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October 20, 2024 18:46
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Brink flair integration with homeassistant (https://community.home-assistant.io/t/integrating-brink-flair-325-hrv-with-home-assistant/333317)
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| - alias: "Set ventilation Mode Selector" | |
| trigger: | |
| platform: mqtt | |
| topic: "ventilation/mode" | |
| # entity_id: input_select.ventilation_mode | |
| action: | |
| service: input_select.select_option | |
| target: | |
| entity_id: input_select.ventilation_mode | |
| data: | |
| option: "{{ trigger.payload }}" | |
| - alias: "Set Ventilation Mode" | |
| trigger: | |
| platform: state | |
| entity_id: input_select.ventilation_mode | |
| action: | |
| service: mqtt.publish | |
| data: | |
| topic: "ventilation/mode" | |
| retain: true | |
| payload: "{{ states('input_select.ventilation_mode') }}" | |
| - alias: "Set ventilation Bypass Mode Selector" | |
| trigger: | |
| platform: mqtt | |
| topic: "ventilation/bypass_mode" | |
| action: | |
| service: input_select.select_option | |
| target: | |
| entity_id: input_select.ventilation_bypass_mode | |
| data: | |
| option: "{{ trigger.payload }}" | |
| - alias: Set Ventilation Bypass Mode | |
| description: If the flow speed is too high, bypass won't be manipulated due to the | |
| bad design of the HRV (there is "flapping" / "turbulence" that damages the bypass | |
| valve) - the bypass can be broken. | |
| trigger: | |
| - platform: state | |
| entity_id: input_select.ventilation_bypass_mode | |
| action: | |
| - service: mqtt.publish | |
| data: | |
| topic: ventilation/bypass_mode | |
| retain: true | |
| payload: '{{ states(''input_select.ventilation_bypass_mode'') }}' | |
| - if: | |
| - condition: numeric_state | |
| entity_id: sensor.ventilation_flow_speed | |
| below: '230' | |
| then: | |
| - service: mqtt.publish | |
| data: | |
| topic: ventilation/bypass_mode | |
| retain: true | |
| payload: '{{ states(''input_select.ventilation_bypass_mode'') }}' | |
| else: | |
| - service: notify.persistent_notification | |
| data: | |
| title: Not manipulating bypass due to too high flow speed. | |
| message: If you want to manipulate the bypass, you have to first lower the | |
| speed. | |
| - alias: Reset ventilation publish filters after HA start | |
| description: >- | |
| Activates reset node in Nodered to force-publish all values again on the next | |
| tik | |
| trigger: | |
| - platform: homeassistant | |
| event: start | |
| action: | |
| - delay: | |
| hours: 0 | |
| minutes: 1 | |
| seconds: 0 | |
| milliseconds: 0 | |
| - service: mqtt.publish | |
| data: | |
| topic: ventilation/_reset_publish_filters | |
| initial_state: 'on' | |
| mode: single | |
| - alias: Increase ventilation mode to max speed for brief period | |
| description: 'mostly for UI' | |
| trigger: null | |
| condition: [] | |
| action: | |
| - variables: | |
| original_mode: '{{ states(''input_select.ventilation_mode'') }}' | |
| - service: input_select.select_option | |
| data: | |
| option: max | |
| target: | |
| entity_id: input_select.ventilation_mode | |
| - delay: | |
| hours: 0 | |
| minutes: 20 | |
| seconds: 0 | |
| milliseconds: 0 | |
| - service: input_select.select_option | |
| target: | |
| entity_id: input_select.ventilation_mode | |
| data: | |
| option: '{{ original_mode }}' | |
| mode: restart | |
| - alias: Decrease ventilation mode for N minutes | |
| description: 'mostly for UI' | |
| trigger: null | |
| action: | |
| - variables: | |
| original_mode: '{{ states(''input_select.ventilation_mode'') }}' | |
| - service: input_select.select_option | |
| data: | |
| option: low | |
| target: | |
| entity_id: input_select.ventilation_mode | |
| - delay: | |
| hours: 0 | |
| minutes: 30 | |
| seconds: 0 | |
| milliseconds: 0 | |
| - service: input_select.select_option | |
