{
 "schema_version": 0,
 "id": "bb:product:viessmann-vitocal-252-a-awot-e-ac-251-a13",
 "url": "https://bedandbot.it/p/viessmann-vitocal-252-a-awot-e-ac-251-a13/",
 "json": "https://bedandbot.it/p/viessmann-vitocal-252-a-awot-e-ac-251-a13.json",
 "manufacturer": "Viessmann",
 "model_family": "Vitocal 250-A",
 "model_code": "Vitocal 252-A AWOT-E-AC 251.A13",
 "unit_type": "air-to-water monobloc",
 "refrigerant": "R290",
 "power_supply": "3x400V 50Hz",
 "values": [
  {
   "id": "bb:value:13039",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 195.0,
   "unit": "%",
   "conditions": {
    "application_c": 35,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "η s 195 % 154 %",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13029",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 148.0,
   "unit": "%",
   "conditions": {
    "application_c": 35,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "η s 148 % 122 %",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13019",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 238.0,
   "unit": "%",
   "conditions": {
    "application_c": 35,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "η s 238 % 179 %",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, warmer climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13040",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 154.0,
   "unit": "%",
   "conditions": {
    "application_c": 55,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "η s 195 % 154 %",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, average climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13030",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 122.0,
   "unit": "%",
   "conditions": {
    "application_c": 55,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "η s 148 % 122 %",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13020",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 179.0,
   "unit": "%",
   "conditions": {
    "application_c": 55,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "η s 238 % 179 %",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13041",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 12.42,
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "Prated 12.42 kW 12.10 kW",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13031",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 10.8,
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "Prated 10.80 kW 10.35 kW",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13021",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 6.68,
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "Prated 6.68 kW 6.62 kW",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, warmer climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13042",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 12.1,
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "Prated 12.42 kW 12.10 kW",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, average climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13032",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 10.35,
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "Prated 10.80 kW 10.35 kW",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13022",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 6.62,
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "Prated 6.68 kW 6.62 kW",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13049",
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "Mass of Refrigerant 2,000 kg",
    "location": "subtype Vitocal x50-A z4, general data"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13043",
   "property": "scop",
   "label": "SCOP",
   "value": 4.96,
   "unit": "-",
   "conditions": {
    "application_c": 35,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "SCOP 4.96 3.93",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13033",
   "property": "scop",
   "label": "SCOP",
   "value": 3.79,
   "unit": "-",
   "conditions": {
    "application_c": 35,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "SCOP 3.79 3.14",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13023",
   "property": "scop",
   "label": "SCOP",
   "value": 6.03,
   "unit": "-",
   "conditions": {
    "application_c": 35,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "SCOP 6.03 4.55",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, warmer climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13044",
   "property": "scop",
   "label": "SCOP",
   "value": 3.93,
   "unit": "-",
   "conditions": {
    "application_c": 55,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "SCOP 4.96 3.93",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, average climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13034",
   "property": "scop",
   "label": "SCOP",
   "value": 3.14,
   "unit": "-",
   "conditions": {
    "application_c": 55,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "SCOP 3.79 3.14",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13024",
   "property": "scop",
   "label": "SCOP",
   "value": 4.55,
   "unit": "-",
   "conditions": {
    "application_c": 55,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "SCOP 6.03 4.55",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13045",
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "Tbiv -7 °C -7 °C",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13035",
   "property": "tbiv",
   "label": "Bivalent temperature (Tbiv)",
   "value": -15.0,
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "Tbiv -15 °C -15 °C",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13025",
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "Tbiv 2 °C 2 °C",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, warmer climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13046",
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "Tbiv -7 °C -7 °C",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, average climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13036",
   "property": "tbiv",
   "label": "Bivalent temperature (Tbiv)",
   "value": -15.0,
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "Tbiv -15 °C -15 °C",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13026",
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "Tbiv 2 °C 2 °C",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13047",
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "TOL -10 °C -10 °C",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13037",
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "TOL -20 °C -20 °C",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13027",
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "TOL 2 °C 2 °C",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, warmer climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13048",
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "TOL -10 °C -10 °C",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, average climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13038",
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "TOL -20 °C -20 °C",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  },
  {
   "id": "bb:value:13028",
   "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=6377&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=82bb0bc94f414b369fa11f7fddaa9cbe",
    "reference": "011-1W0465",
    "document_date": "2021-12-15",
    "retrieved": "2026-10-03T19:45:36+00:00",
    "quote": "TOL 2 °C 2 °C",
    "location": "model Vitocal 252-A AWOT-E-AC 251.A13, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T03:17:08+00:00"
  }
 ],
 "conflicts": [],
 "open_questions": [
  {
   "id": "q:viessmann-vitocal-252-a-awot-e-ac-251-a13: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-e-ac-251-a13: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-251-a13: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-e-ac-251-a13: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."
  }
 ]
}