From:  David Wade <g4ugm@dave.invalid>
Date:  26 Oct 2024 05:45:44 Hong Kong Time
Newsgroup:  news.alt119.net/uk.d-i-y
Subject:  

Re: Dumb TRVs with call for heat

NNTP-Posting-Host:  null

On 25/10/2024 18:07, Theo wrote:
> David Wade  wrote:
>> Drayton Wiser only needs the internet for setup. After that the app
>> connects directly to your hub. There are hacks to connect it to the
>> popular HomeAssistant software, so its possible to have it totally
>> off-line...
> 
> Is there a way to use it with a local controller, ie no app and no wifi?
> 

No needs WiFi , well there are two over-ride buttons on the box that 
turn on Heating and Water but I have no idea what that does to the 
radiator settings.

> I'm seeing square boxes with displays but they just appear to be room
> thermostats.  Can you control it from one of those (eg turn the hot water on
> or change programmes)?
> 

No, these are room stats, so you can override the current settings in 
that room, but only that room, but you can turn the water on from the 
interface box.

> You can of course give it a tablet to run the app on, but it's subject to
> the vagaries of Android/iOS and having good wifi (eg change ISP and the
> heating can't be controlled because the wifi SSID has changed).
> 

I always keep the old SSID and Passphrase when I swap ISPs. I have one 
or two dozen home automation things, such as Tapo cameras, Amazon Echos 
& Echo Dots, WiFi Switches, Garden Watering System...
... I actually have Draytek Access Points with a separate firewalled 
WiFi network for the Home Automation stuff .....

> It appears there's some stuff to talk to it locally over IP, but that still
> needs wifi to be up.
> 

Yes, its WiFi only...

> Theo

Dave