W A R N IN G ! User serviceable co m po n en ts (F o r service perso n n el)
A ll equ ipm en t m ain ten an ce an d servicin g pro cedu res in vo lvin g in tern al access requ ires th e u se
o f a to o l an d sh o u ld be carried o u t o n ly by train ed perso n n el. T h ere are n o u ser-serviceable
parts beh in d co vers requ irin g a to o l/k ey fo r rem o val.
W A R N IN G ! B attery vo ltage exceeds 400 Vdc (F o r service perso n n el)
1. A ll ph ysical battery m ain ten an ce an d servicin g pro cedu res requ ires th e u se o f a to o l/k ey an d
sh o u ld be carried o u t o n ly by train ed perso n n el.
2. T ak e special care wh en wo rk in g with th e batteries asso ciated with th is UP S. W h en co n n ected,
th e battery term in al vo ltage will exceed 400 Vdc an d is po ten tially leth al.
3. B attery m an u factu rers su pply details o f th e n ecessary precau tio n s to be o bserved in wo rk in g
o n , o r in th e vicin ity o f, a large ban k o f battery cells. T h ese precau tio n s sh o u ld be fo llo wed
im plicitly at all tim es. P articu lar atten tio n sh o u ld be paid to th e reco m m en datio n s co n cern in g
lo cal en viro n m en tal co n ditio n s an d th e pro visio n o f pro tective clo th in g, first aid an d fire-
figh tin g facilities.
W A R N IN G ! G en eral safety (F o r u sers)
1. Lik e o th er types o f large po wer equ ipm en t, th e UP S an d battery circu it break er bo x/battery
cabin et h ave h igh vo ltage in side. B ecau se th e co m po n en ts with h igh vo ltage can be accessed
o n ly wh en th e fro n t do o r is o pen ed, th e risk o f co n tactin g h igh vo ltage h as been m in im ized.
T h is equ ipm en t m eets th e IP 20 stan dard, an d o th er safety sh ields are pro vided in side th e
equ ipm en t.
2. T h ere will n o t be an y risk wh en o peratin g th is equ ipm en t acco rdin g to th e gen eral
in stru ctio n s an d th e steps reco m m en ded in th is m an u al.
W A R N IN G ! M u ltiple po wer in pu ts (F o r u sers)
1. T h is UP S system receives po wer fro m m o re th an o n e so u rce. Disco n n ectio n o f all A C so u rce
an d th e DC so u rce is requ ired befo re servicin g.
2. T h is UP S h as several circu its th at are en ergized with h igh A C as well as DC vo ltages. Ch eck
fo r vo ltage with bo th A C an d DC vo ltm eters befo re wo rk in g with in th e UP S.
W A R N IN G ! If in tern al fu se o f th e UP S is dam aged, it m u st be replaced with fu se o f th e sam e
electric param eters by qu alified perso n n el.
1 Important Safety Instructions
4
Vertiv™ Liebert® APM Plus User Manual
Summary of Contents for APM 0250kMK16FN02000
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