Modifications reserved Page 55/86
OPM_SGS_USM_M40_M50_1US_V020.doc Operating Manual SG Series 400 & 500 kVA
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.
• Press mute, to reset alarm and buzzer.
The Battery remains connected to the UPS in case of configuration without external Battery
Breaker Release!
First operated unit All other units of the system
4. Disconnect the Battery from all Units (only for UPS configuration without external Battery
Breaker Release).
• Wait 5 minutes for DC-Link Capacitors to discharge.
Before you proceed with any kind of
intervention on the UPS, make sure the DC-Link
voltage be less than 15 VDC.
Ub=15V
Ib= + 0A
Battery Temp= + 20
°
C
Charge Level= 87%
Autonomy = 12min
metering
alarms
parameters
+
–
ok
First operated unit All other units of the system
END OF PROCEDURE
To Next Page
Loading...
