There is an older thread (Groovy-related) about a slight variant of your thermostat:
The implication is that support has been dropped in favour of the newer V2 version.
The zwave.eu site has information also:
https://manual.zwave.eu/backend/make.php?lang=en&sku=GOAEZMNHID1
The Qubino site has a link to detailed manual which includes the information needed if you were going to write an Edge driver yourself:
Finally, the openhap site has information that suggests the Manufacturer Id is 51 and the Type: 5 but no Model number.
It seems much more complicated than my Secure Thermostats.