50
IT
MEGAPREX N 720N ÷ 1060N
cod. 3541O220 - Rev. 00 - 03/2018
6.1.3 Wiring diagram for burner and single-phase pump
Wiring diagram
1 - (S1)
Remote start enabling signal
2 - (TS1)
Boiler safety thermostat
3 - (S2)
External safety enabling signal
4 - (TR1)
1
st
boiler flame thermostat
5 - (SA2)
Burner ON switch
6 - (N1)
Digital thermometer
7 - (B1)
Boiler water temperature probe
8 - (SB1)
Test thermostat button
9 - (TR2)
2
nd
boiler flame thermostat
10 - (TR2) 3
rd
boiler flame thermostat
ONLY FOR
3
rd
FLAME PANEL
11 - (XT1) Anti-condensation pump management con-
tact
ONLY FOR LOW-TEMPERATURE 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 CONNECTIONS
17 - (17/a) Burner block
17 - (17/b) Second flame
17 - (17/c) 1
st
flame enabling signal
17 - (17/d) 2
nd
flame enabling signal
17 - (17/e) Burner power supply
17 - (17/f) 3
rd
flame enabling signal
Summary of Contents for MEGAPREX N 720N
Page 11: ...11 IT MEGAPREX N 720N 1060N cod 3541O220 Rev 00 03 2018 Schema dei collegamenti ...
Page 31: ...31 IT MEGAPREX N 720N 1060N cod 3541O220 Rev 00 03 2018 Esquema de conexionado ...
Page 51: ...51 IT MEGAPREX N 720N 1060N cod 3541O220 Rev 00 03 2018 Connection diagram ...
Page 71: ...71 IT MEGAPREX N 720N 1060N cod 3541O220 Rev 00 03 2018 Schéma de connexion ...
Page 91: ...91 IT MEGAPREX N 720N 1060N cod 3541O220 Rev 00 03 2018 Схема подключения ...
Page 104: ...104 IT MEGAPREX N 720N 1060N cod 3541O220 Rev 00 03 2018 Fig 5 Fig 6 5 2 1 4 3 6 Fig 7 ...
Page 107: ...107 IT MEGAPREX N 720N 1060N cod 3541O220 Rev 00 03 2018 Fig 13 ...