Connecting To The Ac Grid (Utility) - JFY tech JSI-1100TL Installation And Operator's Manual

power company provides power to your place. Please note that Inverter can
only connect to low-voltage systems (namely, 220/230Vac, 50Hz).
Note: JFY-tech provides an integrated switch box that includes DC switch, AC
switch, DC fuse, AC fuse, DC SPD and AC SPD devices as an option. Of
course, you can get similar switch box from your local market.
Fig. 7 Connections available on inverter bottom and relevant marking
E. PV INPUT: Connected to PV Panels by MC4 terminals.
F. RS232: Connected to monitoring computer by special RS232 cable provided
by JFY-tech.
G. RS485: daisy-chain communication for one or more inverters.
H . AC TERMINAL (three blocks in right hand): Connected to AC Grid.

2. 5 Connecting to the AC Grid (Utility)

A. Measure AC grid (utility) voltage and frequency. It should be 230VAC (or
220VAC), 50Hz and single phase.
B. Open AC Switch between solar inverter and AC Grid (Utility).
C. Open AC terminals cover and connect AC wires on AC terminals as follows:
Fig. 8 AC terminals under AC terminals cover
R e c o m m e n d e d A C w i r e s
M o d e l
JSI-1500TL
JSI-1100TL
www.JFY-tech.com
D i a m e t e r ( m m )
1.83
C r o s s A r e a ( m m
2.63
12
²
A W G no .
)
13