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Start-up, Powering up to comet, Preliminary checks – MGE UPS Systems Comet TM 5 - 30 kVA User Manual

Page 21

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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.