Recent content by Grinzola

Thanks used his video Had to change the cable as was using green/ Yellow as switched live No have 4 core cable with new connectors crimped on and labelled correctly

Appears to work now Thanks for help

So conne ted the switched terminal ro B on the t3r Wireless conne tonight is working as when I call for heat the t3r clicks and says on but nothing happens on the heatpump From the thermostat Live conneted to terminal 14 Neutral to terminal 15 and what was connected to earth on the optima is...

4 core cable ordered Then u will look at it again Thanks

Pics as requested I only have 3 wires coming in The old board is labelled N L OUT1 OUT Last pic is the T3r

This is what I found when I opened the optima remote unit I agree about the 4 core cable What is. On fusing is that this setup worked with the optima before it gave up With the live being looped to one side of the switch But it doesn't work on the T3r Should there not be a neutral running to the...

Looking for some guidance Lg Therma V heat pump had an optima wireless programmer which died Want to replace with a T3r Wired the same way earth neutral and then live with live bridged which work but there is no Neutral to switch Some photos Not my wiring !!! I assume it just needs a neutral...