Recent content by exfi01

Thanks , Is below correct and how do I feed 1- Live input to Thermostat

Hi DP/ @stem , I can do the basic plumbing & electrics but not expert enough to install motorised valve. Please see the link below where someone is able to successfully able to configure with my setup (except Thermostat) with Mini Programmer settings. The only thing which I need is In...

Hi Ian, I have Basis System3 on current ST699 (with Kingfisher Potterton with Thermostat), could you please help me in mapping wires to ST9400C. Thx

Hi DP, Is there a way where I can use ST9400C where I just need thermostat and Boiler & pump functionality as currently working OR even with limited capability. Also found diagram of my installation.Thx

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Hi Stem, Going back to this thread, I have identified all the cables as below and just need to confirm 2 points Is PUMMP(L) & Yellow from Thermostat go in 4 (ST9400C) Existing 3 (Red from Thermostat) - where does it go in ST9400C

Yes, even that is puzzling me. rechecked the wiring in boiler

I have checked the wiring in Boiler and located back to the controller before marking in my previous post

Please see updated diagram

I meant the old ST699, which had been working intermittently, but it has now stopped working completely. I am therefore planning to replace it with an ST9400C.

Hi Denso, I am facing similar issue and posted on another thread https://www.diynot.com/diy/threads/replacing-st699-with-st9400c.651568/

Later I would configure ST9400C as Mini-Programmer

Hi, Since Last time my existing ST699 worked after cleaning terminals, now it's not working. I have attached complete wiring diagram. Can someone please confirm if it's correct.