3.Press RELEASE to remove the override and return the point to the PIC's automatic control.

Override IndicationÐ An override value is indicated by

``SUPVSR,'' ``SERVC,'' or ``BEST'' ¯ashing next to the point value on the Status table.

TIME SCHEDULE OPERATION (Fig. 16)

1.On the Menu screen, press SCHEDULE .

2.Press NEXT or PREVIOUS to highlight the de- sired schedule.

PSIO Software Version 08 and lower: OCCPC01S Ð LOCAL Time Schedule OCCPC02S Ð CCN Time Schedule

PSIO Software Version 09 and higher:

OCCPC01S Ð LOCAL Time Schedule

OCCPC02S Ð ICE BUILD Time Schedule

OCCPC03-99S Ð CCN Time Schedule (Actual

number is de®ned in

Con®g table.)

3. Press SELECT to access and view the time schedule.

Fig. 16 Ð Example of Time Schedule

Operation Screen

4.Press NEXT or PREVIOUS to highlight the de- sired period or override that you wish to change.

5.Press SELECT to access the highlighted period or override.

6.a. Press INCREASE or DECREASE to change the

time values. Override values are in one-hour incre- ments, up to 4 hours.

b. Press ENABLE to select days in the day-of-week

®elds. Press DISABLE to eliminate days from the period.

7.Press ENTER to register the values and to move horizontally (left to right) within a period.

8.Press EXIT to leave the period or override.

9.Either return to Step 4 to select another period or override, or press EXIT again to leave the current time schedule screen and save the changes.

10.Holiday Designation (HOLIDEF table) may be found in the Service Operation section, page 38. You must assign the month, day, and duration for the holiday. The Broad- cast function in the Brodefs table also must be enabled for holiday periods to function.

16

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Image 16
Carrier 19XL specifications Example of Time Schedule Operation Screen
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19XL specifications

The Carrier 19XL is a highly regarded commercial heating and cooling solution, designed to provide optimum performance and energy efficiency in various applications. This rooftop unit is engineered to meet the diverse needs of businesses, making it an ideal choice for those requiring reliable climate control in their facilities.

One of the standout features of the Carrier 19XL is its advanced cooling and heating capabilities. The unit utilizes a high-efficiency scroll compressor that ensures a quieter operation and improved reliability. The system can operate across a wide range of temperatures, making it versatile for various climates. Additionally, it offers both cooling and heating options, allowing for year-round comfort.

Energy efficiency is a focal point of the 19XL design. With an impressive Seasonal Energy Efficiency Ratio (SEER) and Heating Seasonal Performance Factor (HSPF), this unit not only helps reduce energy costs but also supports environmental sustainability initiatives. The unit is equipped with environmentally friendly refrigerants, further contributing to lower greenhouse gas emissions.

The Carrier 19XL features a user-friendly control system, allowing for easy monitoring and management of the unit's performance. This control system is designed to maximize energy savings, offering features such as demand control ventilation and integrated economizers that facilitate the use of outdoor air for cooling, reducing reliance on mechanical systems when conditions allow.

Construction-wise, the Carrier 19XL is built to withstand tough environmental conditions. Its robust cabinet is made from galvanized steel, providing durability and protection against the elements. The design also includes insulation to minimize noise levels, creating a more comfortable indoor environment.

Maintenance is a key consideration in the design of the 19XL. The unit features accessible service ports and a simplified access panel, allowing technicians to perform routine maintenance with ease. This proactive design helps ensure the longevity of the system and minimizes downtime, keeping operations running smoothly.

In summary, the Carrier 19XL is an exceptional choice for commercial heating and cooling needs. With its energy-efficient features, advanced technology, and durable construction, it stands out as a reliable solution for businesses looking for sustainable climate control options.
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