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Lennox CBX27UH Air Handlers Unit Maintenance

The Lennox CBX27UH Air Handlers Unit Maintenance is a procedure that inspects the components of your unit. Easily identify parts that need service or replacement from your service technician.
MaintainX
04/26/2021

Lennox CBX27UH Air Handlers Unit Maintenance

33 steps
The Lennox CBX27UH Air Handlers Unit Maintenance is a procedure that inspects the components of your unit. Easily identify parts that need service or replacement from your service technician.
  • IMPORTANT : Do not operate system without a filter. A filter is required to protect the coil, blower, and internal parts from excessive dirt and dust. The filter is placed in the return duct by the installer.

  • IMPORTANT: During installation, service or maintenance, make sure that copper tubing does not rub against metal edges or other copper tubing. Care should also be taken to ensure that tubing does not become kinked. Use wire ties to secure tubing to prevent

  • Do not secure electrical wires to tubing that carries hot refrigerant gas. Heat from the tubing may melt the wiring insulation causing a short circuit.

  • NOTE - Refer to outdoor unit installation instructions for system start-up instructions and refrigerant charging instructions.NOTE - Refer to outdoor unit installation instructions for system start-up instructions and refrigerant charging instructions.

  • PRE‐START‐UP CHECKS

  • CHECK BLOWER OPERATION

  • CHECK COOLING OPERATION

  • CHECK ELECTRIC HEATER (IF USED)

  • Use of Air Handler During Construction

  • Air handler units may be used for heating (heat pumps) or cooling of buildings under construction, if the following conditions are met:

Source: Lennox

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