Lennox CB28UH Installation Instructions

Pages 14

Year 2003

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Lennox CB28UH Specification

The Lennox CB28UH is an efficient air handler designed to provide reliable comfort and energy efficiency for residential HVAC systems. It features a robust design with a galvanized steel cabinet that ensures durability and corrosion resistance, making it suitable for various environmental conditions. The unit is equipped with a high-efficiency motor that enhances performance while minimizing energy consumption, contributing to reduced utility bills and a smaller environmental footprint.

The CB28UH offers multiple airflow configurations, including upflow, horizontal left, and horizontal right, which provide flexibility in installation to accommodate diverse architectural layouts and ductwork designs. This adaptability ensures seamless integration with existing HVAC setups, enhancing overall system performance. The air handler is compatible with most air conditioners and heat pumps, making it a versatile choice for homeowners seeking an upgrade or replacement.

Integrated with Lennox’s advanced humidity control technology, the CB28UH maintains optimal indoor air quality by regulating moisture levels, thereby reducing the risk of mold growth and improving comfort. The unit's insulation is designed to minimize sound levels, providing quiet operation that ensures a peaceful indoor environment.

The Lennox CB28UH is designed with serviceability in mind, featuring easy access panels that simplify maintenance and routine inspections, thereby extending the lifespan of the system. Additionally, it supports a wide range of add-ons and enhancements, including advanced filtration systems, which can be incorporated to further improve air quality and system efficiency. Overall, the Lennox CB28UH air handler is a reliable, adaptable, and efficient component of modern HVAC systems, engineered to meet the demands of contemporary residential comfort and energy efficiency standards.

Lennox CB28UH F.A.Q.

How do I reset the filter reminder on my Lennox CB28UH?

To reset the filter reminder on your Lennox CB28UH, locate the filter reset button on the thermostat. Press and hold the button until the display resets. This typically takes about 5 seconds.

What is the proper way to clean the air filter for the Lennox CB28UH?

To clean the air filter, turn off the power to the unit, remove the filter, and either vacuum it or wash it with mild detergent and water. Allow the filter to dry completely before reinserting it.

How often should I schedule maintenance for my Lennox CB28UH?

It is recommended to schedule maintenance for your Lennox CB28UH at least once a year. Regular maintenance can help ensure optimal performance and extend the life of the unit.

What should I do if my Lennox CB28UH is not blowing air?

If your unit is not blowing air, check the thermostat settings, ensure the circuit breaker is not tripped, and verify that the blower motor is functioning. If the problem persists, contact a qualified technician.

How can I improve the efficiency of my Lennox CB28UH?

To improve efficiency, ensure regular maintenance, replace or clean filters regularly, keep vents and registers clear, and consider upgrading insulation in your home.

Why is my Lennox CB28UH making unusual noises?

Unusual noises can be caused by loose components, debris in the blower, or worn bearings. Inspect the unit carefully and tighten any loose parts. If noise persists, contact a technician for further diagnosis.

How do I change the blower speed on my Lennox CB28UH?

To change the blower speed, locate the blower motor wires in the control panel and refer to the wiring diagram. Adjust connections to change the speed setting. It's recommended to consult the manual or a professional technician.

What type of filter should be used with the Lennox CB28UH?

The Lennox CB28UH typically uses a standard 1-inch disposable filter. Check the unit's specifications for the correct size and type. High-efficiency filters can also be used for improved air quality.

Can I install a smart thermostat with my Lennox CB28UH?

Yes, a smart thermostat can be installed with your Lennox CB28UH. Ensure compatibility by checking the thermostat's installation requirements and consulting with a professional installer if needed.

What should I do if there is water leaking from my Lennox CB28UH?

Water leakage can be due to a clogged drain line or pan. Ensure the drain line is clear and the pan is not overflowing. Regular maintenance can prevent these issues. Contact a technician if the problem persists.