Navien KDB-353 STC - Thermostat Fixing and Wiring

1. Connect rmly the room controller wire (2 Line) from the boiler, to the room controller port in the back
of the room controller.
2. Connect rmly the telephone wire to the telephone port in the back side of the room controller.
3. Fix the room controller rmly on the wall, using the room controller bracket or socket.
4. Wiring
9
Fixing & Wiring
To the socket on wallOn the wall
controller
telephone