Grundfos SQE controller - power use [RE-wrenches]

[bbassett at rockisland.com]

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The spec for the CU301 is 5 watts at 120 to 240VAC, whether it draws 
this always or not I don't know. Of course you'd probably have to have 
AC on always for the system to work, no sleep mode. Although I have 
found some electronic controls to stay inititialized with just sleep 
mode pulses (Rinnai water heater and remote on Outback).

Brad
AEE Solar




David Palumbo wrote:
> 
> Anyone with experience with Grundfos SQE Pumps/Controllers? I have used 
> many
> SQ pumps with standard (large) pressure tanks with good success. Now we 
> have
> an off-grid home lacking the space required for a large pressure tank. 
> The
> SQE pump with the Grundfos controller CU301 gives the homeowner a 
> constant
> pressure and only requires a small pressure tank (8" x 2').
> 
> My question. How much power does this controller use? It needs power to 
> it
> all of the time I assume. Is it 1 watt, 5w or more?
> 
> And does this controller present other unforeseen issues now, or down 
> the
> road?
> 
> Dave
> 
> 

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