Problem:
With the iOS V1.5.0 (170000029) of Zehnder Comfo Control App you ger every ~15-60 minutes a message from the app with "Cloud.Connection_Established "
Status:
The problem is known and we are already investigating on the issue.
This problem has been localized and is an issue on the backend system. No Update need on the client side.
Solution:
Implementation is on investigation.