Table of Contents
Installer reference guide
3
FDXM25~60F3V1B
Split system air conditioners
4P482333-1 – 2017.03
Table of Contents
1 General safety precautions
3
1.1
About the documentation ..........................................................
3
1.1.1
Meaning of warnings and symbols..............................
3
1.2
For the installer..........................................................................
4
1.2.1
General .......................................................................
4
1.2.2
Installation site ............................................................
4
1.2.3
Refrigerant ..................................................................
4
1.2.4
Brine............................................................................
5
1.2.5
Water ..........................................................................
5
1.2.6
Electrical .....................................................................
5
2 About the documentation
6
2.1
About this document..................................................................
6
3 About the box
6
3.1
Overview: About the box ...........................................................
6
3.2
Indoor unit .................................................................................
6
3.2.1
To unpack and handle the unit....................................
6
3.2.2
To remove the accessories from the indoor unit.........
7
4 About the units and options
7
4.1
Overview: About the units and options......................................
7
4.2
System layout ............................................................................
7
4.3
Combining units and options .....................................................
7
4.3.1
Possible options for the indoor unit.............................
7
5 Preparation
7
5.1
Overview: Preparation ...............................................................
7
5.2
Preparing installation site ..........................................................
7
5.2.1
Installation site requirements of the indoor unit ..........
8
5.3
Preparing refrigerant piping .......................................................
8
5.3.1
Refrigerant piping requirements..................................
8
5.3.2
Refrigerant piping insulation .......................................
9
5.4
Preparing electrical wiring .........................................................
9
5.4.1
About preparing electrical wiring.................................
9
6 Installation
9
6.1
Overview: Installation ................................................................
9
6.2
Mounting the indoor unit............................................................
9
6.2.1
Precautions when mounting the indoor unit................
9
6.2.2
Guidelines when installing the indoor unit...................
9
6.2.3
Guidelines when installing the ducting........................ 10
6.2.4
Guidelines when installing the drain piping................. 11
6.3
Connecting the refrigerant piping ..............................................
11
6.3.1
About connecting the refrigerant piping ...................... 11
6.3.2
Precautions when connecting the refrigerant piping ... 12
6.3.3
Guidelines when connecting the refrigerant piping ..... 12
6.3.4
Pipe bending guidelines.............................................. 12
6.3.5
To flare the pipe end ................................................... 12
6.3.6
To braze the pipe end ................................................. 13
6.3.7
To connect the refrigerant piping to the indoor unit .... 13
6.4
Connecting the electrical wiring.................................................
13
6.4.1
About connecting the electrical wiring......................... 13
6.4.2
Precautions when connecting the electrical wiring ..... 13
6.4.3
Guidelines when connecting the electrical wiring ....... 13
6.4.4
To connect the electrical wiring on the indoor unit...... 14
6.4.5
Specifications of standard wiring components............ 15
7 Configuration
15
7.1
Field settings .............................................................................
15
8 Commissioning
15
8.1
Overview: Commissioning .........................................................
15
8.2
Checklist before commissioning ................................................
15
8.3
To perform a test run .................................................................
15
8.4
Error codes when performing a test run ....................................
16
9 Hand-over to the user
16
10 Disposal
16
11 Technical data
16
11.1
Wiring diagram ........................................................................... 17
1
General safety precautions
1.1
About the documentation
▪ The original documentation is written in English. All other
languages are translations.
▪ The precautions described in this document cover very important
topics, follow them carefully.
▪ The installation of the system, and all activities described in the
installation manual and the installer reference guide must be
performed by an authorized installer.
1.1.1
Meaning of warnings and symbols
DANGER
Indicates a situation that results in death or serious injury.
DANGER: RISK OF ELECTROCUTION
Indicates a situation that could result in electrocution.
DANGER: RISK OF BURNING
Indicates a situation that could result in burning because of
extreme hot or cold temperatures.
DANGER: RISK OF EXPLOSION
Indicates a situation that could result in explosion.
WARNING
Indicates a situation that could result in death or serious
injury.
WARNING: FLAMMABLE MATERIAL
CAUTION
Indicates a situation that could result in minor or moderate
injury.
NOTICE
Indicates a situation that could result in equipment or
property damage.
INFORMATION
Indicates useful tips or additional information.
Symbol
Explanation
Before installation, read the installation and
operation manual, and the wiring instruction sheet.
Before performing maintenance and service tasks,
read the service manual.
For more information, see the installer and user
reference guide.
