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For more information on meters, including CT installation, consult the DTSU666–
20 quick installation guide support.sungrowpower.com. Before installing,
please carefully check the contents of the meter manual.
• If electricity meters of other brands are used, please refer to the corresponding electric
meter manual.
6.9 Battery Connection
This section mainly describes the cable connections on the inverter side. Refer to the in-
structions supplied by the battery manufacturer for the connections on the battery side and
configuration.
Only use properly insulated tools to prevent accidental electric shock or short cir-
cuits. If insulated tools are not available, use electrical tape to cover the entire ex-
posed metal surfaces of the available tools except their tips.
The plug connector must be connected only by trained electricians.
Do not disconnect under load!
Battery connectors must not be disconnected while under load. They can be
placed in a no load state by shutting down the inverter completely.
6 Electrical Connection User Manual
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