Carrier 19XL - Manual (Page 153)

Input the Design Set Points
Access the LID set point screen and view/modify the base demand limit set point, and either
the LCW set point or the ECW set point. The PIC can control a set point to either the leaving or
entering chilled water. This control method is set in the Equipment Configuration table, Config
table.
Input the Local Occupied Schedule (OCCPC01S)
Access the schedule OCCPC01S screen on the LID and set up the occupied time schedule
per the customer’s requirements. If no schedule is available, the default is factory set for 24
hours occupied 7 days per week including holidays.
For more information about how to set up a time schedule, see the Controls section.
The CCN Occupied Schedule (OCCPC03S) should be configured if a CCN system is being
installed or if a secondary time schedule is needed.
Selecting Refrigerant Type
The 19XL control must be configured for the refrigerant being used, either HCFC-22 or
HFC-134a.
To Confirm Refrigerant Type
Confirm that the correct refrigerant type is indicated by entering the Controls Test tables on
the Service menu, Figure 17 . Select REFRIGERANT TYPE. The screen will display the current