{
 "schema_version": 0,
 "id": "bb:product:viessmann-vitocal-252-a-awot-e-ac-af-251-a16",
 "url": "https://bedandbot.it/p/viessmann-vitocal-252-a-awot-e-ac-af-251-a16/",
 "json": "https://bedandbot.it/p/viessmann-vitocal-252-a-awot-e-ac-af-251-a16.json",
 "manufacturer": "Viessmann",
 "model_family": "Vitocal 250-A",
 "model_code": "Vitocal 252-A AWOT-E-AC-AF 251.A16",
 "unit_type": "air-to-water monobloc",
 "refrigerant": "R290",
 "power_supply": "3x400V 50Hz",
 "values": [
  {
   "id": "bb:value:6886",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 190.0,
   "unit": "%",
   "conditions": {
    "application_c": 35,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "η s 190 % 153 %",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6876",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 153.0,
   "unit": "%",
   "conditions": {
    "application_c": 35,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "η s 153 % 127 %",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6866",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 215.0,
   "unit": "%",
   "conditions": {
    "application_c": 35,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "η s 215 % 159 %",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, warmer climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6887",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 153.0,
   "unit": "%",
   "conditions": {
    "application_c": 55,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "η s 190 % 153 %",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, average climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6877",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 127.0,
   "unit": "%",
   "conditions": {
    "application_c": 55,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "η s 153 % 127 %",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6867",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 159.0,
   "unit": "%",
   "conditions": {
    "application_c": 55,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "η s 215 % 159 %",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6888",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 13.29,
   "unit": "kW",
   "conditions": {
    "application_c": 35,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "Prated 13.29 kW 12.09 kW",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6878",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 17.13,
   "unit": "kW",
   "conditions": {
    "application_c": 35,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "Prated 17.13 kW 16.89 kW",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6868",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 7.24,
   "unit": "kW",
   "conditions": {
    "application_c": 35,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "Prated 7.24 kW 6.77 kW",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, warmer climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6889",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 12.09,
   "unit": "kW",
   "conditions": {
    "application_c": 55,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "Prated 13.29 kW 12.09 kW",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, average climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6879",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 16.89,
   "unit": "kW",
   "conditions": {
    "application_c": 55,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "Prated 17.13 kW 16.89 kW",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6869",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 6.77,
   "unit": "kW",
   "conditions": {
    "application_c": 55,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "Prated 7.24 kW 6.77 kW",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6896",
   "property": "refrigerant_charge",
   "label": "Refrigerant charge",
   "value": 2.0,
   "unit": "kg",
   "conditions": {},
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "Mass of Refrigerant 2,000 kg",
    "location": "subtype Vitocal 250-A z5, general data"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6890",
   "property": "scop",
   "label": "SCOP",
   "value": 4.85,
   "unit": "-",
   "conditions": {
    "application_c": 35,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "SCOP 4.85 3.92",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6880",
   "property": "scop",
   "label": "SCOP",
   "value": 3.9,
   "unit": "-",
   "conditions": {
    "application_c": 35,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "SCOP 3.90 3.26",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6870",
   "property": "scop",
   "label": "SCOP",
   "value": 5.46,
   "unit": "-",
   "conditions": {
    "application_c": 35,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "SCOP 5.46 4.05",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, warmer climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6891",
   "property": "scop",
   "label": "SCOP",
   "value": 3.92,
   "unit": "-",
   "conditions": {
    "application_c": 55,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "SCOP 4.85 3.92",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, average climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6881",
   "property": "scop",
   "label": "SCOP",
   "value": 3.26,
   "unit": "-",
   "conditions": {
    "application_c": 55,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "SCOP 3.90 3.26",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6871",
   "property": "scop",
   "label": "SCOP",
   "value": 4.05,
   "unit": "-",
   "conditions": {
    "application_c": 55,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "SCOP 5.46 4.05",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6892",
   "property": "tbiv",
   "label": "Bivalent temperature (Tbiv)",
   "value": -7.0,
   "unit": "°C",
   "conditions": {
    "application_c": 35,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "Tbiv -7 °C -8 °C",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6882",
   "property": "tbiv",
   "label": "Bivalent temperature (Tbiv)",
   "value": -9.0,
   "unit": "°C",
   "conditions": {
    "application_c": 35,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
    "document_date": "2024-03-11",
    "retrieved": "2026-10-03T19:43:43+00:00",
    "quote": "Tbiv -9 °C -9 °C",
    "location": "model Vitocal 252-A AWOT-E-AC-AF 251.A16, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T19:45:37+00:00"
  },
  {
   "id": "bb:value:6872",
   "property": "tbiv",
   "label": "Bivalent temperature (Tbiv)",
   "value": 2.0,
   "unit": "°C",
   "conditions": {
    "application_c": 35,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6681&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=c796eed8df8c0075782226a33aeebee5",
    "reference": "011-1W0776",
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 "conflicts": [],
 "open_questions": [
  {
   "id": "q:viessmann-vitocal-252-a-awot-e-ac-af-251-a16:cop-a7w35",
   "question": "We have no manufacturer-stated heating capacity and COP at A7/W35 (EN 14511) for this unit. If you know an official datasheet or manual from the manufacturer that states them, you can submit its URL.",
   "how_to_answer": {
    "method": "POST",
    "url": "https://bedandbot.it/api/contribute",
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     "question": "q:viessmann-vitocal-252-a-awot-e-ac-af-251-a16:cop-a7w35",
     "source_url": "https://…",
     "value": "optional, as stated in the source",
     "unit": "optional",
     "note": "optional, max 500 characters",
     "session": "optional"
    }
   },
   "what_happens": "Submissions are stored as unverified. Nothing is published until our checks find the value in the cited source. Links to new domains are reviewed by a person first."
  },
  {
   "id": "q:viessmann-vitocal-252-a-awot-e-ac-af-251-a16:max-flow-temperature",
   "question": "We have no manufacturer-stated maximum flow temperature for this unit (and the outdoor temperature down to which it is reached). If you know an official document that states it, you can submit its URL.",
   "how_to_answer": {
    "method": "POST",
    "url": "https://bedandbot.it/api/contribute",
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     "value": "optional, as stated in the source",
     "unit": "optional",
     "note": "optional, max 500 characters",
     "session": "optional"
    }
   },
   "what_happens": "Submissions are stored as unverified. Nothing is published until our checks find the value in the cited source. Links to new domains are reviewed by a person first."
  }
 ]
}