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00CNO0192-E (U0627512)
CONDENSINOX -
Installation, Use and Maintenance
MB DB
}
LPB Bus
AVS75
QX21
N
QX22
N
QX23
BX21
Gnd
BX22
Gnd
H2
Gnd
}
}
}
}
Module 3
Regulated circuit flow
sensor B14
Heating circuit 3 mixing
valve Y11/Y12
Heating circuit 3 circulating
pump Q20
Diagram: CX11
page 3 / 10
Boiler no. 2:
INFORMATION:
If the isolation valve is not equipped with an automatic reset, connect the
isolation valve Q1.2 close contact to L3.
L
N Y1
N
Y2 L
N L
N L
N
QX2
QX3
QX1 AUX2 AUX1
230 VAC 50 Hz
power supply
}
}
Alarm
relay
Isolation
valve Q1.2
2
1
ON
}
Direct circuit
circulating
pump Q2