MBM INSTALLATION
Eaton 9395 Maintenance Bypass Module Installation and Operation Manual
S
164201719 Rev 3
www.eaton.com/powerquality
4-9
12.
If wiring an MBM with a bypass input breaker (BIB), or BIB and rectifier input
breaker (RIB), proceed to Step 13; otherwise, proceed to Step 18.
13.
An MBM-to-UPS bypass input wiring harness is supplied inside the MBM. Route
the harness through the wiring access in the side of the cabinets (see Figure 4‐5
and Figure 4‐6) to the UPS bypass input 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.
14.
Connect phase A, B, and C power wiring to the UPS bypass 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.
15.
If wiring an MBM with a RIB, proceed to Step 16; otherwise, proceed to Step 18.
16.
An MBM-to-UPS rectifier input wiring harness is supplied inside the MBM. Route
the harness through the wiring access in the side of the cabinets (see Figure 4‐5
and Figure 4‐6) to the UPS rectifier input 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.
17.
Connect phase A, B, and C power wiring to the UPS rectifier 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.
18.
After wiring the MBM to the utility power, UPS, and critical load, ground the
system according to local and/or national electrical wiring codes.
19.
If wiring interface connections, proceed to paragraph 4.3.3; otherwise, proceed
to Step 20.
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.
