08.04.2021
67 / 116
CONDENSINOX -
Installation, Use and Maintenance
MB DB
}
LPB Bus
Diagram: CX11
page 4 / 10
Boiler no. 3:
INFORMATION:
If the isolation valve is not equipped with an automatic reset, connect the
isolation valve Q1.3 close contact to L3.
L2
N L3
N
L3 L1
N
QX2
QX3
QX1
230 VAC 50 Hz
power supply
}
}
Alarm
relay
Isolation
valve Q1.3
AVS75
QX21
N
QX22
N
QX23
BX21
Gnd
BX22
Gnd
H2
Gnd
}
}
Module 1
Heating circuit 1 circulating
pump Q2
}
Heating circuit 1 mixing
valve Y1/Y2
}
Regulated circuit flow sensor B1
2
1
ON