www.JFY-tech.com
12
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 compute
by special RS232 cable provided
by JFY-tech.
G. RS485: daisy-chain communication fo
one o
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 (o
220VAC), 50Hz and single phase.
B. Open AC Switch between sola
inverte
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
Recommended AC wires
Model Diameter(mm)
Cross Area(mm
²
)
AWG no.
JSI-1500TL
1.83 2.63 13
JSI-2000TL
JSI-2500TL
JSI-3000TL
JSI-3600TL
2.05 3.31 12