PV Connection
CAUTION: Before connecting to PV modules, please install separately a DC circuit breaker between inverter and
PV modules.
WARNING! All wiring must be performed by a qualified personnel.
WARNING! It'’ very important for system safety and efficient operation to use appropriate cable for PV module
connection. To reduce risk of injury, please use the proper recommended cable size as below.
PV Module Selection:
When selecting proper PV modules, please be sure to consider below parameters:
1.
Open circuit Voltage (Voc) of PV modules not exceeds max. PV array open circuit voltage of inverter.
2.
Open circuit Voltage (Voc) of PV modules should be higher than min. battery voltage.
Max. PV Array Open Circuit Voltage
PV Array MPPT Voltage Range
Please follow below steps to implement PV module connection:
1.
Remove insulation sleeve 10 mm for positive and negativeconductors.
2.
Check correct polarity of connection cable from PV modules and PV input
connectors. Then, connect positive pole (+) of connection cable topositive pole
(+) of PV input connector. Connect negative pole (-) of connection cable to
negative pole (-) of PV inputconnector.
3.
Make sure the wires are securely connected.
4.
Need to wait for 2-3 minutes for successful communication before the solar can start charging.
PV Wiring
18KW, MPPT 240A
PV1 and PV2 cannot be conn
ected in parallel
Communication Connection
Please use supplied communication cable to connect to inverter and PC. Follow on-screen instruction to install
the monitoring software. For the detailed software operation, please check user manual of software. Please
contact the supplier for details of the monitoring software.
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