# my-PV AC ELWA 2

Source: https://docs.evcc.io/en/heating/my-pv-ac-elwa-2

Use the local web interface of AC ELWA 2 to set the value "Power timeout" to a value slightly higher (e.g. + 5s) than the interval time of evcc.
Use control type "Modbus TCP" and set loadpoint minimal current to 0.125A.

Supported features: meter

Sponsor token required: this device is available to sponsors of the project, see https://docs.evcc.io/en/sponsorship.

## Parameters

| Name | Description | Default / example | |
| --- | --- | --- | --- |
| modbus | Modbus Type (tcpip) |  |  |
| scale | Scale factor for power limit | 1 |  |
| tempsource | Temperature source (1, 2) | 1 |  |

## Configuration example for evcc.yaml

```yaml
chargers:
    - name: my_heating
      type: template
      template: ac-elwa-2
      
      # Modbus TCP
      modbus: tcpip
      id: 1
      host:  # Hostname
      port: 502 # Port
      scale: 1 # Scale factor for power limit, optional
      tempsource: 1 # Temperature source, [1, 2] (optional)
```