Front View Of The Panel (Fig. 11); Diagram Of The Terminal Block Electrical Connections - Ferroli PREXTHERM RSW Serie Instrucciones Para El Uso, La Instalación Y El Montaje

6.1.1 Front view of the panel (Fig. 11)

Key
1 System pump ON switch
Burner ON switch
2
3 Boiler ON switch
4 Test button
Safety pressure switch reset button
5
6 Boiler water temperature
7 Boiler ON LED pilot

6.1.2 Diagram of the terminal block electrical connections

(*) Only LV panels
(**) Only 3-Stage LV panels
L
N
Control panel power supply
3
Burner power supply
4
5
1 phase thermostat
st
6
7
1 phase thermostat
st
8
9 Shutdown pilot
10 2 phase operation pilot
nd
11
System pump power supply
12
EN
50
PREXTHERM RSW 92N ÷ 600N
8 1 burner stage LED pilot
st
2 burner stage LED pilot
9
nd
10 Burner block LED pilot
11 Safety pressure switch LED pilot
2 stage TR1 thermostat setting
12
nd
13 1 stage TR1 thermostat setting
st
14 Space for temperature controller
13
Remote boiler start
14 (jumper if not present)
15
Remote boiler safety
(jumper if not present)
16
17
Room thermostat
18
19
20 Signal for anti-condensation pump
21
22
3 phase thermostat
rd
23
cod. 3541P130 - Rev. 00 - 02/2018