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Wow. Well thank you. Sure can't say this has been a great experience so far.

Really? The robot or the power supply? Or both?

Hi All, On the advice of many here, when my barely 3 year old Polaris Quattro Sport broke yet again this month, I called up Marina pools and ordered a new robotic Dolphin unit, specifically the M600. So far, it's really been a bad showing. Power supply booted up, got the app installed, linked...

I really haven't been able to find this exact issue in my searches, apologize if it is out there, but I'm having issues with a 2 year old Polaris Quattro Sport. The past month or so it constantly wants to drive to the deep end, and won't drive out of the deep end. That is the furthest point...

The pressure on the filter doesn’t change when flow changes. I actually have not loaded any DE material since opening the pool a week and a half ago, and believe it’s all cleared off the filters. I will do some more testing to see if air is coming from drain or skimmers.

Yea I didn’t think it should cause that much issue. Ugh. Question - at full speed my pump basket completely fills with water. And after some run time, the flow rate will increase - when I first turn it on I see about 62 gpm and a few hours later will see 70-73. At lower speeds, like 2000...

It’s a 2” pipe, only part of the main floor that is that small - I replumbed the filter outlet side to 3” last fall. I think it looks small because everything else is 3”. I’ll just go ahead and replumb it. The valve I guess was installed by plumbers to have a filter bypass but was never really...

Swapped gauges on filter. New one reads maybe 1-2 psi higher. So, small discrepancy there. I feel like I’ve checked everything…

Well, I took that section of pipe out from the unions and scoped. It’s perfectly clear. Took apart the new pump and the impeller is completely clear, although I see a little damage to a black housing in the wet end of the pump. Next I’ll swap the filter gauges to double check that pressure...

Thank you. Have been doing similar analysis and came to the same conclusion. I am utterly stumped. It is just a single pipe and dumb valve between the pump and filter. I am at a loss.

Ok, so I hooked up a vacuum/pressure gauge to the two drain ports on the filter pump. In the furtherest forward port, near the suction entrance, I read -4 inHg. In the next port, I am actually off the scale of the gauge I had, but it seems to confirm the 39 psi that the pump controller reports...

Going to get a suction gauge to check these. And yes, the filter gauge drops to 0 when the pump is off.

Yes I did. Seemingly all clear. And yes, have valves wide open.

So I did some scoping with my camera scope - I see zero signs of blockage in any of the valves leading to the pump, or the leaf vac and its plumbing. 39 PSI holds constant where suction is coming from skimmers, pool drain, spa drain, or any combination of those. Sure does point to the leafVac...

That would logically make sense. I clean it out every day or two basically. Any thoughts of what to look for for defects? Going to run a couple tests this afternoon checking that pump psi readout by switching from pool drain, to skimmers, to spa drain. If all are the same, that almost...

Well that certainly helps, to narrow it down to a suction issue. I just don't quite understand, because it happens regardless of whether I pull from Skimmers, Main Drain, or combination. Schematic here. Yes, I know it's absurdly complicated. On the closed valve, I took the picture right...

Ok, so a few updates. After allowing the new pump to run overnight, I can now see speeds up to 70-72 GPM, which I don't believe I've ever seen before. It appears that after running for awhile, flows go up - maybe air working its way out of the system? At full speed, the pump basket does...

Ok so, I had a chance to swap the pumps to the one next to it. There might have been the slighted improvement. At 3450 RPM, new pump is running 60 GPM to in floor at 21 PSI filter pressure. —- Is this low like you were indicating before? At 2000 RPM, 42 GPM. At 1600 RPM, 30 GPM. I have...

Suction piping (150 ft) @ 100 GPM in (4” equiv) pipe - ~2.5 ft Return piping (150 ft) @ 100 GPM in (5” equiv) pipe - ~ 1 ft Filter @ 100 GPM - 10 ft Heat Pump (Raypak 8450) @ 30 GPM - 21 ft Gas Heater (Raypak 406A) @ 30 GPM - 4 ft So, at 100 GPM that’s 38.5 ft of head. Add a couple for...

I have opened up the pump before to look for anything major but will give it another go and just swap the pumps. Shouldn’t be too hard. I have one other VSF and two other VSs. And yes, that lines up with my head calculations. I believed I was in the 50-60 ft range when adding up everything, so...

Hi Jim, I actually don’t have a MPV, I have my pump plumbed in straight to the filter.

Using the VSFs calculation, which I understand is not perfect, but I can also very much see that I don’t have the flow my IFCS was specd for. A&A called for 84 GPM and saw no issue with that pump and a 3” line. Total plumbing length is about 60 ft to drain.

At full speed with a clean filter I’m sitting around 25 psi pushing flow through either the IFCS or the pool returns. That jumps to 30ish going to the spa jets, but that’s kind of expected. I would have thought my system was a low head loss system for the standard pool returns. I’ve added up...

Thank you, appreciate the thoughts. I will post some pictures later when I get home. Yes, I believe my in floor adds head, but I don’t see any noticeable flow difference whether I have water going through it or not. Agree with you that it’s something out of the norm - Given that it happens...

Hi All, I started a similar discussion 2 years back, but since I've done more investigation and am hoping for a little more help if possible. Completed my pool in early 2020, it's my second one. I have a pretty complicated setup, and I'm struggling substantially with my primary pump, an...

Hi all, Im on my second season of a new pool and seem to be having trouble with my IC60 Intellichlor keeping up. It’s about a 35k gallon pool. Every single time I test the FC level, its 0. I have the IC60 running at 100% for 18 hours a day. My CYA is around 45. I’m adding 1-2 gallons of bleach...

I’ll try and figure out how to best do that, don’t have a lot of room. Thank you. I took a look at spa pump next to it, which is pretty simple with few valves - shows 37 psi at full speed - and about 90 GPM.

So is the pump in theory calculating vacuum pressure? I ripped apart the pump yesterday and didn’t see any signs the impeller was clogged up. On suction side, I’ve checked every valve for a blockage, and I get the same results whether I pull from skimmers or either pool or spa main drain - so I...

That strainer is an A&A LeafSkim which is part of the in floor to catch larger volumes of debris before the pump. They’re clear, I clear them every day or two.

Took a bunch of measurements and pictures: In normal operation, my heater/Chlorinator bypass is set to send the minimum through the heaters for them to trigger flow (same with chlorinator). Now, one issue is that those are tied together so I have to send water through the heaters to chlorinate...