Search results

Thanks, yes it's definitely twin channel. I'm really stumped then :unsure:

Looking at page 26 of this: https://www.draytoncontrols.co.uk/sites/default/files/DL_Installer%20Handbook_40pp%202020%20FINAL%20WEB.pdf Am I correct in saying that I need to add a link wire between positions 2 and 3?

Thank you for your replies. I'm not really sure what to do. It's definitely wired the same as I replaced the backplate to accommodate the two zone wiser unit, which didn't work as per my original post. I then put the Honeywell unit back on the wiser backplate and everything works perfectly...

Hi all - I'm looking to replace a Honeywell ST9400C with a 2-zone Drayton Wiser. The Honeywell controls the heating and hot water and has the following wiring: I thought I could simply remove the Honeywell and replace it with the Wiser unit without changing the wiring but clearly not as the...