InstallationEaton 9170+ Battery Charger Module (Models ASY-0652 and ASY-0675) User’s Guide 164201399 —Rev F www.eaton.com/powerquality 13Periodic Float ChargeTo enable automatic float (or equalize) charging of the battery modules every 30 days, set DIP switch 3 to ON.Reserved SwitchThe function of DIP switch 4 is reserved; it should remain in the OFF position.Battery Charger Module InstallationTo install the battery charger modules into the UPS or external battery cabinet:CAUTIONA maximum, total combination of seven (7) power modules and battery charger modules areallowed in the UPS cabinet. If additional battery charger modules are needed for the system, youmust install them in ASY-0739 cabinets.1. Remove the front cover(s) of the cabinet.The covers have spring latches on the left and right sides that hold them in place.2. Insert the battery charger modules into the cabinet. To insert a battery charger module:Lower the front slightly and lift the rear edge over the safety stop on the center support rail. Keep themodule handle extended until the module is fully inserted.Raise the battery charger module handle to secure the module into the cabinet. Be sure the handle latchsnaps into place. Tighten the thumbscrew on the handle.3. Reinstall the front cover(s).4. Turn on the UPS according to the Eaton 9170+ UPS (3-18 kVA) User’s Guide.NOTE When more than one battery charger module is installed in ASY-0739, only one ofthem should have Periodic Float Charge set to ON.NOTE Place battery charger modules above the battery modules in the UPS cabinet, or inany of the top three slots of the ASY-0739 12-slot external battery cabinet.