Thankfully, SCALA1 has an anti-cycling function that you can set in Grundfos GO. But if this continues for too long, it will result in cycling. If there is a tiny leakage in the system, SCALA1 will proceed to start and stop operation periodically. Leaks can for instance be caused by pipe breakage. ![]() If you set the maximum runtime function to 30 minutes, the pump will stop after 30 minutes of continuous operation and the maximum runtime alarm will appear on the operating panel.įurthermore, this alarm stops the pump from running in the event of a major leak in the system. You can set this during the pump setup in Grundfos GO, or you can activate it at a later stage. Next, there’s the maximum runtime function. However, during normal operation, this alarm will be activated just 40 seconds after the detection of no pressure and flow. If SCALA1 detects no pressure and flow within five minutes of being connected to a power supply, the alarm will be activated. However, the feature works differently during the first priming phase than it does during the operation phase. SCALA1 offers built-in dry-running protection that automatically stops the pump in the event of dry-running. Let’s take a closer look at the three alarms in question. It could mean that it is not getting water. It’s simply an indication from the pump, alerting the user that there may be an issue in the system that should be addressed.įor instance, if the dry running alarm flashes, it doesn’t necessarily mean that the pump can’t deliver water. It is worth mentioning that these alarms do not necessarily mean that there is damage to the pump. These alarms indicate if there is dry running or water shortage, if the maximum runtime has been exceeded, or if there is a leakage in the system. ![]() In this module, we will look more closely at the bottom three LED alarm icons on the operating panel. Check the non-return valves, and keep the ventilation holes free of dust.The Grundfos SCALA1 is an all-in-one pressure booster. MQ Successor requires no maintenance, but it is recommended to keep the pump clean. It is also possible to add external input control and schedule a pump operation via calendar function. With Grundfos GO, you can easily setup SCALA1 as a Twin booster system, operating as duty/stand by as well as duty/assist. The pump has a built-in motor protection that will stop the pump if exposed to excessive temperature due to high ambient temperature, in case of seizure or overload, thus preventing a motor burnout.
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