g
GE
OPM_SGS_USM_10K_40K_0US_V010.doc
55/88
Operating
Manual
SG Series
10, 20, 30 & 40 kVA
7.3.2 Maintenance system shutdown (Load supplied from Q2 on all Units)
Initial status:
Load supplied from all Inverters
.
First operated unit
All other units of the system
1. Press
“
inverter off
”
( O )
key on all Units, and hold until the LED inside the Inverter
symbol turns OFF
.
At no redundancy, the system will transfer to
Utility
supply.
First operated unit
All other units of the system
2. Close Q2
(Pos. I)
on all Units
.
Load
is now supplied from
Utility
in parallel from
Bypass
and
Manual Bypass Q2
of all
Units
.
First operated unit
All other units of the system
3. Open Q1
(Pos. O)
and then press
“
total off
”
button on all Units
.
The
Bypass
of all
Units
will disconnect and
all Rectifiers
are shutdown.
First operated unit
All other units of the system
4. Disconnect the Battery, in case of External Battery, from all Units
.
•
Wait
5 minutes
for DC-Link Capacitors discharge.
First operated unit
All other units of the system
End of procedure
