Emerson 208 Manuel D’Utilisation

Follow these steps to start up the UPS.
1. Ensure the manual bypass switch is in 

UPS position. Close Input Circuit Breaker 

(CB1) and close the Control Enable 

Switch (SW2). You should see the 

following on the LCD display window:

2. Press  

or   

button. 

3. Press 

to access the Main Menu.

Use the following procedure to power down 

the UPS.
1. Press 

 to disable power from the 

connected equipment. 

2. Verify request to disable the output by 

pressing .

3. Turn off the Enable Switch (SW2). Open 

the Input Circuit Breaker (CB1).

To manually transfer the UPS to bypass, 

move the manual bypass switch to the bypass 

position. The manual bypass switch is behind 

the front bottom bezel. To transfer the UPS 

from bypass to normal mode, follow the on-

screen instructions.

Once 

 is pressed, the bypass alarm will 

annunciate and cannot be canceled until the 

manual bypass switch is operated.

To transfer the UPS from bypass to normal 

mode, simply operate the manual bypass 

switch back to the UPS position.
On return from bypass, the following screen 

will be displayed.

UPS Initializing

Please wait . . .

*Press

to Enable

UPS Output.

ESC

On Mains/Utility
Output % = xx
Battery Minutes yyy
Press

for menu 

NOTE
The load is not protected from utility 

Press

for bypass

Press ESC to cancel

Assert manual bypass

UPS on manual bypass

No active alarms
See Event Log