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10.
Connect any relevant CTs into the termination blocks provided.
Rules must be followed for the zappi to work correctly.
Hold down the spring connectors and push the CT cables into the blocks.
Make a note of what each CT is measuring and record it below E.g Grid, Generation,
AC Battery.
Ensure the
RED
You can use the Harvi if hardwired CTs are impractical
CT1___________________________________________________________
CT2__________________________________________________________
CT3__________________________________________________________
Grid CT
Only ONE Grid CT per phase (check for only one ~ symbol in Linked Devices Info).
Must be located to 'see' ALL import and ALL export current (i.e. always upstream of any junction box).
Arrow pointing in direction of import (e.g. towards consumer unit if on Live cable).
All other CTs
Arrow should point in direction of normal power flow INTO 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).
Ensure O-ring is
11.
present and sits
neatly into its
channel
13.
Ensure all relevant testing and inspection
has been
carried out according to local
wiring regulations, then powerup the
zappi.
D3405 UNITED KINGDOM
goes to + and BLACK goes to –
CT Golden Rules
12.
14.
harvi – Linked Devices
If using a harvi you need to ensure your zappi is first set to "master". If this is a
standalone zappi then it will already be set to master as part of the power up procedure.
. Then follow the individual harvi instruction manual to ensure correct set up and pairing.
1. Put the harvi into pairing mode by pressing the button on the harvi until you see
2. Now select "channel" on the zappi and make sure
3. Put the zappi into pairing mode by selecting the
4. The zappi will search for the harvi and display it's
5. Press the + button to complete the pairing. After a
The CT Golden
Re-fit the cover ensuring the ribbon cable is seated firmly,
both in the zappi and onto the back of the cover.
Using a torque driver, tighten all 8 front cover screws to a
setting of 1.2Nm.
Now fit the black or white front fascia.
BLUE flashes. The harvi will stay in pairing mode for 2 minutes. (amount of blue
flashes indicates the channel)
this corresponds with the channel harvi is on.
menu Other Settings...> Advanced...> 0 0 0 0
>Linked Devices...>Pairing Mode...
serial number on the screen.
countdown the screen will refresh and show the
connected devices with the harvi listed.
Rev 2.1.0 May 2022
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