We've been using ac coupling with Magnum's when adding backup to a grid-tied
system.
The switchover is automatic and fast. With the Magnums, there is need for a
charge controller, but the installation and wiring does take more than a day
(meow).
Why would anyone want a manual transfer switch for backup? If you are gone and
the power fails, it would be nice to know the sump pump will continue to work,
the freezer will run and the heating system will keep the pipes from freezing.
Bill Hennessy
Berks Solar, LLC
371 Centennial Rd
Mertztown, PA 19539
o 610 682 4300
c 484 560 4666
NABCEP certified installer
PA contractor #44411
www.berkssolar.com
From: Tom Lane <[email protected]>
To: "[email protected]" <[email protected]>
Sent: Tuesday, June 2, 2015 4:46 PM
Subject: [RE-wrenches] Morningstar new battery backup , more comments and
opinions
I would appreciate more opinions and comments on the new Morningstar Controller
for Grid connected systems . I developed a simple transfer switch back for
this type of application back when Grid Connected systems were 48 volts . This
seems like a great idea for high voltage Grid Connected System . Tom
Sent from my iPad
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