9
en
Additionally, in the SHT Series inverters integrate the following protection devices:
■
Internal overvoltage
■
DC insulation monitoring
■
Ground fault protection
■
Grid monitoring
■
Current leakage protection
■
DC current monitoring protection
■
DC disconnector integrated
■
Reverse DC polarity protection
3�3
Front panel
3�3�1 LED indicators
1 2
4
3
Fig. 2: Status indicators on the front panel of the SHT inverters
LED
Description
Status
1
PV indicator
Blink
PV voltage not OK
ON
PV voltage OK
2
Grid indicator
Blink
Grid voltage absent or out of range. It is not possible to connect
the inverter to the grid.
ON, with blinks
every 30sec
Normal operation.
The LED is normally ON, but every 30sec it blinks according to
the current power level vs. the nominal power.
1 blink = <20% of nominal power
2 blinks = 20% to 40%
3 blinks = 40% to 60%
4 blinks = 60% to 80%
5 blinks = 80% to 100%
3
Communica-
tion indicator
Blink
Data communication underway
OFF
No communication
4
Warning
indicator
ON / blink
A warning occurred. Refer to the error table.
OFF
No warning.
The following table shows the status of the LED indicators in case of a warning/alarm:
Summary of Contents for 17SHT
Page 1: ...Instruction Manual SolarMax SHT series 17SHT 20SHT 22SHT 25SHT 28SHT 30SHT...
Page 4: ...4...
Page 39: ...39 en...