| target: | |
| entity_id: input_select.ventilation_mode | |
| data: | |
| option: '{{ original_mode }}' | |
| mode: restart |
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| mqtt: | |
| sensor: | |
| - unique_id: "ventilation/supply_temperature" | |
| name: "Ventilation Supply Temperature" | |
| state_topic: "ventilation/supply_temperature" | |
| unit_of_measurement: "°C" | |
| value_template: "{{ value }}" | |
| - unique_id: "ventilation/output_temperature" | |
| name: "Ventilation Output Temperature" | |
| state_topic: "ventilation/output_temperature" | |
| unit_of_measurement: "°C" | |
| value_template: "{{ value }}" | |
| - unique_id: "ventilation/outside_temperature" | |
| name: "Ventilation Outside Temperature" | |
| state_topic: "ventilation/outside_temperature" | |
| unit_of_measurement: "°C" | |
| value_template: "{{ value }}" | |
| - unique_id: "ventilation/supply_humidity" | |
| name: "Ventilation Supply Humidity" | |
| state_topic: "ventilation/supply_humidity" | |
| unit_of_measurement: "%" | |
| value_template: "{{ value }}" | |
| - unique_id: "ventilation/output_humidity" | |
| name: "Ventilation Output Humidity" | |
| state_topic: "ventilation/output_humidity" | |
| unit_of_measurement: "%" | |
| value_template: "{{ value }}" | |
| - unique_id: "ventilation/flow_speed" | |
| name: "Ventilation Flow Speed" | |
| state_topic: "ventilation/flow_speed" | |
| unit_of_measurement: "m3" | |
| value_template: "{{ value }}" | |
| - unique_id: "ventilation/flow_speed_pct" | |
| name: "Ventilation Flow Speed Percentages" | |
| state_topic: "ventilation/flow_speed_pct" | |
| unit_of_measurement: "%" | |
| value_template: "{{ value }}" | |
| - unique_id: "ventilation/bypass_state" | |
| name: "Ventilation Bypass State" | |
| state_topic: "ventilation/bypass_state" | |
| value_template: "{{ value }}" | |
| - unique_id: "ventilation/preheater_state" | |
| name: "Ventilation Preheater State" | |
| state_topic: "ventilation/preheater_state" | |
| value_template: "{{ value }}" | |
| - unique_id: "ventilation/preheater_output" | |
| unit_of_measurement: "%" | |
| name: "Ventilation Preheater Output" | |
| state_topic: "ventilation/preheater_output" | |
| value_template: "{{ value }}" | |
| - unique_id: "ventilation/filter_state" | |
| name: "Ventilation Filter Status" | |
| state_topic: "ventilation/filter_state" | |
| value_template: "{{ value }}" | |
| - unique_id: "ventilation/output_pressure" | |
| name: "Ventilation Pressure Output" | |
| state_topic: "ventilation/output_pressure" | |
| unit_of_measurement: "pa" | |
| - unique_id: "ventilation/input_pressure" | |
| name: "Ventilation Pressure Input" | |
| state_topic: "ventilation/input_pressure" | |
| unit_of_measurement: "pa" | |
| - unique_id: "ventilation/filter_usage" | |
| name: "Filter Usage in Hours" | |
| state_topic: "ventilation/filter_usage" | |
| unit_of_measurement: "h" | |
| value_template: "{{ value }}" |
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|
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Learn more about bidirectional Unicode characters
| - title: ventilation | |
| path: ventilation | |
| badges: [] | |
| cards: | |
| - type: horizontal-stack | |
| title: Set ventilation speed | |
| cards: | |
| - type: custom:button-card | |
| styles: | |
| card: | |
| - height: 200px | |
| icon: mdi:fan-off | |
| size: 100% | |
| show_state: true | |
| name: low | |
| state: | |
| - operator: template | |
| value: | | |
| [[[ | |
| return states['input_select.ventilation_mode'].state == "low" | |
| ]]] | |
| color: green | |
| - operator: default | |
| tap_action: | |
| action: call-service | |
| service: input_select.select_option | |
| service_data: | |
| option: low | |
| entity_id: input_select.ventilation_mode | |
| - type: custom:button-card | |
| name: medium | |
| styles: | |
| card: | |
| - height: 200px | |
| icon: mdi:fan-speed-1 | |
| size: 100% | |
