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Comet installation and user manual: E-6761200XT/FA
6.1
Merlin Gerin by MGE UPS SYSTEMS
operation
normal operation
The AC input power supply is present (figure 19):
■ the green "load protected" light 21 is on;
■ the power drawn by the load is supplied by AC input power via the rectifier 2
and inverter 7 modules. The charger 6 float charges or recharges the battery
5 . The DC output voltage of the charger is temperature regulated to ensure an
optimal charge voltage.
I
+–
!
!
O
21
When AC input power fails or exceeds tolerances, the rectifier 2 and the
charger 6 shut down. The battery 5 supplies the power required by the
inverter 7 to supply the load.
The battery 5 discharges.
The green "load protected" light 21 is on.
The user is warned of operation on battery power by the buzzer 17 and by the
orange "battery status" light 20 . This information is also available via
the standard communication connector 15 .
load
AC input
5
7
6
2
I
+–
!
!
O
212017
bip...bip...
operation on battery power (figure 20)
Fig. 19