{
  "name": "Pompe à chaleur air-eau R410A - A7/W35",
  "description": "Pompe à chaleur air-eau Eurovent A7/W35 avec R410A",
  
  "fluid": "R410A",
  
  "circuits": [
    {
      "id": 0,
      "name": "Circuit réfrigérant R410A",
      "components": [
        {
          "type": "Compressor",
          "name": "comp",
          "fluid": "R410A",
          "speed_rpm": 2900,
          "displacement_m3": 0.000025,
          "efficiency": 0.82,
          "m1": 0.88, "m2": 2.2,
          "m3": 450, "m4": 1400, "m5": -2.0, "m6": 1.5,
          "m7": 550, "m8": 1500, "m9": -2.5, "m10": 1.8
        },
        {
          "type": "Condenser",
          "name": "condenser",
          "ua": 4500
        },
        {
          "type": "ExpansionValve",
          "name": "exv",
          "fluid": "R410A",
          "opening": 1.0
        },
        {
          "type": "HeatExchanger",
          "name": "evaporator",
          "ua": 6000,
          "hot_fluid": "Air",
          "hot_t_inlet_c": 7,
          "hot_pressure_bar": 1.01,
          "hot_mass_flow_kg_s": 0.8,
          "cold_fluid": "R410A",
          "cold_t_inlet_c": 0,
          "cold_pressure_bar": 7,
          "cold_mass_flow_kg_s": 0.04
        }
      ],
      "edges": [
        { "from": "comp:outlet", "to": "condenser:inlet" },
        { "from": "condenser:outlet", "to": "exv:inlet" },
        { "from": "exv:outlet", "to": "evaporator:inlet" },
        { "from": "evaporator:outlet", "to": "comp:inlet" }
      ]
    },
    {
      "id": 1,
      "name": "Circuit eau chauffage",
      "components": [
        {
          "type": "Pump",
          "name": "pump"
        },
        {
          "type": "Pump",
          "name": "radiators"
        }
      ],
      "edges": [
        { "from": "pump:outlet", "to": "radiators:inlet" },
        { "from": "radiators:outlet", "to": "pump:inlet" }
      ]
    }
  ],
  
  "thermal_couplings": [
    {
      "hot_circuit": 0,
      "cold_circuit": 1,
      "ua": 4500,
      "efficiency": 0.95
    }
  ],
  
  "solver": {
    "strategy": "fallback",
    "max_iterations": 100,
    "tolerance": 1e-6
  },
  
  "design_conditions": {
    "source": "air_exterieur",
    "t_air_exterieur_c": 7,
    "t_evaporation_c": 0,
    "t_condensation_c": 50,
    "eau_chauffage_entree_c": 30,
    "eau_chauffage_sortie_c": 45,
    "debit_eau_kg_s": 0.3,
    "puissance_chauffage_kw": 10,
    "cop_estime": 3.2
  },
  
  "metadata": {
    "application": "Heat pump for residential heating",
    "standard": "Eurovent A7/W35"
  }
}
