high voltage systems without dc discos [RE-wrenches]

[Jerry Caldwell]

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Wrenches,

A selling point being given to us for the "other"
(sharp, fronius, xantrex) high voltage string
inverters is that we don't need an external high
voltage DC disconnect due to the one being provided on
board the inverter.

While in the process of giving competing quotes when I
know my competitors are specifiying the newer
inverters, I have been tempted to not include a DC
disco to keep my price as low as possible.  But when I
think of the inevitable swap out(s) over the life of
the system, I can't bring myself to jeopardize the
safety of future techs who will be performing the
swaps.  I'm acually ok with the thought of myself
taping off wires and pulling an inverter off the wall.
 The lack of control I have over what others may do
down the line is what bothers me.

Does anyone feel differently?  Are wrenches intalling
high voltage systems without discos?

=====
Jerry Caldwell
NABCEP Certified PV Installer
Light Energy Systems
965 Detroit Ave
Concord, CA 94518

925-680-4343 office
510-205-2798 mobile


		
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