Recent content by Hey Siri

  1. Hey Siri

    Navien NPE External Recirculation Confusion

    Thanks Bannerman for the explanation!
  2. Hey Siri

    Navien NPE External Recirculation Confusion

    Ok, thanks, good to know. Next question, also due to bad technical writing: what does 'pump exercise' actually do? I have a hot button installed, so recirc only happens when the button is pushed, but something noisy is happening in the middle of the night at ~2 or 3 hour intervals. Possibly...
  3. Hey Siri

    Navien NPE External Recirculation Confusion

    The Navien NPE-210A2 installer manual (under 'External Recirculation', (p 84) says: "A2-type models must be set to use an external pump". Is this right? The A2 models have an internal pump, I'm set up to use external recirculation with a hot button, and it does seem to be working, so what...
  4. Hey Siri

    Controling Navien NPE internal recirculation pump

    Trying to hook up a wireless Hot Button to my new NPE-210A2. I tested the switch before hooking it up … works as advertised (see illustration, top). Then I hooked it up to the Hot Button board (see illustration, middle). Doesn't work — +12V is being constantly supplied to the signal terminal...
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