Situation:
Panels on roof of home.
Rapid Shutdown Devices under panels. (APsmart RSD-D-20)
Conduit down exterior.
This conduit contains 4 strings of DC PV conductors and penetrates exterior wall into garage.
2 inverters in garage. (Growatt MIN 7600TL-XH-US, 7.6 kW - w/integrated DC Disco)
Inverter ouptut circuits run to service panel on exterior. (2 @ new 2p40A brkrs)
Inverter manual states Rapid Shutdown is triggered automatically by loss of AC power ( ie flipping the backfed breakers off)
Do i need a good old (manually operated, visible blade) DCD at point of penetration?
Is there still (from 20 years ago) a requirement to shut off DC conductors completely to 0V when entering a home - beyond the RSD requirements?
(FWIW, the service and DC penetration point are about 5 feet apart.)
Panels on roof of home.
Rapid Shutdown Devices under panels. (APsmart RSD-D-20)
Conduit down exterior.
This conduit contains 4 strings of DC PV conductors and penetrates exterior wall into garage.
2 inverters in garage. (Growatt MIN 7600TL-XH-US, 7.6 kW - w/integrated DC Disco)
Inverter ouptut circuits run to service panel on exterior. (2 @ new 2p40A brkrs)
Inverter manual states Rapid Shutdown is triggered automatically by loss of AC power ( ie flipping the backfed breakers off)
Do i need a good old (manually operated, visible blade) DCD at point of penetration?
Is there still (from 20 years ago) a requirement to shut off DC conductors completely to 0V when entering a home - beyond the RSD requirements?
(FWIW, the service and DC penetration point are about 5 feet apart.)