Viessmann AQUAHOME 20-N User Manual (English)

Questions and Answers:

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Rebecca PierceJul 27, 2025
Why is my Viessmann AQUAHOME 20-N Water Dispenser periodically dispensing hard water?
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  Mary RodriguezJul 27, 2025
  If your Viessmann Water Dispenser is periodically dispensing hard water, there might be several reasons: 1. The hour might be set incorrectly. In this case, reset the hour to the correct one. 2. The programmed raw water hardness might be too low. Determine the actual water hardness and program the correct value into the system. 3. Soft water might be fed during the regeneration process. Avoid this situation by checking the control panel settings for correctness. 4. There might be non-controlled water leakage, leading to excessive water consumption. Inspect all water intake points and eliminate any water leakages.
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Suzanne CooperAug 6, 2025
What to do if Viessmann AQUAHOME 20-N Water Dispenser supplies water that is too hard?
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  bwilliamsAug 6, 2025
  If your Viessmann Water Dispenser's water softener supplies water that is too hard or entirely unsoftened, here's what you can check: * **No salt in the tank:** Refill the salt and activate manual regeneration. * **No power supply:** Restore the power supply, check the displayed time, and activate manual regeneration. * **Occluded outflow of sewage from the valve:** Restore patency of washings discharge hose.
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Melissa ChambersAug 15, 2025
Why does the salt level remain unchanged in my Viessmann Water Dispenser?
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  Hannah AyersAug 16, 2025
  If the salt level in your Viessmann Water Dispenser remains unchanged, despite the water softener supplying water, it could be due to: * A salt bridge formed in the brine tank. If this is the case, remove the salt bridge. * The by-pass valve being in the by-pass position. To resolve this, set the by-pass valve to the service position.