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7 single upm shutdown – Powerware 9395 UPS and Plus 1 UPS 650825 kVA User Manual

Page 166

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UPS OPERATING INSTRUCTIONS

EATON Powerware

®

9395 UPS (650–825 kVA) Installation and Operation Manual

S 164201725 Rev 2 www.powerware.com

7−24

7.4.6

Transfer from Normal to Bypass Mode and Shut Down all UPSs

To transfer the critical load to Bypass mode and shut down all UPSs:

1.

Transfer the critical load to bypass by performing the procedure in
paragraph 7.4.4.

2.

Press the

CONTROLS

pushbutton on the main menu bar. The System Status

screen is displayed.

3.

On the System Status screen, select the

UPM

command.

4.

On the UPS Control Command screen, select the

UPM 1

command.

5.

Press the

CONTROLS

pushbutton on the System Status menu bar. The UPM 1

Control Command screen is displayed.

6.

On the UPM 1 Control Command screen, select

UPM OFF

.

7.

Press the

SELECT

pushbutton on the UPM 1 Command menu bar.

The UPM status indicates

SHUTDOWN

.

The input, output, and battery contactors

open, and the power module is turned off. The bypass source supplies the critical
load.

8.

Repeat Steps 2 through 7 selecting

UPM 2

to shut down UPM 2.

9.

Repeat Steps 2 through 7 selecting

UPM 3

to shut down UPM 3.

10. If the UPS is a Plus 1 model, repeat Steps 2 through 7 selecting

UPM 4

to shut

down UPM 4.

11. Repeat Steps 2 through 10 for each UPS in the distributed bypass system.

W

A

R

N

I

N

G

Power is present inside the UPS cabinet sections.

7.4.7

Single UPM Shutdown

To shutdown a single UPM:

1.

Press the

CONTROLS

pushbutton on the main menu bar. The System Status

screen is displayed.

2.

On the System Status screen, select the the UPM Command. The UPS Control
Command screen is displayed.

3.

On the UPS Control Command screen, select the the UPM to shutdown.

4.

Press the

CONTROLS

pushbutton on the System Status menu bar. The UPM

Control Command screen is displayed.

5.

On the UPM Control Command screen, select

UPM OFF

.

6.

Press the

SELECT

pushbutton on the UPM Command menu bar.

The UPM status indicates

SHUTDOWN

.

The input, output, and battery contactors

open, and the power module is turned off. The remaining UPMs supply the
critical load.