Ferroli PREXTHERM RSW Serie Instrucciones Para El Uso, La Instalación Y El Montaje página 57

PREXTHERM RSW 92N ÷ 600N
Connection diagram for the base control unit (part 2)
cod. 3541P130 - Rev. 00 - 02/2018
1 SAFETY-LOOP
Jumper if there's no other enabling safety
signal for the system
2 - (4B1) Boiler water feed temperature sensor
Use NTC 10K probe
3 - (4N1) Operator unit panel
AVS 37.294
EN
57