high voltage systems without dc discos [RE-wrenches]

[William Miller]

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Jerry:

One word:  Bravo!

William Miller




At 04:15 PM 12/13/2004, you wrote:

>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

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