Daikin FXSA15A2VEB - Default Chapter; Table of Contents

Table of contents
Installer and user reference guide
2
FXSA15~140A2VEB
VRV system air conditioner
4P599622-1 – 2020.05
Table of contents
1 About the documentation 4
1.1 About this document ...................................................................................................................................................... 4
2 General safety precautions 5
2.1 About the documentation .............................................................................................................................................. 5
2.1.1 Meaning of warnings and symbols ................................................................................................................ 5
2.2 For the user..................................................................................................................................................................... 6
2.3 For the installer............................................................................................................................................................... 7
2.3.1 General ........................................................................................................................................................... 7
2.3.2 Installation site ............................................................................................................................................... 8
2.3.3 Refrigerant — in case of R410A or R32.......................................................................................................... 12
2.3.4 Brine................................................................................................................................................................ 13
2.3.5 Water .............................................................................................................................................................. 14
2.3.6 Electrical ......................................................................................................................................................... 14
3 Specific installer safety instructions 17
For the user 20
4 User safety instructions 21
4.1 General............................................................................................................................................................................ 21
4.2 Instructions for safe operation ....................................................................................................................................... 22
5 About the system 27
5.1 System layout.................................................................................................................................................................. 27
5.2 Information requirements for fan coil units................................................................................................................... 28
6 User interface 30
7 Before operation 31
8 Operation 32
8.1 Operation range.............................................................................................................................................................. 32
8.2 About operation modes.................................................................................................................................................. 32
8.2.1 Basic operation modes................................................................................................................................... 32
8.2.2 Special heating operation modes................................................................................................................... 33
8.3 To operate the system.................................................................................................................................................... 33
9 Energy saving and optimum operation 34
10 Maintenance and service 35
10.1 Precautions for maintenance and service...................................................................................................................... 35
10.2 Cleaning the air filter and air outlet ............................................................................................................................... 36
10.2.1 To clean the air filter ...................................................................................................................................... 36
10.2.2 To clean the air outlet .................................................................................................................................... 37
10.3 Maintenance before a long stop period......................................................................................................................... 37
10.4 Maintenance after a long stop period............................................................................................................................ 37
10.5 About the refrigerant...................................................................................................................................................... 38
10.5.1 About the refrigerant leakage sensor ............................................................................................................ 38
11 Troubleshooting 40
11.1 Symptoms that are NOT system malfunctions............................................................................................................... 41
11.1.1 Symptom: The system does not operate....................................................................................................... 41
11.1.2 Symptom: White mist comes out of a unit (Indoor unit) .............................................................................. 42
11.1.3 Symptom: White mist comes out of a unit (Indoor unit, outdoor unit)........................................................ 42
11.1.4 Symptom: The user interface reads "U4" or "U5" and stops, but then restarts after a few minutes.......... 42
11.1.5 Symptom: Noise of air conditioners (Indoor unit)......................................................................................... 42
11.1.6 Symptom: Noise of air conditioners (Indoor unit, outdoor unit) .................................................................. 42
11.1.7 Symptom: Dust comes out of the unit........................................................................................................... 42
11.1.8 Symptom: The units can give off odours ....................................................................................................... 42
12 Relocation 43
13 Disposal 44