vehicles (Smart Charge Points)
Regulations 2021. This includes, but is not limited to:

• Installing only compliant charge points in private installs from and including 30th June 2022.

• Answering the start-up wizard questions accurately to reflect actual install parameters.

• Keeping a register of sales from and including 30th June 2022, for a minimum period of 10 years.

• Having a Technical File and/or Declaration of Compliance available if requested by the customer (my energies Technical File and Declaration of Compliance are available at: https://myenergi.com/guides/smart-charge-point-regulations-explained/

• The installer should ensure they are fully aware of and understand how the regulations affect them and what they are required to do to ensure they comply. These regulations should be monitored for any future updates. For further information or to view the current Electric Vehicles (Smart Charge Points) Regulations 2021 visit:
  https://www.legislation.gov.uk/ukdsi/2021/9780348228434

• or https://www.gov.uk/guidance/regulations-electric-vehicle-smart-charge-points

• Further information can also be found by following the QR code below which will take you to my energies Smart Regulations webpage which contains reference documents,

• FAQs and simplified explanations of the regulations.

• https://myenergi.com/guides/smart-charge-point-regulations-explained/

Introduction

Thank you for choosing zappi. Of course, we think you have made an excellent choice and are sure you will be incredibly happy with the features, benefits, and quality of your myenergi product. These instructions will help you to familiarise yourself with the zappi. By reading the instructions, you will be sure to get the maximum benefit from your ‘eco-smart’ device.

Safety

zappi is an AC EV charger, intended to be installed in a fixed location and permanently connected to the AC supply network. It is a Class 1 item of electrical equipment in accordance with IEC 61140. The unit is designed for indoor or outdoor use at a location with restricted access and should be mounted vertically either surface (wall) mounted or on the dedicated pole mount supplied separately by myenergi. The device has been manufactured in accordance with the state of the art and the recognised safety standards, however, incorrect operation or misuse may result in:

• Injury or death to the operator or third parties
• Damage to the device and other property of the operator
• Inefficient operation of the device
• All persons involved in commissioning, maintaining, and servicing the device must:
• Be suitably qualified
• Have knowledge of and experience in dealing with electrical installations
• Read and follow these operating instructions carefully
• Always disconnect the device from the supply before removing the cover
• The device is not to be used by persons (including children) with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the device by a person responsible for their safety.
• zappi comes in either tethered or untethered variants. The untethered version should only be used with a dedicated cable fitted with a Type 2 plug which is compliant with
• EN 62196-1 and EN 62196-2. Adaptors or conversion adapters and cord extension sets are not allowed to be used.
• Failure to install and operate the zappi in accordance with these instructions may damage the unit and invalidate the manufacturer’s warranty.

Disposal

In accordance with European Directive 2002/96/EC on waste electrical and electronic equipment and its implementation in national law, used electrical devices must be collected separately and recycled in an environmentally responsible manner. Ensure that you return your used device to your dealer or obtain information regarding a local, authorized collection and disposal system. Failure to comply with this EU Directive may result in a negative impact on the environment.

Copyright

Copyright of these operating instructions remains with the manufacturer. Text and images correspond to the technical level at the time of going to press. We reserve the right to make changes. The content of the operating instructions shall not give rise to any claims on the part of the purchaser. We are grateful for any suggestions for improvement and notices of errors in the operating instructions.

Overview

Microgeneration systems such as Solar PV and small wind turbines are at their most efficient when the generated energy is consumed on-site rather than exporting it to the grid. This is what we call ‘self-consumption’. zappi is a Mode 3 charging station, compatible with all electric vehicles that comply with EN 62196 and EN 61851-1 plug-in electric vehicle standards. zappi works like any regular charging point but has special ECO charging modes that will benefit homeowners with grid-tied microgeneration systems e.g. wind or solar generation. Two special ECO charging modes automatically adjust the charging current in response to on-site generation and household power consumption. In FAST charge mode, zappi operates like an ordinary EV charger. A grid current sensor (supplied) simply clips around the incoming supply cable and is used to monitor excess power. When using the special ECO charge modes, zappi will automatically adjust the charge rate in response to available surplus.

