This is going to be a complex problem (at least for me), but I hope you guys can help me out to find a solution.
So here's the simple version: I have 5 Panasonic ducted aircon (KIT-36PF3ZH25 (S-3650PF3E + U-36PZH2E5) - one of them is the 5kW version, but otherwise they're the same). I also have 5 rooms with Google Nest Learning Thermostats (3rd gen, US version). All the aircons have a control panel (Panasonic CZ-RTC6BLW).
What I would like to do is have the Nest thermostat on the wall, set it to for example 23-26C range, so when it goes under 23C it turns on the underfloor heating (that part is easy), and when it goes over 26C it turns on the AC. The thermostat itself doesn't need to do anything other than that, just turn ON/OFF the AC, the rest of the configuration would be done via the Panasonic app itself.
The question is, how can I turn the AC ON/OFF? My electician said that it's easy, he just needs to "cut" something on the AC's motherboard and wire it directly to the Nest, but I'm worried, because
a) there's no manual or anything about this on the internet
b) warranty
Is there a way to do the AC ON/OFF part somehow via Loxone all digitally? Something like the Nest sends out a signal to turn on/off the AC, the loxone reads it somehow and then turns on/off the AC.
Thanks!
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