Installation Guide

or otherwise altering the construction of the enclosure, as this may
compromise safety and will void the warranty.
Reference to horizontal mounting application note
Updated clearance specifications and added link for annual-average
high temperature database
Connection to/from the Safety Switch:
AC grounding to bus bar instead of terminal block - updated
instructions and Safety Switch model images
String fusing requirement note updated:Fuses needed for 4 strings or
more (instead of 3).
Added conduit sealing requirement
In Commissioning chapter:
Updated the activation sequence
Updated menu information descriptions
Removed RS232 reference
Rapid shutdown (PVRSS):
Added important safety information notes and warnings
For a compliant PV Rapid Shutdown installation, use no more than 30
optimizers per string.
Enabling PVRSS from the inverter menu is only required if the installed
optimizers were manufactured before 2015, otherwise it is enabled by
default.
Added testing PVRSS functionality after pairing
In Configuration Menu Options:
Communication section:
Removed RS232 Conf
Added GSMConf
Power Control section:
Removed Phase Balance link and info
Added a note about compliance with UL 1741 Supplement A.
Add link to P(Q) diagram application note
Maintenance section:
-Three Phase System Installation Guide MAN-01-00002-4.3
6 Revision History