Grundfos SQFlex with 3000' to float switch [RE-wrenches]

[Brad Bassett]

Eric,

The official recommendation from Grundfos is #12 wire even at 3000 ft 
length. Or use the pressure switch setup. Let us know what you use and 
how it works out. Thanks

Brad


Brad Bassett wrote:
> 
> Eric,
> 
> Yes you can increase the distance to the float switch by increasing the 
> wire size. The 330ft limit is assuming the same wire size as the float 
> switch is made with. If it is assumed that the float switch uses # 18 
> wire, then to get the same voltage drop over 3000 ft you would have to 
> use # 8 wire. It may be that smaller wire would work, but am not sure. I 
> 
> will try to get further info from Grundfos.
> 
> Brad
> 
> 
> erics wrote:
> > 
> > I have a customer that wants to use a Grundfos 6 SQF-2 to pump from one
> > storage tank about 3000' and up 250' to another storage tank.
> > My question is about the distance and a float switch conductor.
> > Grundfos' CU200 float controller can only have a max. of 330' between
> > float to controller.  Anyone done this for 3000'?  Can I increase wire
> > size?
> 
> > 

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