Charger Control; Using The Ups Load Off Pushbutton Or Command - Eaton Power Xpert Plus 1 Installation And Operation Manual

UPS OPERATING INSTRUCTIONS
t
7-42
Power Xpert 9395 UPS (450–550 kVA) Installation and Operation Manual
7.4.24

Charger Control

To turn the battery charger on:
1. Press the
CONTROLS
screen is displayed.
2. On the System Status screen, select the
3. Press the
CONTROLS
Control Command screen is displayed.
4. On the Charger Control Command screen, select
5. Press the
SELECT
To turn the battery charger off:
1. Press the
CONTROLS
screen is displayed.
2. On the System Status screen, select the
3. Press the
CONTROLS
Control Command screen is displayed.
4. On the Charger Control Command screen, select
5. Press the
SELECT
7.4.25

Using the UPS LOAD OFF Pushbutton or Command

A UPS Load Off is initiated by the
Load Off command on the UPS Control Command screen, or Load Off command on
the Bypass Control Command screen. The UPS
by powering down the UPS and de‐energizing the critical load.
The UPSs (including Bypass) remain off until restarted.
NOTE The UPS Load Off controls each UPS independently and does not shut down the whole distributed
bypass system unless all UPSs have been transferred to bypass. To immediately shut down the whole system,
use the REPO switch (see paragraph 7.4.26).
To use the
LOAD OFF
1. Press the
LOAD OFF
The Load Off screen is displayed, providing a choice to proceed or abort the
shutdown.
All power to the critical load is lost when the LOAD OFF is selected in the following step. You should use this
feature only when you want to de‐energize the critical load.
2. To shut down the UPS, press
three seconds. To abort the shutdown, press
When LOAD OFF is selected and held for three seconds, the input, output,
battery, and bypass backfeed contactors open, and the power module is turned
off on the UPS.
pushbutton on the main menu bar. The System Status
CHARGER
pushbutton on the System Status menu bar. The Charger
pushbutton on the Charger Command menu bar.
pushbutton on the main menu bar. The System Status
CHARGER
pushbutton on the System Status menu bar. The Charger
pushbutton on the Charger Command menu bar.
pushbutton from the main menu bar, the
LOAD OFF
pushbutton:
pushbutton on the UPS to shut down.
C A U T I O N
from the Load Off menu bar, and hold for
LOAD OFF
S
164201701 Rev 3 www.eaton.com/powerquality
command.
.
CHARGER ON
command.
.
CHARGER OFF
controls the UPSs outputs
LOAD OFF
.
CANCEL