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

[Brad Bassett]

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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