32
6.2.2. Installation location
Ø
Distance of machine back from wall or any object should be at least 800 mm
Ø
At the top of UPS should not be placed any object
Ø
The front, right and left sides of equipment should be prepared enough space for maintenance operation
Ø
Equipment battery should be installed in the right-hand side of machine, and reserve sufficient space for battery
overhauling
6.3. UPS cable connection
6.3.1. 3 phase in and single phase out UPS systems 6-80KVA recommended cable specifications: (unit: mm
2
)
Input
Output,
bypass
Battery
Capacity
A
B
C
N
E
L
N
+
-
L8K3/1
4
4
4
10
4
10
10
6
6
L15K3/1
6
6
6
16
6
16
16
10
10
L20K3/1
8
8
8
25
6
25
25
16
16
L30K3/1
10
10
10
25
6
25
25
16
16
L40K3/1
16
16
16
35
8
35
35
25
25
L50K3/1
20
20
20
50
10
50
50
35
35
L60K3/1
25
25
25
60
16
60
60
50
50
L80K3/1
35
35
35
70
16
70
70
70
70
6.3.2. 3 phase in and single out UPS series UPS cable connect
Before installing UPS, turn off all switches. According to left part of the above plan, R, S, T, N connect three-phase,
separately to the fire wire and middle wire of main power input; R, S, T, N on bypass connect three-phase, separately
to the fire wire and middle wire of bypass input(when one power inputs, link the main power input and bypass input
together); according to right part of the above plan, R, S, T, N connect to three-phase, separately to the fire wire and
middle wire of AC output.; E is connected to the safe protecting ground wire; +, - are connected to the anode and
cathode of battery.
6.3.3. Battery connection
1
．
Before connecting battery, please check manufacturers of each battery, specifications and models, and
terminal voltage to make sure whether they are in consistent (because different manufacturers
’
battery
internal resistances are different. When battery pack run in series, because of uneven voltage, the whole
battery pack can be damaged; meanwhile, the old and new batteries from same manufacturers cannot be
R S T N
Input
+
-
Battery
E
g
E
g
N L
Output
Level off
Do not place on unsmooth ground
Do not place on oblique ground
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