Table Of Contents - Fisher FSAI-SU-90AE2 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. Diagrams ............................................................................................................................................... 11

4.1 Refrigerant Cycle Diagram........................................................................................................... 11

4.2 Wiring Diagram ........................................................................................................................... 12

5 Installation Details .................................................................................................................................12

5.1 Wrench torque sheet for installation .........................................................................................

5.2 Connecting the cables ................................................................................................................ 14

5.3 Pipe length and the elevation ..................................................................................................... 15

5.4 Installation for the first time ......................................................................................................... 16

5.5 Adding the refrigerant after running the system for many years ................................................ 20

5.6 Re-installation while the indoor unit need to be repaired ........................................................... 21

5.7 Re-installation while the outdoor unit need to be repaired ......................................................... 23

6. Operation Characteristics.....................................................................................................................26

7. Electronic function................................................................................................................................27

7.1 Abbreviation ................................................................................................................................ 27

7.2 Display function ........................................................................................................................... 27

7.3 Main Protection ........................................................................................................................... 28

7.4 Operation Modes and Functions ................................................................................................. 30

8. Troubleshooting ....................................................................................................................................39

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