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Myenergi ZAPPI-2H07TB, Operation & Installation Manual, Page: 5 / 60

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Myenergi ZAPPI-2H07TB Operation & Installation Manual Download Page 5

Overview 

operation and installation manual

 

zappi

 

5

 

Box Contents 

Tethered Units 

Untethered Units 

1 x 

zappi

 unit with EV cable and connector attached 

1 x Cable wall guard 
1 or 3 x CT clamps0F

1

 

1 x Mounting template 
1 x Mounting kit for a brick wall   

1 x 

zappi

 unit 

 
1 or 3 x CT clamps

1 

1 x Mounting template 
1 x Mounting kit for a brick wall  

 

Mounting kit (Tethered units) 

4 x 50mm Pozi screws 
4 x Wall mounting plug 
4 x Sealing washer 
4 x 12mm Pozi screws (countersunk) 

Mounting kit (Untethered units) 

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

 

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 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  

 

Optimises 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 30mA Type A RCD + 6mA DC RCD protection (EN 62955)  

 

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.

 

 

1

  1xCT clamp supplied with single phase 

zappi

;  3xCT clamps supplied with three phase 

zappi

 

Summary of Contents for ZAPPI-2H07TB

Page 1: ...Rev 2 1 3 January 2022 ENGLISH eco smart EV charge point Operation Installation Manual MODELS ZAPPI 2H07UW ZAPPI 2H07UB ZAPPI 2H07TW ZAPPI 2H07TB ZAPPI 2H22UW ZAPPI 2H22TW ZAPPI 2H22UB ZAPPI 2H22TB ...

Page 2: ...2 zappi operation and installation manual ...

Page 3: ...Settings 25 Supply Grid Device Settings 25 Supply Grid Network Settings 26 CT Config 27 Preconditioning 29 eSense 31 Linking Devices 31 Wireless Connection 34 Ethernet Connection 35 Installation 36 Electrical Installation 38 Wiring 39 eSense Input 41 Wiring Overview Diagram 42 CT Sensor Installation 43 CT Golden Rules 45 Fitting the Cover 46 Advanced Installation Options 47 Built in Protection 49 ...

Page 4: ... 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...

Page 5: ...lly adjust 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 S...

Page 6: ...llation manual Overview Diagram The diagram below shows the zappi 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 7: ...gate 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 un...

Page 8: ...r 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...

Page 9: ...or Surplus Power Energy sent to EV for this charge DSR Mode demand side response 2 Warning refer to text on screen Lock icon zappi or cable locked untethered versions only RGB Indicator The lighting flash indicator on the front of the zappi indicates the status of the charge The default colours are Pink Connected Green Charging 100 Green White Charging from Grid only Yellow Charging mix of grid gr...

Page 10: ...ill stop if there is not enough surplus power The house in the centre is straight faced as grid electricity is being used by the house 0 9kW in the example shown Surplus Enough surplus is available and zappi is about to charge the EV A timer is decremented and can be set in the charge settings ECO mode only Waiting for EV zappi is waiting for the EV to respond the EV is not ready to accept charge ...

Page 11: ... and the green contribution is also shown 40 in this example Restart zappi 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 Charge should start immediately afterwards otherwise the Charge Delayed message will appear Stopping zappi is about to stop the EV charging Checking zappi is carrying out a check to make sure...

Page 12: ...charge if there is too much or any grid electricity being used setup dependent 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 pause if there is too much imported power continuing only when there is enough surplus power available The surplus power threshold at which the c...

Page 13: ...options as illustrated below Activating Boost 1 When charging in ECO or ECO mode press until BOOST is shown 2 The boost will start after a couple of seconds and the display will show the remaining boost energy The boost duration can be altered in the Charge Settings Manual Boost menu option Cancelling Boost The boost can be cancelled by pressing until Cancel Boost is shown Smart Boost The Smart Bo...

Page 14: ... current charge session has already accumulated enough energy the boost will not be required and so will not operate The required energy and target time can be altered only when Smart Boost is not active These settings are in the Charge Settings Smart Boost menu option Cancelling Boost The boost can be cancelled by pressing until Cancel Boost is shown Programming the Smart Boost Values 1 From the ...

Page 15: ...he next day Pressing on the last day Sunday will confirm the boost time slot and the whole line will be highlighted again 6 Press to exit the BOOST TIMER screen Economy Tariff Boosting Boosting only when economy rate electricity is available can be achieved in one of three ways 1 By setting the boost timer to coincide with the economy tariff times This option should be used only if the electricity...

