Components

GAS FIRED UNIT HEATER

COMPONENT

FUNCTION

MAINTENANCE

HOUSING
  • Provides air direction and velocity.
    		•
  • Check mounts for security.
  • Clean and remove external/internal dirt accumulation.

    • FAN
  • Circulates air in the system.
    		•
  • Inspect and clean.
  • Check for proper rotation and alignment.
  • Perform vibration test.

    • MOTOR
  • Provides energy source for fan operation.
    		•
  • Check current.
  • Perform vibration test.
  • Lubricate motor bearings.

    • BURNER SECTION
  • Transfer heat from fuel to heating medium.
    		•
  • Check flame composition and shape.
  • Perform combustion and draft test.
  • Inspect and clean orifices, passages and nozzles.
  • Adjust fuel/air ratio.
  • Check gas pressure regulator setting.

    • CONTROLS
  • Controls temperature and provides safety measures.
    		•
  • Perform operational tests and assure proper settings:
  • Operating controls
  • High temperature safety control.
  • Flame failure safety limit.