Month: November 2018

  • MAGNA 3 Q&A – Sensor Replacement?

    MAGNA 3 Q&A – Sensor Replacement?

    Question: I need to replace the external sensor on a Magna, can I repair it and how do I replace it? Answer: If the sensor (P/N 98471249) is malfunctioning, it is most likely due to being contaminated and not defective. If it was defective, it would not work as soon as the pump was installed.…

  • MAGNA 3 Q&A – Alternating Control (Lead-Lag)

    Question: Can set up Magna’s in lead-lag without the cost and labor of adding a Tekmar device? Answer: Yes. Built-in is a Grundfos proprietary wireless signal called “GenieAir” (similar to a Bluetooth frequency) that allows the pumps to communicate with each other. This is commonly used when there is no BMS and they are “stand-alone”…

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    Welcome to PumpHVAC.com, a community source for providing Grundfos pump technical information and troubleshooting solutions from Alpha 2 to the Hydro MPCE series. Based in Denmark and manufactured globally (including the US), Grundfos is the premiere manufacturer of the most technologically advanced HVAC and plumbing integrated pump packaged systems available. Their highly efficient pumps have Grundfos…