Table Of Contents - EdgeStar CWB8420DZ Service Manual

24 inch built-in wine and beverage cooler with french doors

Owner's manual (16 pages)

Table of Contents

Contents

1. Safety Warnings .......................................................................................................................................... 5

1.1 Warnings and Safety Instructions ......................................................................................................... 5

1.2 Safety Instructions for R600a Refrigerant ............................................................................................ 8

2. Refrigeration System .................................................................................................................................. 9

2.1 Refrigerant Cycle Diagrams .................................................................................................................. 9

2.2 Refrigeration Process .......................................................................................................................... 11

2.3 Refrigeration System Components ..................................................................................................... 12

2.4 Service Precautions for R600A Refrigerant ............................................................................................ 13

2.5 Performance Checks ........................................................................................................................... 15

2.6 Leak Testing ........................................................................................................................................ 16

3. Exploded Diagrams and Part Lists ............................................................................................................. 17

3.1 CWB1760FD Exploded Diagram ......................................................................................................... 17

3.2 CWB1760FD Parts List ........................................................................................................................ 18

3.3 CWB8420DZ Exploded Diagram ......................................................................................................... 19

3.4 CWB8420DZ Parts List ........................................................................................................................ 20

4. Electronic Controls .................................................................................................................................... 21

4.1. Modes ................................................................................................................................................ 21

4.2 Alarms ................................................................................................................................................. 21

4.3 Other Functions .................................................................................................................................. 22

4.4 Fan Operation ..................................................................................................................................... 22

4.5 Control System Self-Check .................................................................................................................. 23

4.6 Test Mode ........................................................................................................................................... 23

5. Schematic Diagrams ................................................................................................................................. 23

5.1 CWB1760FD Wiring Diagram .............................................................................................................. 23

5.2 CWB8420DZ Wiring Diagram .............................................................................................................. 24

5.3 Power PCB .......................................................................................................................................... 24

5.4 Control PCB ........................................................................................................................................ 25

6. Compressor Compartment Components ................................................................................................. 26

7. Reversing the Door Swing (CWB8420DZ) ................................................................................................. 27

8. Replacing Main Components .................................................................................................................... 28

8.1 Replacing the Control PCB (CWB1760FD) ........................................................................................... 28