Components

EVAPORATOR COIL

COMPONENT

FUNCTION

MAINTENANCE

THERMAL EXPANSION VALVE
  • Regulates liquid refrigerant flow according to load conditions.
    		•
  • Inspect thermal bulb for security.
  • Check thermal bulb insulation.
  • Check and adjust superheat.
  • Check valve operation.

    • FRAME
  • Holds all tubing and fins. Provides support for mounting.
    		•
  • Check for damage, rust and corrosion.
  • Check for security in duct or system.
  • Clean drain pan. Check condensate drain piping.

    • FINS
  • Holds all tubing and fins. Provides support for mounting.
    		•
  • Straighten fins with coil comb and clean all surfaces as required.

    • DISTRIBUTOR TUBES
  • Extends surface area of coil tubes to provide efficient heat transfer.
    		•
  • Straighten fins with coil comb and clean all surfaces as required.

    • COIL TUBES
  • Provides for heat transfer between refrigerant and air.
    		•
  • Check for leaks with electronic detector or handle torch.