sunvic room stat

[birchway]

been trawling the net for ages now can u guys help out, i have purchased the dreaded Sunvic Tlx 4101 room stat and i am strugglin to wire it.
i have it working but in reverse.boiler fires up when i turn stat down and goes off when turn stat up.

I have 3 wires red , blue and yellow.
red i have connected to 2 com, blue to 1 dem and yellow to 3 sat.

any help would be appreciated, i know this topic has been covered before but I cant make head nor tail of it


cheers

 

[nozspark]

It sounds like you have the DEM (demand) and SAT (satisfied) wires crossed. Try them the other way round (just leave Red in COM)

 

[birchway]

It sounds like you have the DEM (demand) and SAT (satisfied) wires crossed. Try them the other way round (just leave Red in COM)

just done that noz and seems to be working, but im sure i tried that combination before and it didnt work.

but anyway thanks for the speedy info