Interested in this as part of the npower deal at the moment....
Can you control it away from home, or only when on the WiFi network it's attached to?
Can anyone explain the advantage of your thermostat knowing the temperature outside? I looked at the Worcester Wave (only out of curiosity, as I don't have a Worcester boiler), and the promo video says it "increases the temperature of your boiler when it gets cold and decreasing it when it warms up again"... I'd like to think all boilers generate more heat when it is cold and less when it is warm, though more specifically when it is warm or cold inside rather than outside. I guess the Wave can better manipulate the gas flow in the boiler, but I wonder about "generic" thermostats that are not designed for a specific make of boiler.
I can't explain, but I can quote the marketing material for the Worcester Wave.Can anyone explain the advantage of your thermostat knowing the temperature outside?
Modern condensing boilers are most efficient when the water temperature in the system is low. Weather and load compensation reduce water temperatures and therefore increase efficiency, without compromising user comfort.
Unlike many other smart controls on the market, the Wave Smart Thermostat boasts load compensation; taking into account the current room temperature and only firing the boiler at the necessary level for more efficient use of fuel, to maintain peak efficiency levels.
If you want it to be 20c at 6pm and it is -1c outside, it will take longer to get the house to 20c then if it was 10c outside so the thermostat will kick the boiler in earlier.
Thanks, my Dad's a plumber by trade so made the recommendation (and wangled a good deal on it!) in line with what I'd read on here. Was worried the 29 would be a bit down on power, but it's doing an admirable job of heating and supplying hot water. Amazing the amount of stuff we ripped out too!
Right, gotcha. So the Heatlink gets it's 240V from the boiler, just looking at the 29CDi instructions and I can see Ls and Ns (live and neutral supply) going out to an external control option. So that powers it.
Then, coming back from the Nest there's a LR (live return) (3) that goes into LR on the boiler. Then I just do a small bridge from the L to (2) on the Heat Link.
Happy to run the stat wirelessly, the existing stat wiring goes to the kitchen where the boiler used to be. It's now in the loft, where I've only got CAT6 running. That said, it's <12v and CAT6 runs 48v POE... meh, wireless!
Hi, this has been really useful, thank you. I too have a 29CDi and have installed my nest thermostat this week.
However, I have run into a problem which you may or not have some advice on! When the thermostat senses that the temperature falls below the desired temp, the heat link receives the signal and a mild "click" can be heard coming from the heat link. The boiler then doesn't react at all. The same can be said when temp reaches the setting on the thermostat.
The boiler is set to "always on" and is just running based on the dial on the boiler panel.
if anyone can offer any advice or troubleshooting tips, it would be most appreciated. Failing that, I may be returning the nest back to the shop - I'm 100% sure it is wired correctly.
Thank you.
Also if I put it the wall how is the device powered? Can it pull power from the heat link?
Have you removed the faceplate/timer from the boiler?
I wired mine up to my newish Worcester Bosch and it was fairly easy - although I reused the existing wire although I did check where it terminated in the boiler.
It only uses two cables and is wired up using standard flex (you can get this from b&q), if you have the boiler manual it should be fairly straightforward to do.