Feature Set

• 3 charging modes: ECO, ECO+ & FAST

• Optimizes microgeneration self-consumption

• Works with solar PV, wind turbine or micro-hydro systems

• Economy tariff sense input

• Programmable timer function

• Charge and event logging

• Remote control and monitoring add-on option

• Pin-code lock function

• Tap operated display backlight

• Built-in protection against the loss of the protective neutral and earth (PEN) conductor as required by BS 7671:2018 Amendment 1:2020(The “Wiring Regulations”)
  Ethernet connector (for local communications between myenergi devices)

• Integral cable holster (tethered units)

• Supplied with 1 x clip-on grid current sensor (x3 if purchasing a 3-phase unit)

• Illuminated display – for convenience, the display can be illuminated by simply tapping the zappi front cover.

• Integrated WiFi for connecting to internet.

Overview Diagram

The diagram on the next page shows the eddi as part of a complete energy management system. Other energy products are shown with details of how they integrate with the grid connection and the microgeneration system.

Box Contents

1 x zapper unit with EV cable and connect 1 x Cable wall guard

1 or 3 x CT clamps0F 1

1 x Mounting template

1 x Mounting kit for a brick wall

| or attached             1 x zapper unit

1 or 3 x CT clamps1

1 x Mounting template

1 x Mounting kit for a brick wall

Mounting kit (Tethered units)| Mounting kit (Untethered units)
4 x 50mm Pozi screws 4 x Wall mounting plug 4 x Sealing washer

4 x 12mm Pozi screws (countersunk)

| 4 x 50mm Pozi screws 4 x Wall mounting plug 4 x Sealing washer

Operation

Controls & Indicators

1.| Display| Graphical LCD display with LED backlight

·         Backlight can be activated by tapping the unit.

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2.| Front Fascia| Remove fascia for installing and servicing
3.| Tethered Charging Cable if applicable| 6.5-meter cable with a Type 2 plug or Type 2 socket with locking system for untethered models.
4.| Control Buttons| Four tactile buttons used to navigate the menus and alter settings:

·         Menu

·         Change charge mode | Move up a menu item | Increase value

·         Change charge mode | Move down a menu item | Decrease value

·         Boost | Select item |  Confirm value and  move to  next

setting.

5.| Integrated Cable Holster (tethered units only)| When not in use, the charging cable should be wrapped around the unit and secured in the cable holster (tethered units).
6.| Charging Connection Point (untethered units)| When cable not in use, the charging cable should be unplugged and stored in a cool dry place.
7.| RGB Indicator| Visual Indicator that changes color depending on the Sappi’s charging state. (see RGB Indicator page 9)

Display

1.| Import / Export Power| The power being either imported or exported from or to the grid (kW). The direction of the arrows indicates if the property is currently importing power (left) or exporting power (right).

The size of the arrows is proportionate to the level of power being imported / exported, When the property is neither importing or exporting power the figure will be 0.0kW and there will no animated arrows. The property is then said to be ‘in balance’.

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2.| House Load Power| The power that the property is currently using in kW. ( Note : This is displayed only when the Generation Sensor is installed directly to a CT input or a harvi or other myenergi device)
3.| Status Text| The current status is displayed here (see Status Screens Page 12).
4.| Generation Power| The power being generated at this time in kW. ( Note : This is displayed only when the CTs are installed either hard wired to the CT inputs of the zappi or wirelessly to a harvi or other myenergi device)
5.| Lock Icon| Operation lock is active.
6.| Date & Time| The current date and time.
7.| Mode Icons| These icons indicate that the import limiting is active (house), Demand Side Response (~) or the eSense input is live (e) see page 44.
8.| zappi Icon| If you see wavy lines above the zappi icon, the unit is thermally limiting! The output power is temporarily reduced.
9.| Charge Mode| Shows the selected Charging Mode; FAST, ECO or ECO+ (see Charging Modes page 14).
10.| Charge Delivered to EV| The accumulated charge energy that has been sent to EV in this charge session.
11.| Current Charging Power| When the EV is charging, arrows will show here along with the charging power in kW.
12.| Green Level of Last Charge| This is the percentage of ‘Green’ energy for the last charge session, this is shown at the end of a charge or when the EV is unplugged.
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Status Screens
EV Disconnected

The EV is not connected to Zappa. In this example, the last charging session delivered 20.8kWh of energy to the EV and 80% of that energy came from the solar panels.

