APC 208, 480, 600 manual Verify bypass operation

Start-Up Procedure: Apply power to the system

Verify bypass operation

1.Command the UPS into static bypass operation through the UPS display interface:

a.Press the ESC key to open the top-level menu.

b.Select Control on the top-level menu, and press the ENTER key.

c.Select UPS Into Bypass on the Control menu, and press the ENTER key.

d.On the next screen: select Yes, UPS into Bypass, and press the ENTER key.

The BYPASS LED illuminates and the following screens appear:

Top-Level Menu

Control	Logging
Status	Display
Setup	Diags
Accessories	Help

Control Menu

UPS Into Bypass

Do Self Test

Simulate Power Fail

Graceful Reboot

Graceful Turn Off

Start Runtime Cal

Turn Load On

Confirmation Screen

Confirm

Yes, UPS into Bypass No, Abort

UPS has been

commanded to go into Bypass...

UPS load is in Bypass

Press any key...

Note: The H3 LED above the Q3 circuit breaker illuminates, but do not operate the circuit breaker.

2.Use a true RMS voltmeter to make sure that there is no difference in potential between L1 IN and L1 OUT, L2 IN and L2 OUT, and L3 IN and L3 OUT on the Q3 circuit breaker. The Q3 circuit breaker must be in the OFF position. The top side of Q3 will be utility voltage and the bottom side of Q3 will be the voltage from the UPS in static bypass. Voltage should be less than 2 volts.

Note: Q3 is a 4-pole circuit breaker. Be sure to measure L1 to L1, L2 to L2, and L3 to L3.

36 InfraStruXure System - Installation and Start-Up