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OPM_SGS_USM_10K_40K_0US_V010.doc 20/88 Operating Manual
SG Series
10, 20, 30 & 40 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.
(This key is also used to
reset
“
total off
”
if pressed simultaneously with
total
off push button).
inverter on/off
Key for Inverter shutdown.
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 LED’s and buzzer.
(Pressing this key causes all the LED’s 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,
pressing
“
total off
” on one unit connected on
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 on the parallel
bus (switch Q1 closed).
Special care must be taken in using this command, in order to
avoid accidental Load disconnection.