Setup And Configuration; Time-Out And Screensaver - Bryant Preferred Series Installation Instructions Manual

IMPORTANT: Table 10 illustrates the complete
hierarchy. Your menu parameters may be different
depending on your configuration.
For example, if you do not have a DCV (CO
then none of the DCV parameters appear and only MIN
POS will display. If you have a CO
MIN and DCV MAX will appear.
NOTE: Some parameters in the menus use the letters MA or
MAT, indicating a mixed air temperature sensor location before
the cooling coil. This unit application has the control sensor
located after the cooling coil, in the fan section, where it is des-
ignated as (Cooling) Supply Air Temperature or SAT sensor.
) sensor,
2
sensor, the DCV
2
32

SETUP AND CONFIGURATION

Before being placed into service, the W7220 Economizer mod-
ule must be set up and configured for the installed system.
IMPORTANT: During setup, the economizer module is
live at all times.
The setup process uses a hierarchical menu structure that is
easy to use. Press the ▲ and ▼ arrow buttons to move forward
and backward through the menus and press the button to select
and confirm setup item changes.

TIME-OUT AND SCREENSAVER

When no buttons have been pressed for 10 minutes, the LCD
displays a screen saver, which cycles through the Status items.
Each Status items displays in turn and cycles to the next item
after 5 seconds.