Recent content by Canon

Following the yellow cable from 2 back to its source, the red from the same source goes to 9 on the long vertical block connector, marked by my red arrow on the picture below. The blue goes to the smaller, horizontal block connector, out the other side of which is a further blue wire that heads...

Its a glow worm Ultracom 30hxi boiler. I can't directly trace the wires, they disappear into a concrete wall in the hall, I assume head vertically up to cross and come back down into the utility room where the boiler sits. Taking the cover off the power unit to the boiler I can't determine if...

Instead of buying (and blowing the fuse on) a meter I have used a 60W bulb; neither combination of red and blue, or yellow and blue wires light the lamp. How the existing thermostat works is a new mystery. I will seek professional help, thanks to all of you who have responded.

Old stat is back and working. Have just wired new one into a plug and it works (hooray & phew), see photos: Would it be worth me buying a meter to see what is happening at the red and blue wires coming out of the wall? Really appreciate your continued advice.

Hi, I'm not using an underfloor sensor (yet) and at the moment there is no display or life to the unit at all, so I'm not able to reconfigure the advanced parameters. I hope I haven't blown it up by wiring it up wrong the first time - is there a way I can check? I can't confirm the wiring is...

Many thanks for the Hint, I had seen that post but still not bright enough to figure this out I'm afraid. I have now got Yellow to Load, Blue to Neutral and Red to live but the unit will not power up :( It might be time for me to pay a professional.

Hi I know this question has been asked before on this forum but I am still uncertain of what to do. I am replacing an old analgue room thermostat with a Syxthsense SST-A230-304 digital one http://www.syxthsense.com/product/product_pdf/TH6.90-STT.pdf Having taken off the old thermostat I...