Electrical connection must only be operated on by professional techni
-
cians. Please keep in mind that the inverter is a bi-power supply equip
-
ment. Before connection, necessary protective equipment must be em
-
ployed by technicians, including insulating gloves, insulating shoes and
safety helmet.
USER MANUAL
SAJ SOLAR INVERTER
Electrical Connection
5.1
Safety Instruction
5.2
Specification for
Electrical Interface
Figure 5.1
Electrical terminals
Table 5.1
Specifications for interface
DANGER
Dangerous to life due to potential fire or electricity shock.
· The PV panel string will produce lethal high voltage when exposed to sunlight.
· Disconnect DC and AC circuit breakers before starting electrical connections.
· Ensure all the cables have no voltage before conducting cable connection
Item
Name
A
DC Switch
DC Input
RS232 Communication
RS485 Communication
AC Output
Ground Connection
Ground Connection
B
C
D
E
F
G
25
26
5
WARNING
· Any improper operations during cable connection can cause device damage or
personal injury.
· All cables must be undamaged, firmly attached, properly insulated and adequately
dimensioned.
NOTICE
· When power-on, the equipment should be in conformity with national rules and
regulations.
· The direct connection between the inverter and high voltage power systems must be
operated by qualified technicians in accordance with local and national power grid
standards and regulations.
