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S S t t a a r r t t t t h h e e U U P P S S s s y y s s t t e e m m i i n n t t h h e e b b y y p p a a s s s s m m o o d d e e
If the inverter output of the UPS is not available and the critical load needs to be energized, do this:
1. Close the UPS input feeder circuit breaker.
2. Close the UPS bypass input feeder circuit breaker.
3. Wait for the UPS control panel to become active and indicate logic power.
4. Repeat steps 1-3 for each single UPS in the system.
5. In the home screen, press Controls.
The System controls screen appears.
6. In the System Controls screen, make sure that the system status is SHUTDOWN.
7. In the System controls screen, press the Go to bypass button.
The critical load is immediately supplied by the bypass source, in the bypass mode.
The UPS system is now operates in the bypass mode. The yellow bypass status indicator is lit.
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T T r r a a n n s s f f e e r r f f r r o o m m t t h h e e b b y y p p a a s s s s m m o o d d e e t t o o t t h h e e d d o o u u b b l l e e c c o o n n v v e e r r s s i i o o n n m m o o d d e e
To transfer the critical load to the double conversion mode:
1. In the home screen, press Controls.
The System controls screen appears.
2. In the System controls screen, press the Go online button.
The UPS system transfers to the double conversion mode. If there is not enough UPM capacity
available, the system remains in the bypass mode and an alarm sounds.
The UPS now operates in the double conversion mode. The green status indicator for normal
operation is lit in all the UPSs and UPMs in the system. The system status is shown as UNIT
ONLINE. The UPM status is shown as ACTIVE.
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T T r r a a n n s s f f e e r r f f r r o o m m t t h h e e d d o o u u b b l l e e c c o o n n v v e e r r s s i i o o n n m m o o d d e e t t o o t t h h e e b b y y p p a a s s s s m m o o d d e e
To transfer the critical load to the bypass mode.
1. In the home screen, press Controls.
The System controls screen appears.
2. In the System controls screen, press the Go to bypass button.
The UPS system transfers to the bypass mode and the critical load is immediately supplied by the
bypass source. If the bypass source is not available, the power processor remains on and an alarm
sounds.
EATON 93PM G2 UPS
USER'S AND INSTALLATION GUIDE
In the bypass mode, the critical load is not protected from mains power
interruptions and abnormalities.
In the bypass mode, the critical load is not protected from mains power
interruptions and abnormalities.
CAUTION
CAUTION
P-164000956 - February 2021
www.eaton.eu
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