American Power Conversion Bypass Static Manuale Utente
Operation Modes: System Shutdown from Online to Manual Bypass Operation
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Symmetra® MW with Internal Bypass Static Switch - User Guide - 990-1756A-001
System Shutdown from Online to Manual Bypass Operation of single mains/utility
systems - Step-by-Step
1. Press Operation/Configuration on the UPS Summary screen.
2. Select Shutdown on the Operation screen.
3. Press “Initiate Transfer” to initiate the transfer to Static Bypass Operation.
4. Ensure that the green H3 light is illuminated and close the Q3 maintenance bypass breaker.
5. Push OFF button on UPS display to power down the UPS.
6. Ensure that the H2 light is illuminated, indicating that it is safe to operate the Q2 breaker, and
open the Q2 breaker.
7. Ensure that the green H7 and H8 lights are illuminated, and open Q7 and Q8 breakers to isolate
the UPS from battery power.
8. Open the Q1 breaker.
System Shutdown from Online to Manual Bypass Operation of dual mains/utility
systems - Step-by-Step
1. Press Operation/Configuration on the UPS Summary screen.
2. Select Shutdown on the Operation screen.
3. Press “Initiate Transfer” to initiate the transfer to Static Bypass Operation.
4. Ensure that the green H3 light is illuminated and close the Q3 maintenance bypass breaker.
5. Open the Q5 static input switch breaker.
6. Push OFF button on UPS display to power down the UPS.
7. Ensure that the H2 light is illuminated, indicating that it is safe to operate the Q2 breaker, and
open the Q2 breaker.
8. Ensure that the green H7 and H8 lights are illuminated, and open Q7 and Q8 breakers to isolate
the UPS from battery power.
9. Open the Q1 breaker.