| show_state: true | |
| state: | |
| - operator: template | |
| value: | | |
| [[[ | |
| return states['input_select.ventilation_mode'].state == "medium" | |
| ]]] | |
| color: green | |
| - operator: default | |
| tap_action: | |
| action: call-service | |
| service: input_select.select_option | |
| service_data: | |
| option: medium | |
| entity_id: input_select.ventilation_mode | |
| - type: custom:button-card | |
| styles: | |
| card: | |
| - height: 200px | |
| icon: mdi:fan-speed-2 | |
| name: high | |
| size: 100% | |
| show_state: true | |
| state: | |
| - operator: template | |
| value: | | |
| [[[ | |
| return states['input_select.ventilation_mode'].state == "high" | |
| ]]] | |
| color: green | |
| - operator: default | |
| tap_action: | |
| action: call-service | |
| service: input_select.select_option | |
| service_data: | |
| option: high | |
| entity_id: input_select.ventilation_mode | |
| - type: custom:button-card | |
| styles: | |
| card: | |
| - height: 200px | |
| icon: mdi:fan-speed-3 | |
| name: max | |
| size: 100% | |
| show_state: true | |
| state: | |
| - operator: template | |
| value: | | |
| [[[ | |
| return states['input_select.ventilation_mode'].state == "max" | |
| ]]] | |
| color: green | |
| - operator: default | |
| tap_action: | |
| action: call-service | |
| service: input_select.select_option | |
| service_data: | |
| option: max | |
| entity_id: input_select.ventilation_mode | |
| - type: entities | |
| entities: | |
| - entity: input_select.ventilation_bypass_mode | |
| - type: entities | |
| entities: | |
| - entity: sensor.ventilation_bypass_state | |
| - entity: sensor.ventilation_flow_speed | |
| - entity: sensor.ventilation_flow_speed_percentages | |
| - entity: sensor.ventilation_outside_temperature | |
| - entity: sensor.ventilation_supply_humidity | |
| - entity: sensor.ventilation_supply_temperature | |
| - entity: sensor.ventilation_output_humidity | |
| - entity: sensor.ventilation_output_temperature | |
| - type: horizontal-stack | |
| title: Override vent for 30 mins | |
| cards: | |
| - type: custom:button-card | |
| styles: | |
| card: | |
| - height: 200px | |
| icon: mdi:fan-chevron-down | |
| size: 100% | |
| show_state: true | |
| show_label: true | |
| label: | | |
| [[[ | |
| return 'Low speed ' + ((states['input_select.ventilation_mode'].state == 'low') ? 'activated' : 'deactivated'); | |
| ]]] | |
| state: | |
| - operator: template | |
| value: | | |
| [[[ | |
| return states['input_select.ventilation_mode'].state == "low" | |
| ]]] | |
| color: green | |
| - operator: default | |
| color: black | |
| tap_action: | |
| action: call-service | |
| service: automation.trigger | |
| service_data: | |
| entity_id: automation.decrease_ventilation_mode_for_n_minutes | |
| - type: custom:button-card | |
| icon: mdi:fan-chevron-up | |
| size: 100% | |
| styles: | |
| card: | |
| - height: 200px | |
| show_state: true | |
| show_label: true | |
| label: | | |
| [[[ | |
| return 'Max speed ' + ((states['input_select.ventilation_mode'].state == 'max') ? 'activated' : 'deactivated'); | |
| ]]] | |
| state: | |
| - operator: template | |
| value: | | |
| [[[ | |
| return states['input_select.ventilation_mode'].state == "max" | |
| ]]] | |
| color: green | |
| - operator: default | |
| tap_action: | |
| action: call-service | |
| service: automation.trigger | |
| service_data: | |
| entity_id: >- | |
| automation.increase_ventilation_mode_to_max_speed_for_brief_period | |
| - type: button | |
| name: Push state | |
| icon: mdi:publish | |
| show_state: false | |
| tap_action: | |
| action: call-service | |
| service: mqtt.publish | |
| service_data: | |
| topic: ventilation/_reset_publish_filters |
flow-400.json contains a slightly improved version with preheater and "enable modbus" switch that is needed after every restart to make it work. You might want some of that even if you have Brink 325.
