American Power Conversion XR User Manual
Page 34
Operation – Mechanical Bypass
26
Smart-UPS® VT 10-30 kVA, 208/220 V and XR Battery Enclosure Operation Manual 990-1599B
Turn the Mechanical Bypass Lever upwards to activate the internal mechanical bypass switch.
Reinstall the Front Panel.
The load will now be supported directly by utility power.
Switch 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 error 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 LED 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.
See Front Panel “Installation” on page 21.
10/100Base-T
Probe
AP9619 Network Managemen
t Card EM
!
Reset
Output
Pwr
Zone
10/100
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 switching back to normal operation.