3 Installation
String PV Grid-tied Inverter PSiO-W3#1100VPVK Series
(100000-125000)
User Manual
36
3.6 Electrical Connection
3.6.1 Safety Announcements
During operating, professionals must wear protective equipment.
High voltage may exist in the inverter.
PV string exposed to sunlight will generate dangerous voltage.
Do not close the DC switches and external AC breaker before completing the electrical
connection.
Make sure that all cables without electricity before wiring.
Any improper operation during wiring may cause equipment damage or human injury, so, wiring
operation must be performed only by professional technicians.
The cables used in the PV power generation system must be firmly connected, intact, well
insulated and with appropriate specifications.
The wiring process must follow the relevant rules of the local power grid and the relevant safety
instructions of the PV string.
All electrical installations must comply with the electrical standards of the country or local
region.
The inverter can only be integrated into the power grid after obtaining permission from the local
power department.
