Ups To Maintenance Bypass Without Transformer - Liebert Nfinity Maintenance Bypass Cabinet User Manual

UPS to Maintenance Bypass Without Transformer

TB2
L1
Input 2
L2
N
G
TB1
L1
Input 1
L2
N
G
Flexible
conduit
Ensure that the tap
selector is set to the
correct input voltage
NOTES
1. If feeding the Maintenance Bypass Cabinet from a single source, the input
connection may be made to either TB1 or TB2.
2. If feeding the Maintenance Bypass Cabinet from a dual source, the UPS input
supply connection must be made to TB1 and the bypass input supply connection
must be made to TB2. The link between TB1 and TB2 must be removed.
NFINITY MAINTENANCE BYPASS CABINET
WITHOUT TRANSFORMER
Remove these three
wires for dual source
TB3
L1 L2 G
L1 L2 G 1 2 3
TB1
NFINITY UPS
17
G
TB4
1 2 3 4
1 2 3 4 5
TB2 TB3
120
120
208
240
TB5
1
2
3
4
G
G
See Nfinity
user manual
for details on
connecting
GEC
GEC.