MBM INSTALLATION
Eaton 9395 Maintenance Bypass Module Installation and Operation Manual
S
164201719 Rev 3
www.eaton.com/powerquality
4-21
4.3.5
Standalone Power Wiring Installation
NOTE
The MBM cabinet is shipped with a debris shield covering the ventilation grill on top of the unit. Do
not remove the debris shield until installation is complete. However, remove the shield before using the
MBM. Once the debris shield is removed, do not place objects on the ventilation grill.
NOTE
All power wiring to the MBM must be run in customer-supplied conduit.
NOTE
Remove the MBM cabinet top or bottom conduit landing plate to drill or punch conduit holes (see
NOTE
Refer to the applicable Eaton 9395 Installation and Operation manual listed in paragraph 1.7
on
page 1-4 for UPS cabinet wiring information, and conduit and terminal locations.
To install 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.
Route the power cables through either the top or bottom of the cabinet to the
MBM terminals. See Figure 4‐8 through Figure 4‐12 for wiring access information
and terminal locations.
Top Access Wiring.
Remove the top conduit plate from the top of the MBM.
Identify all conduit requirements and mark their location. Drill and punch all
conduit holes in the top conduit plate prior to mounting on the MBM. Install the
conduit plate and install all conduit runs into the plate. Pull the wiring through the
conduit into the wiring area.
Bottom Access Wiring.
Remove the bottom conduit plate from the inside bottom
of the MBM. Identify all conduit requirements and mark their location. Drill and
punch all conduit holes in the bottom conduit plate prior to mounting on the
MBM. Install the conduit plate and install all conduit runs into the plate. Pull the
wiring through the conduit into the wiring area.
6.
Route the output and neutral (if required) cables from the UPS to the MBM
maintenance isolation breaker (MIS) input and neutral terminals. 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.
See Figure 4‐8 through Figure 4‐12 for wiring access information and terminal
locations.
7.
Connect phase A, B, and C power wiring to the UPS output and MBM MIS input
terminals. Connect the Neutral (if required) to the UPS and MBM neutral
terminals. See paragraph 3.2.2 on page 3-5 for wiring and termination
requirements.