hass-blueprints/blueprints/danfoss_ally_trv_external_sensor.yaml

80 lines
2.2 KiB
YAML

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