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Heating controls
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Pmarmalade wrote: »Thanks; that Danfoss sounds about as close as I've come so far, actually. What model is it?
I feel I do know exactly what I want, but trying to find the specifics of the lock modes for each device is proving difficult, so I thought I'd ask owners. The Nest, for example, has a PIN lock but no manual boost button, so it's out.
My ideal feature set is exactly this:
- Thermostat needs to be wireless so it's in the living room (or another heated room) and not next to the boiler in its cold location. Obviously most systems have a wireless stat.
- Allows lodger to do a +1hr 'boost' without giving them full access to override all the other settings. I don't think this solution/set-up exists, however?
That really is all I need. Having read around I thought the only way I was going to achieve this was by keeping the control in my bedroom and allowing the lodger a way to 'boost' it if they needed it outside of the scheduled time.
The thermostat will override the timer though. If the plus 1 is pressed, the heating will only come on if the stat is calling for heat0 -
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I'm not sure you're going to find what you want as the +1hr requirement is attempting to mix the old fashioned on/off world with the new temperature profile world.
You could easily do what you want by wiring another programmer in parallel with a manual thermostat. You could then use that to give a 1 hour boost up to whatever temperature that thermostat was set to. But if tenant fiddled with the buttons, you might find it in 24hr on mode! And you'd have the weirdest control setup ever!
I don't know if any of the smart systems with phone tracking allow you to differentiate between "users" and "admin".
Not relevant to your questions but might be of interest - I was relieved to see that my Heatmiser setup continued working when the broadband went down. Although the app wouldn't work the thermostat was getting its temperature readings from the sensors, so the system works ok with just the local network running.0 -
I'm not sure you're going to find what you want as the +1hr requirement is attempting to mix the old fashioned on/off world with the new temperature profile world.
Our Hive systems (three holiday apartments) run as 'old fashioned' timers but you can log in at any time to turn it from 'off' to 'schedule' or 'constant' as well as being able to 'boost' for up to six hours
Isn't that what the OP is looking for?0 -
Our Hive systems (three holiday apartments) run as 'old fashioned' timers but you can log in at any time to turn it from 'off' to 'schedule' or 'constant' as well as being able to 'boost' for up to six hours
Isn't that what the OP is looking for?
Yes if the lodger is restricted to 'boost' only. No if the app gives the lodger full control of all settings.0 -
You could easily do what you want by wiring another programmer in parallel with a manual thermostat. You could then use that to give a 1 hour boost up to whatever temperature that thermostat was set to. But if tenant fiddled with the buttons, you might find it in 24hr on mode! And you'd have the weirdest control setup ever!
I suppose you could have a simple timer switch like
https://www.screwfix.com/p/elkay-3-wire-master-push-button-white/34572
in parallel with the thermostat which would give full heat for say 1 hour though without the thermostat then being in control. Probably wouldn't be a problem for an hour at a time, especially if the rads have TRVs.0 -
coffeehound wrote: »I suppose you could have a simple timer switch like
https://www.screwfix.com/p/elkay-3-wire-master-push-button-white/34572
in parallel with the thermostat which would give full heat for say 1 hour though without the thermostat then being in control. Probably wouldn't be a problem for an hour at a time, especially if the rads have TRVs.
Oh, I'm intrigued... I love outside-the-box solutions like this!
How would that be wired only to the 'boost' ('+1 Hour', 'Advance' or any other name different manufacturers come up with) function on the boiler?0 -
Pmarmalade wrote: »Oh, I'm intrigued... I love outside-the-box solutions like this!
How would that be wired only to the 'boost' ('+1 Hour', 'Advance' or any other name different manufacturers come up with) function on the boiler?
It would be wired to feed mains "live" to the same connection point that the thermostat's call for heat signal is connected to. As coffeehound said, that means it's effectively wired in parallel with the thermostat so the boiler gets a call for heat either from the thermostat or the timer switch (or both if they happen to be activated together).0 -
Pmarmalade wrote: »How would that be wired only to the 'boost' ('+1 Hour', 'Advance' or any other name different manufacturers come up with) function on the boiler?
Sorry, missed this. Yes as Talldave advised. So you would have a remote programmable thermostat with you in the living room etc as posters suggested. This timer switch would override it only for the time it is set to. That model is adjustable up to two hours, so you could choose the exact time period to suit the situation.
Worth mentioning that some of Vaillant's own remote programmable thermostats use their proprietary low-voltage switching system and that would not be compatible with the mains-level timer switch. So your chosen remote programmable thermostat would need to use ordinary 240-volt mains switching (as your existing Danfoss programmer does).0 -
I bought a Nest and got a quote from a heating engineer to fit it and the time delay switch, they're coming back on Saturday to fit
However, I opened the Nest for the first time today to see a huge button on the Heat Link... the one-click override on the whole system in the worst way - continuous!
I guess I can ask the engineer install it away out of sight (there's a pretty inaccessible kitchen cupboard below the boiler that I could drill through), assuming the WiFi signal is strong enough.
The other thing - the Nest has the motion sensor. Placed in the living room, could this replace the need for the time delay switch? I'm not sure how the sensor controls the Nest in a practical way.0
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