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Appendix 2 Schematic diagram 47
ECM3 Series Outdoor Power System User Manual
3-phase AC distribution unit
B-level SPD alarm
Single-phase AC distribution unit
PE
L
N
N
L
QFA1
QFA2
AC Input 1
AC Input 2
N
L
N
L
QFA5
AC output 1-9
QFA6
QFA7
B-level SPD alarm
N
L3
QFA3
QFA4
AC Input 1
AC Input 2
N
L1
QFA6
AC output 1-4
QFA7
L2
L3
N
L1
L2
L3
L2
L1
1
RS485
AC Input
1 2 3
Temp1
B SPD alarm input
Power subrack
1 2
Batt- Input
2
PE
PE
SPD1
SPD2
0V bar
DC distribution unit-1 optional
RS485 Door1 Door2
Door3 Smoke1 Smoke2 Smoke3
RS485
NetSure 731 series power subrack
NPL
PL
48V
3
QFA13
QFA8
QFA9
Optional
COM
NC
N
L3
L2
L1
C
o
m
m
u
n
ic
a
ti
o
n
c
a
b
le
AC output
User 1 output
User 2 output
User 3 output
User 4 output
16A 16A 16A 16A 16A 10A 10A 10A 10A 125A 16A 6A 25A
125A 16A 6A 25A
125A 16A 6A 25A
63A
10A 10A
NPL
PL
NPL
PL
NPL
PL
NPL
PL
DC power like
thermal control,
lightning
PE
L3 L2 L1 N
Optional
Batt.
1
2
1
2
1
2
1
2
1
2
1
2
1
2
FSU
FSU analog input
1
2
+ -
Communication cable
T
h
e
rm
a
l c
o
n
tr
o
l
4
8
V
p
o
w
e
r
PL
NPL
6A
32A
32A
16A
10A
10A
16A
Reserved
Positive busbar
10A
10A
16A
16A
32A
32A
6A
PL
NPL
10A
10A
16A
16A
32A
32A
6A
B
a
tt.
th
e
rm
a
l c
o
n
tr
o
l
T
h
e
rm
a
l c
o
n
tr
o
l
T
h
e
rm
a
l c
o
n
tr
o
l
H
e
a
te
r
H
e
a
te
r
S
o
c
k
e
t
R
e
s
e
rv
e
d
R
e
s
e
rv
e
d
R
e
s
e
rv
e
d
Power
Equipment Batt. Power Equipment
T
h
e
rm
a
l c
o
n
tr
o
l
T
h
e
rm
a
l c
o
n
tr
o
l
In
fr
a
re
d
s
e
n
s
o
r
W
a
te
r s
e
n
s
o
r
W
a
te
r s
e
n
s
o
r
W
a
te
r s
e
n
s
o
r
T
&
H
s
e
n
s
o
r
T
&
H
s
e
n
s
o
r
T
&
H
s
e
n
s
o
r
Positive busbar
Positive busbar
Reserved
Reserved
Reserved
Reserved
Reserved
Transmission
Transmission
Transmission
Wireless device
Wireless device
Wireless device
Equipment cabinet lighting
Equipment cabinet lighting
Equipment cabinet lighting
DC distribution unit-1 optional
DC distribution unit-1 optional
Figure 2 Schematic diagram of typical power cabinet (without thermal control)