Emerson 40-200KVA User Guide
Liebert
®
BDC
™
45
Figure 22 Liebert BDC connection to Liebert
®
NX
™
Fuse 1
1/2 Amp
600 V
olt
Isolation
T
ransformer
Fuse 6
1/2 Amp
600 V
olt
3 Amp
Inline
Fuse
Provided With
T2 T
ransformer
Red
Black
T
ransformer
600V White
480V Orange
400V Blue
240V Red
208V Y
e
llow
Common Black
See Note 1
& T
able
W574
W563
W571
Black
W564
24 V
A
C
W570
W571
W565
X0
H1
H2
H3
X1
X2
X3
K1
3
B
A
6
9
7
4
1
8
5
2
1
2
3
4
5
6
7
8
T
o
UPS Monitor Board
T
e
rminal Block J21
Inverter Bus Output Switch
inhibited When
Circuit Is Closed
T
o
Parallel Board X3-1-EXT
-MAINT
T
o
Parallel Board X3-2-GND2
J21-INV_S
J21-INV_C
TB2
TB2-1
TB2-2
TB2-3
TB2-4
W565
Black
W572
W573
1
3
4
5
6
2
Push Button Switch
Solenoid Key Release Unit
(Auxiliary switch shown in
position with key installed.)
Interlock key normally retained
In lock. Key removable when
Solenoid is energized.
OK to
T
ransfer
Indicator
Solenoid Key Release Unit
W566
W567
W567
W569
W564
W573
W572
W568
W570
W569
T
able 1
Isolation T
ransformer
Output V
oltage
208/120
220/127
T2 T
ransformer
T
ap Location
208V (Y
ellow)
240V (Red)
Wiring Legend
Factory-Supplied Wiring
Field-Supplied Wiring
Factory-Supplied Busbar
53469
Rev
. 5