I just finished a call with Schneider Electric tech support about
setting up a multi-inverter XW Pro system. My complaint was (and is)
that despite what the manual says, you can't set up a XW Pro slave unit
in a multi-inverter system using the system control panel (SCP); that
can only be done using the gateway or the configuration tool. And once a
XW Pro is set up to be a slave, the only path back to being a master is
with the gateway or the configuration tool, or to reset the unit to
factory defaults with the SCP. Technician explained that the 20-year old
design of the SCP doesn't have enough memory to allow the 120/240 split
phase options. However, it does seem to have enough memory for 120 or
240 single phase and 120/208 three phase, ...
The reason this is a thorn in my side is that Schneider wants to market
this inverter for off grid use and seems to totally ignore what happens
when you have an off grid power system failure. If you have a master
inverter failure and need to reconfigure the system, it needs to be
something that can be corrected easily - in the middle of the night. No
ac power, no computer, no phones, no internet. The only option seems to
be to reset a slave unit with the SCP and then reprogram it.
No longer as enthusiastic about using Schneider for off grid power.
Kent Osterberg
Blue Mountain Solar
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