Vertiv | Liebert
®
NXL
™
500-750kVA UPS Installation Manual |
19
Figure 9
Remote Output Breaker diagram
See
for required current ratings.
Table 7
Remote IOB contacts from remote breaker to UPS IOB CB interface board
Terminal Designation
Signal Name
Wire Size/
Max Length
From
To
Remote Breaker
Contacts
TB1101-1
IOB aux. common
#14AWG/
500ft. (300m)
TB1101-2
IOB aux. N.C. (closed = CB is open)
TB1101-3
IOB aux. N.O. (closed = CB is closed)
TB1101-4
IOB trip coil (-)
TB1101-5
IOB trip coil (+)
Remote IOB contacts from remote breaker to UPS IOB CB interface board
Remote Breaker Motor
Operator Contacts
TB1102-2
AC line
#14AWG/
500ft. (300m)
TB1102-5
Motor operator close
Remote IOB contacts from remote breaker to UPS IOB CB interface board
Remote Breaker
Voltage Sense
TB1-1
Voltage sense PH A
#14AWG/
500ft. (300m)
TB1-2
Voltage sense PH B
TB1-3
Voltage sense PH C
A
B
C
E
IOB
5A
5A
5A
OUT_LINE_A
OUT_LINE_B
OUT_LINE_C
OUTPUT EMI
FILTER
OUT_LOAD_A
OUT_LOAD_B
OUT_LOAD_C
A
B
C
A
B
C
LINE
LOAD
V_CB_A
V_CB_B
V_CB_C
TB1101
TB1102
4 CB2_COIL_RTN
3_CB2_NO (CB CLOSED )
2_CB2_NC (CB OPEN )
5 CB2_COIL
1_CB2_COM
Inside UPS Cabinet
IOB UVR
Coil
(48VDC)
Circuit Breaker Interface
Board
02-806711 -01
Inside Switchgear
To UPS
Output Customer
Connections
1
2
12
1
2
IOB-1
N
1
1
Fuses should be 5A class CC or J type time delay fuse
OUT_LOAD_N
OUT_LINE_N
N
2
Electrical operator power provided by switchgear vendor
and shall be powered from UPS side of IOB
N
120 -240 Vac
Close
IOB-x
IOB
Electrical
Operator
120 -240 Vac
(supplied by
switchgear vendor )
5_MTR_OP_CLOSE
2_MTR_OP_ENABLE
TB2
TB2-1
TB2-2
TB2-3
TB2-4
2
IOB Status
Contacts
Содержание Liebert NXL 500kVA
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