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INSTALLATION AND
PROGRAMMING
GUIDE
4.5.
SUNWAY M PLUS
GPRS Modem/Router
NOTE
This option is only available with the Data Logger option.
The GPRS module, via an Internet connection, allows the user to remotely monitor the status of the inverter,
access the production data and receive messages in case of malfunctions. The services provided allow the
user to take prompt action on the plant or simply to work remotely to change the parameters of the inverter.
CAUTION
Because environmental conditions strongly affect the expected life of the GPRS module,
only install indoors and protected against weather conditions.
4.6.
Positive Earth
This option is needed if the photovoltaic panels connected to the inverter require ground polarisation of the
positive pole of the PV field. Check with your supplier of PV panels the configuration of the PV field and the
grounding of the PV panel frames.
NOTE
To be ordered together with the inverter.
4.7.
Negative Earth
This option is needed if the photovoltaic panels connected to the inverter require ground polarisation of the
negative pole of the PV field. Check with your supplier of PV panels the correct wiring of the inverter to the
PV field.
NOTE
To be ordered together with the inverter.
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