4 transfer from normal to bypass mode, 5 transfer from bypass to normal mode, Follow the procedure in paragraph 7.3.5 – Powerware 9395 UPS 10001100 kVA Manuel d'utilisation

Page 138

Advertising
background image

UPS OPERATING INSTRUCTIONS

EATON Powerware

®

9395 UPS (1000–1100 kVA) Installation and Operation Manual

S 164201764 Rev 1 www.powerware.com

7−14

7.3.4

Transfer from Normal to Bypass Mode

To transfer the critical load to Bypass mode:

C

A

U

T

I

O

N

In Bypass mode, the critical load is not protected from commercial power interruptions and abnormalities.

1.

Press the

CONTROLS

pushbutton on the main menu bar. The System Status

screen is displayed.

2.

On the System Status screen, select the

BYPASS

command.

3.

Press the

CONTROLS

pushbutton on the System Status menu bar. The Bypass

Control Command screen is displayed.

4.

On the Bypass Control Command screen, select

GO TO BYPASS

.

5.

Press the

SELECT

pushbutton on the Bypass Command menu bar.

The UPS transfers to Bypass mode and the critical load is immediately supplied
by the bypass source. If the bypass source is not available, the power module
remains on and an alarm sounds.

The

BYPASS

status indicator is illuminated. The Bypass status indicates

ON. The

UPM status indicates

READY. The power module remains on.

W

A

R

N

I

N

G

Power is present inside the UPS cabinet sections.

7.3.5

Transfer from Bypass to Normal Mode

To transfer the critical load to Normal mode:

1.

If not already closed, close the battery breaker.

2.

Press the

CONTROLS

pushbutton on the main menu bar. The System Status

screen is displayed.

3.

On the System Status screen, select the

UPS

command.

4.

Press the

CONTROLS

pushbutton on the System Status menu bar. The UPS

Control Command screen is displayed.

5.

On the UPS Control Command screen, select

GO TO NORMAL

.

6.

Press the

SELECT

pushbutton on the UPS Command menu bar.

The UPS transfers to Normal mode. If the power module is not available, the
system remains on bypass and an alarm sounds.

The

NORMAL

status indicator is illuminated. The UPS status indicates

ONLINE.

The UPM status indicates

ONLINE.

Advertising