Economizer Controller
ACC-SVN203C-EN 13
Use of the Keypad When Working with
Menus
• Navigate to the desired menu.
• Press the
button (Enter) to display the first item in
the currently displayed menu.
•Use the
and buttons to scroll to the desired
parameter.
• Press the
button (Enter) to display the value of the
currently displayed item.
• Press the
button to increase (change) the displayed
parameter value.
• Press the
button to decrease (change) the
displayed parameter value.
Note: When value
s are displaye
d, pressing and holding
the or buttons causes the display to
automatically increment.
• Press the
button to accept the displayed value and
store it in non-volatile RAM.
• ‘CHANGE STORED’ displays.
• Press the
button (Menu Up) to return to the menu
list.
Time-out and Screensaver
When no buttons have been pressed for 10 minutes, the
LCD displays a screensaver, which cycles through the
Status items. Each Status item displays in turn and cycles
to the next item after 5 seconds.
Controller Menu Structure
Important: Table 4, p. 14 illustrates the complete
hierarchy. Your menu parameters will be
different depending on your configuration.
For example if you do not have a DCV (CO
2
)
sensor, then none of the DCV parameters
appear and only MIN POS will display. If you
have a CO
2
sensor, the DCV MIN and DCV
MAX will appear AND if you have 2 speed
fan DCV MIN (high and low speed) and DCV
MAX (high and low speed) will appear.
The menus in display order are:
•STATUS
• SETPOINTS
• SYSTEM SETUP
• ADVANCED SETUP
• CHECKOUT
•ALARMS
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