Overview; Overview Diagram - zappi -2H07UW-G User Manual

5. 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
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Optimises microgeneration self-consumption
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Works with solar PV, wind turbine or micro-hydro systems
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Economy tariff sense input
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Programmable timer function
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Charge and event logging
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Remote control and monitoring add-on option
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Pin-code lock function
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Tap operated display backlight
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Built-in protection against the loss of the protective neutral and earth (PEN) conductor as required by BS
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7671:2018 Amendment 1:2020(The "Wiring Regulations")
Ethernet connector (for local communications between myenergi devices)
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Integral cable holster (tethered units)
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Supplied with 1 x clip-on grid current sensor (x3 if purchasing a 3-phase unit)
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Illuminated display – for convenience, the display can be illuminated by simply tapping the zappi front cover.
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Integrated WiFi for connecting to internet.
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Front Lid Tamper Detection
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5.1 Overview Diagram

The diagram on the next page 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.