nest 3rd generation heatlink install

  1. S

    Nest E with Baxi Duo Tec and receiver in loft?

    Hi all - hope someone can advise. Looking to buy a Nest E and wondering if the heat link can go in our loft space next to the boiler? We have a Baxi Wireless 7 Day Programmable Room Thermostat at the moment and the RF receiver is in the loft next to the boiler so I assume the heat link would...
  2. D

    Nest Wiring issues 3rd Generation

    I have a Nest 3rd Generation heatlink and thermostat which is connected to a y plan system that includes a Baxi solo boiler, grundfos pump and a Drayton mid point actuator all wired as labelled through a Drayton LWC1. My issue is that regardless of what I do the heating is on. The thermostat is...
  3. A

    NEST Thermostats Installation

    Image by A-J-P posted 6 Apr 2021 at 2:39 PMEF8D30D6-A19C-4199-AE01-91F196EF1A9D by A-J-P posted 6 Apr 2021 at 2:39 PMB3851C9F-408D-45A1-AC33-10150AE47EBE by A-J-P posted 6 Apr 2021 at 2:39 PM1DF1C3F7-7CDF-44BA-817D-CC6F02558549 by A-J-P posted 6 Apr 2021 at 2:39 PMImage by A-J-P posted 6 Apr...
  4. B

    Are my 2-Port Valve wired incorrectly? Kettling problem.

    Greetings all. I'm after a bit of advice as we have an issue with our HW kettling and on closer inspection the wiring on our 2-port Valves looks a little suspect to my untrained eye. Background: The house was built in 2001 and has an 'S' CH/HW System installed. If the HW is on and the CH is...
  5. J

    Nest Thermostat E Heatlink installation (replacing Strom receiver for Valliant ecoPure Plus)

    In the attached photos you can see the wiring and wiring diagram of the receiver I am looking to replace with my Nest Thermostat E Heatlink. My question is around the Common connection. As you can see I have a jumper from L to COM. Am I correct to believe that I should use L (brown wire) as...
  6. Joey-D

    Replacing Horstmann Channel XL thermostat with Nest

    Hi I am attempting to replace a Horstmann Channel XL plus with a Nest thermostat. I have not been able to find a wiring diagram for this particular Horstmann model. I can find the diagram for the series 2 but that appears to be different. I was expecting to see a wires as below: Earth (empty)...
  7. S

    Installing Nest Heatlink to replace Danfoss 4033 & Honeywall Thermostat

    Hi, I am new to this forum and find it really useful. Hoping to get more info from anyone who can share information on how to wire my new Nest 3rd gen learning thermostat and heatlink to my Danfoss 4033 programmer. I must confess that i "really" looked up on the heating system after buying...
  8. Harryw66

    How to bypass or override Vaillant Timeswitch 140

    Hi all, Apologies if this is a dumb question but.. I am planning to replace the VRT 30 thermostat connected to my Ecotec Plus boiler with the new Nest Thermostat E. The boiler also has a Timeswitch 140 fitted. So, I was wondering how I can bypass or override the Timeswitch so that I can do all...
  9. M

    Replacing a Salus iT500 RX with3rd Gen NEST and Worcester 30CDi conventional boiler

    Hello, my Salus wi-fi Gateway has finally died and it's time to replace the unreliable system with a Nest. Could anyone advise on wiring the Nest heatlink to replace the iT500 RX receiver unit please? The current wiring is as per the images attached, as follows: 1. Red cable from CH COM to CH...
  10. Pipps

    How to connect two new Nest 3rd gen heatlinks? (photos)

    Two Nest 3rd generation units (PDF) need to be installed for dual zone central heating (but not hot water) with one in the living room (zone 1) and one in the hallway for rest of property (zone 2). The combi boiler is an Ideal Logic 35 which is wired as follows: I have situated both Nest...
  11. S

    Nest 3rd Gen and Vaillant ecotec 624 y-plan system

    Hi - I know there are multiple post regarding Next setup and connection however I'm unable to find any information on my specific issue. I this has been covered, please point me in the right direction. I have a y plan system with a Vaillant ecotec boiler set up with a 3rd gen Nest. When turning...
  12. GothicGeisha

    Sorry it's another nest heatlink problem.

    20190902_004423 by GothicGeisha posted 6 Sep 2019 at 7:36 PM20190901_132656 by GothicGeisha posted 6 Sep 2019 at 7:36 PM20190901_151503 by GothicGeisha posted 6 Sep 2019 at 7:36 PM20190901_175058 by GothicGeisha posted 6 Sep 2019 at 7:36 PM20190901_175110 by GothicGeisha posted 6 Sep 2019 at...
  13. C

    Nest 3rd Gen | Heat Link | OpenTherm | Clicking but no heating

    Hi all, I'm looking for some advice on my self-installation of my NEST 3rd generation thermostat. I previously installed this set-up in my old property which had the same boiler and everything worked. Recently moved properties and set-up the nest again and my issues have begun... Just looking...
  14. D

    Nest Gen 3 installation help please

    Good afternoon, I’ve trawled through a few of the threads on here but unfortunately not found an answer to my specific question, although I’ve definitely learned a lot! I’m looking to replace my existing Siemens RWB29 controller and Honeywell thermostat with a Nest Gen 3. All seems...
  15. D

    Danfoss CP715 programmer To Nest 3rd Gen Thermostat Issues

    Hello, I rarely post questions, as answers to other posts have always answered my question. I'm attempting to replace a Danfoss CP715 programmer with a Nest 3rd Gen. From: Danfoss CP715 Potterton Neatheat Profile Boiler Y Plan config (Honeywell F-5 3 port valve) gravity fed To: Nest 3rd...
  16. M

    Yes, yet another Nest!

    Hi All I recently bought a Nest 3rd Gen and decided to install myself. I'm an Engineer, so thought that it would be a piece of cake (I'm not a heating engineer or an electrician though!) Attached is a pic of my Honeywell ST699 as it was (working perfectly) Attached is a pic of my Nest Heat...
  17. I

    Help with fitting a nest to a Potterton EP3000

    Hi I have a 3rd gen Nest and Heat link that I want to install.. I have an old Potterton EP3000 which looks abit confusing, any help would be appreciative. Thanks in advance..
  18. S

    HEATER 2000W Control with NEST Thermostat

    Hi I have bought the following OIL-FILLED CONVECTOR HEATER 2000W https://www.screwfix.com/p/acova-tag-200-116-s-wall-mounted-oil-filled-convector-heater-2000w/76782 I want to control it via Nest 3rd Generation Thermostat...
  19. R

    Nest 3rd Gen - Heatline Sargon 24 Combi Boiler

    Hello All, First off - My apologies for yet another nest install post. I just dont want to get it wrong and am installing myself. No previous knowledge of boiler work but a family memeber kindly purchased us one for Christmas but I cannot afford for a specialist to do it for me. Within the...
  20. R

    Upgrade Nest to Nest 3rd gen with HW control. Easy?!

    Hi, I would love to get advice on upgrading my Nest thermostat to the Nest version 3 that controls your HW apart from heating. I have the Nest that just controls your heating. My condensing boiler is the Glow-Worm Ultracom 38hxi and the Nest Heat link is connected to the boiler and within 1m...
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