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 7modules. The charger 6float 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 2and the
charger 6shut down. The battery 5supplies the power required by the
inverter 7to supply the load.
The battery 5discharges.
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