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Comet installation and user manual: E-6761200XT/FA
4.1Merlin Gerin by MGE UPS SYSTEMS
17
I
+–
!
!
O
2221
bip...bip...
■ put first the input power switch 1 and then the battery circuit breaker 4 in
"on" position:
■■ the buzzer 17 sounds,
■■
the green "load protected" light 21 goes on,
■■ the rectifier 2 and the charger 6 start up,
■■ the inverter 7 automatically starts up, except if the system is in "manual
start-up" mode (optional). In this case, press the green "inverter on" button 22 .
start-up
Fig. 18
powering up to Comet
Caution:
As soon as AC input power is supplied to Comet (upstream circuit breaker
on the low voltage switchboard in "on" position), the load is supplied via
the "static bypass" 3 . No indications are given on the control panel.
BY-PASS
NORMAL
TEST 2
TEST 1
"manual maintenance bypass"
switch
preliminary checks
■ check the settings of the protection devices:
■■ input power switch 1 in off (O) position,
■■ battery circuit breaker 4 in off (O) position,
■■ "manual bypass" 8 switch set to "NORMAL" position (see figure 18);
■ check that nothing can block the ventilation system (air entry through the
bottom and, where applicable, through the side vents);
■ check that there is a minimum 100mm clearance at the back for ventilation;
■ check that Comet no longer rests on its 4 wheels (lifting jacks in place);
■ check that the load-circuit circuit breakers (where applicable) are in off (O)
position.