![]() They don't make any money on pumps that last 30 years. That is the exact goal of the manufacturer. ![]() But hey it only cost 600-700 bucks, so just replace it every few months when it starts acting up. There sure are lots of problems discussed in the reviews of this product for it not to even be a year old. But I don't see that symptom in any of the instructions. With other Grundfos products like the SQE, when the pressure transducer fails the pump reverts to cycling on and off as if it had a regular pressure switch. It doesn't sound like the variable speed part is working at all. I see where others who had that same problem added some air to the tank, and it seemed to help some. There is a lot of sales information on that pump, but very little on technical instructions. I am wondering if adding a pressure reducing valve to the supply side to keep the pressure at 40 (maybe even set it to 35) might resolve the issue? I do notice that sometimes my incoming pressure is 40, others its 45, sometimes even 50. Could this be caused by fluctuating incoming pressure. Anyone know what it should be set to for incoming pressure of 40 and outgoing of 70?ģ. Could it be the internal pressure tank? It is precharged at the factory to 18.5 psi. Does anyone know what causes this issue?Ģ. I have 10 more days to return it for a full refund, so if I cannot get it to work properly i will uninstall and perhaps go with a CSV type solution.ġ. But, I've got the SCALA2 installed and would like to try to make it work. I'll add that I have read the forums and understand there is some difference of opinion on VFDs and grundfos pumps. I've had 5 taps open at once all at 70psi, so when it works its pretty cool. I open another tap and it seamlessly keeps the pressure constant. ![]() I open a tap and it runs until the tap is closed. Homeowners will experience perfect water pressure in all taps, low noise and trouble-free operation.Īnd you as an installer will experience easy installation, easy set-up and, of course, happy and satisfied customers.At other times, the thing runs like a champ. In conclusion, let us have a brief overview of the benefits of SCALA2: For instance dry-running protection, which stops the pump if there is no water in the system and restarts it periodically to check if it has returned. It consists of high quality components and features a range of protective measures. Once installed, SCALA2 offers years of trouble-free operation. SCALA2 will then automatically adapt to the installation, taking inlet pressure and the number of running taps into account. To set the desired water pressure, simply use the buttons on the user-friendly control panel. It is self-priming, weighs only 22 pounds and features a compact design, which makes installation in tight working spaces possible. SCALA2 is designed with easy installation in mind. On top of this, the built-in pressure tank will reduce the number of starts and stops. The low noise level is possible thanks to water-cooling technology and a silent permanent magnet motor, which makes noisy air-cooling measures redundant. In typical use, the sound level is approximately 47 decibels, which is the same as a hushed conversation or the hum of a modern dishwasher. This happens with such speed and precision that the user will never notice any change in pressure.Īnother important benefit of the SCALA2 is its quiet operation. The key to this is intelligent pump control, which enables SCALA2 to detect any drop in water pressure and adjust operation accordingly. One of the key features of the SCALA2 is its ability to deliver perfect water pressure to all taps – even with multiple taps running at the same time. It is designed to handle all boosting needs in residential buildings with up to 3 floors and 8 taps - including boosting from city mains, boosting from tanks and boosting from shallow wells. The SCALA2 is a fully integrated water booster with pump, tank, motor, drive, sensor and non-return valve in one compact unit. This video will give you a quick introduction to its most important applications, features and benefits. The SCALA2 domestic water booster pump will make this a thing of the past and improve the comfort of homeowners. It is also quite inconvenient as it leads to poor showers, trickling taps and uncomfortable changes in the water temperature. ![]() Low or varying water pressure is very common In residential buildings.
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