Patent ID: 6510999
Filing Date: 2003-01-28
Classification: F16K,F24F,Y10T

Abstract:
A thermostat three-way control valve equipped with an automatic air vent valve for air conditioning fan-coil unit, comprising:a thermostat three-way control valve located between a chilled supply water branch pipe and a chilled water return pipe of a fan-coil unit such that chilled water can flow through the chilled water supply branch pipe, into the fan-coil unit and exit the fan-coil unit via the chilled water return branch pipe; and an automatic air vent valve located above the thermostat three-way control valve automatically vents air accumulated in the fan-coil unit such that no residual air is trapped in the cooling coil of the fan-coil unit in order to maintain heat exchange efficiency of the fan-coil unit.