Closed loop pumps controlled by Profilux

[dawatson69]

Hi all,

I have recently purchased the Profilux 3EX Megapack system, and my intention was to use it to control my 2 closed loop pumps instead of using bulky, unsightly and unreliable timers.
I am using 2x PanWorld 125PS pumps and was having a lot of trouble trying to get my head around setting this up.
My intentions is to run 1 pump for 6hrs then swap over to the second pump for 6hrs, then back to pump 1 and so on.
I spoke to my LFS that I bought the gear thru' and they told me that the powerbars were designed for variable speed pumps only that operate off a smaller voltage, and not the 240v (yes, I am in Australia) magnetic?? pumps that I have. LFS said that the pumps could be run off powerbar but would soon burn either the powerbar or the pump out.
Can anybody shed any light on this, and maybe if you could be so kind and explain to me how to set it up.

Dave

 

[BigAl2007]

Dave I believe your LFS is slightly mistaken. The only problem I can forsee is if your pumps happen to be High Amp units and you're running them with other High Amp devices (MH ballasts etc). If that's the case I'd suggest you get the 2-Outlet 15AMP bar for your highest amp devices. Otherwise I've never heard of anyone having "Powerbar" or other issues running magnetic pumps from the powerbar. I ran a Mag18 from mine for 2 years with no troubles at all.

Re: Setup - I'm at work and don't have my notes with me but in the CIRCULATION PUMP set up I have one pump on CIRC1 and one on CIRC2 (I'm going from old memory here to don't freak if the exact term is slightly different). I had one side (CIRC1) set to run opposite of the other (CIRC2). It's in the PUMPS section I just can't be too specific from memory.

 

[luisagos]

I am assuming you brought 220v powerbars? I know they make different powerbars for different counties.

Nevertheless, 220v pump motor will draw 50% less amp draw then a 120v motor would.

 

[Antipodes]

Hi all,
My intentions is to run 1 pump for 6hrs then swap over to the second pump for 6hrs, then back to pump 1 and so on.
Dave

Gedday Dave, I am in NZ and what you are suggesting is no problem for the profilux! (As stated by the other comments to this thread) The pumps themselves are not designed for constant ON OFF switching, but six hours apart should be no problem at all.
As luisagos says the current draw, including initial surge current will be no problem at all for the power bar.

luisagos. In NZ and Australia the mains voltage is 240v 50Hz and when using 3 phase we can get 450V for large machinery. Like you say this means considerably less current draw, but more likely to get insulation breakdown and possible shock. (So we only have one power bar available here, max 10 amp draw on any household socket)

I am away from my system (In China), So off the top of my head you could use something like pumps setup with sequence and tide timing off 6 hours.

Actually just reading the programming guide for the profilux which says you can select 1 sec to 6 hours, but does warn about not switching to often as can damage the powerbar or pumps if low selection made. (Which I would agree with). Six hours will be no problem at all.
My cooling system is switched on and off about every ten minutes by the profilux, without problems.

 

[dawatson69]

Thanks for the replies.
I have now been running my 2 pumps at 6 our intervals for about a month with no problems.