Eltek Valere THEIA S User Manual page 46

Isolation monitoring
The menu Insulation monitoring enables to check the insulation between solar generator
terminal and protective conductor.
Key Function
 Navigate within menu
ESC Back to Main Menu
OK Accept selected mode
Note:
Insulation monitoring is deactivated in the factory.
When the OK key is pressed, the inverter accepts the changed parameters.
Four operating modes are possible depending on the type of installation:
— INSULATED
No connection installed between solar generator terminal and protective conductor
— MINUS GROUNDED
Negative terminal of the solar generator is connected to the protective conductor
— PLUS GROUNDED
Positive terminal of the solar generator is connected to the protective conductor
— DEACTIVATED
Activate insulation monitoring
If the insulation monitoring is activated, the inverter constantly performs the insulation
monitoring.
If the insulation resistance is too low:
— The inverter is separated from the mains until the error is resolved
— The inverter shows an error message
46
User's Guide THEIA S String Inverters
357100.013, Issue 2.0, 2010 Aug