KOMAC00607-09EN
47
Or a line in a menu may be a link to further menus. This is often referred to as a jump
line, meaning pushing the navigation wheel will cause a “jump” to a new menu. An
arrow (
>
)is displayed to the far right of the line to indicate it is a “jump” line and the
entire line is highlighted when the cursor is on that line.
NOTE
- Only menus and items that are applicable to the specific unit configuration are
displayed.
This manual includes information relative to the operator level of parameters; data and
setpoints necessary for the every day operation of the chiller. There are more extensive
menus available for the use of service technicians.
Navigating
When power is applied to the control circuit, the controller screen will be active and display the
Home screen, which can also be accessed by pressing the Menu Button The navigating wheel is
the only navigating device necessary, although the MENU, ALARM, and BACK buttons can
provide shortcuts as explained later.
Passwords
The home screen has two lines:
•
Enter Password, links to the Entry screen, which is an editable screen So pressing
the wheel goes to the edit mode where the password (5321) can be entered. The first
(*) will be highlighted, rotate the wheel clockwise to the first number and set it by
pressing the wheel. Repeat for the remaining three numbers.
The password will time out after 10 minutes, adjustable up to 30 minutes, and is
cancelled if a new password is entered or the control powers down.
•
Continue W/O Password, which links to the Main Menu and allows access to a
limited number of parameters (with asterisks) as shown in
Figure 13
on page49.
Figure 11,
Password Menu
McQuay AWS
1/3
Enter Password
>
Continue W/O Password
>
Figure 12,
Password Entry Page
Enter Password
1/1
Enter ****
Entering an invalid password has the same effect as continuing without a password.
Once a valid password has been entered, the controller allows further changes and access
without requiring the user to enter a password until either the password timer expires or
a different password is entered. The default value for this password timer is 10 minutes.
It is changeable from 3 to 30 minutes via the Timer Settings menu in the Extended
Menus.
Navigation Mode
When the navigation wheel is turned clockwise, the cursor moves to the next line (down)
on the page. When the wheel is turned counter-clockwise the cursor moves to the
Summary of Contents for AWS
Page 8: ...8 KOMAC00607 09EN Figure 5 Piping Schematic with Economizer Circuit One Circuit ...
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