Zewotherm EU-L Series

Energy management settings of the device:

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

Supported features

Built-in meter: Support for an integrated meter.
Dimmable: Power consumption can be reduced (e.g. § 14a EnWG). See External Limit.

Parameters

Name	Description	Value	Level
`id`	Modbus ID Default: `1`	int	required
`host`	IP address or hostname Example: `192.0.2.2`		required
`port`	Port Default: `502`	int	required
`tempsource`	Temperature source		optional
`firmware`	Firmware version. Choose '>=1.1.3' for word-swap Default: `<1.1.3`		optional
`excess`	deprecated, set for neg. e-excess to minus Default: `plus`		advanced
`watchdog`	Watchdog Default: `60s`		advanced

Configuration example for evcc.yaml

If you don't want to configure via the UI, you can alternatively use this YAML block.

chargers:
    - name: my_heating
      type: template
      template: lambda-zewotherm

      # Modbus TCP
      modbus: tcpip
      id: 1
      host:  # Hostname
      port: 502 # Port
      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