Rooftop unit maintenance suggestions, How to maintain Rooftop Units

Rooftop unit maintenance suggestions speaks to how to maintain rooftop units and rooftop maintenance procedures.

  • Check for accumulation on filters. Clean or replace as required.
  • Check air filter housing integrity.
  • Check UV lamp. Clean or replace as required.
  • Check control system and devices for proper operation. Repair or replace as required.
  • Check P trap. Prime as needed for the rooftop air conditioning unit.
  • Check operation of variable speed frquency drive for operation.
  • Check fan belt tension. Adjust as necessary, replace if required.
  • Check operation of cooling and or heating coil. Adjsut fins as required.
  • Check control box for dirt, debris and or loose terminations. Clean and tighten as required.

  • Check motor contactor for pitting or other signs of damage. Repair or replace as required.

  • Check refrigerant systems pressures or temperatures. Adjsut or repair as required.

  • Check drive alignment, wear, seating and operation. Repair or replace as required.

  • Check integrity of all panels on equipment. Replace fasteners as needed to ensure proper integrity and fit of equipment.

  • Lubricate field serviceable bearings.

  • Check for evidence of buildup or fouling on heat exchange surfaces. Clean as required.

  • Check drain pan, drain line and coil for biological growth. Clean as needed.

  • Check evaporator coil fins. Restore if required.

  • Inspect for evidence of moisture carryover beyond the drain pan from cooling coil. Repair as required.

  • Check for proper damper operation. Repair if required.

  • Inspect air cooled condenser surfaces. Clean as required.

  • Check low ambient head pressure control sequence for proper operation. Repair or replace components as required.

  • Check for excessive scale or debris on condenser surfaces. Clean as required.

  • Check combustion chamber, burner and flue for deterioration, leaks, moisture problems, condensation and combustion products. Clean, test and adjust combustion process for proper operation.

  • Visually inspect areas of moisture accumulation for biological growth. If present, clean or disinfect as needed.

  • Check condensate pump. Clean or repair as required.

    Building Maintenance Checklist

    Return from Rooftop Unit Maintenance to Homepage

    Hard copy and E book for sale. Introduction to Building Mechanical Systems. Click here.

    Hard copy and E book for sale. What's Killing You and What You Can Do About It. A humourous look at ageing and disease. Click here.