Page 16: ...arge These are the recommended settings if zappi is mounted in an exposed publicly accessible location and you do not want anyone else to be able to use it Timeout The time before the Lock Function automatically reactivates after being unlocked Lock Code This is the current lock code and is five digits from 1 to 4 it can be changed here Default code 44444 Auto Hide If set this will hide the main d...

Page 17: ...cable will not be locked into the socket until the PIN is entered and EV charging starts This means that if anyone plugs their cable into the zappi but they do not know the PIN they are able to remove their cable In all cases the cable is unlocked if zappi detects a fault or the power supply to the zappi is switched off ...

Page 18: ...ly voltage to the unit Voltage Max Maximum supply voltage since switch on Voltage Min Minimum supply voltage since switch on Frequency Grid frequency Exporting Importing Power being exported or imported from or to the grid respectively PH1 PH2 PH3 Indicates which phases are active when charging Readings 3 9 Exporting Importing Power being exported or imported from or to the grid respectively Gener...

Page 19: ...ail Time and date of last supply failure Information 2 5 Grid Sensor Grid current sensor source Last Fault Last recorded fault code Fault Date Date and time of last recorded fault code zappi 1ph Untethered zappi 1ph Tethered zappi 3ph Untethered zappi 3ph Tethered zappi 3ph Identifies the zappi type e g 3 phase or single phases tethered or untethered A mark shows a missing phase for 3 phase units ...

Page 20: ...s Power consumed by all devices Surplus Power Unallocated power O D Power Total power over drawn by devices Export Timer Delay before surplus is allocated Charge Settings ECO Settings Min Green Level ECO charge mode settings Start Stop Delay Plug in Charge Allows zappi to force a charge session the first time the EV is plugged in Required by some EV s if main charge does not start immediately Manu...

Page 21: ...ter a button press Contrast Sets the display contrast Set Buzzer Switches the buzzer ON or OFF for button presses and mode changes RGB LED TEST Test function to customize LED on front cover Brightness Sets the brightness of the LED Colours Customize your own LED colours Lock Function EV plugged Lock is active only when EV is plugged in EV unplugged Lock is active only when EV is unplugged Timeout ...

Page 22: ...rid Limit Maximum grid import power limit When charging the charge power is reduced to keep import below this level This also applies when boosting see Advanced Settings Page 28 for more information Battery Sets the mode for managing power when an AC battery system is present in the installation See Battery Storage Systems page 52 for more information Net Phases Allows surplus power from one phase...

Page 23: ...appi will adapt to EV s with poor power factor Min PWM Controls the Pilot PWM minimum limit Power Factor When Active is On the charging current set point from zappi to the EV will not go below the Min PWM value unless the measured power factor is better than this set value End Charge Delay Charge Complete status is delayed by this time to allow access to the vehicle without starting a new charge s...

Page 24: ...d The Generation Icon on the zappi display can be changed to match your local system Select between Sun PV and Wind on the Icons submenu to change the icon If do not have any local generation then the icon can be turned off by changing the Monitoring setting RGB LED zappi has a coloured LED light on the front which changes colour and flashes to provide a visible indication of the charge state The ...

Page 25: ...ee Three Phase Systems page 51 and Net Phases page 28 for more information Phase Return Single Phase zappi only When a single phase zappi is installed on a 230V delta connected supply it is necessary to tell zappi which phase has been connected to the neutral terminal Note In most installations the Phase Return setting should be left as N for Neutral Device Limit Sets the maximum current that the ...

Page 26: ...attery inverter See Battery Storage Systems page 52 for more information about battery storage systems The table below details the different settings for working with an AC coupled battery storage system Setting Function Description None There is no battery system installed Avoid Drain Stops the zappi or other linked myenergi devices draining the battery when using surplus power from the solar or ...

Page 27: ...ked Devices menu rather than the CT Config menu Important There must be only one Grid CT set per phase for the whole installation Note CT3 is only available on single phase units with V3 XXX firmware CT Function Description CTINT This is the internal CT which measures the output charging current of the zappi CT1 CT1 Input CT2 CT2 Input CT3 CT3 Input CT Types CT Type Function Description None No CT...

Page 28: ...hnical requirements for export limiting schemes3 It does not apply directly to import limitation or load curtailment schemes but the general requirements are referred to by UK Distribution Network Operators in this context Normally the CT Detect setting should be turned ON for wired Grid CTs CT Groups CTs can be put in groups so that their readings are netted combined For example you might want to...

