# Drexel und Weiss

<span class="badge nightly">NIGHTLY</span> <span class="badge origin-nymea">NYMEA</span> <span class="badge community">COMMUNITY</span>

Connect to Drexel und Weiss HVAC systems.

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**Manufacturer:** Drexel und Weiss  
**Plugin:** `DrexelUndWeiss`

#### Supported models
| Model | Role | Transport | Pairing | Quantities |
| --- | --- | --- | --- | --- |
| **X2 LU** | ventilation, co2sensor | Modbus RTU | Auto-discovery | 5 |
| **X2 WP** | thermostat, Consumption meter | Modbus RTU | Auto-discovery | 19 |

#### Per-model detail
??? abstract "X2 LU — `x2lu`"
    _Discovery parameters:_

    | Key | Label | Type | Range | Default |
    | --- | --- | --- | --- | --- |
    | `slaveAddress` | Slave address | int | — | `1` |

    _Settings:_

    | Key | Label | Type | Range | Default | Read-only |
    | --- | --- | --- | --- | --- | --- |
    | `slaveAddress` | Slave address | uint | 0–250 | `0` | no |
    | `modbusMasterUuid` | Modbus RTU master | QUuid | — | — | no |

    _Measured quantities:_

    | Key | Quantity | Type | Unit |
    | --- | --- | --- | --- |
    | `connected` | Connected | bool | — |
    | `power` | Power | bool | — |
    | `co2` | CO2 | double | PartsPerMillion |
    | `ventilationMode` | Ventilation mode | QString | — |
    | `activeVentilationLevel` | Ventilation level | int | — |

??? abstract "X2 WP — `x2wp`"
    _Discovery parameters:_

    | Key | Label | Type | Range | Default |
    | --- | --- | --- | --- | --- |
    | `slaveAddress` | Slave address | int | — | `1` |

    _Settings:_

    | Key | Label | Type | Range | Default | Read-only |
    | --- | --- | --- | --- | --- | --- |
    | `slaveAddress` | Slave address | uint | 0–250 | `0` | no |
    | `modbusMasterUuid` | Modbus RTU master | QUuid | — | — | no |

    _Measured quantities:_

    | Key | Quantity | Type | Unit |
    | --- | --- | --- | --- |
    | `connected` | Connected | bool | — |
    | `power` | Power | bool | — |
    | `temperature` | Room temperature | double | DegreeCelsius |
    | `waterTemperature` | Water temperature | double | DegreeCelsius |
    | `outsideAirTemperature` | Outside air temperature | double | DegreeCelsius |
    | `targetTemperature` | Target room temperature | double | DegreeCelsius |
    | `targetWaterTemperature` | Target water temperature | double | DegreeCelsius |
    | `heatPumpMode` | Heat pump mode | QString | — |
    | `error` | Error | QString | — |
    | `currentPower` | Total power consumption | double | Watt |
    | `powerCompressor` | Power consumption compressor | double | Watt |
    | `powerAirPreheating` | Power consumption air preheating | double | Watt |
    | `powerRoomHeating` | Power consumption room heating | double | Watt |
    | `powerWaterHeating` | Power consumption water heating | double | Watt |
    | `totalEnergyConsumed` | Total energy consumed | double | KiloWattHour |
    | `energyCompressor` | Energy compressor | double | KiloWattHour |
    | `energyAirPreheating` | Energy air preheating | double | KiloWattHour |
    | `energyWaterHeating` | Energy water heating | double | KiloWattHour |
    | `energyRoomHeating` | Energy room heating | double | KiloWattHour |

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