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Chapter 6 Power cables connection
L1 Bypass AC Source information
L1 is the bypass line.
There are two L1 inputs on the input terminal block because the second L1 terminal
connection should be jumped from the AC Input terminal block to the Bypass Input terminal
block L1 connection, if the same AC source is used for Bypass and the Input of the UPS.
If a different AC source is used for unit Bypass, then the jumper in this connection is not
needed and has to be removed. This means a separate L1 line has to be brought directly into
the Bypass Input terminal block L1 terminal.
MBP power cables connection
Attention!
This type of connection must be carried out by qualified electrical personnel.
•
Before carrying out any connection, check that the upstream protection device (Normal
•
AC source) is open " " (Off).
Before proceeding to connect the HotSwap MBP to the UPS, make sure the UPS has
•
been properly shut down.
Always connect the ground wire first.
•
The Maintenance Bypass Panel (MBP) is required and ships standard with all 8kVA and 11kVA
UPS models.
The 5594-8KX, 5594-8PX, 5594-9KX, and 5594-9PX UPS units are shipped with three
modules:
1. Power Module,
2. Extended Battery Module (EBM), and
3. Maintenance Bypass Panel (MBP)
The MBP is used to bypass the UPS during maintenance or servicing providing wrap-around
bypass for UPS service without shutting down the load. An example of this is shown in the
figure on the following page in the single phase UPS block diagram.
6U Rack or Tower UPS RT8kVA and RT11kVA IUOMG
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