27.08.2018
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EVO S -
Installation and Servicing
Diagram: VF4
page 3 / 8
}
Module 1
U+
BX22
M
BX21
M
H2
}
Regulated circuit
output sensor B1
QX21
N
QX22
N
QX23
N
L
}
Mixing valve
Heating circuit No.1
Y1/Y2
}
Heating circuit No. 1
circulator Q2
AGU 2.550
n° 1
on
}
Module 2
U+
BX22
M
BX21
M
H2
}
Regulated circuit
output sensor B12
QX21
N
QX22
N
QX23
N
L
}
Mixing valve
Heating circuit No. 2
Y5/Y6
}
Heating circuit No. 2
circulator Q6
AGU 2.550
n° 2
on
Boîtier régulateur RVS 63 :
B3
h
M
B9
k
M
H1
n
M
B1
p
M
BX1
n
M
BX2
n
M
B12
p
M
H3
n
M
BX3
n
M
BX4
n
M
UX
n
M
}
}
QX4
Z
QX4 FX4 EX4 QX3
U
N
QX2
U
N Y6
T
N Y5 Q6
S
N
QX1
U
N Y2
T
N Y1 Q2
S
N Q3
R
N
S3
NL
L1 N
L
}
}
}
}
}
Mixing valve Heating circuit No
4
Y5/Y6
Heating circuit No. 4 circulator Q6
Mixing valve Heating circuit No
3
Y1/Y2
Heating circuit No. 3 circulator
Q2
230 V
AC 50 Hz
power supply
Regulated circuit
output sensor B12
Regulated circuit
output sensor B1