Wiring Diagram - Ferroli PREXTHERM RSW 92N Instrucciones Para El Uso, La Instalación Y El Montaje

Wiring diagram

48 EN
PREXTHERM RSW N
1 - (S1) Remote start enabling
signal
2 - (TS1) Boiler safety thermostat
3 - (S2) External safety enabling
signal
4 - (TR1) 1st boiler flame thermo-
stat
5 - (SA2) Burner ON switch
6 - (N1) Digital thermometer
7 - (B1) Boiler water temperature
probe
8 - (SB1) Test thermostat button
9 - (TR2) 2nd boiler flame thermo-
stat
10 - (TR2) 3rd boiler flame thermo-
statONLY FOR 3rd FLA-
ME PANEL
11 - (XT1) Anti-condensation pump
management
tONLY FOR LOW-TEM-
PERATURE PANEL
12 - (S3) Room thermostat
13 - (TR3) Thermostat
14 - (SA3) Circulator ON switch
15 - (P1) Water circulation pump
16 - (SA1) Boiler ON switch
17 BURNER
TIONS
17 - (17/a) Burner block
17 - (17/b) Second flame
17 - (17/c) 1st flame enabling signal
17 - (17/d) 2nd flame enabling signal
17 - (17/e) Burner power supply
17 - (17/f) 3rd flame enabling signal
contac-
CONNEC-
A73020801