Daikin ARXP20L5V1B, Installation Manual

Page: 5 / 16

Table of contents
Installation manual
5
(A)RXP20~3 RXF20~3 RXF20~25B5V1B
R32 split series
3P519299-2H – 2019.09
Table of contents
1 About the documentation 5
1.1 About this document.................................................................. 5
2 About the box 5
2.1 Outdoor unit............................................................................... 5
2.1.1 To unpack the outdoor unit ......................................... 5
2.1.2 To remove the accessories from the outdoor unit....... 6
3 Preparation 6
3.1 Preparing the installation site .................................................... 6
3.1.1 Installation site requirements of the outdoor unit ........ 6
3.1.2 Additional installation site requirements of the
outdoor unit in cold climates .......................................
6
3.2 Preparing refrigerant piping ....................................................... 7
3.2.1 Refrigerant piping requirements.................................. 7
3.2.2 Refrigerant piping length and height difference .......... 7
3.2.3 Refrigerant piping insulation ....................................... 7
4 Installation 7
4.1 Opening the units ...................................................................... 7
4.1.1 To open the outdoor unit............................................. 7
4.2 Mounting the outdoor unit.......................................................... 7
4.2.1 To provide the installation structure ............................ 7
4.2.2 To install the outdoor unit............................................ 8
4.2.3 To provide drainage .................................................... 8
4.2.4 To prevent the outdoor unit from falling over .............. 8
4.3 Connecting the refrigerant piping .............................................. 8
4.3.1 About connecting the refrigerant piping ...................... 8
4.3.2 Precautions when connecting the refrigerant piping ... 8
4.3.3 To connect the refrigerant piping to the outdoor unit .. 8
4.4 Checking the refrigerant piping ................................................. 9
4.4.1 To check for leaks....................................................... 9
4.4.2 To perform vacuum drying .......................................... 9
4.5 Charging refrigerant .................................................................. 9
4.5.1 About charging refrigerant .......................................... 9
4.5.2 About the refrigerant ................................................... 9
4.5.3 To determine the additional refrigerant amount .......... 10
4.5.4 To determine the complete recharge amount ............. 10
4.5.5 To charge additional refrigerant .................................. 10
4.5.6 To fix the fluorinated greenhouse gases label ............ 10
4.6 Connecting the electrical wiring................................................. 10
4.6.1 Specifications of standard wiring components............ 11
4.6.2 To connect the electrical wiring on the outdoor unit.... 11
4.7 Finishing the outdoor unit installation ........................................ 11
4.7.1 To finish the outdoor unit installation .......................... 11
4.7.2 To close the outdoor unit ............................................ 11
5 Commissioning 11
5.1 Checklist before commissioning ................................................ 11
5.2 Checklist during commissioning ................................................ 12
5.3 To perform a test run ................................................................. 12
5.4 Starting up the outdoor unit ....................................................... 12
6 Disposal 12
6.1 Overview: Disposal.................................................................... 12
6.2 To pump down........................................................................... 12
6.3 To start and stop forced cooling ................................................ 13
6.3.1 To start/stop forced cooling using the indoor unit ON/
OFF switch.................................................................. 13
6.3.2 To start/stop forced cooling using the indoor unit
user interface .............................................................. 13
7 Technical data 14
7.1 Wiring diagram .......................................................................... 14
1 About the documentation
1.1 About this document
INFORMATION
Make sure that the user has the printed documentation and
ask him/her to keep it for future reference.
Target audience
Authorised installers
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 outdoor unit)
▪ Outdoor unit installation manual:
▪ Installation instructions
▪ Format: Paper (in the box of the outdoor unit)
▪ Installer reference guide:
▪ Preparation of the installation, reference data,…
▪ 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
Business Portal (authentication required).
2 About the box
2.1 Outdoor unit
2.1.1 To unpack the outdoor unit