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faqs

Release Notes:

zappi 2 – Firmware Version 2.130/2.139/2.140

(18/11/2019 and 25/11/2019)

This firmware update includes a number of improvements based on feedback received from people who have been using the new zappi since it was released in July.  These notes provide details of the new functionality provided as well as the bug fixes and other enhancements.

New functionality

Neutral Limit

This applies on Zappi’s that are part of a three phase installation (it does not matter if the Zappi is a three phase or single phase version provided that the three phase Grid CT’s are installed – either directly connected or via a Harvi).  The neutral current is calculated from the three line currents measured by the Grid CT’s and if it exceeds the limit set in the Zappi the output trips.   This is a requirement in some countries – eg in Germany there is a limit of 20A on the neutral at the supply to the property.

The neutral limit is set under the Supply Grid menu  (Default is “Neutral Limit: OFF”)

Supply Import Limit (Grid Limit) – Grid CT Failsafe  “G100 Protection”

To meet the requirements being set by some Distribution Network Operators for “Supply Limitation Schemes”, a new feature has been introduced to detect if there is a problem with the Grid CT measurement.  Each wired Grid CT has an extra setting, that when activated, enables the additional protection of Grid Limit function. When enabled, if the Grid CT is disconnected then, after 5s, Zappi shuts down the charge.

Recovery occurs when a signal is detected again on the CT. A warning flag is displayed next to the grid tower, to indicate that there is a problem with the Grid CT.

Note: Although the Grid Limit will work if the Grid CT is connected to a Harvi, we would recommend that the Grid CT’s are wired directly to the Zappi if the Grid Limit is set.  The new G100 Failsafe only works on wired CT’s

The Grid CT Failsafe feature is enabled under the CT Config menu for the Grid CT by turning the “G100” entry to “ON”

Note that the DNO’s sometimes ask for Customer load management schemes to follow the principles of Standard Technique: SD1E (ENA ER G100)”  This new feature meets these requirements provided that the Grid CT is hardwired back to the Zappi.

New PIN Lock Setting – Protect Menus

A new PIN Lock setting has been introduced which allows unrestricted use of the Zappi but which protects any settings that have been entered.

This is in addition to the normal PIN Lock settings which prevent unauthorised use of the Zappi and/or unplugging of the charge cable and the code that protects the Advanced Settings menus.

To allow the EV to charge even when the Zappi is locked set “Charge: ON” on the “Lock  Function” menu.

Improvements

– Pilot Debug (Readings page5) to record ANY Pilot Errors, including state F
– Phase Active displayed on Readings page 2
– Multi Phase Load Current displayed on Readings page 1
– Allow EV’s to charge without being unplugged when Zappi reboots
– Changes to pilot voltage measurement to prevent spurious “Pilot Problem!” messages
– MIN and MAX CP readings also to be recorded in Readings page 5
– Delay LED colour change rate when charging to prevent rapid colour changes with transient PV / Grid power change
– Under/Over voltage are not checked if L2 and L3 are not connected on a 3ph Zappi
– Prevents “Contactor Fault!” when switching from 1 phase to 3 phase as some EV’s may have a voltage on L2 even when charging on L1 only!
– RCD Trip information included in the Event Logs display
– eSense : “Boosting” is printed at centre of the screen when active
– Beta support of single phase charging only using L2 or L3
– Minimum Green Level (MGL) calculation for multi phase systems improved
– Supply Grid “Net Phase” is not set as default in 3ph units
– Manual Boost from the app correctly sets target energy to match the app display and target
– Lock Test: allows test of the lock solenoid when no EV cable is plugged. Setting available in the “Lock Function” menu.
– Power Factor readings are now averaged over a second. Improves reading stability and avoid sudden changes of “min PWM” from 10% to 12% when charging at minimum rate

Bug Fixes

– Dutch & German languages could cause Zappi to crash, as the string (translated) were too long (> 21 characters).
– String length checks have been added to avoid this.
– Fixed “Force Output” functionality
– Smiling House display was only taking power readings on phase 1
– Default CT Config for 3ph units : GRID for all 3 CTs
– Zappi can now recover from Installation Limit in ECO+ mode
– Three phase Zappi was not switching to 3 phase charging when a Manual Boost was triggered from the App
– All boost commands work in the same way whether set locally or via the app
– Cancel Boost from the app was not cancelling a Manual Boost
– eSense : ECO+ was stopping the charge when eSense was active
– Updated Min/Max protocol value to take into account the number of active phases
– Smart Boost statuses and flags are now properly reset when a Smart Boost energy target has been reached.
– V2.140: French, Dutch or German languages were displaying the wrong status in the Main screen and in Readings page1
– V2.140: Grid Limit was only working when set higher than Neutral Limit

Known Issues

The following known issues remain to be fixed:

– 3 phase zappi, built in CT’s not interpreted correctly in the app, resulting in a third of the power being reported
– 3 phase zappi, CT’s hardwired to zappi not shown correctly in app
– Tesla Model 3 – does not correctly work in ECO+. This will required a firmware update from Tesla

zappi v2 Firmware version 2.124 (22/10/2019)

This firmware release improves the compatibility with a number of vehicles including the VW e-Golf.
For details of how to update the firmware see: https://myenergi.com/updating-your-firmware/

New Features

  • German Translation (Beta)
  • Three-phase zappi now supports 2 phase charging (feature of e-Golf)

