OfficeServ 7200 Installation Manual© SAMSUNG Electronics Co., Ltd. 5-1CHAPTER 5. Connecting PowerThis chapter describes how to connect power to the OfficeServ 7200.5.1 Cautions when Connecting PowerWhen input power is normally supplied, the AC power is supplied to the Power SupplyUnit (PSU), which charges the external battery. If the input power is interrupted, the systemcan be operated using the charged power of the external battery.Cautions to be taken when connecting power to the OfficeServ 7200 are as follows: The AC power of the system is designed for 220 V and is set to 220 V whenmanufactured (110 V for U.S.A.). Make sure that the input power of the OfficeServ 7200 is AC 220 V (110 V for U.S.A.)and other electric devices, such as motors and compressors, do not use the same inputpower. A single AC outlet should be used solely for the system’s AC power. Sharing the ACpower with other devices can cause noise or a voltage drop, resulting in a systemmalfunction or fire. Use a stable power source that can always supply AC power since instantaneouspower failures can cause malfunctions or battery failures.Connecting a Power LineWhen connecting an AC power line to the system, the Ferrite-core enclosed in thepackage should be attached to that power line in advance to minimize theElectro-Magnetic Compatibility (EMC) effect.