American Power Conversion Smart-UPS User Manual
Page 21
Operation – Operation Modes
990-2818A
Smart-UPS® VT ISX 20-30 kVA, 200 V Operation
15
Turn into normal operation (from mechanical bypass operation)
Verify the presence of utility supply.
The UPS will start up and perform a 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.