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MBM INSTALLATION
Eaton 9395 Maintenance Bypass Module Installation and Operation Manual
S
164201719 Rev 3
www.eaton.com/powerquality
4-15
4.3.3
Line-up-and-Match TB1 Interface Wiring Installation
W
A
R
N
I
N
G
Hazardous voltages are present near the user interface terminal area if the MBM is not totally disconnected.
NOTE
If wiring between the UPS and MBM interface terminals can not be routed through the
line-up-and-match cabinets, conduit must be installed between the UPS and MBM cabinets for the wiring.
See paragraph 4.3.6 for standalone interface wiring installation instructions. Install the interface wiring in
separate conduit from the power wiring.
1.
Verify the UPS system is turned off and all power sources are removed. Refer to
the applicable Eaton 9395 Installation and Operation manual listed in paragraph
1.7 on page 1-4 for shutdown instructions.
2.
If not already open, unfasten the front door latch and swing the doors open (see
Figure 4‐1 on page 4-2).
3.
If not already removed, remove the doors. Remove the retaining screws located
inside each door at the top and bottom hinge pivot points, then lift the door off.
Retain the hardware for later use.
4.
If not already removed, remove the screws securing the top and bottom internal
safety shield panels and remove the panels to gain access to the MBM
terminals. Retain the hardware for later use.
5.
To locate the appropriate terminals and review the wiring and termination
requirements, see paragraph 3.2.3 on page 3-13, Table 4‐1 on page 4-16,
and
through Figure 4‐15. Refer to the applicable Eaton 9395 Installation
and Operation manual, listed in paragraph 1.7 on page 1-4 for UPS cabinet
terminal locations and termination requirements.
6.
Route and connect the MBM UPS on Bypass and UPS on Maintenance Bypass
interface wiring from the MBM through the wiring access in the side of the
cabinets (see Figure 4‐5 on page 4-6 and Figure 4‐6 on page 4-6) to the UPS
interface terminals.
7.
When all wiring is complete, reinstall the safety shield panels removed in
previous steps.
8.
Reinstall the doors removed in previous steps and secure with the retained
hardware.
9.
Close the doors and secure the latch.