Vertiv APM 0250kMK16FN02000, Руководство пользователя

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Service procedures of parallel system in normal mode
1. Confirm that there is power redundancy after disconnecting the UPS to be maintained, to avoid output
overload.
2. Press the EPO button for the UPS to be serviced, and open the mains input switch, bypass input switch, and
output switch.
3. Place the ready switch on the front panel of the power module to unready state.
4. Remove the fixing screws on both sides of the front panel of the bypass power module, unplug the signal cables
and pull the module out of the cabinet, then maintain the module.
5. After servicing the module, push the module into the cabinet, and tighten the screws on both sides.
6. Close the mains input switch, bypass input switch, output switch, and BCB. Place the ready switch to ready
state. Then start the system following the procedures in Procedures for Isolating One UPS module from Parallel
System in Parallel System.
11.3 Key Components and Service Life of UPS
11.3.1 Life Parameters and the Proposed Replacement Time of Key Components
Key components in Table 11.1 below below are used in the UPS system. To prevent system failures due to some of the
devices' failure by wear, it is proposed to carry out regular inspection and replacement during its estimated life.
Key com p onents E s tim ated life Prop os ed rep lacem ent tim e P rop os ed ins p ection p eriod
Fan Not less than 7 years Five years One year
Air filter One year to three years One year to two years Two months
VRLA battery (5-year life) Five years Three year to four years Six months
VRLA battery (10-year life) 10 years Six years to eight years Six months
T able 11.1 Life param eters an d th e pro po sed replacem en t tim e o f k ey co m po n en ts
11 Service and Maintenance
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Vertiv™ Liebert® APM Plus User Manual