GE Industrial Solutions SG Series 50 & 80 kVA Operating Manual - Manual (Page 19)

Modifications reserved Page 19/82
OPM_SGS_USM_50K_80K_0US_V030.doc Operating Manual SG Series 50 & 80 kVA
5 CONTROL PANEL
5.1 CONTROL PANEL
Fig. 5.1-1 Control Panel
5.2 TABLE OF FUNCTIONS AND INDICATIONS ON CONTROL PANEL
inverter on/off
Key to switch the Inverter ON ( I )
(This key is also used to reset “total off” if pressed simultaneously with total off
push button).
inverter on/off
Key for Inverter shutdown ( O )
Press key to transfers the Load to Utility.
Keep pressed for 5 seconds to shutdown the Inverter.
This key is also used as the EPO (Emergency Power Off) reset.
mute
Key to reset general alarm and buzzer.
test
Key to test the control panel LEDs and buzzer.
(Pressing this key causes all the LEDs to light and the buzzer to sound 3 times).
The push-button “total off” is protected by a red cover.
By pressing it, you immediately separate the UPS from Utility and the Load.
Attention: “total off” cannot disconnect the UPS from the Load with Q2 closed.
To reset “total off”: push and hold the “total off” push-button and the “I” key
(inverter on) simultaneously for some seconds.
For parallel system: if “total off” is pressed on one unit connected to
the parallel bus (switch Q1 closed), all the units are separated from the load.
The “total off” reset must be done only on one unit connected to the parallel bus
(switch Q1 closed).
NOTE !
Special care must be taken in using this command, in order to
avoid accidental Load disconnection.