JUST POWER ON64
7.1 Preliminary Check
Check the followings before first use.
• Confirm that all components of the system are installed according to specific
requirements.
• Make sure the PV+/PV- and BAT+/BAT- cables are connected with correct polarity
and proper voltage.
• Switch off all AC and DC circuit breakers.
• Circuit breakers should be selected according to the requirements of this manual
and local regulations.
• Make sure grid and load cables are held firmly in place.
• All safety signs and warning labels shall be firmly attached and clearly visible when
needed.
7. System Check
Meter
On_Grid Breaker
Transfer Switch
Main Breaker
QF
QF
B500
+
-
Backup Loads
PV Input
Backup
Grid
Inverter
CT-1
+
-
RCDRCD
EP760
RCD
CT
CT-1
Non-essential
Loads
COM
21 22
UN
UA
Solar
L
N
PE
N
L
PE
5
1
84
62
L
N
PE
L
N
PE
N
L
PE
RS485-A
RS485-B
L
N
PE
Figure 6-16 AC Coupling