Technical Data
18
MAXXflo EVO
3.6 wIRING DIAGRAMS (MAXXflo EVO 90 & 120 Kw MODELS)
PCb1
Wiring diagram - MAXXflo EVO
Master (Models 90 & 120 kW)
H
2 M
BX
21
BX
22 U+
M
M
od
ule
N
o1
L
N Q
X2
3
Q
X2
2
Q
X2
1
N
N
R
em
ot
e
en
ab
le
(v
ol
t f
re
e)
Fl
am
e
in
di
ca
to
r 1
Q4
DHW
pump
Fa
ul
t i
nd
ic
at
or
Li
ve
N
eu
tra
l
Li
ve
Earth
N
eu
tra
l
B39
DHW
Return
sensor
kit
Fl
ame
in
di
ca
to
r 2
Bl
ac
k
R
el
ay
White R
el
ay
Modbus
L N PE L N
230V
50Hz
5A
BSB
A+ B-
RE
F
DB
/C
L+
M
B/
CL
-
1 2 3 4
9
5 6 7 8
Bl
ac
k
R
el
ay
CO
NO
NC
CO
NO
NC
CO
NO
NC
Wiring diagram - MAXXflo EVO
Master (Models 90 & 120 kW)
H
2 M
BX
21
BX
22 U+
M
M
od
ule
N
o1
L
N Q
X2
3
Q
X2
2
Q
X2
1
N
N
R
em
ot
e
en
ab
le
(v
ol
t f
re
e)
Fl
am
e
in
di
ca
to
r 1
Q4
DHW
pump
Fa
ul
t i
nd
ic
at
or
Li
ve
N
eu
tra
l
Li
ve
Earth
N
eu
tra
l
B39
DHW
Return
sensor
kit
Fl
ame
in
di
ca
to
r 2
Bl
ac
k
R
el
ay
White R
el
ay
Modbus
L N PE L N
230V
50Hz
5A
BSB
A+ B-
RE
F
DB
/C
L+
M
B/
CL
-
1 2 3 4
9
5 6 7 8
Bl
ac
k
R
el
ay
CO
NO
NC
CO
NO
NC
CO
NO
NC
Wiring diagram - MAXXflo EVO
Master (Models 90 & 120 kW)
H
2 M
BX
21
BX
22 U+
M
M
od
ule
N
o1
L
N Q
X2
3
Q
X2
2
Q
X2
1
N
N
R
em
ot
e
en
ab
le
(v
ol
t f
re
e)
Fl
am
e
in
di
ca
to
r 1
Q4
DHW
pump
Fa
ul
t i
nd
ic
at
or
Li
ve
N
eu
tra
l
Li
ve
Earth
N
eu
tra
l
B39
DHW
Return
sensor
kit
Fl
ame
in
di
ca
to
r 2
Bl
ac
k
R
el
ay
White R
el
ay
Modbus
L N PE L N
230V
50Hz
5A
BSB
A+ B-
RE
F
DB
/C
L+
M
B/
CL
-
1 2 3 4
9
5 6 7 8
Bl
ac
k
R
el
ay
CO
NO
NC
CO
NO
NC
CO
NO
NC