Waiting for Surplus

Sappi is waiting for sufficient surplus power from the microgeneration system. This screen will be shown in ECO+ mode as it is only in this mode that charging will stop if there is not enough surplus power. The house in the center is straight-faced as grid electricity is being used by the house (0.9kW in the example shown).

Surplus

Enough surplus is available and zapping is about to charge the EV. A timer is decremented and can be set in the charge settings (ECO+ mode only).

Waiting for EV

Sappi is waiting for the EV to respond; the EV is not ready to accept the charge.

Charge Delayed

The charging session has been delayed by the EV because a scheduled charge has been set in the vehicle.

Paused

Sappi is paused for a few seconds in order to limit the start/stop frequency during ECO+ mode charging.

Charging

The EV is charging. In this example the car is charging in ECO+ mode at 1.6kW, there is no import or export from the grid (0.0kW) and the EV battery has charged by 8.9kWh since the car started.

Charge Complete

The EV is fully charged. The charged energy used during the last charge is displayed at the bottom right (20.0kWh in this case) and the ‘green contribution’ is also shown (40% in this example).

Restart

zapping is performing a restart sequence. This may happen with some EVs that need to be ‘woken up to start charging after a pause in the charge. The charge should start immediately afterward, otherwise, the “Charge Delayed” message will appear.

Stopping

Zappa is about to stop the EV charging

Charging Modes

zapping has three different charging modes and a “STOP” mode which can be selected simply by pressing the buttons when the main screen is showing. The charge mode can be changed before or during a charge. Regardless of the charge mode, all the surplus electricity is used Sappi’s special eco charge modes limit the amount of grid electric used. Below is the explanation of each charging mode.

         Charges at the fastest rate

Fast Mode will charge the EV at the fastest rate and will import grid electricity if there is insufficient surplus generated power. The actual charge rate is dependent on the EV’s onboard charger and the grid supply voltage. Some vehicles can charge at 11kW or 22kW on a 3-Phase zappi, but many EV’s have lower charge

rates. The maximum charge rate for the single phase zappi is 7kW.

         Adjusts the charge rate to limit the use of grid electricity
The charge rate is continuously adjusted, in response to changes in generation or power consumption elsewhere in the home, thereby minimising the use of grid power. Charging will continue until the vehicle is fully charged, using available surplus power. If at any time, the available surplus power falls below 1.4kW, the shortfall will be drawn from the grid.

Note: The EV charging standard does not support below 1.4kW.

Adjusts the charge rate to limit the use of grid electricity and will pause the charge if there is too much or any grid electricity being used (Set-up Dependant)

The charge rate is continuously adjusted, in response to changes in a generation or power consumption elsewhere in the home, thereby minimizing the use of grid power. Charging will pause if there is too much-imported power, continuing only when there is enough surplus power available. The surplus power threshold at which the charge will start or stop can be set using Min Green Level in the ECO+ Settings of the Charge Settings menu. The actual green contribution percentage is shown when the charge is complete or when the zapper has been disconnected from the EV. It is possible to charge the EV using only surplus renewable power if there is sufficient surplus power available and a boost option has not been set. ( Please note: The EV charging standard does not support charging  below  1.4kW) Example: when zapping is set to a Min Green Level of 100% you will need in excess of around 1.4kW of surplus energy available to start the charge. If the surplus falls below the 1.4kW threshold the charge will pause until the threshold is once again met. After a short delay zappy will resume charge. If preferable, you can set the zapper to share power from the grid and a generation source to ensure a charge is always maintained. For example, the Min Green Level could be set to 75%. A charge will then start when there is a surplus of 1.05kW, taking a further 0.35kW from the grid. It is worth noting that this is only required to start a charge. If a higher amount of surplus becomes available it will be consumed, resulting in less being drawn from the grid.

