Lennox International Inc Lennox Air Handler, Merit CBX25UH Series installation instructions

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Installing Contractor’s Name_______________________

Installing Date_______________________________

Installing Contractor’s Phone_______________________

Air Handler Model #___________________________

Job Address____________________________________

 

1

Duct

System

8

Temperature

5

Duct Static

RETURN

AIR

Thermostat

 

 

9

 

 

Line Voltage

SUPPLY

 

 

AIR

Disconnect

Switch

 

 

 

 

 

 

3

 

2

Integrated Control

 

 

6

Blower Motor Amps

 

 

7

Electric Heat Amps

Filter

4

Drain Line

1DUCT SYSTEM SUPPLY AIR DUCT

 

Sealed

 

Insulated (if necessary)

 

Registers Open and Unobstructed

 

RETURN AIR DUCT

 

Sealed

 

Filter Installed and Clean

 

Registers Open and Unobstructed

2

INTEGRATED CONTROL

 

Jumpers Configured Correctly (if applicable)

 

Appropriate Links in Place (if applicable)

3

VOLTAGE CHECK

 

Supply Voltage ___________

 

Low Voltage _____________

 

Electrial Connections Tight

4DRAIN LINE Leak Free

5 TOTAL EXTERNAL STATIC (dry coil)

dry coil

wet coil

Supply External Static ______

______

Return External Static ______

______

Total External Static = ______

______

6ELECTRIC HEAT AMPS____________

7INDOOR BLOWER AMPS___________

INDOOR BLOWER CFM____________

8TEMPERATURE DROP (Cooling Mode) Return Duct Temperature ___________

Supply Duct Temperature − ___________

Temperature Drop = ___________

8TEMPERATURE RISE (Heating Mode) Return Duct Temperature __________

Supply Duct Temperature − __________

Temperature Rise = __________

9 THERMOSTAT Adjusted and Programmed

Operation Explained to Owner

Explained Operation of System to Homeowner

Technician’s Name:_______________________Date Start−Up & Performance Check Completed__________

Figure 16. Start-Up and Performance Checklist (Upflow Configuration)

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Contents General Table of ContentsShipping and Packing List CBX25UH Unit Dimensions inches mm AIR FlowInstallation Clearances RequirementsUpflow Application InstallationRefrigerant Metering Device Horizontal ApplicationsRIGHT-HAND AIR Discharge Remove two screws securing the blow-off preventionCondensate Drain Overflow Drain LineSloping the Drain Install Condensate DrainDuct System and Filters Test Condensate DrainSealing the Unit Connecting Refrigerant LinesInstalling Duct System Electrical Connections Volt ConversionAirflow Cooling Blower Speed Change Blower SpeedChanging Blower Speed Check-out Procedures OperationCabinet Insulation MaintenanceRepairing Damaged Insulation Emergency Heat Heating Heat PumpStart-Up and Performance Checklist Upflow Configuration Start-Up and Performance Checklist Horizontal Configuration

Merit CBX25UH Series, Lennox Air Handler specifications

Lennox International Inc is a leading provider of innovative HVAC systems, and among its standout products is the Merit CBX25UH Series, an advanced air handler designed to enhance indoor comfort while ensuring energy efficiency. This series is specifically designed for use with the Lennox cooling and heating systems, making it an ideal choice for homeowners seeking versatile climate control solutions.

One of the primary features of the Merit CBX25UH Series is its multi-position installation capability, allowing it to be configured for upflow, downflow, or horizontal airflow. This flexibility makes it suitable for a wide range of home layouts and needs. The series is designed for use with a variety of Lennox outdoor units, ensuring seamless integration into existing HVAC systems.

The air handler is equipped with a high-efficiency blower motor that optimizes airflow, enhancing indoor comfort while minimizing energy consumption. This variable-speed blower motor not only operates quietly but also adjusts airflow based on the specific heating or cooling demands of the home. This feature significantly improves energy efficiency, helping homeowners save on utility bills while reducing their environmental impact.

Another key technology in the Merit CBX25UH Series is its SmartLynx™ communicating technology, which allows for efficient communication between the air handler and other HVAC components. This advanced communication ensures that the system operates at peak performance, providing consistent and reliable heating and cooling throughout the space.

The CBX25UH also boasts a durable cabinet that offers excellent insulation, minimizing energy loss and enhancing overall system efficiency. The cabinet's design reduces noise levels, contributing to a more peaceful indoor environment. Additionally, the air handler features a robust filtration system that helps maintain indoor air quality by capturing dust and allergens, ensuring a healthier living space.

Lastly, the Merit CBX25UH Series is backed by Lennox’s renowned reliability and quality. Homeowners can have peace of mind knowing they are investing in a product designed to deliver dependable performance for years to come. Overall, the Merit CBX25UH Series is a top choice for those seeking a powerful, efficient, and flexible air handling solution within their HVAC system.
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