Enhancements

  • Better handling of the way that zappi pauses and then resumes the charge (ECO+, grid Limit etc). This should resolve the problem in ECO+ where some vehicles failed to wake up after the charge is suspended (although this still does not resolve the issue with the Tesla Model 3 which requires a change in the Tesla firmware)
  • Changes to the restart sequence rules.  This resolves a cycling issue which would cause the auxiliary battery on some vehicles to be discharged when the vehicle battery was already fully charged when it was plugged in.
  • Plug lock delay increased to 1 second on untethered zappi avoiding problem that some people reported with lock engaging before plug pushed fully home
  • Grid Limit minimum value changed from 20A to 13A
  • At the end of charge, the zappi now avoids cycling which affected some EV’s (checking/charging/waiting for EV)
  •  Smart Boost test time increased from 15 to 30s to improve prediction or charge time required

Bug Fixes

  • Three phase zappi – App commands now follow correct logic for switching between single phase and three phase output
  • "Net Phases" is no longer reset when Zappi boots up
  • Cable on untethered zappi was occasionally locked at boot up.
  • ECO+ resumes correctly after Smart Boost tests when Smart Boost is set
  • ECO+ mode was not working correctly when PIN Lock was active
  • Display: Linked Devices Info "PWR Now" was not reporting Phase 2 & 3 power 
  • Display: "Stopping" 3s timer is now decremented correctly in the display

For e-Golf owners, we have started a new thread here specifically for this vehicle.  e-golf-issues-and-setting-for-zappi-and ... -t859.html
Please use this to report any new (or remaining) issues (if any!) that you have after installing this upgrade.  VW appear to have produced several different versions of their on-board charging system which means that it is very difficult to make sure that we've caught every feature on every car... 

 

zappi v2 Firmware version 2.121  (28/09/2019)

This firmware update includes a number of improvements based on feedback received from people who have been using the new zappi since it was released in July.  These notes provide details of the new functionality provided as well as the bug fixes and other enhancements.

New functionality

Socket Lock

For untethered versions the charge cable is now locked into the socket on the zappi as soon as the cable is plugged in (even if the other end of the cable is not plugged into an EV).

When the cable is locked into the socket a small ‘lock’ icon will be seen on the right side of the Zappi, in the centre of the screen.

When the EV has finished charging or it has been unplugged, the display will show “(+) to unlock cable

When the EV is disconnected, a press on the “+” key will unlock the plug for a duration of 5 seconds, allowing the plug to be removed from Zappi. The screen will show “Cable released“.

After this time, the lock will be re-activated.

If the ‘Lock Function’ (PIN lock) feature is enabled in the zappi, the cable will be not 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.

Security Password for PIN Lock

If you have set up a PIN to lock the zappi and forget what the PIN is, you can now contact myenergi technical support () who will provide you with a unique passcode to unlock the unit.

Compatibility with IT Earthing Systems

Note:  This is an advanced feature which should only be changed by the installer.

Zappi v2 includes a check to make sure that there is a good earth connection on the supply cable.  If there is a problem with the earth cable then zappi will display a warning and prevent the output to the vehicle being turned on.

In some countries the electrical supply arrangements are different (referred to as “IT Earthing”) and this feature will not work correctly.    With this firmware release the “PE Earth Check” can be turned off under the Compatibility Mode… settings on the Advanced… menu

Improvements

Can charge directly legacy EVs at startup (from C1 state)

Reactive Current display in “Compatibility Mode” screen

Removed Phase Rotation Checks

Power Factor is recorded and used in State B to adjust minimum green level (MGL)

Adjusted PP values to meet IEC 61851-1

Protective Earth (PE) contactor is now closed at a B2->C2 transition.

New Sequence : PE Contactor, RCD SelfTest, Relay, Contactor

Plug detection using PP & CP

Plug Locked as soon as cable inserted (untethered version – see above)

Adjusted LCD graphics (unlock symbol & ev cable)

Pin Lock : zappi cannot be soft reset anymore

CT2 and CT3 menus can now be accessed in 3ph zappis. Settings can’t be changed must happen while changing CT1 settings

Updated Dutch Translation

ECO+ mode : PWM is now ON after a Restart Sequence. There is no need for another cycle through “Waiting for surplus” anymore

Added delay before enabling SelfTest : allow for fault checks

Power not to be alloted when “Charge Delayed” or “Waiting for EV..” or when Zappi is locked

“End Charge Delay” default changed to 40s

“RCD Checking..” message is now synchronised to RCD protection board status

PWM is forced to min before 1A is drawn (avoid inrush current)

Improved switching of PE contactor.

Minimum Green Level to use Compatibility mode PWM before session starts : enable min power at 1.4kW instead of 1.6kW. After that, Zappi uses the last measured power factor from the EV itself.

Bug Fixes

Phase switching when Manual Boost ends

Radio Reset/Config Reset/Factory reset doesn’t generate an error code anymore (MEL_Alloc)

Socket Lock & Pin Lock do not conflict anymore

Pause timer was displayed in ECO and FAST mode

Socket to be unlocked when fault is detected

Time Zones are now working

PE Contactor OFF when Pilot is Dx

Used to bypass pin lock and enabled charge

Used to lock plug if locked zappi and legacy EV inserted

Known Issues

The following known issues remain to be fixed:

– 3 phase zappi, built in CT’s not interpreted correctly in the app, resulting in a third of the power being reported

– 3 phase zappi, CT’s hardwired to zappi not shown correctly in app

– Tesla Model 3 – does not correctly work in ECO+. This will required a firmware update from Tesla

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Contact

Officiële importeur / distributeur voor zappi - verkoop en distributie Nederland, België en Luxemburg:

Zappi Benelux

Symphoniesingel 112a
6218AA  Maastricht

Email adres:
KvK nummer: 64604551
BTW nummer: NL855740462B01

Verkoop   : +31 85 400 55 22 keuze 1
Support    : +31 85 400 55 22 keuze 2
Logistiek  : +31 85 400 55 22 keuze 3
 
 

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