enphase IQ8D-72-E-US Design Manual page 100

PV Rapid Shutdown must be installed and operational
including activation device and required markings.
The Enphase inverter series IQ8D is UL Listed as PV
Rapid Shut Down Equipment and conforms with NEC
Section 690.12 Rapid Shutdown of PV Systems, for AC
and DC conductors, when installed according to the
following requirements:
• Microinverters and all DC connections must be
installed inside the array boundary.
Enphase further requires that the Microinverters
and DC connections be installed under the PV module
to avoid direct exposure to rain, UV, and other harmful
weather events.
• The array boundary is defined as 305 mm (1 ft.)
from the array in all directions, or 1 m (3 ft.) from the
point of entry inside a building. This rapid shutdown
system must be provided with an initiating device
and (or with) status indicator which must be installed
in a location accessible to first responders or be
connected to an automatic system which initiates
rapid shutdown upon the activation of a system
disconnect or activation of another type of emergency
system. The initiator shall be listed and identified as a
disconnecting means that plainly indicates whether it
is in the "off" or "on" position.
© 2022 Enphase Energy Inc. All rights reserved.
Examples are:
• Service disconnecting means
• PV system disconnecting means
• Readily accessible switch or circuit breaker
The handle position of a switch or circuit breaker is
suitable for use as an indicator. Refer to NEC for more
information.
Additionally, in a prominent location near the initiator
device, a placard or label must be provided with a
permanent
marking including the following wording:
'PHOTOVOLTAIC SYSTEM EQUIPPED WITH RAPID
SHUTDOWN' The term 'PHOTOVOLTAIC' may be replaced
with 'PV.' The placard, label, or directory shall be reflective,
with all letters capitalized and having a minimum height of
9.5 mm (3/8 in.) in white on red background.
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