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00RNO0333-B (U0625869)
EVO S -
Installation and Servicing
L2
N
L3
N
L3
L1
N
QX2
QX3
QX1
BX2
Gnd
BX3
Gnd
B3
Gnd
B9
Gnd
H1
Gnd
H5
Gnd
}
}
Diagram: VF11
page 2 / 9
}
}
C. CUSTOMER'S ELECTRICAL CONNECTION
}
Module 1
AGU 2.550
n° 1
}
Module 2
AGU 2.550
n° 2
on
on
Boiler No. 1:
}
}
L
N
PWM
GND
Boiler pump, if
supplied by IDEAL
}
AGU 2.550
n° 1
AGU 2.550
n° 2
230 VAC 50 Hz
power supply
External sensor B9
Alarm relay
DHW pump
Q3
B3 DHW sensor
Cascade cylinder outlet
sensor B10
Boiler
pump, if
supplied by
customer
U+
BX22
M
BX21
M
H2
}
Regulated circuit
output sensor B1
QX21
N
QX22
N
QX23
N
L
}
Mixing valve
heating circuit n°1
Y1/Y2
}
Heating circuit No. 1
circulator Q2
U+
BX22
M
BX21
M
H2
}
Regulated circuit
output sensor
B12
QX21
N
QX22
N
QX23
N
L
}
Mixing valve
Heating circuit n°2
Y5/Y6
}
Heating circuit No. 2
circulator Q6
DB MB
}
LPB Bus
UX2
Gnd
UX3
Gnd
If a command pump (boiler, heating and/or DHW
circuit) is connected, refer to § 9.4 for the specific
configuration)
