[RE-wrenches] Lorentz Sub Pump

[David Katz]

Allan,
Are you running 100+ volts DC through a Square D breaker?  They are not 
rated for anything above 48VDC.  Midnite Solar makes a manual transfer 
switch that can be fitted with 150 VDC breakers.  That may be a better 
choice.
David
 

David Katz

Chief Technical Officer

AEE Solar

1155 Redway Drive

P.O. Box 339

Redway, CA  95560

Tel (707) 825-1200

Fax (707) 825-1202

dkatz at aeesolar.com <mailto:david at aeesolar.com>

www.aeesolar.com <http://www.aeesolar.com/>

 

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Kent Osterberg wrote:
> Allan,
>
> Here the electrical inspector won't let us install the CU-200 or other 
> SQFlex controls because they are not UL listed.  The pump is not 
> listed either, but he doesn't object to that.  So I've installed the 
> SQFlex pumps using a pair of SQ D QO breakers with interlock kit so 
> they can be run on a generator or solar system.  To turn them off, a 
> 2-gallon pressure tank with pressure switch (adjusted to operate at 10 
> psi) works great if the PV array is near the pumping system. 
>
> Kent Osterberg
> Blue Mountain Solar, Inc.
>
>
>
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