Wiring Diagrams - Honeywell Home Heating Controls FAQ T6360 Room Thermostat Wiring & Operation FAQ Wiring Diagram S Plan Pump Overrun (ST9400 and DT92E) FAQ Wiring Diagram S Plan FAQ Wiring Diagram S Plan Plus Pump Overrun (ST9420 and DT92E) FAQ Wiring Diagram Combination Boiler (ST9120) T4 Additional Wiring Diagrams LYRIC T6 Additional Wiring Diagrams V4043 Zone Valve S Plan OperationSt9100c 7 Day Single Channel Time Switch · Useful Links · Temperature TPI Control · Product Apps How To Wire In Room Stat - No Wiring Diagram Available The 'switched live' leaving the room stat will go to the 'white' wire of the 3 port valve. (again it may go via the terminal box) It is when power is supplied by the room stat to the valves white wire that drives the valves motor up to the mid position. T6360B Room Thermostat Wiring & Operation PDF fileT6360B Room Thermostat Wiring & Operation FAQ Sheet How do I wire a T6360B room thermostat? Wiring diagram of T6360B terminals on T6360B The picture above left shows the diagram that is printed in the installation instructions. It is a diagram drawn to I.E.E. guidelines. The picture above right is a photograph of the actual thermostat terminals.