Page 29: ...t it is in the optimum state for driving the vehicle To avoid draining the battery to precondition the car the zappi preconditioning mode can be set so that the power needed is provided from the electricity supply Note This feature only works if zappi has detected Charge Complete i e the previous charge was stopped by the EV because the battery was full If this is not the case then the only way to...

Page 30: ...may charge for a short period stop because it does not have enough power to warm the battery and then immediately try to charge the EV again We cannot guarantee that the Preconditioning Mode will cope with this situation but provided the EV draws a small amount of power the first time it tries to charge this should trigger the Preconditioning Mode providing enough boost power to warm the EV s batt...

Page 31: ...top If the eSense input is live zappi will not charge regardless of set charge mode or a boost Linking Devices Up to six myenergi devices can be wirelessly linked together By linking devices you can use more of your own energy or have more control and visibility Devices available now are eddi A microgeneration energy diverter that uses surplus power to heat water or rooms rather than exporting to ...

Page 32: ...akes sure they are all set to the same channel Removing Devices A device can be removed by selecting it from the Advanced Settings Linked Devices Device menu and then selecting Remove Device If you want to remove all devices then use the Advanced Settings Linked Devices Reset Settings menu option Device Settings Most device types have settings which can only be changed via the Linked Devices menu ...

Page 33: ...not be heard Linked Devices Information The current status of all linked devices can be viewed together in the LINKED DEVICES INFO screen which can be found from the Main Menu 1 All linked devices are shown on the left The current device is shown in CAPITAL letters 2 The right side shows each device s real time output power level 3 The priority setting for each device is shown on the far left 4 Th...

Page 34: ...s work in the majority of installations and our technical support team are available to provide help in setting up your system we cannot guarantee the performance where circumstances beyond our control affect the performance of the wireless link 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 ...

Page 35: ...ey will automatically use the Ethernet link if available 9 Two example setups are shown below Ethernet used where the eddi does not have an Ethernet connection Ethernet used to link all Ethernet enabled devices Further detail on the ethernet connection WiFi and for further configurations see the separate vHub manual 7 An Ethernet expansion board is available for earlier versions of zappi 8 Earlier...

Page 36: ... pressing the 2 clips located at the bottom of unit inwards whilst pulling the fascia towards you If installing a tethered zappi you must ensure the cable wall guard is fixed to the unit using the 4 screws supplied If installing an untethered zappi go to next step Remove all 8 screws from the enclosure and carefully lift away There are 4 possible cable entry positions carefully decide which one yo...

Page 37: ...ole if mounting to a stud wall or joist To maintain the IP rating of the unit you will need to add bungs provided to the unused holes Secure the unit to the wall using the fixing kit provided Ensure the grommets are used to maintain its IP integrity Note if using the rear cable entry remember to insert the mains cable before mounting to the wall Ensure O ring is present and sits neatly into its ch...

Page 38: ...ditional upstream RCD is also required Earthing The zappi unit must be earthed in accordance with local regulations When installed on a PME TNC S electrical system it is necessary to protect the consumer from a potential electric shock that could occur if the combined Neutral and Earth PEN conductor on the supply becomes damaged or disconnected zappi includes an additional automatic disconnection ...

Page 39: ...rt the wires into the terminal blocks a suitable sized screwdriver should be inserted into the slot This opens the spring terminal allowing the wire to be gently pushed into the terminal Make sure that the wire is pushed fully home and then remove screwdriver checking that the wire is secure in the terminal Single Phase Wiring For single phase installations without the need for hardwiring an exter...

Page 40: ...rnal CT please use the above diagram Earth Green Yellow cable Neutral Blue cable Live L1 Brown Live L2 Black Live L3 Grey For 3 phase installations with the need for 1 or more external additional CTs please use the above diagram Positive Red Negative Black For more details on CT installation and connection see CT Sensor Installation Page 47 ...

Page 41: ...the eSense input with a simple dry relay contact a 24V DC supply is provided The external volt free relay contact should be wired between the terminals marked 24V out and in The eSense input is electrically isolated and effectively draws no current so the eSense signal may be connected using a wire with a small cross section When the eSense input is active the cause the eSense symbol will be shown...

Page 42: ...Installation 42 zappi operation and installation manual Wiring Overview Diagram ...

