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Installation & User Manual
Bypass Mode
7. Verify the UPS is on and operating in Online Mode.
a. Press the Off button for approximately 5 seconds, UPS will emit 2 beeps.
b. UPS is in Bypass Mode
i. Display will indicate as shown in Figure B.
c. Press the Off button for approximately 5 seconds, UPS will emit 2 beeps and
return to Online Mode operation.
Maintenance Bypass Switch (MBS)
WARNING: DO NOT PLACE THE MAINTENANCE BYPASS SWITCH (MBS) IN THE
BYPASS POSITION WHILE THE UPS IS OPERATING IN ONLINE MODE. THE FOLLOWING
PROCEDURE MUST BE PERFORMED BEFORE USING THE MAINTENANCE BYPASS
SWITCH. FAILURE TO FOLLOW THIS PROCEDURE WILL RESULT IN DAMAGE TO THE
UPS OR CONNECTED EQUIPMENT.
8. Press the Off button for approximately 5 seconds, UPS will emit 2 beeps.
a. UPS is in Bypass Mode
i. Display will indicate as shown in Figure B.
b. Locate and remove the MBS cover.
c. Turn the MBS knob clockwise to the Bypass position.
i. The UPS load is now connected directly to utility power through the MBS.
9. To return to Online Mode operation, turn on input circuit breaker.
a. Display will indicate as shown in Figure B.
b. Turn MBS knob counterclockwise to the "INV" (Inverter) position.
c. Reinstall MBS cover.
d. Press the on button for approximately 3 seconds, UPS will emit 2 beeps.
i. UPS will perform power on self-test, if passed UPS will return to normal
The UPS input breaker may now be turned off.
operation.
Falcon Electric, Inc.
FN2 Series OM480051 Rev.: E
32
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