Roy Butler
Date: 4/26/2016 4:22 AM (GMT-10:00)
To: RE-wrenches
Subject: Re: [RE-wrenches] Inverter/AC pump compatibility question
Allan,
I have several customers running the Grundfos SQE series on their
modified square wave inverters.
To be clear, those most recent w
Hi Allan,
just to add to the testimony of others, I have several customers out there
with 1990s era Trace DR inverters running SQ pumps and they seem to work fine.
-Luke
NABCEP Certified PV Installation Professional™: Certification #031409-25
NABCEP Certified Solar Heating Installer™: Certifi
Allan,
I have several customers running the Grundfos SQE series on their
modified square wave inverters.
To be clear, those most recent was about 5 years ago, so perhaps
there's been a design change since then.
Roy Butler
NABCEP Certified Solar PV Installer®
NYSE
You can tell the grey-beards from younger wrenches…..A square wave is generated
and modified to act like a sine wave, thus, it is a modified square wave. As I
see it, in order to deceive the consumer, the term "modified sine wave" was
created.
Larry
On Apr 26, 2016, at 5:57 AM, Carl Hansen wr
Allen,
I have a customer who until recently ran her SQ off of a Trace DR2412
modified sinewave inverter/charger just fine for 6 or more years. I
think some folks refer to these inverters as modified square wave.
Carl
Hansen&Sun Elect.
On 4/25/2016 9:15 PM, Allan Sindelar wrote:
Wrenche
Wrenches,
Has anyone powered a Grundfos SQ or SQE series soft-start AC
submersible pump from a modified square wave inverter?
I need to run a 1/2 hp 115V AC sub on a 1990-era Heart EMS 2800-12.
The customer likes his equipment so I'm not encouraging an inverter
upgrad
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