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  1. S

    How easy is it to install a Nest Thermostat?

    Hi all, I've just moved house, and have found that the new place has a more traditional thermostat than my previous Hive setup. I'm aiming to replace the existing Potterton Mini Minder E and British Gas RS1 for a Google Nest Thermostat. I'm in the 'plan and investigate' phase of thinking...
  2. D

    Wiring nest thermostat, I'm missing something obvious here!

    I've had a look at the likes of the following: In summary - run a 5 core from viessman boiler to a nest heatlink. Live and neutral to power it, then 2 cores for the control of it (plus earth). All good, but I can't see a mains out from my boiler? And it matches the board on that YouTube video...
  3. D

    Nest 3rd gen thermostat power supply

    Hi, I've got the thermostat nowhere near the heatlink to supply 12v, so currently using the usb power supply. This means that it's cannon fodder for a toddler... I was hoping to wall mount it and supply it from a light switch via a 12V transformer mounted in a back box behind it. Would supply...
  4. C

    Nest Thermostat - vacation home setting - hot water / heating

    Dear community, as the Pro Nest are too fare away from my place in Italy, I am seeking here for advice. The actual work will be done then by my local electrician - I am a DIY. Goal: I want to install a Nest 3rd generation learning thermostat (not the thermostat E) including heat link to my old...
  5. E

    Nest thermostat e installation

    Hi I want to replace my current Honeywell CM927 with a Nest e. I'm having some trouble identifying the correct wiring. Please see pictures of current receiver I want to replace with the nest e heat link. Any advice and instructions would be greatly appreciated.
  6. Loki

    S-Plan & Nest

    Hi, I’ve been trying to get a better understanding of wiring up heating systems & multiple Nest thermostats for dual zones. So I’ve used Microsoft Visio & created a wiring diagram. I think it looks ok & would work but I would like a second opinion? If it is ok then I will file this away on...
  7. sythai

    Nest Smokes (heat?)

    Hi Guys Just seeing if anyone knows for definite if Nest have a heat capability or not yet? Have a new build coming up which obviously needs smokes & heat ? And they have specified Nest throughout. I'm thinking not possible yet and doubt very much they'd be a way of linking into an Aico heat...
  8. M

    Blew The Fuse Connecting NEST to Mains

    Hello. Hopefully someone can help. My underfloor heating died recently (due to the heating mesh rather than the wiring) and I can't fix it without lifting the floor in the bathroom. So I have a useless control panel on the wall that I no longer can use and wanted to mount my Nest there...
  9. D

    Wiring a nest into combi boiler, job for a diy'er?

    Appreciate this might be a bit impossible to answer since you don't know how (in)competent I am, but for someone who can wire switches, light fittings, fcu, various common 'simple' bits, is wiring a nest thermostat into my combi boiler something I can do or is it a big no-no? As with any of my...
  10. C

    Google nest heatspot

    I am replacing my thermostat with this system it was an old Siemens one. It only had 2 wires connected. L and Y1. How do I connect this into the heat spot? Connections available are C MO FP OT1 OT2 Thanks.
  11. C

    Vokera linea 24 Nest install

    Hi all, I have a Nest stat, heatlink mounted and has a 4 way & earth connected with a separate 2 way connected. 2 way to go to wall stat T1 & T2 12v from the heatlink. Earth to earth Heatlink L to L on boiler Heatlink N to N on boiler Question is 2 & 3 on heatlink ( i think are supposed to...
  12. T

    Nest learning (3rd Gen) Wiring. Please help!

    Hi, I am located in Middle East and plan to install 2 of Nest Learning Thermostat (3rd Gen) on my Apartment. Current thermostat installed is HoneyWell which control Heating/Cooling and 3-Speed Fan (for exhaust vent?). I have attached the photos to show the actual wiring at the back of...
  13. C

    Nest learning thermostat

    Hi, I went to a job yesterday to install 2 x nest smart thermostats on an S plan system with 2 heating zones. when I took the cover off the wiring centre the cables from the central heating zones, cylinder stat and hot water were pre made plugs that clip into the circuit board as opposed to...
  14. J

    Nest (Gen 1) Install - Wiring Help

    Hello! I'm new so go easy! I have a Nest module (Gen 1) that I want to use to replace a Schneider Electric Thermostat TC303-3A2. I'm just not sure if: A - The Nest is even compatible with my current Air Conditioning system B - The wiring pictured below can be modified safely to host a Nest...
  15. I

    Nest heat link wiring help

    Hi Everyone, I have few electrical jobs to do for my client and one of them to fit Nest Thermostat 3d generation. I decided to give a go as I haven't done much wiring for heating system in the past. But willing to learn. The boiler is Glow worm Ultracom 15hxi. I thought i would need to simply...
  16. W

    Nest heat link

    Hi all! Im about to install a Nest 3rd Gen thermostat and was hoping members could offer some advice before I start. I have a Y plan CH system; boiler in the garage, timer and fused spur in the kitchen, CH thermostat in the hallway, and pump, wiring centre, and 3-way valve in the upstairs...
  17. M

    Turn on central heating when no wifi with Nest system ?

    Hi, My daughter's wifi has gone down, all of south west London Virgin users have no wifi for past 3 days due to someone cutting a cable. She has just moved into a house with Nest installed and is using underfloor heating to get heat. Does anyone know how to manually turn on the heating with...
  18. M

    Nest heat link wiring

    So I’ve bought a nest 3rd gen to add to my old valiant boiler.My brother is quite handy with electrical stuff and such so I asked his advice for wiring. He said this . From what I can tell the Nest Heat Link (controller) has identical wiring, so you’d just need to replicate the wiring that...
  19. S

    Nest voltage question on Transformer

    Hello all, I'm in the UK and I'm looking to fit a 'Hello Nest' Doorbell. In the setup instructions it includes the attached screen shot (nest-screenshot.png), asking what the Voltage and Power rating are on your transformer. My current doorbell is mains powered, (see other attached file...
  20. Y

    What cable is required for Nest HeatLink?

    What cable do I need to connect a Nest HeatLink to my boiler (Ideal Mexico)? A description would be useful, a link to an actual sales site even better. Nest customer service seemingly are unable to answer this question. Although they provide instructions in diagrammatic form for DIY...

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