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00BNO9168-I (U0606551)
VARMAX -
Installation, Use and Maintenance
Diagrams: VX210 / VX220
page 2 / 8
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
}
}
}
}
}
}
External sensor B9
Diagram VX210:
DHW sensor B3
Flow sensor in
cascade B10
Alarm
relay
Diagram VX210:
DHW circulation pump Q3
Diagram VX220:
Direct circulation pump Q15
Insulating
valve Q1.1
Diagram VX220:
Shunt to install
INFORMATION:
If the insulating valve is not fitted with an automatic reset, reconnect the
Q1.1 insulating valve closing contact on Y2.
}
LPB bus
Gnd UX3 Gnd UX2
MB DB
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).
B. NECESSARY ADJUSTMENT ACCESSORIES
Quantity
Appliance
reference
Order No.
Extension module kit (delivered with a
QAD 36 network sensor)
1
AVS 75
059751
Communication kit
2
OCI 345
059752
Network sensor kit
1
QAx 36
059261
(QAZ 36)
059592
(QAD 36)
DHW sensor kit
(diagram VX210)
1
QAZ 36
059261
External sensor kit
1
QAC 34
059260
C. CUSTOMER ELECTRICAL CONNECTION
Boiler No. 1: