Table Of Contents; About The Documentation; About This Document - Daikin RXM25A5V1B Installation Manual

Table of contents

Table of contents
1 About the documentation
1.1 About this document..................................................................
2 Specific installer safety instructions
3 About the box
3.1 Outdoor unit............................................................................... 10
3.1.1 To remove the accessories from the outdoor unit....... 10
4 Unit installation
4.1 Preparing the installation site .................................................... 11
4.1.1 Installation site requirements of the outdoor unit ........ 11
4.1.2 Additional installation site requirements of the
outdoor unit in cold climates ....................................... 11
4.2 Mounting the outdoor unit.......................................................... 11
4.2.1 To provide the installation structure ............................ 11
4.2.2 To install the outdoor unit............................................ 12
4.2.3 To provide drainage .................................................... 12
5 Piping installation
5.1 Preparing refrigerant piping....................................................... 12
5.1.1 Refrigerant piping requirements.................................. 12
5.1.2 Refrigerant piping insulation ....................................... 13
5.1.3 Refrigerant piping length and height difference .......... 13
5.2 Connecting the refrigerant piping .............................................. 13
5.2.1 To connect the refrigerant piping to the outdoor unit .. 13
5.3 Checking the refrigerant piping ................................................. 13
5.3.1 To check for leaks....................................................... 13
5.3.2 To perform vacuum drying .......................................... 13
6 Charging refrigerant
6.1 About the refrigerant.................................................................. 14
6.2 To determine the additional refrigerant amount ........................ 14
6.3 To determine the complete recharge amount ........................... 14
6.4 To charge additional refrigerant ................................................ 14
6.5 To check refrigerant piping joints for leaks after charging
refrigerant .................................................................................. 14
6.6 To fix the fluorinated greenhouse gases label........................... 15
7 Electrical installation
7.1 Specifications of standard wiring components .......................... 15
7.2 To connect the electrical wiring to the outdoor unit ................... 16
8 Finishing the outdoor unit installation
8.1 To finish the outdoor unit installation......................................... 16
9 Commissioning
9.1 Checklist before commissioning................................................ 16
9.2 Checklist during commissioning ................................................ 17
9.3 To perform a test run................................................................. 17
10 Maintenance and service
11 Troubleshooting
11.1 Fault diagnosis using LED on outdoor unit PCB ....................... 17
12 Disposal
13 Technical data
13.1 Wiring diagram .......................................................................... 18
13.1.1 Unified wiring diagram legend..................................... 18
13.2 Piping diagram .......................................................................... 19
13.2.1 Piping diagram: Outdoor unit ...................................... 19
Installation manual
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1

About the documentation

1.1

About this document

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WARNING
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Make sure installation, servicing, maintenance, repair and
applied materials follow the instructions from Daikin
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(including all documents listed in "Documentation set")
and, in addition, comply with applicable legislation and are
performed by qualified persons only. In Europe and areas
where IEC standards apply, EN/IEC 60335-2-40 is the
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applicable standard.
INFORMATION
Make sure that the user has the printed documentation and
ask him/her to keep it for future reference.
Target audience
Authorised installers
INFORMATION
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This document only describes installation instructions
specific to the outdoor unit. For installation of the indoor
unit (mounting the indoor unit, connecting the refrigerant
piping to the indoor unit, connecting the electrical wiring to
the indoor unit ...), see the installation manual of the indoor
unit.
Documentation set
This document is part of a documentation set. The complete set
consists of:
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▪ 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)
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▪ Installer reference guide:
▪ Preparation of the installation, reference data, ...
▪ Format: Digital files on https://www.daikin.eu. Use the search
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function to find your model.
The latest revision of the supplied documentation is published on the
regional Daikin website and is available via your dealer.
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Scan the QR code below to find the full documentation set and more
information about your product on Daikin website.
RXM-A
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The original instructions are written in English. All other languages
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are translations of the original instructions.
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Technical engineering data
▪ A subset of the latest technical data is available on the regional
Daikin website (publicly accessible).
▪ The full set of the latest technical data is available on the Daikin
Business Portal (authentication required).
ARXM-A
RXM-A, ARXM-A
R32 split series
3P645642-7N - 2023.11