Daikin FXSA15A2VEB

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17 | Piping installation

Installer and user reference guide

FXSA15~140A2VEB

VRV system air conditioner

4P599622-1 – 2020.05

NOTICE

Make sure to insulate all refrigerant piping. Any exposed piping might cause

condensation.

Main Page

Default Chapter2
- Table of Contents2
1 About the Documentation4
- About this Document4
2 General Safety Precautions5
- About the Documentation5
  - Meaning of Warnings and Symbols5
- For the User6
- For the Installer7
3 Specific Installer Safety Instructions17
For the User20
4 User Safety Instructions21
- General21
- Instructions for Safe Operation22
5 About the System27
- System Layout27
- Information Requirements for Fan Coil Units28
6 User Interface30
7 Before Operation31
8 Operation32
- Operation Range32
- About Operation Modes32
  - Basic Operation Modes32
  - Special Heating Operation Modes33
- To Operate the System33
9 Energy Saving and Optimum Operation34
10 Maintenance and Service35
- Precautions for Maintenance and Service35
- Cleaning the Air Filter and Air Outlet36
  - To Clean the Air Filter36
  - To Clean the Air Outlet37
- Maintenance before a Long Stop Period37
- Maintenance after a Long Stop Period37
- About the Refrigerant38
  - About the Refrigerant Leakage Sensor38
11 Troubleshooting40
- Symptoms that Are NOT System Malfunctions41
12 Relocation43
13 Disposal44
For the Installer45
14 About the Box46
- Overview: about the Box46
- Indoor Unit46
  - To Unpack and Handle the Unit46
  - To Remove the Accessories from the Indoor Unit47
15 About the Units and Options48
- Identification48
  - Identification Label: Indoor Unit48
- About the Indoor Unit48
- System Layout48
- Combining Units and Options49
  - Possible Options for the Indoor Unit49
16 Unit Installation51
- Preparing the Installation Site51
  - Installation Site Requirements of the Indoor Unit51
- Mounting the Indoor Unit54
17 Piping Installation61
- Preparing Refrigerant Piping61
  - Refrigerant Piping Requirements61
  - Refrigerant Piping Insulation62
- Connecting the Refrigerant Piping62
18 Electrical Installation67
- About Connecting the Electrical Wiring67
- To Connect the Electrical Wiring to the Indoor Unit70
19 Commissioning72
- Overview: Commissioning72
- Precautions When Commissioning72
- Checklist before Commissioning72
- To Perform a Test Run73
20 Configuration74
- Field Setting74
21 Hand-Over to the User79
22 Troubleshooting80
- Solving Problems Based on Error Codes80
  - Error Codes: Overview80
23 Disposal82
24 Technical Data83
- Wiring Diagram83
  - Unified Wiring Diagram Legend83
25 Glossary86

Daikin FXSA15A2VEB - Page 66

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