Daikin EKVDX-A - Table of Contents

Table of contents
Installer and user reference guide
2
EKVDX32~100A2VEB
VRV system air conditioner
4P664010-1 – 2021.08
Table of contents
1 About the documentation 5
1.1 About this document ...................................................................................................................................................... 5
2 General safety precautions 7
2.1 About the documentation .............................................................................................................................................. 7
2.1.1 Meaning of warnings and symbols ................................................................................................................ 7
2.2 For the installer............................................................................................................................................................... 8
2.2.1 General ........................................................................................................................................................... 8
2.2.2 Installation site ............................................................................................................................................... 9
2.2.3 Refrigerant — in case of R410A or R32.......................................................................................................... 10
2.2.4 Electrical ......................................................................................................................................................... 11
3 Specific installer safety instructions 14
3.1 Instructions for equipment using R32 refrigerant ......................................................................................................... 16
3.1.1 Installation space requirements..................................................................................................................... 18
3.1.2 To determine the charge limitations ............................................................................................................. 19
3.1.3 To determine the floor area........................................................................................................................... 22
For the user 24
4 User safety instructions 25
4.1 General............................................................................................................................................................................ 25
4.2 Instructions for safe operation ....................................................................................................................................... 26
5 About the system 31
5.1 System layout.................................................................................................................................................................. 31
5.2 Compatibility with VAM models..................................................................................................................................... 33
6 User interface 34
7 Operation 35
7.1 Before operation............................................................................................................................................................. 35
7.2 Operation range.............................................................................................................................................................. 35
7.3 About operation modes.................................................................................................................................................. 36
7.3.1 Basic operation modes................................................................................................................................... 36
7.3.2 Special heating operation modes................................................................................................................... 37
7.4 To operate the system.................................................................................................................................................... 37
8 Energy saving and optimum operation 38
9 Maintenance and service 39
9.1 Cleaning the air outlet .................................................................................................................................................... 39
9.1.1 To clean the air outlet .................................................................................................................................... 39
9.2 Maintenance before a long stop period......................................................................................................................... 39
9.3 Maintenance after a long stop period............................................................................................................................ 39
9.4 About the refrigerant...................................................................................................................................................... 39
9.4.1 About R32 refrigerant leakage safety ............................................................................................................ 40
10 Troubleshooting 42
10.1 Symptoms that are NOT system malfunctions............................................................................................................... 43
10.1.1 Symptom: The system does not operate....................................................................................................... 43
10.1.2 Symptom: White mist comes out of a unit (Indoor unit) .............................................................................. 44
10.1.3 Symptom: White mist comes out of a unit (Indoor unit, outdoor unit)........................................................ 44
10.1.4 Symptom: The user interface reads "U4" or "U5" and stops, but then restarts after a few minutes.......... 44
10.1.5 Symptom: Noise of air conditioners (Indoor unit)......................................................................................... 44
10.1.6 Symptom: Noise of air conditioners (Indoor unit, outdoor unit) .................................................................. 44
10.1.7 Symptom: Dust comes out of the unit........................................................................................................... 44
10.1.8 Symptom: The units can give off odours ....................................................................................................... 45
11 Relocation 46
12 Disposal 47
For the installer 48