Table of Contents
Installation manual
4
RXA42+50A2V1B
R32 split series
3P517827-2 – 2017.12
Table of Contents
1 About the documentation
4
1.1
About this document..................................................................
4
2 About the box
4
2.1
Outdoor unit...............................................................................
4
2.1.1
To remove the accessories from the outdoor unit.......
4
3 Preparation
5
3.1
Preparing the installation site ....................................................
5
3.1.1
Installation site requirements of the outdoor unit ........
5
3.1.2
Additional installation site requirements of the
outdoor unit in cold climates .......................................
5
3.2
Preparing refrigerant piping .......................................................
6
3.2.1
Refrigerant piping requirements..................................
6
3.2.2
Refrigerant piping length and height difference ..........
6
3.2.3
Refrigerant piping insulation .......................................
6
4 Installation
6
4.1
Mounting the outdoor unit..........................................................
6
4.1.1
To provide the installation structure ............................
6
4.1.2
To install the outdoor unit............................................
7
4.1.3
To provide drainage ....................................................
7
4.1.4
To prevent the outdoor unit from falling over ..............
7
4.2
Connecting the refrigerant piping ..............................................
7
4.2.1
Guidelines when connecting the refrigerant piping .....
7
4.2.2
Using the stop valve and service port .........................
7
4.2.3
To connect the refrigerant piping to the outdoor unit ..
8
4.3
Checking the refrigerant piping .................................................
8
4.3.1
To check for leaks.......................................................
8
4.3.2
To perform vacuum drying ..........................................
8
4.4
Charging refrigerant ..................................................................
8
4.4.1
About charging refrigerant ..........................................
8
4.4.2
About the refrigerant ...................................................
9
4.4.3
To determine the additional refrigerant amount ..........
9
4.4.4
To determine the complete recharge amount .............
9
4.4.5
To charge additional refrigerant ..................................
9
4.4.6
To fix the fluorinated greenhouse gases label ............
9
4.5
Connecting the electrical wiring.................................................
10
4.5.1
Guidelines when connecting the electrical wiring ....... 10
4.5.2
Specifications of standard wiring components............ 10
4.5.3
To connect the electrical wiring on the outdoor unit.... 10
4.6
Finishing the outdoor unit installation ........................................
10
4.6.1
To finish the outdoor unit installation .......................... 10
4.7
About the compressor ...............................................................
11
5 Commissioning
11
5.1
Checklist before commissioning ................................................
11
5.2
Checklist during commissioning ................................................
11
5.3
To perform a test run .................................................................
11
6 Configuration
11
6.1
To set the facility mode .............................................................
11
7 Troubleshooting
12
7.1
Fault diagnosis using LED on outdoor unit PCB .......................
12
8 Disposal
12
8.1
To pump down...........................................................................
12
8.2
To start and stop forced cooling ................................................
12
8.2.1
To start/stop forced cooling using the indoor unit ON/
OFF switch.................................................................. 12
8.2.2
To start/stop forced cooling using the indoor unit
user interface .............................................................. 12
9 Technical data
14
9.1
Wiring diagram ..........................................................................
14
9.2
Piping diagram ..........................................................................
15
9.2.1
Piping diagram: Outdoor unit ...................................... 15
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
extranet (authentication required).
2
About the box
2.1
Outdoor unit
2.1.1
To remove the accessories from the
outdoor unit
1
Lift the outdoor unit.
2
Remove the accessories at the bottom of the package.
b
e
c
d
1×
a
1×
1×
1×
1×
a
General safety precautions
b
Outdoor unit installation manual
c
Fluorinated greenhouse gases label
d
Multilingual fluorinated greenhouse gases label
e
Drain plug (located on the bottom of the packing case)
