User Manual
19
Incorrect cable connection may cause damages to the PV cells, the
PVS and inverter. Respect the following instructions during cable
connection:
Connect by strictly following the circuit diagram;
Measure the positive and negative polarity of each string by
ammeter with withstanding voltage no less than 1500V and make
sure there is no reversed connection before cable connection.
Measure and make sure the string open-circuit voltage meets the
requirements of the PVS before inserting the fuse;
Identify the positive pole and negative pole before connection.
Brief Description
There are two types of input terminals: gland waterproof terminals and MC4
terminals.
For the MC4 terminal, perform cable connection referring to Scheme 1.
For the gland waterproof terminal, perform cable connection referring to
Scheme 2.
Scheme
1: MC4 Terminal
Step 1
Strip off 7mm insulation layer from the positive and negative DC cable.
Step 2
Assemble the cable ends with crimp contacts by crimping pliers.
Step 3
Connect the cables according to the method illustrated below. Pull the
cable gently to make sure it is secured.
−
Connect the positive input cable according to the figure below.
Summary of Contents for PVS-12MH-DB
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