Eaton PowerPass 9PXPPDM1, Руководство пользователя

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MAINTENANCE BYPASS
Eaton 9PXTFMR5, 9PXPPDM2, 9PXTFMR11, and 9PXPPDM1 User's Guide S P-164000200 Rev 4
46
208V
2
4
0
V
NORMAL BYPASS
Figure 34. Setting the Bypass Switch to Bypass
4. Replace the 9PX PPDM square center cover.
5. Press the button on the UPS for approximately three seconds.
The UPS turns Off.
6. If optional Extended Battery Modules (EBMs) are installed, switch
the battery circuit breaker on the first EBM rear panel to the Off (O)
position.
7.
Unplug and disconnect cables before removing the UPS:
Unplug the EBM cable and the EBM communication cable from the
UPS.
Disconnect the 9PX PPDM input and output cords from the UPS
(see ”System Configuration Connections” on page 40 for
connection illustrations).
8. Remove the UPS.
Return to Normal UPS Protection
To reinstall the UPS and transfer your equipment from Maintenance
Bypass (AC Line operation) to the UPS:
1. If optional Extended Battery Modules (EBMs) are installed, switch
the battery circuit breaker on the first EBM rear panel to the On ( | )
position.
2. Plug the input and output cords of the 9PX PPDM model into the
input and output connectors on the UPS (see “System
Configuration Connections” on page 40 for connection illustrations).
3. Press and hold the button on the UPS until you hear the UPS
beep (approximately three seconds). The indicator remains On.