Table of Contents

• Home Assistant sensor component/integration for Itho Wifi
  • What can be configured via this Integration
    • Fan entity
  • Differences with the add-on's Home Assistant MQTT Discovery
  • Use-case
  • Advanced configuration
  • Available entities
  • Why don't I see all entities?
• Installation
  • Prerequisites
  • Install via HACS (recommended)
  • Manual install
• Screenshots
• Help us improve!

Home Assistant sensor component/integration for Itho Wifi

This integration for Home Assistant provides a configuration screen for the MQTT based "Itho Wifi add-on" from https://github.com/arjenhiemstra/ithowifi This simplifies the integration by creating the sensors for the various Itho Daalderop devices: Heatpump WPU 5G, HRU units, CVE boxes, Autotemp units for floor heating.

This custom component has no affiliation with the Itho Daalderop company or with Arjen Hiemstra's Itho WiFi add-on.

What can be configured via this Integration

1. Autotemp sensors with up to 10 autotemp rooms using custom room names instead of Room 1, Room 2
2. Heatpump WPU sensors
3. CVE sensors
4. NON-CVE / HRU sensors
5. Up to 5 remotes for monitoring CO2 levels for CVE/NON-CVE (HRU) with custom names.

Fan entity

The integration creates a Fan entity for several devices which can be used to control the speed and/or mode. Currently the following devices and actions are provided:

Note

We intend to provide support for the CVE and HRU200 in the (near) future, but these seem to be a bit more challanging due to the different possible control styles (commands) used. Help us by providing feedback!.

HRU ECO 250/300

HA action	Device action
Turn on	Sets preset mode to High
Turf off	Sets preset mode to Auto
Preset mode*	Sets to corresponding preset mode

* Supported preset modes are Low, Medium, High, Auto, Timer 10, Timer 20, Timer 30

Note

Setting Fan preset mode works as fire-and-forget

The HRU ECO 250/300 don't provide information on their current preset. Setting a preset from a physical (RF)remote is currently impossible to know for the integration.

HRU ECO 350

Important

Requires a successfully paired virtual remote

HA action	Device action
Turn on	Sets preset mode to High
Turf off	Sets preset mode to Auto
Preset mode*	Sets to corresponding preset mode

* Supported preset modes are Low, Medium, High, Auto, Autonight, Timer 10, Timer 20, Timer 30

Differences with the Itho WiFi add-on Home Assistant MQTT Discovery

Custom autotemp roomnames and CO2 remote names are also unique to this integration.

Additional differences include the translations in Dutch, support for other Itho devices besides a fan, value translations for e.g. status.

Use-case

This integration should eliminate the manual creation via YAML of sensors for:

• Non-CVE (HRU) like Actual mode, Supply Temp, Supply / Exhaust RPM, Bypass
• CVE like Humidity, Temperature, Speed
• Autotemp like Power kW, Power %, Set Point Temp, Actual Temp per Room
• CO2 concencration for supported remotes
• WPU like Pump Percentage, Boiler Temp, From / To Source Temps, Operating Mode etc

Advanced configuration

The integration has an option for advanced configuration. This can be enable during setup which allows for the customization of one or more of the following settings:

• MQTT base topic
• Prefix used for the created entities
• Device name

This can be used to created multiple Home Assistant integration entries for the same device-type (for example, for users with multiple CVE's). Or just if you want to customize the entry to your own liking.

Available entities

The integration creates a device and sensors and uses a predefined MQTT state topic to distinct the devices. At first only a (by the authors) selected group of entities will be created. If you want to create all available entities for your device, you need to re-configure the integation entry:

Navigate to integrations and find the Itho WiFi Add-on. Click the three dots of the entry you want edit:

Click Reconfigure and reconfigure the created entities

Why don't I see all entities?

Some sensor are disabled by default. Follow these instructions to enable an entity.

Click xx entities not shown within the device or just navigate to the entity directly

Click the cogwheel icon

Click enable

Installation

Prerequisites

1. Working WiFi add-on connected to the Itho device(s) (buy)
2. Official HA MQTT Integration configured and connected to the MQTT broker.
3. In the Itho WiFi add-on under 'MQTT' the MQTT base topic should be configured like the table below (or use the advanced configuration to customize):
4. Home Assistant MQTT Discovery under 'MQTT' configuration in the add-on should be set to Off (default) if your fan is supported via this integration.

Device	MQTT base topic
Autotemp	ithotemp
CVE	ithocve
HRU	ithohru
WPU	ithowpu

Install via HACS (recommended)

1. Install HACS by following these steps
2. Search for "Itho wifi" and download the integration.

Manual install

1. Using a HA file editor like Studio Code Server or File Editor, create a folder /usr/share/hassio/homeassistant/custom_components/ithodaalderop
2. Git clone this repository or download the content to custom_components in the /usr/share/hassio/homeassistant/custom_components/ithodaalderop directory
3. Restart Home Assistant
4. Go to Integrations
5. Search for Itho Add-on integration
6. Add an entry for each device

Screenshots

Add integration

Define remotes for CO2 monitoring

Define rooms for autotemp

Created devices

Created HRU sensors and two remotes

CVE sensors

Autotemp Control Unit + Connected Sensors

Advanced configuration

Help us improve!

As we don't own all Itho devices ourselves, we don't always know the exact meaning and usage of an available sensor. You can help us improve the integration by providing feedback about:

• Translations
• Binary sensors. When a sensor provides only binary data (on/off, open/close, ...)
• Should a sensor be within the 'selected' group of sensors
• Should a sensor be enabled by default
• ...

Feel free to create an issue!