APC Network Management Card AP9619 Bedienungsanleitung PDF herunterladen (Seite 20)

UPS Overview – Operation Modes

16 Smart-UPS® VT ISX 20-30 kVA, 208/220/480V Operation 990-2819

Turn into normal operation (from mechanical bypass operation)



Verify the presence of utility supply.



UPS will start up and perform self test (see Restart Procedure).



Ensure no alarm messages appear in the display and select “YES” when “Apply load” appears

in the display. The UPS will automatically turn into static bypass.



Verify UPS is in static bypass. Green and yellow LEDs are ON.



Turn the Mechanical Bypass Lever downwards into horizontal position.

Verify UPS is in normal operation. Yellow LED turns OFF and green LED remains ON.

Caution

Never attempt to switch back the UPS into normal operation till you have verified that

there are no internal UPS faults. Call APC Customer Support (see rear cover of this

manual) before returning to normal operation.

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APC Network Management Card AP9619 Bedienungsanleitung Seite 20