Samsung AM072FXVAFH/AA Service Manual Download Page 4

Page: 4 / 20

Section 0

Samsung Electronics

Contents

5. PCB Diagram and Parts List ............................................................................... 5-1

5-1 ASS'Y PCB MAIN ...........................................................................................................................................................5-1

5-2 ASS'Y PCB MAIN-HUB ................................................................................................................................................5-3

5-3 ASS’Y PCB INVERTER ..................................................................................................................................................5-7

5-4 ASS’Y PCB FAN ..............................................................................................................................................................5-9

5-5 ASS’Y PCB EMI .......................................................................................................................................................... 5-11

5-6

SUB-COMM

................................................................................................................................................................ 5-12

6. Wiring Diagram ................................................................................................... 6-1

6-1

M072/096/120/144FXVA

...................................................................................................................................6-1

7. Cycle Diagram ...................................................................................................................7-1

7-1

AM072FXVAFH/AM072FXVAJH

..............................................................................................................................7-1

7-2

AM096FXVAJH/AM120FXVAJH

..............................................................................................................................7-1

7-3

AM096FXVAFH/AM120FXVAFH/AM144FXVAFH/AM144FXVAJH

............................................................7-2

7-4

AM072FXVAFR/AM072FXVAJR

...............................................................................................................................7-2

7-5

AM096FXVAJR/AM120FXVAJR

...............................................................................................................................7-3

7-6

AM096FXVAFR/AM120FXVAFR/AM144FXVAFR/AM144FXVAJR

..............................................................7-3

7-7 Cooling operation (H/R) ............................................................................................................................................7-4

7-8 Main cooling operation (H/R) .................................................................................................................................7-5

7-9 Heating operation (H/R) ............................................................................................................................................7-6

7-10 Main heating operation (H/R) ..............................................................................................................................7-7

7-11 Cooling operation (H/P) ..........................................................................................................................................7-8

7-12 Heating operation (H/P) .........................................................................................................................................7-9

7-13 Cycle Component Function Explanation .................................................................................................... 7-10

8. Key Options ......................................................................................................... 8-1

8-1 Outdoor unit option switch settings ...................................................................................................................8-1

8-2 How to set the key function of the outdoor unit ...........................................................................................8-2

8-3 How to check the view mode using a tact switch .........................................................................................8-4

9. Test Operation ..................................................................................................... 9-1

9-1 Auto Trial Operation ....................................................................................................................................................9-1

9-1-1 Auto Trial Operation Synopsis ..................................................................................................................9-1

9-1-2 Auto Trial Operation functions .................................................................................................................9-3

9-1-3 How to troubleshoot of the "Undetermined"....................................................................................9-4

9-1-4 Auto Trial Operation Error Code ........................................................................................................... 9-13

9-2 Amount of refrigerant automatically checking ............................................................................................ 9-14

10. Reference Sheet ..............................................................................................10-1

10-1

Nomenclature

.......................................................................................................................................................... 10-1