Intelliflo or Whisperflo for waterfall pumps?
neednewpool
13 years ago
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mas985
13 years agopoolguynj
13 years agoRelated Discussions
Setting My Intelliflo VF Pump??
Comments (28)First thing first. Larger filter = less operating pressure on the same flow rate. Second thing. In the absence of a visible leak in your equipment pad which will cause the filter to drain back, you have a classic gravity feed. This can happen simply by design of the system. More often when the equipment pad is slightly elevated above the pool line. On the other post, yes, you don't program gpm into the filter mode of an IntelliFlo directly. It is a calculated number based of the cycle, volume and hours. You'll need to install a full flow check valve in the line between the pump and filter. Use a Pentair of Jandy model, 2.5 x 2.0 CPVC. Now the issue. You put flex line there and that is going to cause problems. The weight of that valve may overwhelm the pipe. This line should be rigid pvc and you will certainly develop a leak later if it is glued into the backwash valve. On the other post. Yes, you don't program gpm on an IntelliFlo filter mode. It is a calculated number based on cycle, volume and hours. Those numbers are not known until you have your desired gpm and the final operating flow is + - a gpm or 2. The FEATURES do account for total daily volume but not 1 or 2....See MoreRelative power of Intelliflo and Whisperflo
Comments (3)If you need only occasional waterfall to add oxygen to this thing (I assume), the VF3050 is actually a better deal. 24 hour run is going to be insane on any pump. The VF3050 is actually a better deal as you can set it to run whatever speed you want (less than a two speed). I suggest this over the VS3050 you mentioned as the VF has the modulated output flow option. This would allow you to run the very low speed and at programmed intervals, it will crank up to whatever speed you want for a specific time and then drop back down to low flow. I've put a few of them on ponds and they save tons compared to standard pumps. Two speeds usually do not have the flow requirement on low that people need in these applications....See MoreReplacing Whisperflo with Intelliflo...
Comments (13)"The full load amps should be observed on the rating plate, otherwise you will be replacing motors frequently." I disagree with this statement. "Full Load Amps" on the label simply specifies what the current draw is when the motor is loaded to the labeled horse power. Pumps are designed to load the motor to the service factor HP and not the labeled HP. "Service Factor Amps" or sometimes labeled as "Max Amps" is the current draw when the motor is loaded to the service factor HP. On the WFE-3, the "Full Load Amps" is specified as 5.6a@230v OR 6.0a@208v which is around 1250 Watts. This motor actually draws 1700 watts in this pump application so you can see that the label is simply a reference and not what the motor will draw in a pump application. 'There is a peak efficiency point with all pumps, they used to publish this. " There are several types of efficiency when discussing pumps. First there is the electrical efficiency of the motor. This can be expressed as the ratio of the shaft HP to the electrical input HP. The WFE-3 has a published electrical efficiency of 68.7%. The total efficiency of the pump is related to the how much energy is delivered to the water (pumping HP) compared to the amount of energy input to the motor (input HP). This is expressed as Total Pump Efficiency = Pumping HP / Input HP Pumping HP = Head * GPM / 3960 Input HP = Input Kw * 1.341 Total Pump Efficiency = Head * GPM / 3960 / (Input Kw * 1.341) This is dependent upon the head curve operating point and has peak efficiency slightly to the right of the middle of the head curve. This point is typically referenced as the "Best Efficiency Point" or BEP and where the pumping efficiency is maximized. However in swimming pool applications, it is desireablye to have the highest GPM for least amount of Watts. So this is why the California Energy Commission has chosen to use GPM/Watt as the primary metric of rating pump efficiency instead of BEP. From an energy use perspective, GPM/Watt is more important than BEP. I agree that the motor will use more energy and run hotter the further to the right on the head curve and you really don't want to operate all the way to the right. However, the pump is designed to work in the region of the published head curve without a significant reduction in pump life. So as long as you stay within the head curve, the pump should be fine....See MoreIntelliflo VF, Intellitouch I5, pump on/off continuously
Comments (7)Thank you lin for that report, tending to confirm my suspicion that the typical vastly complex ultra-modern multi-speed semiconductor power-switching externally microelectronic-programmed variable-flow pump so touted by the "experts" might not be overkill Thuys i f you had to start over might you simply have chosen a one-speed 200-w pump, depending on your existing timer to turn it on and off Why does the Establishment consider us pool owners wealthy The smaller pump of course would also have represented a saving not only of initial price but also in terms of long-haul service and reliability, especially if you live in an environmentally unfriendly site as I do in California's Mojave Desert Incidentally I was pleased to learn of your saving as well as the noise reduction but surprised to learn that you found skimming still satisfactory. At present I use a 1 hp pump but skimming is barely adequate in the hot months when the solar cover is off 3 hours a day--especially when the wind has shifted away from the skimmer port Of course given a VF like yours with a choice of flow rates I could run it like yours at high speed for a couple of hours a day but then I'd achieve very little if any saving on electricity. Notwithstanding such gain I don't look forward to the idea of manually skimming before each plunge Thanks again for your report...See Morejust-a-pb
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