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 Inserting One Isolated UPS module in
Parallel System.
11.3 Key Components and Service Life of UPS
When in use, some devices of UPS system will have shorter service life than UPS itself due to abrasion in work. For the safety
of UPS supply system, it is necessary to have regular inspection and replacement of these devices. This section introduces
the key components of UPS and the reference years of service life. For systems under different conditions (environment, load
rate, and etc.), assessment and advice by professionals on whether to replace the device are required with reference to the
information provided in this section.
11.3.1 Life Parameters and the Proposed Replacement Time of Key Components
Key components in Table 11.1 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
Prop os ed ins p ection p eriod
Fan
Not less than 7 years
5 years to 6 years
1 year
Bus capacitor
Not less than 7 years
5 years to 6 years
1 year
Air filter
1 year to 3 years
1 year to 2 years
2 months
VRLA battery (5-year life)
5 years
3 years to 4 years
6 months
VRLA battery (10-year life)
10 years
6 years to 8 years
6 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
167
Vertiv™ Liebert® APM Plus User Manual
Summary of Contents for APM Plus 0500kMK16FN02000
Page 1: ...Vertiv Liebert APM Plus User Manual 50 500 kVA UPS...
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Page 34: ...2 Overview 26 This page intentionally left blank Vertiv Liebert APM Plus User Manual...
Page 45: ...Four switches 500 kVA 3 Mechanical Installation 37 Vertiv Liebert APM Plus User Manual...
Page 76: ...Figure 5 11 Customize the display 5 Touch Screen 68 Vertiv Liebert APM Plus User Manual...
Page 86: ...Figure 5 20 Enable module redundancy 5 Touch Screen 78 Vertiv Liebert APM Plus User Manual...
Page 91: ...Figure 5 24 Status Gauge setting options 5 Touch Screen 83 Vertiv Liebert APM Plus User Manual...
Page 92: ...5 Touch Screen 84 Vertiv Liebert APM Plus User Manual...
Page 94: ...5 Touch Screen 86 Vertiv Liebert APM Plus User Manual...
Page 95: ...Figure 5 26 Unit status Bypass details 5 Touch Screen 87 Vertiv Liebert APM Plus User Manual...
Page 96: ...Figure 5 27 Unit status Battery details 5 Touch Screen 88 Vertiv Liebert APM Plus User Manual...
Page 97: ...Figure 5 28 Unit status Load details 5 Touch Screen 89 Vertiv Liebert APM Plus User Manual...
Page 100: ...5 Touch Screen 92 Vertiv Liebert APM Plus User Manual...
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Page 184: ...12 Specifications 176 This page intentionally left blank Vertiv Liebert APM Plus User Manual...