Eaton 93PM Series - Page 121

Eaton 93PM UPS 480V Three-Wire – 100 kW Frame Installation and Operation Manual 164000227—Rev 07 109
CAUTION
In Bypass mode, the critical load is not protected from commercial power interruptions and abnormalities.
1. Tap the CONTROLS tab on the main menu navigation bar. The System Control screen is displayed.
2. Tap the GO TO BYPASS button.
All of the UPSs transfer to Bypass mode. and the critical load is immediately supplied by the bypass
source. If the bypass source is not available, the power module remains on and an alarm sounds.
The BYPASS status indicator is illuminated. The power module remains on.
WARNING
Power is present inside the UPS cabinet.
77..44..66 TTrraannssffeerr ffrroomm BByyppaassss ttoo DDoouubbllee CCoonnvveerrssiioonn MMooddee
To transfer the critical load to Normal mode:
1. Tap the CONTROLS tab on the main menu navigation bar. The System Control screen is displayed.
2. Tap the GO ONLINE button.
All of the UPSs transfer to Double Conversion mode. If the power module is not available, the system
remains on bypass and an alarm sounds.
The NORMAL status indicator is illuminated.
77..44..77 TTrraannssffeerr ffrroomm EESSSS MMooddee ttoo DDoouubbllee CCoonnvveerrssiioonn MMooddee
To transfer the load to Standard Normal mode:
1. Tap the CONTROLS tab on the main menu navigation bar. The Control screen is displayed.
2. Tap the EAA CONTROLS tab on the secondary Control menu navigation bar. The EAA CONTROLS screen
is displayed.
3. Tap the DISABLE ESS button.
All of the UPSs transfer to Double Conversion mode.
The NORMAL status indicator is illuminated.
77..44..88 TTrraannssffeerr ffrroomm DDoouubbllee CCoonnvveerrssiioonn MMooddee ttoo EESSSS MMooddee
To transfer the load to HE Normal mode:
1. Tap the CONTROLS tab on the main menu navigation bar. The Control screen is displayed.
2. Tap the EAA CONTROLS tab on the secondary Control menu navigation bar. The EAA CONTROLS screen
is displayed..
3. Tap the ENABLE ESS button.
All of the UPSs transfer to ESS mode if no abnormal power conditions are detected. If abnormal power
conditions are detected, the UPSs will wait and transfer to ESS mode when conditions are cleared.
The NORMAL status indicator is illuminated.
77..44..99 TTrraannssffeerr ffrroomm DDoouubbllee CCoonnvveerrssiioonn ttoo BByyppaassss MMooddee aanndd SShhuutt DDoowwnn aallll UUPPMMss
To transfer the critical load to Bypass mode and shut down the UPMs:
UPS Operating Instructions