Hioki FT4310, Instruction Manual, Page: 37 / 72

33
Measurement Preparation
3.5 Measurement Preparation
1
Turn off the main switch of the connection box to be
disconnected from the power conditioner.
2
Turn off all the disconnector devices of the strings.
3
Disconnect lightning arresters from the measuring circuit.
Disconnection is not required for the figure (solar generator facility)
shown below because a lightning arrester is not present at the string
side of the disconnector device.
Off
2
Off
1
SELF
CHECK
N ( - ) P ( + )
String
Disconnector devices
Main switch
Lightning
arrester
Connection
box
Power Conditioner
(Example: Solar generator facility)
1
2
4
5
6
7
Appx.
Index
3