Dc Side Connection - Ningbo Ginlong Technologies Solis-20K Installation And Operation Manual

5. Installation

5.3.1 DC side connection

A) Please make sure the polarity of the output voltage of PV array matches the
"DC+"and "DC-"symbols.
B) Connect the "DC+"and "DC-"to the input terminals; see Figure 5.7 and Figure 5.8.
Figure 5.7 DC+ Connector
The steps of assembling the DC connectors are listed as follows:
I) Strip off the DC wire for about 7mm, Disassemble the connector cap nut
(see Figure 5.9).
Figure 5.9 Disassemble the Connector Cap nut
ii) Insert the wire into the connector cap nut and contact pin as shown in Figure 4.12.
Figure 5.10 Insert the Wire into the Connector Cap nut and contact pin
.16.
Figure 5.8 DC- Connector
iii) Crimp the contact pin to the wire using a proper wire crimper as shown in Figure 5.11.
Figure 5.11 Crimp the contact pin to the wire
iv) Insert the contact pin to the top part of the connector and screw up the cap nut to
the top part of the connector (as shown in Figure 5.12).
Figure 5.12 Connector with Cap nut Screwed on
v) Then connect the DC connectors to the inverter. Small click will confirm connection (as shown
in Figure 5.13).
Figure 5.13 Connect the DC Connectors to the Inverter
5. Installation
.17.