Table of contents
Installer and user reference guide
2
FAA71+100BUV1B
Split system air conditioner
4P654517-1 – 2021.03
Table of contents
1 About the documentation 5
1.1 About this document ...................................................................................................................................................... 5
1.2 Meaning of warnings and symbols................................................................................................................................. 6
2 General safety precautions 8
2.1 For the installer............................................................................................................................................................... 8
2.1.1 General ........................................................................................................................................................... 8
2.1.2 Installation site ............................................................................................................................................... 9
2.1.3 Refrigerant — in case of R410A or R32.......................................................................................................... 12
2.1.4 Electrical ......................................................................................................................................................... 13
3 Specific installer safety instructions 16
For the user 18
4 User safety instructions 19
4.1 General............................................................................................................................................................................ 19
4.2 Instructions for safe operation ....................................................................................................................................... 20
5 About the system 25
5.1 System layout.................................................................................................................................................................. 25
6 User interface 27
7 Before operation 28
8 Operation 29
8.1 Operation range.............................................................................................................................................................. 29
8.2 About operation modes.................................................................................................................................................. 30
8.2.1 Basic operation modes................................................................................................................................... 30
8.2.2 Special heating operation modes................................................................................................................... 31
8.2.3 Airflow direction ............................................................................................................................................. 31
8.3 To operate the system.................................................................................................................................................... 32
9 Energy saving and optimum operation 33
10 Maintenance and service 34
10.1 Precautions for maintenance and service...................................................................................................................... 34
10.2 Cleaning the unit............................................................................................................................................................. 35
10.2.1 To clean the air outlet and exterior ............................................................................................................... 35
10.2.2 To clean the front panel ................................................................................................................................. 35
10.2.3 To clean the air filter ...................................................................................................................................... 36
10.3 Maintenance before a long stop period......................................................................................................................... 37
10.4 Maintenance after a long stop period............................................................................................................................ 37
10.5 About the refrigerant...................................................................................................................................................... 38
11 Troubleshooting 39
11.1 Symptoms that are NOT system malfunctions............................................................................................................... 40
11.1.1 Symptom: The system does not operate....................................................................................................... 40
11.1.2 Symptom: The fan speed does not correspond to the setting...................................................................... 40
11.1.3 Symptom: The fan direction does not correspond to the setting................................................................. 40
11.1.4 Symptom: White mist comes out of a unit (Indoor unit) .............................................................................. 41
11.1.5 Symptom: White mist comes out of a unit (Indoor unit, outdoor unit)........................................................ 41
11.1.6 Symptom: The user interface reads "U4" or "U5" and stops, but then restarts after a few minutes.......... 41
11.1.7 Symptom: Noise of air conditioners (Indoor unit)......................................................................................... 41
11.1.8 Symptom: Noise of air conditioners (Indoor unit, outdoor unit) .................................................................. 41
11.1.9 Symptom: Dust comes out of the unit........................................................................................................... 41
11.1.10 Symptom: The units can give off odours ....................................................................................................... 41
12 Relocation 42
13 Disposal 43
For the installer 44
14 About the box 45