The output from the zapper is turned off

In STOP mode zappy will not charge your EV. This includes the boost modes and timed boost. Sappi will continue to measure power and communicate with the other energy devices.

Manual Boost

The Manual Boost function can only be used when charging in ECO or ECO+ mode. When boosting, the charge rate is set to maximum (just like FAST mode), until a set amount of energy has been stored in the EV’s battery. After which, zappi will revert to ECO or ECO+ mode. This function is useful if you arrive home with an almost flat battery and would like to charge the vehicle immediately to ensure there is enough charge for a short trip if needed. The amount of energy delivered to the EV during the boost charge can be changed in the Charge Settings/Boost menu. When in ECO or ECO+ mode, each press of the button will cycle through the boost options as illustrated below:

Troubleshooting

voltage at the supply screw terminals (220 – 260V AC)
In ECO+ mode, the charge does not start, the display is always showing Waiting for Surplus and the export power is 0W| Grid Sensor incorrectly installed Faulty Grid Sensor No signal from harvi (if used)| Check the grid sensor is connected to a CT terminal in the zappi or any CT input in the harvi

Check the Grid CT sensor is installed on the correct cable (see CT Sensor Installation on page 47)

Check resistance of the sensor – it should be around 200Ώ when not connected (remove the sensor from the cable before testing resistance)

If using harvi, check that the CT input has been set to Grid in the harvi settings (under Linked Devices / Devices in the zappi

Advanced Settings menu)

In ECO+ mode, the charge does not start, the display is always showing Waiting for Surplus , yet the export power

is showing correctly

| Export Margin set too high| Check Export Margin setting (default is 0W)
Generation power is always 0kW| Generation CT not installed| Install generation sensor and connect to one of the CT inputs

Alternatively, if there is no Generation CT, the Generation and House consumption figures can be hidden on the main screen by changing the Icons setting in the Settings /

Display & Sound menu

Installation Limit !

displayed

Display will show the phase(s) that is(are) overloaded and the prospective current that would be drawn if the zappi were allowed to start charge at the

minimum current

| The measured Grid Current is greater than the Grid Limit set in the zappi| Check the Grid Limit setting Reduce the load in the property

In a three phase installation, consider rebalancing the property load across the three phases

Installation Limit ! CT displayed| The Grid CT has become disconnected or is not clamped correctly around the

grid supply cable

| Check CT is installed correctly.

Fault Codes

If any of the following fault messages are displayed, follow the action described.

units only) Make sure you are using genuine IEC 62196-2 compliant plugs.

Range supported: 32A, 20A and

13A.

| zappi will automatically retest the cable after 5 seconds.

If the issue persists, unplug the cable check for dirt in the plug and try again.

Pilot problem !| zappi has detected an issue with the “Control Pilot” signal on the cable between the zappi and the EV.| zappi will automatically retest the cable after 5 seconds.

If the issue persists unplug the cable, check for dirt in the plug

and try again.

Lock Failure ! Fault code 23| The socket lock actuator couldn’t lock/unlock the inserted plug as expected (untethered units only).| This message can happen when the plug is not fully inserted or if it is twisted or pulled from the socket.

Push the plug fully into the zappi to release the plug, then press and hold the button to reset the

unit.

Output Fault ! Fault code 24| zappi has detected a wrong output voltage. e.g. a voltage has been detected when it should be

off.

| Unplug the EV, press and hold the button to reset the unit.
PE Fault ! Fault code 25| zappi has detected a problem with the main earth connection to the unit. The earth is either disconnected or the impedance of the earth connection is too high.| Unplug the EV, check the earth connection to the zappi and then hold the button to reset  the unit.

If the electricity supply is “IT earthed” check the Supply Grid /

Earthing menu setting.

