Nest 2wire Diagram. Nest thermostat e wiring diagram. There will be principal lines which are represented by l1 l2 l3 and so on.
Buy me a coffee. 230 v combi boilers page 20 low voltagedry contact combi boilers page 21 s plan page 22 y plan page 23 opentherm boiler page 24 district heating with electrical control valve page 25 general specs terminal specification notes l 230 v ac50 hz mains voltage live wire n 230 v ac50 hz. Custom wiring diagram that you will need to install your nest thermostat.
In rare cases a wire may be in the wrong thermostat connector which can cause your system to malfunction.
The nest app and home app will also let you know if your system is compatible and give you a wiring diagram for installation. Print the wiring diagram off plus use highlighters to trace the signal. The nest thermostat wiring diagram gallery. At times the wires will cross.