Pylontech P-Combiner-HV-3 Instruction Manual page 13

7.Disconnect Switch
ON/OFF
connect positive and negative cable from inverter to
combiner box Power Output Terminal.
Ensure NO reverse connection.
A) Switch on
1)Double-check the wiring connection, ensure no
reverse connection and wrong connection follow the
electric diagram.
2)Close and lock the door.
3)Switch ON the Disconnect Switch, then further power
on the BMSs and system follow the battery system
operation manual.
B) Switch off
1)For maintenance, please switch off all BMSs first then
switch OFF the Disconnect Switch for safely operation.