126
9395P 250 kVA / 275 kVA / 300 kVA
User’s and Installation Guide
7.
To restart the UPS after pressing the
LOAD OFF
pushbutton, follow the procedure in
paragraph 7.5.1
or 7.5.8.
7.5.25
Using the Remote Emergency Power-off Switch
A UPS emergency power-off is initiated by the
REPO
pushbutton switch. In an emergency, you can use
this switch to control the UPS output. The REPO switch de
‐
energizes the critical load and powers down
the UPS immediately, without asking for verification.
The UPS, including Bypass, remains off until restarted.
To use the REPO switch:
1.
Firmly push the red pushbutton until it locks into place. The switch latches into the
activated state
(see Figure 7
‐
46
).
The input, output, and bypass backfeed contactors open, the battery breaker or
disconnect is tripped,
and the power module is turned off immediately, without asking
for verification.
2.
To deactivate the REPO switch in preparation for restarting the UPS, insert the supplied key
and
rotate clockwise until the red pushbutton releases (see Figure 7
‐
46
). To remove the key,
rotate the
key back to the vertical position.
3.
Restart the UPS by following the procedure in paragraph 7.5.1 or 7.5.8 .
Deactivated
Unlock pushbutton to release
Activated
Pushbutton locked into place
User’s and Installation Guide
WARNING
Power is present inside the UPS cabinet until the upstream input feeder circuit breaker is opened.
CAUTION
All power to the critical load is lost when the REPO switch is activated in the following step. You should use this feature
only when you want to de
‐
energize the critical load.
NOTE
The following instructions are for the Eaton-supplied REPO switch. If a customer-supplied REPO switch is used, it may
not activate in the same manner; refer to the operating instructions provided with the switch.
CAUTION
Do not attempt to restart the system after the REPO until the cause of the shutdown has been identified and cleared.
Figure 7
-
46. REPO Operation
WARNING
Power is present inside the UPS cabinet until the upstream input feeder circuit breaker is opened.
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