Table of Contents
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Table of contents
1.1
About this document..................................................................
3.1
Outdoor unit...............................................................................
3.1.1
To unpack the outdoor unit .........................................
3.1.2
4.1
Preparing the installation site ....................................................
4.1.1
4.1.2
outdoor unit in cold climates .......................................
4.2
Mounting the outdoor unit..........................................................
4.2.1
To provide the installation structure ............................
4.2.2
To install the outdoor unit............................................
4.2.3
To provide drainage ....................................................
4.2.4
To prevent the outdoor unit from falling over ..............
5.1
Preparing refrigerant piping.......................................................
5.1.1
Refrigerant piping requirements..................................
5.1.2
5.1.3
Refrigerant piping insulation .......................................
5.2
Connecting the refrigerant piping ..............................................
5.2.1
About connecting the refrigerant piping ......................
5.2.2
5.2.3
5.3
Checking the refrigerant piping .................................................
5.3.1
To check for leaks.......................................................
5.3.2
To perform vacuum drying ..........................................
6.1
About charging refrigerant.........................................................
6.2
About the refrigerant..................................................................
6.3
To determine the additional refrigerant amount ........................
6.4
To determine the complete recharge amount ...........................
6.5
To charge additional refrigerant ................................................ 10
6.6
To fix the fluorinated greenhouse gases label........................... 10
7.1
Specifications of standard wiring components .......................... 10
7.2
To connect the electrical wiring to the outdoor unit ................... 10
8.1
To finish the outdoor unit installation......................................... 11
8.2
To close the outdoor unit........................................................... 11
9.1
Checklist before commissioning................................................ 11
9.2
Checklist during commissioning ................................................ 11
9.3
To perform a test run................................................................. 11
9.4
Starting up the outdoor unit ....................................................... 12
10.1
Fault diagnosis using LED on outdoor unit PCB ....................... 12
12.1
Wiring diagram .......................................................................... 13
12.1.1
Unified wiring diagram legend..................................... 13
12.2
Piping diagram .......................................................................... 15
12.2.1
Piping diagram: Outdoor unit ...................................... 15
ARXF20~42C5V1B
Daikin room air conditioners
3P519299-12X - 2020.12
1
About the documentation
1.1
About this document
3
3
INFORMATION
3
Make sure that the user has the printed documentation and
ask him/her to keep it for future reference.
5
Target audience
5
5
Authorised installers
5
WARNING
6
Make sure installation, servicing, maintenance, repair and
6
applied materials follow the instructions from Daikin and, in
6
addition, comply with applicable legislation and are
performed by qualified persons only. In Europe and areas
6
where IEC standards apply, EN/IEC 60335-2-40 is the
6
applicable standard.
6
7
INFORMATION
7
This document only describes installation instructions
7
specific to the outdoor unit. For installation of the indoor
unit (mounting the indoor unit, connecting the refrigerant
7
piping to the indoor unit, connecting the electrical wiring to
7
the indoor unit ...), see the installation manual of the indoor
7
unit.
7
7
Documentation set
8
This document is part of a documentation set. The complete set
8
consists of:
8
▪ General safety precautions:
8
8
▪ Safety instructions that you MUST read before installing
8
▪ Format: Paper (in the box of the outdoor unit)
8
▪ Outdoor unit installation manual:
9
▪ Installation instructions
9
9
▪ Format: Paper (in the box of the outdoor unit)
9
▪ Installer reference guide:
9
▪ Preparation of the installation, reference data,...
▪ Format: Digital files on
and-manuals/product-information/
10
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
11
are translations.
Technical engineering data
▪ A subset of the latest technical data is available on the regional
11
Daikin website (publicly accessible).
▪ The full set of latest technical data is available on the Daikin
Business Portal (authentication required).
12
2
Specific installer safety
instructions
12
Always observe the following safety instructions and regulations.
13
Unit installation (see
WARNING
Installation shall be done by an installer, the choice of
materials and installation shall comply with the applicable
legislation. In Europe, EN378 is the applicable standard.
Table of contents
http://www.daikineurope.com/support-
installation" [ 4 6])
"4 Unit
Installation manual
3
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