{
 "schema_version": 0,
 "id": "bb:product:viessmann-vitocal-252-a-awot-m-e-ac-af-251-a06-2c",
 "url": "https://bedandbot.it/p/viessmann-vitocal-252-a-awot-m-e-ac-af-251-a06-2c/",
 "json": "https://bedandbot.it/p/viessmann-vitocal-252-a-awot-m-e-ac-af-251-a06-2c.json",
 "manufacturer": "Viessmann",
 "model_family": "Vitocal 250-A",
 "model_code": "Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C",
 "unit_type": "air-to-water monobloc",
 "refrigerant": "R290",
 "power_supply": "1x230V 50Hz",
 "outdoor_unit": "Vitocal 251.A06",
 "values": [
  {
   "id": "bb:value:19799",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 183.0,
   "unit": "%",
   "conditions": {
    "application_c": 35,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "η s 183 % 141 %",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19789",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 152.0,
   "unit": "%",
   "conditions": {
    "application_c": 35,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "η s 152 % 120 %",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19779",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 226.0,
   "unit": "%",
   "conditions": {
    "application_c": 35,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "η s 226 % 154 %",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, warmer climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19800",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 141.0,
   "unit": "%",
   "conditions": {
    "application_c": 55,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "η s 183 % 141 %",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, average climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19790",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 120.0,
   "unit": "%",
   "conditions": {
    "application_c": 55,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "η s 152 % 120 %",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19780",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 154.0,
   "unit": "%",
   "conditions": {
    "application_c": 55,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "η s 226 % 154 %",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19801",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 5.41,
   "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=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "Prated 5.41 kW 5.11 kW",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19791",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 6.47,
   "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=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "Prated 6.47 kW 6.67 kW",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19781",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 2.75,
   "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=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "Prated 2.75 kW 2.37 kW",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, warmer climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19802",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 5.11,
   "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=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "Prated 5.41 kW 5.11 kW",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, average climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19792",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 6.67,
   "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=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "Prated 6.47 kW 6.67 kW",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19782",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 2.37,
   "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=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "Prated 2.75 kW 2.37 kW",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19809",
   "property": "refrigerant_charge",
   "label": "Refrigerant charge",
   "value": 1.2,
   "unit": "kg",
   "conditions": {},
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "Mass of Refrigerant 1,200 kg",
    "location": "subtype Vitocal x50-A z2, general data"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19803",
   "property": "scop",
   "label": "SCOP",
   "value": 4.71,
   "unit": "-",
   "conditions": {
    "application_c": 35,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "SCOP 4.71 3.65",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19793",
   "property": "scop",
   "label": "SCOP",
   "value": 3.88,
   "unit": "-",
   "conditions": {
    "application_c": 35,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "SCOP 3.88 3.08",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19783",
   "property": "scop",
   "label": "SCOP",
   "value": 5.72,
   "unit": "-",
   "conditions": {
    "application_c": 35,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "SCOP 5.72 3.93",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, warmer climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19804",
   "property": "scop",
   "label": "SCOP",
   "value": 3.65,
   "unit": "-",
   "conditions": {
    "application_c": 55,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "SCOP 4.71 3.65",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, average climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19794",
   "property": "scop",
   "label": "SCOP",
   "value": 3.08,
   "unit": "-",
   "conditions": {
    "application_c": 55,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "SCOP 3.88 3.08",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19784",
   "property": "scop",
   "label": "SCOP",
   "value": 3.93,
   "unit": "-",
   "conditions": {
    "application_c": 55,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "SCOP 5.72 3.93",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19805",
   "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=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "Tbiv -7 °C -7 °C",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19795",
   "property": "tbiv",
   "label": "Bivalent temperature (Tbiv)",
   "value": -10.0,
   "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=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "Tbiv -10 °C -9 °C",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19785",
   "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=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "Tbiv 2 °C 2 °C",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, warmer climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19806",
   "property": "tbiv",
   "label": "Bivalent temperature (Tbiv)",
   "value": -7.0,
   "unit": "°C",
   "conditions": {
    "application_c": 55,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "Tbiv -7 °C -7 °C",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, average climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19796",
   "property": "tbiv",
   "label": "Bivalent temperature (Tbiv)",
   "value": -9.0,
   "unit": "°C",
   "conditions": {
    "application_c": 55,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "Tbiv -10 °C -9 °C",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19786",
   "property": "tbiv",
   "label": "Bivalent temperature (Tbiv)",
   "value": 2.0,
   "unit": "°C",
   "conditions": {
    "application_c": 55,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "Tbiv 2 °C 2 °C",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19807",
   "property": "tol",
   "label": "Operation limit temperature (TOL)",
   "value": -10.0,
   "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=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "TOL -10 °C -10 °C",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19797",
   "property": "tol",
   "label": "Operation limit temperature (TOL)",
   "value": -20.0,
   "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=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "TOL -20 °C -20 °C",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19787",
   "property": "tol",
   "label": "Operation limit temperature (TOL)",
   "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=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "TOL 2 °C 2 °C",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, warmer climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19808",
   "property": "tol",
   "label": "Operation limit temperature (TOL)",
   "value": -10.0,
   "unit": "°C",
   "conditions": {
    "application_c": 55,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "TOL -10 °C -10 °C",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, average climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19798",
   "property": "tol",
   "label": "Operation limit temperature (TOL)",
   "value": -20.0,
   "unit": "°C",
   "conditions": {
    "application_c": 55,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "TOL -20 °C -20 °C",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:19788",
   "property": "tol",
   "label": "Operation limit temperature (TOL)",
   "value": 2.0,
   "unit": "°C",
   "conditions": {
    "application_c": 55,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6973&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=69987037ea076f6fd3bf68cc3d502009",
    "reference": "011-1W0590",
    "document_date": "2023-03-30",
    "retrieved": "2026-10-03T19:44:38+00:00",
    "quote": "TOL 2 °C 2 °C",
    "location": "model Vitocal 252-A AWOT-M-E-AC-AF 251.A06 2C, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  }
 ],
 "conflicts": [],
 "open_questions": [
  {
   "id": "q:viessmann-vitocal-252-a-awot-m-e-ac-af-251-a06-2c: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",
    "content_type": "application/json",
    "body": {
     "question": "q:viessmann-vitocal-252-a-awot-m-e-ac-af-251-a06-2c: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-m-e-ac-af-251-a06-2c: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",
    "content_type": "application/json",
    "body": {
     "question": "q:viessmann-vitocal-252-a-awot-m-e-ac-af-251-a06-2c:max-flow-temperature",
     "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."
  }
 ]
}