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nest

  1. P

    Wiring NEST 3rd GEN to Y-Plan, check my wiring please

    Hey guys, My wife and I have recently moved into a new house this month, and in doing so had the whole house rewired. The electrician came and removed pre-1977 Steel cable from the home and replaced the whole mains. In doing so he has removed all of the bottom side of my Honeywell 10 way...
  2. S

    Wiring 2nd Generation Nest Heat Link to Baxi Duo-Tec 28 HE a

    Hi all, I think this is be a fairly simple job but just want to make sure I'm doing what I think I should before I go ahead with it. I need to install a wireless Nest thermostat (so not connected directly to the boiler). I have a Baxi Duo-Tec 28 HE a combi. Currently I have a Salus wireless...
  3. B

    Nest install - Earth Wire Query

    Good afternoon, We have had our nest and heatlink installed for about a week now and its all working like a dream. We just did the install ourselves and it went without a hitch replacing the old Danfloss programmer with the heatlink. My question is that there is nowhere on the heatlink to...
  4. yiannig1

    Ideal iStor - Installing Nest 3rd Gen

    I have an Ideal iStor HE260 and have just purchased a 3rd gen Nest Thermostat. However, I'm a little confused as to whether the nest can control my boiler's hot water. The Nest documentation (and customer services) state that the Nest cannot control DHW on combi boilers. However, my...
  5. N

    OpenTherm with Multiple nests on underfloor heating

    I'm in the process of upgrading the controls of my heating system. (Unvented S plan with 2 heating zones) So far I have swapped the old fashioned room stat for a nest/heat link to control the zone valve for the upstairs zone which is a trad radiator system. That all works BRILLIANTLY! So the...
  6. M

    Replacing Drayton MiGenie with Nest

    Hoping someone can help. Currently have a Drayton MiGenie which was a pleasure to fit due to it being the same fitting as the previous timer, but it's awful and support is always down, so have ordered a NEST V3, but I am stumped. Can anyone point me in the right direction for rewiring? We have...
  7. Rae carter

    Nest hot water only when radiator is on?

    Hi I am trying to set up a nest 3rd generation on an ariston microgenus combi boiler. I have got the system test and the radiators come on when tested. The odd occurance I have is that the hot water taps only work when the radiator is on for heating. When the radiators are set to off the water...
  8. N

    Nest 3rd gen query- how to install heatlink into Honeywell ST900 thermostat that has been removed

    Hi I am sorry for resurrecting this issue but I am a bit lost and need help. Have a nest 3rd gen heatlink and I am replacing the current thermostat, a Honeywell ST900. I have connected the L /N correctly and the heatlink powers up but the pickle I face relates to the 2 wires coloured black and...
  9. G

    Nest Thermostat and Biasi M96.24 Combi Boiler Install issue

    Hi All, I have recently purchased a Nest to install alongside my combi boiler. My boiler currently does not have a thermostat, it has a timer / controller on the boiler that I use to turn on / off the CH. The thermostat connections on the boiler are 'volt free' and currently there is simply a...
  10. N

    Nest query again!!

    I have installed the nest replacing Grasslin control box and Honeywell thermostat. I can only get hot water and heating when the nest thermostat isn't connected. Any suggests??
  11. N

    Nest install / wiring question

    I’m looking to self install a Nest Learning Thermostat on my Worcester Bosch 280 boiler. The wiring looks straight forward, but I just wanted to sense check before I go ahead. The boiler doesn’t have a stat currently, so on the stat section has an unused N connection. 1 & 2 are jumpered (2 shows...
  12. D

    Honeywell to Nest replacement can you help?

    Hi all, I'm installing a new Nest heating and hot water thermostat and I'm trying to identify the 'call-for-heat', 'common' and 'satisfied' wires in my existing Honeywell ST9100A hot water control so I can switch them to the Nest. Can anyone help please? Many thanks!!
  13. M

    Nest and enforcer.....timed heating

    hi this morning my alarm went off while my house was heating up in the morning. The downstairs zone was active and we where in bed. Has anyone had issues with timed heating causing the alarm to go off. I checked the logs, it was the lounge senor that was triggered. To add to the mix my wife...
  14. J

    Nest 3rd Gen Installation onto Alpha 28c

    Hi All, I have recently taken delivery of a nest 3rd generation and fairly confident in installing it but for my own clarity can the following be confirmed for me. Currently have an alpha 28c boiler with the alpha receiver plumbed into it as below (attached) Now the wiring the diagram matches...
  15. T

    Nest 3rd Generation Heat Link installation

    Hi, I'm trying to install a Nest Heat Link it to link to my Potterton Promax SL boiler, and worried I don't fully understand the wiring on the back of my old programmer! I figure it should be fairly straightforward to swap over from my old programmer to the Heat Link, from seeing similar...
  16. B

    Nest, time for a professional?

    Hey all, I've read numerous threads on here about installing Nest 3rd generation into the home (such as this good one - kudos to @stem). I'm really tempted to do this myself but my wife will kill me if I screw up the heating at this time of year! If anyone can give me some pointers, it would...
  17. N

    Boiler Cycling - Nest Thermostat

    I recently installed the Nest Thermostat in my house. Since then I have noticed that my boiler seems to Heat for 10-20 mins and then shut off, then rest for 10 mins and then repeat. This to me seems incredible ineffecient. I cannot tell you if it done this before of whether this is a new thing...
  18. F

    Ideal Logic Combi to Nest 3 connection…

    Hi, Merry Christmas to all. I hope I can enlist the help of some of the kind experts who read these pages. If this post seems familiar I posted something similar a few weeks ago about connecting my boiler to a Hive system. I am now in the process of swapping the Hive for a Nest 3 so my...
  19. W

    Please advise- Drayton SCR/ Digistat RF to Nest installation

    Hi, I am installing a Nest onto a Worcester 25Si combi. It is to replace a Drayton SCR/ Digistat +3RF. I wanted to double check the wiring- ie. can I swap it like-for-like? Wiring, as shown in the pics (http://imgur.com/a/Ri7GW), is currently: Blue- N Brown- L Black- 1 (C) Grey- 3 (Call) Earth...
  20. J

    Nest generation 3 to valiant ecotec pro 28

    Hello, I have a year old valiant ecotec pro 28 boiler fitted with a wireless salus thermostat. I want to swap out the salus unit and install the nest system. Ive read loads of forums and still not quite shore what terminals to connect to, could anyone offer a simple diagram or pictures of what...
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