Outback 3048 with turbo [RE-wrenches]

[Ray Walters]

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Travis, I second your best surge inverter pick: a DR3624 can reliably  
start a conventional 2 Hp well pump.
As far as Outbacks go, I've got 2 different installations with VFX  
pairs (one is 3648, one is 3524s) both running 3 Hp conventional well  
pumps (full surge, not Grundfos). We have good luck with the  
Outbacks, IMHO, an Outback VFX would out surge an SW4048, 0r SW5548,  
and it would be a close call compared to an SW4024. The SW+s seem to  
have good surge capability (better than SW48v) too.
BTW, I just tested a Magnum 612 that was rated for 1100 watts for 1  
sec., we measured a sustained 1500 watts for close to a minute. I'm  
initially  impressed.

R. Walters
Solarray.com
NABCEP # 04170442	



On May 5, 2007, at 1:26 PM, Travis Creswell wrote:

>
> 3hp motor or 3hp pump?  Could be a big difference.  My portable air
> compressor is rated at 3hp "Peak" (yeah right) and any real  
> inverter will
> start it every time.  Of course it's not really a 3hp motor, it  
> plugs into a
> 120v 15 amp circuit.  For what it's worth this same compressor  
> makes our
> Yamaha 2800 watt inverter generator fall on flat on its face.
>
> We've got a 2hp well pump set at 700' with a dual stack of 3648's  
> and they
> barely grunt when it turns on.
>
> The best surging inverter around that I've ever seen (don't laugh)  
> is the
> DR3624.  We hook one up to 8D gel batteries and run a pretty stout MIG
> welder out in the field with it.
>
> Also I believe "turbo" does not increase the surge rating only the
> continuous.
>
> Best,
> Travis Creswell
> Ozark Energy Services
>
> -----Original Message-----
> From: Todd Cory, Mt. Shasta Energy Services
> [mailto:toddcory at finestplanet.com]
> Sent: Saturday, May 05, 2007 1:57 PM
> To: RE-wrenches at topica.com
> Subject: RE: Outback 3048 with turbo [RE-wrenches]
>
>
> Kieth,
>
> I have an off grid VFX3648 out in the field and the customer  
> reports it
> occasionally faults starting their 1 HP well pump, so I feel this is
> pushing the limit of the inverter. There is NO WAY a single (or even
> stacked double) inverter will start a 3 HP well pump unless it is a no
> surge pump like Grundfos makes.
>
> Todd
>
>
> Keith Cronin wrote:
>
>> Hello
>>
>>
>>
>> What is the best method for addressing the challenge of starting a  
>> 3hp
>> motor
>> with an outback 3048?
>>
>>
>>
>> The specs say it can handle 70 amps peak ac for 1msec and 50 amps  
>> surge
>> RMS
>> for 100msec
>>
>>
>>
>> What is the biggest motor you folks have started and kept running  
>> with
>> an
>> OB3048 with turbo?
>>
>>
>>
>> Anyone want to chime in would be appreciated.
>>
>>
>>
>>
>
>
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> 10:34 AM
>
>
>
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