88 lines
2.5 KiB
YAML
88 lines
2.5 KiB
YAML
blueprint:
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author: runejuhl
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homeassistant:
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min_version: 2025.2.4
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name: Radiator external temperature sensor control (0.0.2-alpha)
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description: |-
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## Radiator external temperature sensor control
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Version `0.0.2-alpha`.
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Sets the `external_measured_room_sensor` value on Danfoss Ally TRV, enabling
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the TRV to adjust the valve based on an external sensor.
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domain: automation
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source_url: https://git.petardo.dk/runejuhl/hass-blueprints/raw/branch/dev/blueprints/danfoss_ally_trv_external_sensor.yaml
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input:
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radiator:
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name: Radiator thermostat
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selector:
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entity:
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filter:
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- domain:
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- climate
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multiple: false
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climate_sensor:
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name: Climate sensor temperature entity
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selector:
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entity:
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filter:
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- device_class:
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- temperature
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multiple: false
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mode: queued
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variables:
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climate_entity: !input radiator
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temperature_entity: !input climate_sensor
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triggers:
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- entity_id: !input climate_sensor
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trigger: state
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conditions:
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# We only want to execute the action if
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#
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# * the temperature sensor is available, or
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#
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# * the temperature has changed by at least 0.1 degress C, according to the
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# Zigbee2MQTT documentation for the device:
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# https://www.zigbee2mqtt.io/devices/014G2461.html
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#
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# `external_measured_room_sensor` defaults to `-8000`, so this will work in all
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# cases.
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- condition: template
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value_template: |-
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{# if the temperature entity doesn't have a state, e.g. if it's powered off #}
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{% if states(temperature_entity) is none %}
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False
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{# if the radiator has been unavailable #}
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{% elif state_attr(climate_entity, 'external_measured_room_sensor') is none %}
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True
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{% else %}
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{{
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( (state_attr(climate_entity, 'external_measured_room_sensor')
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- (trigger.to_state.state | float) * 100) | abs)
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>= 10
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}}
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{% endif %}
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actions:
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- variables:
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# If we don't have a trigger ID the automation has been run manually, in
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# which case we pull the temperature from the sensor instead of the trigger
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# state.
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external_temperature: |-
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{% if (trigger.id is not defined) or (trigger.to_state.state in ['unavailable', 'unknown']) %}
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{{ states(temperature_entity) }}
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{% else %}
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{{ trigger.to_state.state | float }}
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{% endif %}
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- action: number.set_value
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target:
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entity_id: number.{{ states[climate_entity].object_id }}_external_measured_room_sensor
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data:
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value: |-
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{{
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(external_temperature * 100) | int
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}}
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