MBM INSTALLATIONEaton 9395 Maintenance Bypass Module Installation and Operation Manual 164201719 Rev 3 www.eaton.com/powerquality 4-7Top View Front Bracket Top View Rear BracketUPS TopMBM TopUPS TopScrew from Kit Screw from KitScrew from Kit Screw from KitBracket from KitMBM TopBracket from Kit BackFrontFront View Base BracketUPS BaseMBM BaseBracket from KitScrew from KitScrew from KitFigure 4‐7. MBM to Eaton 9395 UPS Joining Brackets4.3.2 Line-up-and-Match Power Wiring InstallationNOTE The MBM cabinet is shipped with a debris shield covering the ventilation grill on top of the unit. Donot remove the debris shield until installation is complete. However, remove the shield before using theMBM. Once the debris shield is removed, do not place objects on the ventilation grill.NOTE Power wiring to the MBM maintenance bypass input and the output to the critical load must be runin customer-supplied conduit.NOTE Remove the MBM cabinet top or bottom conduit landing plate to drill or punch conduit holes (seeFigure 4‐8 on page 4-10).NOTE Refer to the applicable Eaton 9395 Installation and Operation manual listed in paragraph 1.7 onpage 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 tothe applicable Eaton 9395 Installation and Operation manual listed in paragraph1.7 on page 1-4 for shutdown instructions.2. If not already open, unfasten the front door latch and swing the doors open (seeFigure 4‐1 on page 4-2).
