Operation and installation manual
Page 25 of 96
(PVI-STRINGCOMB (-S, -MC, -S-MC) - Rev:1.0)
6 DESCRIPTION OF THE PARTS OF THE PVI-STRINGCOMB(-S)
6.1 Assembly
The PVI-STRINGCOMB(-S) is essentially composed of the following parts:
(A) Input connections for the positive pole of the strings and relative fuses
(B) Input connections for the negative pole of the strings and relative fuses
(C) Connection of signal input/output and RS485 communication.
(D) Connection of the Earth wire. (Appendix A: Technical Data)
(E) Connections for the output wires of the strings in parallel (Positive and
Negative)
(F) Component to protect the DC line against overvoltage, with relevant
protection fuses and component to protect the RS485 line against
overvoltage.
(G) DC
2
isolating switch with trip coil opening module and auxiliary status
contact.
(H) Control board for monitoring the strings.
Figure 6-1: Inside of the PVI-STRINGCOMB-S
2
Only on the PVI-STRINGCOMB-S version
A
B
C
D
E
F
G
H
