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Table of contents
Installation and operation manual
3
FFA25~60A2VEB
Split system air conditioners
4P456960-1 – 2017.03
Table of contents
1 About the documentation
3
1.1
About this document..................................................................
3
For the installer
4
2 About the box
4
2.1
Indoor unit .................................................................................
4
2.1.1
To remove the accessories from the indoor unit.........
4
3 About the units and options
4
3.1
About the indoor unit .................................................................
4
3.2
System layout ............................................................................
5
4 Preparation
5
4.1
Preparing installation site ..........................................................
5
4.1.1
Installation site requirements of the indoor unit ..........
5
5 Installation
5
5.1
Mounting the indoor unit............................................................
5
5.1.1
Precautions when mounting the indoor unit................
5
5.1.2
Guidelines when installing the indoor unit...................
5
5.1.3
Guidelines when installing the drain piping.................
6
5.2
Connecting the refrigerant piping ..............................................
8
5.2.1
About connecting the refrigerant piping ......................
8
5.2.2
Precautions when connecting the refrigerant piping ...
8
5.2.3
Guidelines when connecting the refrigerant piping .....
8
5.2.4
Pipe bending guidelines..............................................
9
5.2.5
To flare the pipe end ...................................................
9
5.2.6
To braze the pipe end .................................................
9
5.2.7
To connect the refrigerant piping to the indoor unit ....
9
5.3
Connecting the electrical wiring.................................................
9
5.3.1
About connecting the electrical wiring......................... 10
5.3.2
Precautions when connecting the electrical wiring ..... 10
5.3.3
Guidelines when connecting the electrical wiring ....... 10
5.3.4
Specifications of standard wiring components............ 10
5.3.5
To connect the electrical wiring on the indoor unit...... 10
6 Configuration
11
6.1
Field settings .............................................................................
11
7 Commissioning
11
7.1
Overview: Commissioning .........................................................
11
7.2
Precautions when commissioning .............................................
11
7.3
Checklist before commissioning ................................................
12
7.4
To perform a test run .................................................................
12
7.5
Error codes when performing a test run ....................................
13
8 Disposal
13
9 Technical data
13
9.1
Piping diagram: Indoor unit .......................................................
13
9.2
Wiring diagram ..........................................................................
14
For the user
15
10 About the system
15
10.1
System layout ............................................................................
15
11 User interface
15
12 Operation
15
12.1
Operation range ........................................................................
15
12.2
Operating the system ................................................................
16
12.2.1
About operating the system ........................................ 16
12.2.2
About cooling, heating, fan only, and automatic
operation ..................................................................... 16
12.2.3
About the heating operation......................................... 16
12.2.4
To operate the system ................................................. 16
12.3
Using the dry program ................................................................ 16
12.3.1
About the dry program ................................................. 16
12.3.2
To use the dry program................................................ 16
12.4
Adjusting the air flow direction.................................................... 16
12.4.1
About the air flow flap .................................................. 16
13 Maintenance and service
17
13.1
Cleaning the air filter, suction grille, air outlet and outside
panels ........................................................................................ 17
13.1.1
To clean the air filter .................................................... 17
13.1.2
To clean the suction grille ............................................ 17
13.1.3
To clean the air outlet and outside panels ................... 18
13.2
Maintenance after a long stop period ......................................... 18
13.3
Maintenance before a long stop period ...................................... 18
13.4
About the refrigerant................................................................... 18
13.5
After-sales service and warranty ................................................ 19
13.5.1
Warranty period ........................................................... 19
13.5.2
Recommended maintenance and inspection............... 19
13.5.3
Recommended maintenance and inspection cycles.... 19
13.5.4
Shortened maintenance and replacement cycles ........ 19
14 Troubleshooting
20
14.1
Symptoms that are NOT system malfunctions ........................... 20
14.1.1
Symptom: The system does not operate ..................... 20
14.1.2
Symptom: The fan strength does not correspond to
the setting .................................................................... 20
14.1.3
Symptom: The fan direction does not correspond to
the setting .................................................................... 20
14.1.4
Symptom: White mist comes out of a unit (Indoor
unit) .............................................................................. 21
14.1.5
Symptom: White mist comes out of a unit (Indoor
unit, outdoor unit) ......................................................... 21
14.1.6
Symptom: The user interface display reads "U4" or
"U5" and stops, but then restarts after a few minutes .. 21
14.1.7
Symptom: Noise of air conditioners (Indoor unit)......... 21
14.1.8
Symptom: Noise of air conditioners (Indoor unit,
outdoor unit)................................................................. 21
14.1.9
Symptom: Noise of air conditioners (Outdoor unit) ...... 21
14.1.10 Symptom: Dust comes out of the unit .......................... 21
14.1.11 Symptom: The units can give off odours...................... 21
14.1.12 Symptom: The outdoor unit fan does not spin ............. 21
14.1.13 Symptom: The display shows "88"............................... 21
14.1.14 Symptom: The compressor in the outdoor unit does
not stop after a short heating operation ....................... 21
15 Relocation
21
16 Disposal
21
1
About the documentation
1.1
About this document
Target audience
Authorised inst end users
INFORMATION
This appliance is intended to be used by expert or trained
users in shops, in light industry, and on farms, or for
commercial and household use by lay persons.
Documentation set
This document is part of a documentation set. The complete set
consists of: