Well pumps and SWs revisited [RE-wrenches]

[Ray Walters]

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My experience is that the DR 2424 out surges the 4024 which out surges the 
4048 which out surges the 5548. I do sell the Sw4024 and 48, but only for 
systems that need the extra bells & whistles like auto gen start etc. For 
the money the DR series are still making people happy. I am interested in 
the SW plus, but have not tried one yet. FYI, if a load has problems with 
the mod sine wave of the DR, it usually isn't cured with the pyramid wave 
of the SW series either. The pure wave of the Exeltech or Outback FX is 
sometimes the only cure. A DR inverter and an Exeltech together are still 
cheaper than a SW4024 and offer better wave form, lower no load draw, and 
better surge. Its not the most elegant wiring solution though.

Still waiting for a better inverter,

Ray

  At 08:12 PM 10/1/2003 -0700, you wrote:
>Wow!  Ray, does your pile include the SW4048/24 as well with its
>respective/relative surge capacity?
>
>PD
>ASAP POWER!
>
>-----Original Message-----
>From: Ray Walters [mailto:remotech at taosnm.com]
>Sent: Wednesday, October 01, 2003 7:03 PM
>To: RE-wrenches at topica.com
>Subject: RE: Well pumps and SWs revisited [RE-wrenches]
>
>
>NO one has mentioned in this thread that the SW5548 is terrible at surges.
>I've been disappointed that it trips its over current switch when a lowly
>DR2424 can hang in there.( on air compressors for example) This has been
>covered on the list before.
>I've run a 2 hp pump with a T240 and DR3624 before in an emergency. It
>started and stopped flawlessly even at 350 ft and 40 psi in the pressure
>tank.
>I  put the SW5548 in the same pile as the PS series ,XTR sun tie etc. I
>won't sell em!
>
>Ray
>
>At 06:54 AM 10/1/2003 -0700, you wrote:
> >I recently installed a SQ 1/2 hp two wire and it starts flawlessly on
> >the VFX inverter I am currently running. Really does not have any surge
> >to speak of starts at low current and ramps up.  Lovely thing.
> >
> >Ezra
> >
> >-----Original Message-----
> >From: Jay Peltz, Peltz Power [mailto:jay at asis.com]
> >Sent: Tuesday, September 30, 2003 9:07 AM
> >To: RE-wrenches at topica.com
> >Subject: Re: Well pumps and SWs revisited [RE-wrenches]
> >
> >
> >Hi Ken,
> >
> >If you are looking for a pump answer then go with a Grundfos SQ pump.
> >They come in 240 and have no surge, therefor they work great especailly
> >with those 5548's.
> >
> >jay
> >
> >Peltz Power
> >----- Original Message -----
> >From: "Ken Hulet, Engineering Services Co." <esco at revolutionearth.com>
> >To: "RE wrenches topica.com" <RE-wrenches at topica.com>
> >Sent: Tuesday, September 30, 2003 5:27 AM
> >Subject: Well pumps and SWs revisited [RE-wrenches]
> >
> >
> > > I know this has been beaten to death but I got a call a year ago about
> >
> > > a potential PV install. The owner was building and so we went through
> > > some of the basics. You know, 115V well pump if possible and if not,
> > > smaller and efficient. I never hear from the guy until... months later
> >
> > > we get to put in a SW 5548 system. I'm concerned about the pump
> > > because the well pump installer laughed when our customer mentioned a
> > > 115V pump.
> > >
> > > We put in the T-240 and learned the pump is a 1.5HP, TWO wire and
> > > SURPRISE the 5548 trips on high current when the well pump calls for
> > > power. Using a Fluke clamp on I measured 29.7A inrush (100ms) on one
> > > of the 230V lines when using the generator to power the pump.
> > >
> > > Any retrofit/improvement ideas or are we looking for a new pump?
> > >
> > >
> > > Ken & Chris Hulet
> > > Engineering Services Co.
> > > P.O. Box 4
> > > Blanchardville, WI 53516
> > >
> > > 608.523.3726
> > >
> > > http://www.revolutionearth.com
>
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