User`s guide

4-10 Display Terminals
Time Schedules
The DX controller stores eight time schedules used to schedule actions
on a weekly basis. Each schedule defines up to eight time slots. Each
time slot defines a start time, a stop time, and one or more weekdays.
When the current day and time-of-day agree with all of the conditions
of any time slot, the output of the corresponding time schedule is set to
On. The DX LCD Display can be used to view and edit the schedules
of the connected DX controller. For more information, see the
publications listed in the Introduction to DX LCD Display chapter of
this guide.
Holidays
The DX controller stores up to 30 holiday periods for use in its time
schedules (see the previous section, Time Schedules). Each holiday
period is defined as a starting date and ending date, where both dates
and the days in between are considered holidays. The DX LCD
Display can be used to view and define the holiday periods of the
connected DX controller.
IMPORTANT: If the DX controller is connected to a Metasys
supervisory system, then the supervisory system
automatically synchronizes its holiday periods with
the controller. In this case, define the holiday periods
on the supervisory system instead of with the
DX LCD Display.
Optimal Start/Stop Parameters
The DX controller contains two Optimal Start/Stop modules. They can
be used to provide optimal startup and shutdown of HVAC equipment
before building occupancy begins and before building occupancy ends.
For more information on the Optimal Start/Stop feature, see the
documents listed in the Introduction to DX LCD Display chapter. The
DX LCD Display can be used to view and change the parameters of
the Optimal Start/Stop modules of the connected DX controller. There
are two screens of parameters for each module.