Password Interface; Main Menu; Submenu - Liebert PEX+ Series User Manual

5.4.3 Password Interface

Press the ENTER key under the main interface or shutdown interface to enter the password interface as shown in
Figure 5-4. Three levels of passwords are provided for accessing the menu interface. After entering the different levels
of passwords, you can operate the corresponding menus, and see Table 5-4 for user, initial password and the access
level for menus of each password level, where user can operate the menus that require Level 1 Password, and
Emerson technicians can operate the menus that require Level 2 & 3 Passwords. The access level for any menu item
is indicated by a number enclosed in brackets at the end of each menu, such as [1], [2] and [3].
Password level
Level 1
Level 2
Level 3
Note
The menus that require Level 2 & 3 Passwords are operated by Emerson technicians;
If password is wrongly entered, press ESC to return and make modifications.

5.5 Main Menu

The controller menus are constructed in a tree-like structure, as shown in Appendix 2
Controller (Standard Configuration).
After user starts up the unit, in the Main Interface, press Enter to enter Password Interface, then enter the main
menu and each submenu to query, set or modify the parameters.
Enter the main menu interface, and operate according to the following procedures:
1. Press the ENTER key to enter the password interface;
2. Press the ENTER key to highlight the input data field in the password interface;
3. Press the UP or DOWN key to change the current number;
4. Press the Enter key to confirm the password and enter the Main Menu interface.

5.6 Submenu

1.
The Main Menu includes 10 sub-menus and is displayed on two screens, as shown in Figure 5-5.
2.
The menus are classified into user menus and professional maintenance menus according to different password
protection levels. User menus are described in 5.7 User Menu and professional maintenance menus are described
in 5.8 Professional Maintenance Menus.
Figure 5-3 Shutdown interface
Figure 5-4 Password interface
Table 5-4 Password level
Liebert. PEX+Series Precision Air Conditioner
Chapter 5 Controller Operation Instructions
User
General operator
Emerson technicians
Emerson technicians
User Manual
Initial password
0001
****
****
Menu Structure of PACC
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