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00BNO9168-I (U0606551)
VARMAX -
Installation, Use and Maintenance
C. CUSTOMER ELECTRICAL CONNECTION
Boiler No. 1:
L
N L3
N
L3 L
N
QX2
QX3
QX1
BX2
Gnd
BX3
Gnd
B3
Gnd
B9
Gnd
H1
Gnd
H5
Gnd
Mains supply 230
VAC 50 Hz
}
}
}
}
Alarm relay
Analogue input
0...10V
Insulating
valve Q1.1
Flow sensor in
cascade B10
INFORMATION:
If the insulating valve is not fitted with an automatic reset, reconnect the
Q1.1 insulating valve closing contact on Y2.
Boiler No. 2:
INFORMATION:
If the insulating valve is not fitted with an automatic reset, reconnect the
Q1.2 insulating valve closing contact on Y2.
Diagram VX211
page 2 / 6
}
LPB bus
MB DB
Gnd UX3 Gnd UX2
If an external management
system (e.g. PLC) or a
command
pump
(boiler,
heating and/or DHW circuit)
is connected, refer to § 9.4 for
the specific configuration).
Содержание VARMAX 120
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