1. After receiving the notification that the battery can be replaced, the battery replacement implementation engineer will go to the site to make preparations: ensure the input power supply of the UPS host, check the registration of the new and old batteries, seal the smoke probe of the fire protection system in the machine room, prepare the carbon dioxide fire extinguisher, etc. Related work. Before replacing the battery, make relevant registration records for the UPS host, old battery pack, battery monitor and other equipment, especially the placement of each layer of battery and the wiring of the battery monitor, make a mark and draw a connection diagram. Make sure that the effect of the battery pack replacement is the same as the original condition.
2. After everything is ready, replace the batteries of the 40KVAUPS host of the APC brand SUVTP series, disconnect the connection switch between the UPS host and the battery pack, disconnect the UPS host and the battery pack, and ensure the operation when replacing the battery The safety of personnel. The battery of the original battery pack is disassembled, the battery replacement implementation engineer is responsible for the battery disassembly operation, and the relevant auxiliary technical personnel carry out the transfer operation of the new and old batteries. When disassembling the old battery, arrange the screws of the disconnected battery cable and battery terminals in a box in a regular order to ensure the neatness and cleanliness in the equipment room. After disassembling the old battery, place the old battery and the old battery rack in the direction specified by Party A. Place the new battery rack assembly in the intended orientation, start to install the new battery together, and place the new battery on the battery rack to make the best orientation and direction of the new battery on the battery rack. After connecting a group of batteries, check whether the connection wires of the battery terminals are firm; check whether the total voltage of the battery pack is normal, etc., and connect the positive and negative poles of the battery correctly.
3. After the battery replacement operation is completed, use a multimeter to check the total voltage status of the battery pack, the positive and negative poles of the battery pack, and the wiring status of the neutral line. After ensuring that the battery pack and the UPS host are normal, close the switch of the battery pack to restore the normal operation of the UPS power system. Then check the operating voltage, current, charging voltage, operating status and other conditions of the UPS and make a record. It is up to one person to investigate whether the parameters in the LCD screen of the host are common to the practice, and the battery time parameters are debugged and set to ensure that the battery will not present a faulty alarm prompt during the normal life. After the UPS host is debugged normally, turn off the input power switch of the UPS host to simulate the interruption of the mains fault, and test whether the UPS system can be switched from the mains to the backup power supply of the battery pack to ensure the normal operation of the equipment in the equipment room cabinet. After the battery replacement operation is completed, clean the UPS room and remove debris to ensure a good environment for the UPS room. Before resuming the battery replacement, the preparations made in the equipment room. And the new battery pack should be charged to about 24 hours to ensure that the new battery is fully charged.
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