With regard to economizers installed on packaged air-conditioning chillers, which of the following statements is false?
a. Economizers control the flow of liquid refrigerant from the evaporator to the condenser
b. Liquid refrigerant levels in each chamber are controlled by float operated, valves
c. The upper float chamber is connected to the bottom of the condenser
d. The economizer float chamber is connected via the motor to the second stage inlet of the compressor
e. It is composed of two chambers
Answer: A