GE EP 700T User Manual

Contents

-１９-10.3 Operating procedure for connecting the long backup time modelUPS with the external battery1) The nominal DC voltage of external battery pack is 240VDC. Each battery packconsists of 20 pieces of 12V maintenance free batteries in series. To achievelonger backup time, it is possible to connect multi-battery packs, but theprinciple of “same voltage, same type” should be strictly followed.2) The connector of the external battery cable is used to plug into the externalbattery socket of the UPS, the other end of the external battery cable is used toconnect with the external battery pack(s). The procedure of installing batterypack should be complied with strictly. Otherwise you may encounter thehazardous of electric shock.a) Set the battery pack breaker in “OFF” position.b) You must connect the external battery cable to the battery first, if youconnect the cable to the UPS first, you may encounter the hazardous ofelectric shock. Then connect the other end to UPS.3) To complete the connection by plugging the connector of the external batterycable into the external battery socket of the UPS. Do not attempt to connectany loads to the UPS now. You should connect the input power wire to theright position first. And then set the breaker of the battery pack in the ONposition. After that set the input breaker in the ON position. The UPS beginsto charge the battery packs at the time.