Notes:
1.
Do not
protect laser printers with the UPS because of the exceptionally high
power requirements of the heating elements.
2. Before you connect the UPS power cord to a power source, see “UPS initial
Installing the remote emergency power-off
The UPS includes a remote emergency power-off connector that enables you to
turn off power at the UPS output receptacles from a customer-supplied switch in a
remote location. For example, you can use this feature to shut down the load and
the UPS by thermal relay, in the event of a room overtemperature condition. When
a remote emergency power-off is activated, the UPS shuts down the output and all
its power converters immediately. The UPS logic power remains on to issue an
alarm.
The remote emergency power-off feature shuts down the connected devices
immediately and does not follow the orderly shutdown procedure that is initiated by
any power-management software.
Any devices that are operating on battery power are also shut down immediately.
When the remote emergency power-off switch is reset, the connected devices do
not return to battery power until the UPS is restarted manually.
Notes:
1. The remote emergency power-off contacts are open by default. To change this
setting, see the REPO setting in Table 8 on page 32.
2. For Europe, the emergency switch requirements are detailed in Harmonized
document HD-384-48 S1, “Electrical Installation of the Buildings, Part 4:
Protection for Safety, Chapter 46: Isolation and Switching.”
Table 3. Remote emergency power-off connections
Wire function
Terminal wire size rating
Suggested wire size
Remote emergency power-off 4 - 0.32 mm
2
(12 - 22 AWG)
0.82 mm
2
(18 AWG)
3. The pins must be open to keep the UPS running. If the UPS shuts down
because the remote emergency power-off connector pins are shorted, restart
the UPS by reopening the remote emergency power-off connector pins and
turning on the UPS manually. Maximum resistance in the shorted loop is 10
ohm.
4. To avoid accidental load loss, always test the remote emergency power-off
function before you apply your critical load.
14
11000 VA UPS and 11000 VA EBM: Installation and Maintenance Guide
Summary of Contents for 11000 VA LCD 5U
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