3 Installation
MY-A Series (10kVA-20kVA) UPS
User Manual
40
+
-
……
NO.11
B
a
tte
ry
c
a
b
in
e
t 1
NO.12
NO.20
NO.13
NO.1
NO.2
NO.10
NO.3
+
-
+
-
-
+
-
……
+
-
+
-
-
+
-
……
NO.11
B
a
tte
ry
c
a
b
in
e
t 2
NO.12
NO.20
NO.13
NO.1
NO.2
NO.10
NO.3
+
-
+
-
+
-
+
-
……
+
-
+
-
+
-
UPS
BATT. -
BATT. +
+
+
BATT. N
BATT. -
BATT. +
BATT. N
DC
breaker 1
DC
breaker 2
E
X
T
E
R
N
A
L
B
A
T
T
E
R
Y
C
A
B
IN
E
T
1
+
-
N
E
X
T
E
R
N
A
L
B
A
T
T
E
R
Y
C
A
B
IN
E
T
2
+
-
N
Figure3-21
Wiring diagram 2 of 15kVA/20kVA
When the two battery cabinet is shared by two external battery port of UPS, please make sure that all
battery parameters of each UPS are consistent, such as battery branding, battery capacity, battery
number and battery voltage.
Extension battery wiring assembly (optional)
15/20kVA is connected with external battery: dismantle the sealing plate of external battery port of
UPS, plug the extension battery assembly that has been connected with battery into the external
battery port, as shown in Figure3-22.
