Operation: Set Up the Display

Pressure units. Set the units of measure for pressure readings and settings to either English (psig) or metric (kPa).

Adjust display

Path: Main > Setup > System # > Display > Display Adjust

Set the LCD contrast. Adjust the visibility of the screen text. Lower numbered settings provide darker text; higher numbers provide lighter text. Settings range from 0–7.

Key Click. Enable or disable a beep sound every time a key is pressed on the display interface.

How to update the firmware

Path: Main > Setup > System # > Display > Update Firmware

To update the controller firmware:

1.Go to www.apc.com/tools/download/ and check for the most recent version of the firmware.

2.If a newer version is available, download it to a location that can be accessed in step 4.

Stop the System before updating the firmware. For instructions, see “Stop the

System” on page 5.

3.Set up the serial connection:

a.Connect an available serial port of your computer to the DB-9 serial port on the right side of the electrical panel (connector J2), using the supplied serial cable (APC Part Number 940- 0103). To extend the cable, use APC cable number 940-1000A with 940-0103.

b.Run a terminal emulation program, such as HyperTerminal®.

c.Configure the following settings on the serial port you selected:

Baud Rate

19200

Data Bits

8

Parity

None

Stop Bits

1

Flow Control

None

Some terminal emulation programs require that you disconnect and then reconnect the terminal session for the new serial port settings to take effect.

Note

4.On the display interface, Select YES from the Update Firmware menu. Use the path you selected in step 2.

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NetworkAIR IR Operation, Maintenance, and Troubleshooting

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American Power Conversion Central Air Conditioning System manual Adjust display, How to update the firmware

Central Air Conditioning System specifications

American Power Conversion (APC) is renowned for delivering innovative solutions in the realm of power management, but its contributions don't stop there. The company has also made significant advancements in central air conditioning systems. Featuring cutting-edge technologies and energy-efficient designs, their HVAC systems are tailored to meet modern needs while ensuring comfort and sustainability.

One of the standout features of APC central air conditioning systems is their variable speed compressor technology. This advanced system operates at different speeds rather than just cycling on and off. By adjusting the compressor speed to match the cooling demand, these systems optimize energy consumption, leading to lower electricity bills and extended equipment lifespan.

APC's systems also incorporate smart thermostat capabilities, allowing homeowners to monitor and control their air conditioning remotely. Through a mobile app, users can adjust temperature settings, create schedules, and receive maintenance alerts, all of which enhance convenience and efficiency. Furthermore, these smart thermostats can learn user habits over time, automatically adjusting temperature settings to maximize comfort and savings.

Another key characteristic of APC central air conditioning systems is their commitment to eco-friendly refrigerants. Utilizing low global warming potential (GWP) refrigerants, these systems minimize the environmental impact while maintaining high-performance standards. With energy efficiency ratings that often exceed industry benchmarks, APC systems contribute to reduced greenhouse gas emissions and help homeowners adopt sustainable practices.

The design of APC air conditioning units is also noteworthy. They are constructed with durable materials that withstand various weather conditions, ensuring reliability during the hottest months. Additionally, the streamlined design of these systems enhances aesthetic appeal, making them a suitable choice for modern homes.

In conclusion, the American Power Conversion central air conditioning system exemplifies the synergy of innovative technology, energy efficiency, and user-friendly features. With variable speed compressors, smart controls, eco-friendly refrigerants, and robust construction, APC provides homeowners with a dependable and sustainable climate control solution. As demand for energy-efficient products continues to grow, APC is poised to lead the way in intelligent air conditioning solutions that prioritize both comfort and environmental responsibility.