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[iZone] - Main controller cannot set temperature but iZone app allows it. #160350

@petermicha

Description

@petermicha

The problem

Summary
After integrating iZone with Home Assistant, I noticed a mismatch in functionality compared to the iZone app.
Details

In the iZone app (Android), I can:

Turn the main AC controller on/off.
Set the controller’s temperature directly.

In Home Assistant:

The master controller entity only allows changing mode (heat/cool/etc.) and turning on/off.
It does not allow setting the controller’s temperature.
The system will turn off unless I set a temperature for at least one zone that has a wireless thermostat.

Additional Issue
If I turn the AC on via the iZone app, the master controller in Home Assistant does not reflect the “on” state. It only updates when a zone temperature is set in HA.

What version of Home Assistant Core has the issue?

core-2025.12.2

What was the last working version of Home Assistant Core?

core-2025.12.2

What type of installation are you running?

Home Assistant OS

Integration causing the issue

iZone

Link to integration documentation on our website

https://www.home-assistant.io/integrations/izone/

Diagnostics information

No response

Example YAML snippet

Anything in the logs that might be useful for us?

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