Components

AIR HANDLING UNIT

COMPONENT

FUNCTION

MAINTENANCE

FAN
  • Moves conditioned air to area being served.
    		•
  • Inspect and clean.
  • Check for proper rotation.
  • Perform vibration test.

    • MOTOR
  • Provides energy source for fan operation.
    		•
  • Perform vibration test.
  • Lubricate.
  • Examine motor mount resiliency.

    • MOTOR STARTER
  • Controls on/off operation of motor.
    		•
  • Inspect starter coils and contact.
  • Tighten electrical connections.
  • Check current and heater size.

    • COOLING COIL
  • Provides cooling source for area being served.
    		•
  • Measure inlet and outlet temperature for efficiency.
  • Inspect and clean.
  • Straighten fins.
  • Check for damage or leaks.

    • HEATING COIL
  • Provides heat source for area being served.
    		•
  • Measure inlet and outlet temperature for efficiency.
  • Inspect and clean.
  • Straighten fins.
  • Check for damage or leaks.

    • FACE AND BYPASS DAMPERS
  • Regulates air flow through or around the heating and cooling coils.
    		•
  • Lubricate bearings.
  • Check for proper close off and operation.
  • Tighten any loose linkage connections.

    • FILTERS
  • Cleans the air entering the unit and area being served.
    		•
  • Replace as required.

    • RETURN AIR DAMPERS
  • Regulates the quantity of return air entering the unit.
    		•
  • Lubricate bearings.
  • Check for proper close off and operation.
  • Tighten any loose linkage connections.

    • OUTSIDE AIR DAMPERS
  • Regulates the quantity of outside air entering the units.
    		•
  • Lubricate bearings.
  • Check for proper close off and operation.
  • Tighten any loose linkage connections.