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Viessmann · Heat pumps · Viessmann Vitocal 250-A (One Base, monobloc)

F.548Lead break, flow temperature sensor, heating/cooling circuit 4 with mixer

Name in the manufacturer's documentation (service manual): Lead break, flow temperature sensor, heating/cooling circuit 4 with mixer[1]

This page only quotes the original English documentation. A plain-language explanation has not been written yet, so the page is not indexed by search engines.

The Polish page has more detail (plain-language explanation, safe checks, guides): Read in Polish →

Sources

Every statement has a footnote to the document and PDF page. “Quote verified” means the quote was found automatically in the text of that page.

  1. [1] Viessmann – Service instructions: System configuration and diagnosis for heat pumps with Viessmann One Base (6194799 GB, 3/2022) (6194799 GB (3/2022)) , p. 57 manufacturer document – copy from a distributor quote verified F.548
  2. [2] Viessmann – Service instructions: System configuration and diagnosis for heat pumps with Viessmann One Base (6194799 GB, 3/2022) (6194799 GB (3/2022)) , p. 57 manufacturer document – copy from a distributor quote verified Lead break, flow tempera- ture sensor, heating/cool- ing circuit 4 with mixer Or Wrong setting during com- missioning
  3. [3] Viessmann – Service instructions: System configuration and diagnosis for heat pumps with Viessmann One Base (6194799 GB, 3/2022) (6194799 GB (3/2022)) , p. 57 manufacturer document – copy from a distributor quote verified Check the settings in the
  4. [4] Viessmann – Service instructions: System configuration and diagnosis for heat pumps with Viessmann One Base (6194799 GB, 3/2022) (6194799 GB (3/2022)) , p. 57 manufacturer document – copy from a distributor quote verified Adjust set- tings if required
  5. [5] Viessmann – Service instructions: System configuration and diagnosis for heat pumps with Viessmann One Base (6194799 GB, 3/2022) (6194799 GB (3/2022)) , p. 57 manufacturer document – copy from a distributor quote verified Check setting of rotary switch on ADIO electronics module
  6. [6] Viessmann – Service instructions: System configuration and diagnosis for heat pumps with Viessmann One Base (6194799 GB, 3/2022) (6194799 GB (3/2022)) , p. 57 manufacturer document – copy from a distributor quote verified Check flow temperature sensor in heating/cooling circuit 4
  7. [7] Viessmann – Service instructions: System configuration and diagnosis for heat pumps with Viessmann One Base (6194799 GB, 3/2022) (6194799 GB (3/2022)) , p. 57 manufacturer document – copy from a distributor quote verified Check resistance value (NTC 10 kΩ) at the sensor input on ADIO electronics module
  8. [8] Viessmann – Service instructions: System configuration and diagnosis for heat pumps with Viessmann One Base (6194799 GB, 3/2022) (6194799 GB (3/2022)) , p. 57 manufacturer document – copy from a distributor quote verified Re- place sensor if necessary
  9. [9] Viessmann – Service instructions: System configuration and diagnosis for heat pumps with Viessmann One Base (6194799 GB, 3/2022) (6194799 GB (3/2022)) , p. 57 manufacturer document – copy from a distributor quote verified Mixer closes. Heating circuit pump is operational