Table Of Contents - Fisher FSAI-Pro-91AE2 Service Manual

Room air conditioner split wall-mounted type

Table of Contents

1. Precaution .............................................................................................................................................. 3

1.1 Safety Precaution .......................................................................................................................... 3

1.2 Warning ......................................................................................................................................... 3

2. Function ................................................................................................................................................. 7

3. Dimension .............................................................................................................................................. 8

3.1 Indoor Unit ..................................................................................................................................... 8

3.2 Outdoor Unit ................................................................................................................................ 10

4. Refrigerant Cycle Diagram ................................................................................................................... 11

5. Wiring Diagram .....................................................................................................................................12

5.1 Indoor Unit ................................................................................................................................... 12

5.2 Outdoor Unit ................................................................................................................................ 14

6 Installation Details .................................................................................................................................17

6.1 Wrench torque sheet for installation ........................................................................................... 17

6.2 Connecting the cables ................................................................................................................ 17

6.3 Pipe length and the elevation ..................................................................................................... 18

6.4 Installation for the first time ......................................................................................................... 19

6.5 Adding the refrigerant after running the system for many years ................................................ 22

6.6 Re-installation while the indoor unit need to be repaired ........................................................... 23

6.7 Re-installation while the outdoor unit need to be repaired ......................................................... 25

7. Operation Characteristics.....................................................................................................................27

8. Electronic function................................................................................................................................28

8.1 Abbreviation ................................................................................................................................ 28

8.2 Display function ........................................................................................................................... 28

8.3 Main Protection ........................................................................................................................... 29

8.4 Operation Modes and Functions ................................................................................................. 31

9. Troubleshooting ....................................................................................................................................49

9.1 Indoor Unit Error Display............................................................................................................. 49

9.2 Diagnosis and Solution ............................................................................................................... 50

CONTENTS