No eye. I had it surgically removed. It’s now somewhere.. else.
I’m trying to think of the best way of describing it.. excuse me if this is a bit rambling!
So from a user control point of view it’s fairly simple. The absolute basic setup would be a A single Smart Thermostat which is wired into the boiler and that simply turns heat on or off for ALL radiators if the temperature drops below the set point.
The radiator valves add zones.. so there are 13 radiators in my house (mostly 1 per room but one room has 2, more on that in a min). Now when you add in these “TRVs” they add an extra zone into the system, so in my situation I have 5 TRVs downstairs and if one of those has a set point higher than the temperature in the room it’ll get the Smart Thermostat to call for heat, and it’ll use a servo to open that radiator so hot water will flow to it, while the other ones remain cold. So in indigo you’d have a Thermostat device per zone to set the set point and monitor the temperature in that room.
Now in addition to this my lounge has 2 TRVs. One is set as the measuring device for the temperature and the other one just mirrors it’s actions, so if one opens to heat the room up the other one will too.
And finally then there’s hot water control to ask the system to heat effectively another zone. Nothing exciting with that one.. it’s just simply on or off.
In my house I also have another wired zone upstairs which means I have another Smart Thermostat wired in to control it’s radiators hot water, and a different set of TRVs for controlling individual radiators there.
Does that all make sense? Just think of it as having a thermostat per room..
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