E s tim a te d p e rfo rm a n c e life b a s e d on s p e cific usa ge conditions. These co n ditions are p ro v id e d fo r the p u rp o s e o f re p la cing
p a rts to m a intain pe rfo rm an ce. S om e p a rts m a y re q u ire m ore fre q u e n t re p la ce m e n t due to p o o r e n viro nm en ts o r rig o ro u s use. Usage
con ditions fo r e s tim a te d pe rfo rm a n c e life:
A m b ie n t te m pe rature : Yearly ave rag e o f 40
(IP 00 enclosure)
L o a d factor: 80% m axim um
O pe ra tion tim e: 24 h o u rs a day
■ Performance Life Monitors Maintenance Monitors
Refer to Recommended Periodic Inspection on page 274
Table 7.4 Performance Life Monitors Used for Component Replacement