User’s Manual 1PH HYD3000-HYD6000-ZSS
Rev. 1.1 16/03/2021
Identification: MD-AL-GI-00
Rev. 1.1 of 16/03/2021 - Application: GID
4. Electrical connections
Carefully assess the risks deriving from electric shocks and chemical hazards!
Use a multi-metre to check the DC polarity of the battery and cables before connecting the power supply
between the batteries and inverter.
NOTE: an inverted polarity connection may cause irreparable damage to the inverter and batteries.
Note: the Pylontech batteries, as well as the WeCo batteries do not require a disconnecting device for connecting
to the storage inverter. The Cable kit, which includes crimped power cables for connecting the Pylontech
batteries to the 1PH HYD3000-HYD6000-ZSS storage inverter, is supplied separately. Make sure your storage kit
is equipped with this accessory. In the case of WeCo batteries, the connection kit is already inside the package.
A 25A AC disconnecting device (circuit breaker) must be installed between the 1PH HYD3000-HYD6000-
ZSS inverter and the power grid. It is also recommended to use a differential with a trip threshold of 300
mA between the 1PH HYD3000-HYD6000-ZSS inverter and power grid.
For safety and proper functioning of the system, it is important to use a cable of the appropriate type and
size for the electrical connections.
- Battery connection: DC cable with cross-section of AWG8 or AWG6 (supplied).
- Grid or load connection: AC cable with cross-section of AWG12.
!!!PLEASE NOTE!!!
If the storage capacity needs to be increased by adding one or more batteries to an existing system, make sure
that all the batteries (installed and to be installed) are fully charged.
To check the charge status of each battery, connect them one at a time to the inverter and view the charge level
on the display (all the instantaneous information can be accessed by pressing the “Down” key from the main
menu).
The batteries can be recharged from the excess photovoltaic production or by using the forced charge mode
indicated in the “% charge mode” section of this manual.
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