Eaton 9170+ ASY-0652 User Manual

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Contents

INSTALLATIONEaton 9170+ Battery Charger Module User's Guide 164201399 Rev Ewww.eaton.com/powerquality6Table 2. Required Input Wiring for ASY-0739 External Battery CabinetNumber of Charger Modules Input Circuit Breaker Rating 75°C Copper Wire Size Conductor Screw Torque1 15A 14/12 AWG 2.3 Nm (20 lb in)2 30A 10 AWG 2.3 Nm (20 lb in)3 45A 8 AWG 2.8 Nm (25 lb in)DC Cabling Between CabinetsRefer to “Battery Cabinet Installation” in the UPS user's guide for theprocedure to connect the cable assembly between the external batterycabinet and the UPS cabinet, or to additional external battery cabinets.NOTE See Figure 2 on page 3 for the proper location of cabinet-to-cabinet wiring, whichmust be in the second cabinet section.Setting DIP SwitchesThe DIP switches on the rear panel of the Battery Charger Module arefunctional only when the module is installed in an external batterycabinet. The DIP switches control two functions: the output currentlimit and a periodic float charging to equalize all battery capacities.NOTE Set the DIP switches ONLY if the Battery Charger Module is placed in the ASY-073912-slot external battery cabinet. When the module is placed in the UPS cabinet, do not setthe DIP switches.Output Current LimitThe Battery Charger Module is capable of producing up to 5A, 10A, 15A,or 20A when installed in an external battery cabinet. Dischargedbatteries must be recharged at an optimum rate, neither too quickly nortoo slowly. For optimum charging of batteries, you must set DIPswitches 1 and 2.Follow the guidelines in Table 3 to determine the proper output currentsetting and set DIP switches 1 and 2 accordingly (see Figure 4).