I just maintain one flow.json for Brink 400 (see the first comment for tiny change you want to do for 325).
thanks - great effort and mostly works like a charm :-)
do you have an idea why the humidity via this Modbus does not match the value reported in Brink Home? Does it perhaps have to do with relative humidity vs absolute humidity? Also, do you know where I can find the Modbus spec for the Brink Flair 400?
seems I figured it out
Modbus doc: https://www.brinkclimatesystems.nl/documenten/modbus-uwa2-b-uwa2-e-installation-regulations-614882.pdf
I have the humidity sensor module and this is a different Modbus address. So I changed the value to 4083. Still unclear to me why there is such a big difference between the 2. Will contact Brink for more info.
do you have an idea why the humidity via this Modbus does not match the value reported in Brink Home? Does it perhaps have to do with relative humidity vs absolute humidity?
I don't follow, sorry 🤔 . My does have relative humidity, I don't think anything regular-user-space ever gets absolute humidity 🤔 .
Also, do you know where I can find the Modbus spec for the Brink Flair 400?
The config above was exactly the same on our Flair 325 and even Flair 400 (we got it upgraded). So should mostly work (except small change in conversion to % of flow rate)
I bought the extra humidity sensor for the brink flair 400: https://www.brinkclimatesystems.nl/documenten/rh-sensor-614860.pdf
as I did not know that there was one already inside. However this one and the internal one report different values. The extra one reflects more the value in the house whilst the internal one is a lot lower and probably the value inside the unit.
To solved I needed to modify the value to 4083 as this was a more interesting humidity reading for me.
Thanks again.
Update: Added better handling of negative values. They are read from modbus as values subtracted from 65536, so a transformation needs to be applied.
Thanks, @hnykda got it working, only getting the error in HA: Custom element doesn't exist: button-card. Any idea how to fix this? Thanks in advance.
Hey. You are right, I forgot.to mention that, it's https://github.com/custom-cards/button-card#configuration and it is not part of vanilla HA installation.
But the recent HA got a Button card IIRC, so you might get away with that :-)
Thanks got it working. First, I could only read values and couldn't change the fan speed. I got the 4 positions switch attached on x14 on the brink print, when 2 and 3 are closed I'm not able to change the fan speed. But when I remove it, it works with the buttons in home assistant.
Hi hnykda, home assistant requires a new MQTT sensor format. Today I changed all the sensors from this project to the new mqtt sensor format.
