Samsung AQ18VBA - Page 3

Operating Instructions and Installation
2 Samsung Electronics
Contents
19. Circuit Descriptions ...................................................................................................................... 9-1
9-1 PCB Circuit Descriptions .................................................................................................................. 9-1
9-2 Refrigerating Cycle Diagram
.......................................................................................................... 9-3
10. PCB Diagram ..................................................................................................................................... 10-1
10-1 Indoor PCB ....................................................................................................................................... 10-1
10-2 Outdoor PCB ................................................................................................................................... 10-2
11. Operating Instructions .............................................................................................................. 11-1
11-1 Name of Each Part .......................................................................................................................... 11-1
11-2 Wireless Remote Control-Buttons and Display ........................................................................ 11-3
11-
3 Main Function ................................................................................................................................. 11-4
12. Troubleshooting ............................................................................................................................ 12-1
12-1 Items to be checked first .............................................................................................................. 12-1
12-2 Fault Diagnosis by Symptom
....................................................................................................... 12-2
12-3 PCB Inspection Method
................................................................................................................ 12-20
12-4 Main Part Inspection Method
...................................................................................................... 12-22
13. Block Diagram ................................................................................................................................. 13-1
13-1 Indoor Unit ...................................................................................................................................... 13-1
13-2 Outdoor Unit ................................................................................................................................... 13-3
14. Reference Sheet .............................................................................................................................. 14-1
14-1 Index for Model Name .................................................................................................................. 14-1
14-2 Low Refrigerant Pressure Distribution
....................................................................................... 14-2
14-3 Pressure & Capacity mark
............................................................................................................. 14-3
14-4 Q & A for Non-trouble
................................................................................................................... 14-4
14-5 Cleaning/Filter Change
................................................................................................................. 14-7
14-6 Installation
....................................................................................................................................... 14-9
14-7 Installation Diagram of Indoor Unit and Outdoor Unit
.......................................................... 14-10