Ferroli TES FC 3V Manual De Instalación Y Funcionamiento página 42

4. Wiring: Connect the cables according to the following wiring drawing
485
communication
interface
Live wire
● This product must be installed by a specialized technician.
Do not connect cables when the unit is active.
● Do not connect the neatral and live wires to the X/Y/E ends.
Otherwise, the wired controller will be burnt.
● Check the wiring before powering on the unit. Wrong wiring
may damage the wired controller.
EN
X A
Y B
E
GND
High Medium Low
PROHIBIT
WARNING
17
Pipe temperature
UP
sensor interface
Valve 1 Valve 2 Neutral wire