Table of contents
Installation and operation manual
3
FXFQ20~125BVEB
VRV system air conditioner
4P540926-1B – 2019.01
Table of contents
1 About the documentation
3
1.1
About this document..................................................................
3
For the installer
4
2 About the box
4
2.1
Indoor unit .................................................................................
4
2.1.1
To remove the accessories from the indoor unit.........
4
3 Preparation
4
3.1
Preparing the installation site ....................................................
4
3.1.1
Installation site requirements of the indoor unit ..........
4
4 Installation
5
4.1
Mounting the indoor unit............................................................
5
4.1.1
Guidelines when installing the indoor unit...................
5
4.1.2
Guidelines when installing the drain piping.................
6
4.2
Connecting the refrigerant piping ..............................................
7
4.2.1
To connect the refrigerant piping to the indoor unit ....
7
4.3
Connecting the electrical wiring.................................................
7
4.3.1
Specifications of standard wiring components............
8
4.3.2
To connect the electrical wiring on the indoor unit......
8
5 Configuration
9
5.1
Field settings .............................................................................
9
6 Commissioning
10
6.1
Checklist before commissioning ................................................
10
6.2
To perform a test run .................................................................
10
6.3
Error codes when performing a test run ....................................
11
7 Disposal
11
8 Technical data
11
8.1
Piping diagram: Indoor unit .......................................................
11
8.2
Wiring diagram ..........................................................................
11
8.2.1
Unified wiring diagram legend..................................... 11
For the user
12
9 About the system
12
10 User interface
12
11 Before operation
13
12 Operation
13
12.1
Operating the system ................................................................
13
12.1.1
About operating the system ........................................ 13
12.1.2
About cooling, heating, fan only, and automatic
operation ..................................................................... 13
12.1.3
About the heating operation........................................ 13
12.1.4
To operate the system ................................................ 13
12.2
Using the dry program ...............................................................
13
12.2.1
About the dry program ................................................ 13
12.2.2
To use the dry program............................................... 13
12.3
Adjusting the air flow direction...................................................
13
12.3.1
About the air flow flap .................................................. 14
12.4
Active circulation airflow ............................................................. 14
12.4.1
To start the active circulation airflow............................ 14
13 Maintenance and service
14
13.1
Precautions for maintenance and service .................................. 14
13.2
Cleaning the air filter, suction grille, air outlet and outside
panels ......................................................................................... 15
13.2.1
To clean the air filter .................................................... 15
13.2.2
To clean the suction grille ............................................ 15
13.2.3
To clean the air outlet and outside panels ................... 16
13.3
Maintenance after a long stop period ......................................... 16
13.4
Maintenance before a long stop period ...................................... 16
13.5
About the refrigerant................................................................... 16
14 Troubleshooting
16
15 Disposal
17
1
About the documentation
1.1
About this document
Target audience
Authorised inst end users
INFORMATION
This appliance is intended to be used by expert or trained
users in shops, in light industry and on farms, or for
commercial use by lay persons.
Documentation set
This document is part of a documentation set. The complete set
consists of:
▪
General safety precautions:
▪ Safety instructions that you must read before installing
▪ Format: Paper (in the box of the indoor unit)
▪
Indoor unit installation and operation manual:
▪ Installation and operation instructions
▪ Format: Paper (in the box of the indoor unit)
▪
Installer and user reference guide:
▪ Preparation of the installation, good practices, reference data,…
▪ Detailed step-by-step instructions and background information
for basic and advanced usage
▪ Format: Digital files on
http://www.daikineurope.com/support-
and-manuals/product-information/
Latest revisions of the supplied documentation may be available on
the regional Daikin website or via your dealer.
The original documentation is written in English. All other languages
are translations.
Technical engineering data
▪ A
subset
of the latest technical data is available on the regional
Daikin website (publicly accessible).
▪ The
full set
of latest technical data is available on the Daikin
extranet (authentication required).
