Emerson AC4 user manual To perform the update

System and Control Options

To perform the update:

1.At the Perform Firmware Update prompt, enter Y (Yes - begin) or N (No - cancel). The current setting appears in brackets—[N] in the following example.

>PERFORM FIRMWARE UPDATE-YES(Y) OR NO(N)? >[N]

>[

NOTE

The following instructions refer to the Microsoft Windows HyperTerminal program. These steps may vary for other communications programs.

2.The firmware update is a two-step process—this step describes how to upload the file prog###.s19 (where ### is a number—for example, prog118.s19) to the Liebert AC4:

a. At the top of the HyperTerminal window, shown below, click on Transfer, then on Send File.

Enter filename - prog###.s19 or flash###.s19

Select

Xmodem

Send button

b.In the Send File window, as shown above:

•In the Filename box, enter the full path of the file to be uploaded—prog###.s19—or click on the Browse button to locate the file.

•In the Protocol box, select Xmodem from the drop-down list.

•Click on the Send button. (To close the window without sending the file, click on Close or Cancel.)

•When the transfer is complete, a confirmation message appears in the Service Terminal Interface window.

3.Next, follow these steps to upload the file flash###.s19 (where ### is a number—for example, flash512.s19) to the Liebert AC4:

a.At the top of the HyperTerminal window, shown above, click on Transfer, then on Send File.

b.In the Send File window, shown above:

•In the Filename box, enter the full path of the file to be uploaded—flash###.s19—or click on the Browse button to locate the file.

•In the Protocol box, select Xmodem from the drop-down list.

•Click on the Send button. (To close the window without sending the file, click on Close or Cancel.)

•When the transfer is complete, a confirmation message—“Firmware Update Successful”— appears in the Service Terminal Interface window and the Liebert AC4 reboots with the new firmware update.

Liebert® AC4™ 42