American Power Conversion Bypass Static manual Bypass Operation

Bypass Operation

During bypass operation, the critical load is supplied directly by utility power. A single-line diagram will appear on the screen with an orange line indicating the power flow through the Bypass SSW to the load.

CAUTION!

Do not open Q2 or Q5 when the UPS is in bypass operation, as this action may result in a load drop or a failure of the UPS to support the load.

Bypass Static Switch

Delta inverter

Main inverter

Battery

Breaker Identification

Q1	UPS input breaker	Q5	Static bypass input breaker
Q2	UPS output breaker	Q7	Battery breaker 1
Q3	Manual bypass breaker	Q8	Battery breaker 2

Only operate a breaker when the associated breaker lamp is on.

Note

Symmetra® MW with Internal Bypass Static Switch - User Guide - 990-1756A-001 33