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53 lines
2.2 KiB
Markdown
53 lines
2.2 KiB
Markdown
---
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layout: page
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title: "Honeywell evohome/TCC Climate devices"
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description: "Instructions on how to utilize a Honeywell evohome/TCC system within Home Assistant."
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date: 2018-09-25 12:00
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sidebar: true
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comments: false
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sharing: true
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footer: true
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logo: honeywell.png
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ha_category: Climate
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ha_release: 0.80
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ha_iot_class: "Cloud Polling"
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---
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The `evohome` climate platform integrates your _non-US_ [Honeywell Total Connect Comfort (TCC)](https://international.mytotalconnectcomfort.com/Account/Login) system into Home Assistant. It has been tested with the Honeywell evohome multi-zone CH/DHW system, but other systems may also work.
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It is distinct from - but related to - the [`honeywell`](/components/climate.honeywell/) climate platform, which also allows (limited) integration with Honeywell Connected thermostats; these two components may well be usable side-by-side, but YMMV.
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The evohome evotouch Controller supports seven distict operating modes: Auto, AutoWithEco, Away, DayOff, HeatingOff, and Custom; AutoWithReset is a 7th, hidden, mode.
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Currently, only the standard HA operating modes are supported; the evohome modes are mapped thus: 'Eco' (AutoWithEco), 'Off' (HeatingOff), and 'Auto' (all other evohome modes). 'Away' mode is supported separately, in the HA fashion.
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The evohome Heating zones support only three operating modes: FollowSchedule, TemporaryOverride, and PermanentOverride. If the zone is in FollowSchedule mode, it inherits its `operating_mode` from the controller; the other modes are mapped to 'Manual' or 'Off'.
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A device's actual operating mode can be tracked via its `device_state_attributes`, which includes a JSON data structure for current state called `status`. For example:
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```json
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{
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'zoneId': '999999',
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'temperatureStatus': {
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'temperature': 21.5,
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'isAvailable': True
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},
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'activeFaults': [],
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'setpointStatus': {
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'targetHeatTemperature': 17.5,
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'setpointMode': 'FollowSchedule'
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},
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'name': 'Main Room'
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}
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```
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This data can be accessed in automations, etc., via a value template:
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{% raw %}
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```
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value_template: "{{ state_attr('climate.main_room', 'status').setpointStatus.setpointMode }}"
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```
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{% endraw %}
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<p class='note'>
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Full configuration details can be found on the main [evohome component](/components/evohome/) page.
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</p>
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