Page 43: ...ice can be used wirelessly if it is not practical to connect any CT to the eddi or zappi SINGLE PHASE A CT clamp must be placed around the live meter tail as shown above with the arrow pointing towards the consumer unit Note The clamp can be placed on the neutral tail however the direction of the arrow shown above will need to be in reversed 3 PHASE A CT clamp must be placed around each phase with...

Page 44: ...o add other CT sensors available separately for monitoring the generation or other appliances such as battery systems or general loads Installing a CT for the generator PV system or wind will allow the main screen to show the generated power and the total power consumption of all the other appliances in the property CTs can also be used to limit the power drawn from the supply See Load Balancing C...

Page 45: ... only one symbol in Linked Devices Info Positioned to see ALL import and ALL export current i e always upstream of any junction box Must be on the same phase as the master myenergi device All CTs Arrow should point towards the consumer unit 3 Phase harvi CTs When using harvi in 3 phase mode the CT inputs correspond to the phase number e g CT1 Phase 1 All harvi devices used in a 3 phase property mu...

Page 46: ...ibbon cable is not trapped between the cover and the case Ensure O ring seal is firmly placed into the channel and secure the cover to the unit using the 8 screws that were removed earlier Torque setting 1 2Nm Add fascia to the enclosure cover of the zappi as shown Ensure the 2 tabs at the bottom of the fascia click to indicate its securely fixed in place zappi is now ready for operation ...

Page 47: ...um allowed import current would not be exceeded Group Limit internal CT Sets the combined current limit for several myenergi devices A property has a large PV array a swimming pool and two zappis The supply to the zappis is only rated at 40A so to be safe a Group Limit of 40A is set Group Limit with external CT Sets the combined current limit for several myenergi devices that are sharing a supply ...

Page 48: ...his type of battery system uses the solar PV inverter to provide power from the batteries thus it is not possible to differentiate between solar and battery power when using a CT to measure the AC current from the inverter Because of this limitation there are less options for managing the surplus power with this type of battery system It is usually possible to give priority to the battery by setti...

Page 49: ...an extra earth electrode or through a device which detects the fault and disconnects the supply zappi has this protection built in11 and will disconnect the output if it detects a problem with the PEN conductor or detects that there may be any electric current flowing through the chassis of the EV This built in protection means that there is no need to install an earth electrode with the zappi If ...

Page 50: ... been removed and then press the button for three seconds Over and Under voltage zappi will also isolate the supply to the EV if it detects a problem with the electricity supply voltage The nominal supply voltage is 230V but zappi will trip the output if the measured voltage is more than 12 above or below this level for five seconds The zappi display will show Over Voltage or Under Voltage zappi w...

Page 51: ...e correct time and date in the Other Settings Time Date menu option 2 Check that the EV will charge in FAST mode 3 Check the Grid Power reading at the top right of the main screen is showing sensible readings and the direction of power flow is as expected 4 With the EV plugged in switch to ECO mode and check that the charge power is at minimum about 1 4kW OR that it is tracking the surplus power i...

Page 52: ...nu 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 consumpti...

Page 53: ... 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 d...

Page 54: ...ts is not the same Unplug the EV press and hold the button to reset the unit Charge Blocked zappi has detected that the EV has repeatedly tried to start a charge even though the EV has previously reached Charge Complete i e The battery is full the battery has reached a charge level set in the EV or the charge has been stopped by a timer in the EV Unplug the EV Charging will continue when the EV is...

Page 55: ...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 Rated Power 7kW 1 phase or 22kW 3 phase Rated Supply V...

Page 56: ...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 Tran...

Page 57: ...re is too much imported power continuing only when there is sufficient surplus power available FAST In this mode the vehicle will be charged at maximum power This is just like an ordinary Mode 3 charging point Model Variants Model No Rating Connector Colour ZAPPI 2H07UW 7kW Untethered White ZAPPI 2H07TW 7kW Tethered White ZAPPI 2H07UB 7kW Untethered Black ZAPPI 2H07TB 7kW Tethered Black ZAPPI 2H22...

Page 58: ...ase check on our web site www myenergi com for more details The myenergi forum We also have a very active user forum at www myenergi info This is where our customers and installers share their experiences provide advice to each other on getting the best out of their myenergi products and share their ideas for future product development We also post details of firmware updates on this forum and pro...

Page 59: ... Hereby myenergi declares that the radio equipment type zappi 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 internet address scan the QR code below https myenergi com declaration of conformity ...

Page 60: ...ur installation and keep this information safe Make sure you register your new zappi at myaccount myenergi com and also have a look at the myenergi app 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 ...

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