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CASE and DUCT SYSTEMS. Chapter 8 Classroom Manual Page 155. OBJECTIVES. Identify types of case/duct systems. Discuss air distribution through the case/duct system. Understand the air flow through the case/duct system for defrost mode, heat mode, and cool mode. INTRODUCTION. INDEPENDENT.
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CASE and DUCT SYSTEMS • Chapter 8 • Classroom Manual • Page 155
OBJECTIVES • Identify types of case/duct systems. • Discuss air distribution through the case/duct system. • Understand the air flow through the case/duct system for defrost mode, heat mode, and cool mode.
INDEPENDENT • Upstream blower
INDEPENDENT • Downstream blower
SPLIT CASE • Upstream blower
SPLIT CASE • Downstream blower