Start-up, Powering up to comet, Preliminary checks – MGE UPS Systems Comet TM 5 - 30 kVA User Manual
Page 21
Comet installation and user manual: E-6761200XT/FA
4.1
Merlin Gerin by MGE UPS SYSTEMS
17
I
+ –
!
!
O
22
21
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.