Comms Fault ! Fault code 26| zappi has detected an issue with

the           built-in            protection components.

| Unplug the EV, press and hold the button to reset the unit.
SelfTest Failed ! Fault code 27| The built-in protection devices

couldn’t be tested or failed the test prior to a charge.

| Unplug the EV, press and hold the button to reset the unit.
Contactor Fault ! Fault code 28| The relay inside the zappi has a welded contact. The secondary relay is open to make sure that the

supply to the EV is isolated.

| Unplug the EV, press and hold the button to reset the unit.
PEN Fault! Fault code 29| The internal protection against the loss of the PEN conductor on the electricity supply has tripped.| Unplug the EV, make sure that the fault has been removed then press and hold the button to reset the

unit.

If any of the above faults persist then stop using zappi and contact your supplier or myenergi Technical Support.

Warranty

Full details of the myenergi product warranty are available on our web site or by using this QR code.

https://myenergi.com/product/extended-warranty/

Product Registration

Please register your new energy devices at https://myaccount.myenergi.com/registration

Technical Specifications

Performance

setting
Charging Current| 6A to 32A (variable)
Dynamic Load Balancing| Optional setting to limit current drawn from the unit supply or the grid
Charging Profile| 3 charging modes: ECO, ECO+ or FAST. STOP is a further option
Connector Type| Type 2 tethered cable (6.5m) or type 2 socket with locking system
Compliance| LVD 2014/35/EU, EMC 2014/30/EU, EN 62196-2:2017, ROHS

2011/65/EU, CE Certified, EN 61851-1:2019*

* _ zappi_ complies fully with EN 61851-1:2019 with the exception of Clause 8.4 in order to meet the requirements of BS**

7671:2018 Amendment 1:2020 which requires the protective earth conductor to be switched in order to provide protection against a damaged PEN conductor in a TN-C-S earthed electrical system.

Electrical Specifications

Standby Power

Consumption

| 3W
Economy Tariff Sense

Input

| 230V AC sensing (4.0kV isolated)
Wireless Interface| 868 MHz / 915 MHz (-A units) proprietary protocol for wireless sensor

and remote monitoring options

Grid Current Sensor| 100A max. primary current, 16mm max. cable diameter
Supply Cable Entry| Rear / Bottom / Left side / Right side

Mechanical Specifications

Enclosure Dimensions| 439 x 282 x 122mm|
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Protection Degree| IP65 (weatherproof)|
Enclosure Material| ASA 6 & 3mm (UL 94 flame retardant) colours: white RAL 9016 and grey

RAL 9006

Operating Temperature| -25°C to +40°C|
Fixing Points| In-line vertical mounting holes|
Weight| Single Phase Untethered: 3.0kg

Single Phase Tethered: 5.5kg

| Three Phase Untethered: 3.3kg

Three Phase Tethered: 7.2kg

Connectivity

• WiFi 2.4 GHz 802.11BGN Connection up to 150 Mbps
• WiFi Frequency Range 2412-2484 MHz
• Radio Frequency Range 868-870MHz
• Radio Frequency (Australia) 915MHz

Max Transmitted Power

Model Variants

Designed to permit installations compliant with IET Wiring Regulations BS 7671:2018 Amendment 1:2020 and the Electricity Safety, Quality, and Continuity Regulations 2002 and BS 8300:2009+A1:2010.

Technical Support

If you experience any issues with your zapper during or post installation, please contact our Technical Support Team by scanning the QR Code below.

https://myenergi.com/support-centre/
Please contact us directly for the quickest solution.

Declaration of Conformity

Hereby, energy declares that the radio equipment type zapping eco-smart EV charge point is in compliance with Directive 2014/53/EU.
The full text of the EU declaration of conformity is available at the following by scanning the QR code below.

• https://myenergi.com/support-centre/
• 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

References

• myenergi account
• myenergi account
• Declaration of Conformity | myenergi GB
• Smart charge point regulations explained | myenergi GB
• Buy A zappi Extended Warranty Today | myenergi GB
• Support Centre | myenergi GB
• Regulations: electric vehicle smart charge points - GOV.UK
• The Electric Vehicles (Smart Charge Points) Regulations 2021

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