143 Copyright by Goodheart-Willcox Co., Inc. Aft er studying this chapter, you will be able to: • Explain the purpose of the evaporator. • Identify the major types of evaporators. • Explain the purpose of the condenser. • Explain the purpose of the accumulator. • Explain the purpose of the receiver-drier. • Describe the operation of pressure relief devices. absorption adsorption evaporator temperature control fusible plug high pressure switch interior air fi lter molecular sieve multifl ow condenser multiple-pass evaporator oil return hole orifi ce tube plate and fi n evaporator pressure relief valve refrigerant containment switch serpentine evaporator silica gel single-pass evaporator tube and fi n evaporator XH-5 XH-7 XH-9 Technical Terms Chapter 9 Evaporators, Condensers, Accumulators, and Receiver-Driers