# Lambda EU-L Series

Source: https://docs.evcc.io/en/heating/lambda-eu-l-series

Energy management settings of the device:

- E-Meter communication type: "ModBus Client"
- E-Meter measuring point: "Energy-Input"

Supported features: meter, dim

## Parameters

| Name | Description | Default / example | |
| --- | --- | --- | --- |
| host | IP address or hostname | 192.0.2.2 |  |
| port | Port | 502 |  |
| tempsource | Temperature source (warmwater_top, warmwater_bottom, buffer_top, buffer_bottom) |  |  |
| firmware | Firmware version. Choose '>=1.1.3' for word-swap (<1.1.3, >=1.1.3) | <1.1.3 |  |
| excess | deprecated, set for neg. e-excess to minus (plus, minus) | plus | advanced |
| watchdog | Watchdog | 60s | advanced |

## Configuration example for evcc.yaml

```yaml
chargers:
    - name: my_heating
      type: template
      template: lambda-zewotherm
      host: 192.0.2.2 # IP address or hostname
      port: 502 # Port, optional
      tempsource: # Temperature source, [warmwater_top, warmwater_bottom, buffer_top, buffer_bottom] (optional)
      firmware: <1.1.3 # Firmware version. Choose '>=1.1.3' for word-swap, [<1.1.3, >=1.1.3] (optional)
      excess: plus # deprecated, set for neg. e-excess to minus, [plus, minus] (optional)
      watchdog: 60s # Watchdog, optional
```