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Photovoltaic Rapid Shutdown System Requirements
WARNING!
THIS PHOTOVOLTAIC RAPID SHUTDOWN SYSTEM (PVRSS) INCORPORATES
ONE OR MORE PIECES OF EQUIPMENT THAT EXERCISE THE RAPID SHUTDOWN
CONTROL OF PV SYSTEM CONDUCTORS REQUIRED BY SECTION 690.12 OF THE
NEC (NFPA 70). OTHER EQUIPMENT INSTALLED IN OR ON THIS PV SYSTEM
MAY ADVERSELY AFFECT THE OPERATION OF THIS PVRSS. IT IS THE
RESPONSIBILITY OF THE INSTALLER TO ENSURE THAT THE COMPLETED PV
SYSTEM MEETS THE APPLICABLE RAPID SHUT DOWN FUNCTIONAL
REQUIREMENTS. THIS EQUIPMENT MUST BE INSTALLED ACCORDING TO THE
MANUFACTURER’S INSTALLATION INSTRUCTIONS.
SolarEdge inverters and power optimizers installed together form a photovoltaic
rapid shutdown system (PVRSS). All inputs and outputs of the inverter and power
optimizers comply with photovoltaic rapid shutdown requirements for controlled
conductors both inside and outside the array boundary. To form a PV rapid
shutdown system, no more than 30 power optimizers should be installed in series.
Each power optimizer will output around 1 Vdc when rapid shutdown is initiated.
Rapid shutdown time limit is 30 Sec.
This SolarEdge system is compatible with the
Grid support interactive compatible
functionality.
All DC and AC conductors served by the power optimizers and inverters are
controlled by the photovoltaic rapid shutdown system. The AC branch circuit
conductors serving the inverter may remain energized until the AC service panel is
de-energized. Installers must provide signage complying with Section 690.56(C) of
the NEC (NFPA 70).
Buildings with rapid shutdown PV systems, complying with NEC 690.56(C), shall
have permanent labels as described in 690.56(C)(1) through (C)(2):
(1)(a) For PV systems that shut down the array and conductors leaving the array:
The title
"SOLAR PV SYSTEM EQUIPPED WITH RAPID SHUTDOWN"
shall
utilize capitalized characters with a minimum height of 3/8 in. in black on yellow
background, and the remaining characters shall be capitalized with a minimum
height of 3/16 in. in black on white background.
Single Phase Energy Hub Inverter with Prism Technology MAN-01-00842-1.3
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Photovoltaic Rapid Shutdown System Requirements
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