From:  Robert <robert@invalid.invalid>
Date:  27 Oct 2024 20:32:09 Hong Kong Time
Newsgroup:  news.alt119.net/uk.d-i-y
Subject:  

Re: Dumb TRVs with call for heat

NNTP-Posting-Host:  null

On 27/10/2024 12:00, Theo wrote:
> No mail  wrote:
>> I've had a large Evohome system for about 7 years - the ability to
>> control individual rooms is great. I'm happy to (try to) answer any
>> questions about it
> 
> I found a (long) video that shows the Evohome controller:
> https://youtu.be/Evg6wl9dRxE?feature=shared&t=3357
> 
> It also covers the website (there was one but it didn't do anything useful)
> and Android app (in an emulator on Windows) at 1:23:00.  From 2014 so maybe
> things have moved on?
> 
>  From that it appears to be very schedule based - it expects you to set
> programmes for temperature at different times of different days.  There's a
> 101 ways to vary the programmes, but underneath it expects there to be
> programmes.
> 
> Can you use it in a completely non-scheduled mode: you're cold, so you want
> some heat in the room you're in?  Can you do that easily?  You don't want to
> set the room up to 24C until 22:35 hours, you just want some heat for an
> hour or two until you go to another room.  How many button presses are
> needed for that?  You can obviously just bump the temperature manually, but
> do you have to remember to drop it down when you leave otherwise the room
> stays hot?
> 
> Theo
It is scheduled based and there is no "boost" button on the thermostats 
themselves.
However just turning the room TRV up will call for heat and if you set 
up permanent schedules which turn the heating down every night this will 
cover the occasions when you forget to turn the TRV down again.
The App does allow you  to adjust the temperature in one room (or zone) 
until a specific time quite intuitively and this can be done from the 
Controller as well .
The thermostats do have a proper OFF position which does not get reset 
by the controller .