MBM INSTALLATION
Eaton 9395 Maintenance Bypass Module Installation and Operation Manual
S
164201719 Rev 3
www.eaton.com/powerquality
4-23
20.
When all wiring is complete, reinstall the safety shield panels removed in
previous steps.
21.
Reinstall the doors removed in previous steps and secure with the retained
hardware.
22.
Close the doors and secure the latch.
4.3.6
Standalone 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
When installing interface wiring for TB1 connections, conduit must be installed between the UPS
and MBM cabinets. 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 interface terminals 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.
