Vertiv Liebert CRV Plus - Common Operational Function Examples

Vertiv | Liebert CRV+ | User Manual 51
Control button
Function descriptions
Esc button (ESC)
Exit the current menu and return to the Normal screen or previous menu
screen. Abort parameter change; silence the audible alarm
Up button
Move the cursor up or increase the parameter value. For a toggle selection:
scroll through the options. For a multi-screen menu: scroll up the screen
Down button
Move the cursor down or decrease the parameter value. For a toggle
selection: scroll through the options. For a multi-screen menu: scroll down
the screen
3.1.3 Common Operational function examples
Following are the examples that depict the way the micro-controller works in almost all the options.
Example 1
This section depicts the process where the password is entered to access the Main Menu. After the unit is
powered on, the unit starts up.
Following are the step-by-step instructions that can need to be adhered and implemented to enter the
Main menu.
 Press the Enter button to enter the Password screen.
 Next, press the Enter button again to highlight the input data field in the Password screen.
 Press the Up and Down button to change the current password number.
 Press the Enter button to confirm the password following which the Main Menu screen is populated
on the controller screen.
Example 2
This section depicts the process of changing parameters. The procedure is the same for almost all
parameters. In this example, the Hi Sup Temp in Alarm Stpt screen is used for illustration purposes:
Following are the step-by-step instructions of changing parameters for the Hi Sup Temp option:
 Press the Up and Down button to move the cursor to the Alarm menu option in the Main Menu
section.
 To enter the Alarm Menu, press the Enter button.
 Press the Up and Down button to move the cursor to the Alarm Set option on the Alarm Menu screen.
 Press the Enter button to access the Alarm Set screen.
 Press the Up and Down button to move the cursor to the Alarm Stpt in the Alarm Set Screen.
 Press the Enter button to enter the Alarm Stpt screen.
 Press the Enter button to highlight the parameter field of Hi Sup Temp.
 In order to select the parameter option, scroll using the UP and Down buttons. Select/change the
specific Parameter.