Sears Home Services Training Guide: Refrigeration Basics: Dual Evaporators, Three-way Valves, and Four-way Valves 1.0.0

Contents

Dual Evaporators & Deep Evacuation........................................................................................................................................... 5

Introduction .................................................................................................................................................................................. 5

Course Objectives ....................................................................................................................................................................... 5

Evaporators ................................................................................................................................................................................. 5

Multiple Evaporators............................................................................................................................................................... 5 Four Evaporators with Valve .................................................................................................................................................. 7 4-way Valve - Samsung 4-door .............................................................................................................................................. 8 3-Way Valve ........................................................................................................................................................................... 9 Multi-port Valve Stepper Motor............................................................................................................................................. 10 3-Way Valve Service ............................................................................................................................................................ 11

Sealed System Service Procedure: Deep Evacuation .............................................................................................................. 12

Deep Evacuation Steps ........................................................................................................................................................ 12 Sealed System Job Codes ................................................................................................................................................... 14

Course Summary....................................................................................................................................................................... 15

PUB IH-02309-10