mqtt:
sensor:
- name: "Ventilation Supply Temperature"
unique_id: "ventilation/supply_temperature"
state_topic: "ventilation/supply_temperature"
unit_of_measurement: "°C"
value_template: "{{ value }}"
- name: "Ventilation Output Temperature"
unique_id: "ventilation/output_temperature"
state_topic: "ventilation/output_temperature"
unit_of_measurement: "°C"
value_template: "{{ value }}"
- name: "Ventilation Outside Temperature"
unique_id: "ventilation/outside_temperature"
state_topic: "ventilation/outside_temperature"
unit_of_measurement: "°C"
value_template: "{{ value }}"
- name: "Ventilation Supply Humidity"
unique_id: "ventilation/supply_humidity"
state_topic: "ventilation/supply_humidity"
unit_of_measurement: "%"
value_template: "{{ value }}"
- name: "Ventilation Output Humidity"
unique_id: "ventilation/output_humidity"
state_topic: "ventilation/output_humidity"
unit_of_measurement: "%"
value_template: "{{ value }}"
- name: "Ventilation Flow Speed"
unique_id: "ventilation/flow_speed"
state_topic: "ventilation/flow_speed"
unit_of_measurement: "m3"
value_template: "{{ value }}"
- name: "Ventilation Flow Speed Percentages"
unique_id: "ventilation/flow_speed_pct"
state_topic: "ventilation/flow_speed_pct"
unit_of_measurement: "%"
value_template: "{{ value }}"
- name: "Ventilation Bypass State"
unique_id: "ventilation/bypass_state"
state_topic: "ventilation/bypass_state"
value_template: "{{ value }}"
Thanks. I have updated the gist (with some additional values, such as pressure).
If you have the same unit as I do, I recommend to update the bypass_mode automation. I have found out that there is turbulence when you run on more than ~250m3/h that makes the bypass "flap" and the technician said it's a bug and it might damage the bypass valve, eventually (as it's really just plastic).
And this might be just my unit specific bug, but it switch off the fans when the temperature goes under zero. It's driving me crazy, technicians say things like "it's probably preheater, but dunno, let's reflash latest firmware"...
Also, apparently, Brink fired the whole programming team and there's a new team now, so everyone is praying that things don't break as there's not much knowledge.
Hi hnykda, I have 300 unit version without the preheater. Haven't yet noticed the bypass flapping. Adopted the new automation anyway.
It's all a bit buggy the brink firmware, every time I try to change the volume from the modes(1,2,3,etc) in the web interface from the unit I have a hard time to get the unit to listen to modbus again. At this moment I only listen to mode 0 correctly, if I insert mode 1 2 3 it only goes to maximum speed (300m3/h). Checked the output to the modbus with a debug node it's all correctly inserting the right values.
I also read out register 4115 (filter use in hours) divide this with / 24 and publish this in days to HA.
It is buggy and I experience somewhat similar behavior, but it's to some degree expected, as the manual in section 5.5.8 says this:
Note: When ModBus is active, the ventilation mode cannot be changed using the display or, if applicable, the
connected multiple switch! Also any connected humidity sensor will not function.
so it's actually a miracle that you can manipulate it from the display at all even when using modbus at other times. Btw. for me it somehow works just fine even when modbus is active.
Those 250m3h for the flapping thing is my guesstimate when it shouldn't do any flapping (note that it might still do some vibrations even if you can't hear it). Maybe it can be higher, this is "safe" side.
By the way, one could trivially edit the automation not to just raise a notification, but to simply safe the current speed/mode into a variable, lower it to safe speed if current_speed > 250m3h (e.g. 250m3h), increase it back to the originally speed.
Hi hnykda, I have 300 unit version without the preheater. Haven't yet noticed the bypass flapping. Adopted the new automation anyway.
It's all a bit buggy the brink firmware, every time I try to change the volume from the modes(1,2,3,etc) in the web interface from the unit I have a hard time to get the unit to listen to modbus again. At this moment I only listen to mode 0 correctly, if I insert mode 1 2 3 it only goes to maximum speed (300m3/h). Checked the output to the modbus with a debug node it's all correctly inserting the right values.
I also read out register 4115 (filter use in hours) divide this with / 24 and publish this in days to HA.
Perhaps it will help - I had to set the ‘switch default position’ 6031 to 1 (for some reason it was on 0 for me).
If I changed this then the rf senders, web-app and modbus appear to work. Highest setting wins. Basically When it is zero it has some confusing ‘vacation mode’. It totally confusing. But I now set 6031 to 1 on starting the modbus and works quite well now.
