Perhaps the Blue neutral wire is connected into the plug socket. There is definitely no Blue wire where the thermostat is. Just 1 Black, 1 Brown, 1 Grey, 1 Yellow/Green.
This is tricky.... seems it is baffling others as well since no engineers have responded
So here is the current situation. The Tado thermostat is currently connected to the Baxi Assure 36 Combi Boiler using Relay as you can see from the pic below. The Brown wire is in the NO terminal and the Black wire is in the COM terminal in Tado smart thermostat. There is no need for a Live and...
The Myson MPRT thermostat connects to a Baxi assure 30 combi boiler.
There are 3 batteries in the thermostat. Tado also has batteries to power the thermostat. I am hoping I can connect the two wires in the Myson thermostat to the NO and COM connections as shown in the Tado manual. Let me know...
I need some assistance understanding which wire from my current thermostat Myson MPRT which has two wires. There are no labels on this thermostat and I'm supposed to put the wires in the COM and NO connections.
The MPRT instructions are no help either...