Added filter usage in hours, thanks for the tip @limwakra and also everyone who contributes here and helps others!
thanks, @garystewart, I've tried your suggestion, but the register was already on 1.
Can anyone read out register: 7990 It's not in the manual what the default value is for this one, maybe that one is wrong. Mine is currently at 1 (1 = Modbus external connect)
Reading 7990 doesn't do anything for me, no return value.
7990 is 1 for me.
it has been awhile since I looked at this and the symptom is so familiar.
Do you ever set the mode to 0? (Via app or home assistant). Basically i disabled every chance of setting to 0 with home assistant. And don’t make change to 0 via the web-app.
and a final protection - I added a power plug that I can remotely switch off and on in case I forget to turn it down when using the rf sender or if something goes wrong. This way I can switch it off and on then all is reset. :)
And to add - set it to 1 on modbus, web app and rf senders if you have it. Then test from there. 🤞🏻
Yes! @garystewart that was it. Changed the state to 1 in the local interface, and now it's working again. Thank you so much!
your welcome. it drove me crazy. Basically, highest setting wins except mode=0. which I think is some sort of vacation setting which in imho should never be used.
If you have the 4 button cabled switch the ventilator sign is mode 0. In the end I removed the cabled switch and replaced it with the rf sender one. so now nothing can set to 0 in my house :-)
Hello, @hnykda ,
I've followed all the steps and successfully connected my Flair, and now the data is available in my Home Assistant (HA). However, I'm unsure how to use the lovelace-view.yaml file in HA.
I've already downloaded and installed the custom-button component, but I'm not sure how to proceed with creating a display using the lovelace-view.yaml file. Could you please provide more detailed instructions for this specific part?
Thank you very much in advance for your help!
Hey. Just create a card. Any card for any entity. Click on "SHOW CODE EDITOR" at the bottom left and copy the content there. E.g. I have this right now (YOU WILL have to change the entities, mine are now using ESPHome modbus thing):
type: horizontal-stack
cards:
- type: custom:button-card
styles:
card:
- height: 200px
icon: mdi:fan-off
size: 100%
show_state: true
name: low
state:
- operator: template
value: |
[[[
return states['number.ventilation_modbus_step_setting'].state == 0
]]]
color: green
- operator: default
tap_action:
action: call-service
service: number.set_value
service_data:
value: 0
entity_id: number.ventilation_modbus_step_setting
- type: custom:button-card
name: medium
styles:
card:
- height: 200px
icon: mdi:fan-speed-1
size: 100%
show_state: true
state:
- operator: template
value: |
[[[
return states['number.ventilation_modbus_step_setting'].state == 1
]]]
color: green
- operator: default
tap_action:
action: call-service
service: number.set_value
service_data:
value: 1
entity_id: number.ventilation_modbus_step_setting
- type: custom:button-card
styles:
card:
- height: 200px
icon: mdi:fan-speed-2
name: high
size: 100%
show_state: true
state:
- operator: template
value: |
[[[
return states['number.ventilation_modbus_step_setting'].state == 2
]]]
color: green
- operator: default
tap_action:
action: call-service
service: number.set_value
service_data:
value: 2
entity_id: number.ventilation_modbus_step_setting
- type: custom:button-card
styles:
card:
- height: 200px
icon: mdi:fan-speed-3
name: max
size: 100%
show_state: true
state:
- operator: template
value: |
[[[
return states['number.ventilation_modbus_step_setting'].state == 3
]]]
color: green
- operator: default
tap_action:
action: call-service
service: number.set_value
service_data:
value: 3
entity_id: number.ventilation_modbus_step_setting
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You need to setup the correct MQTT broker settings in flow config in nodered.
Also, if you are using Brink Flair 325, you want to adjust the flow percentage option in Node Red node so it's not showing 75% when you run it on full speed (just a tiny change).
The button card use this: https://gist.github.com/hnykda/bbd1bc3b81bd5ab62efac1bda9547943?permalink_comment_id=4021765#gistcomment-4021765