Table of Contents
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Table of contents
Table of contents
1.1
About the documentation ..........................................................
1.1.1
Meaning of warnings and symbols..............................
1.2
For the user ...............................................................................
1.3
For the installer..........................................................................
1.3.1
General .......................................................................
1.3.2
Installation site ............................................................
1.3.3
Refrigerant ..................................................................
1.3.4
Brine............................................................................
1.3.5
Water ..........................................................................
1.3.6
Electrical .....................................................................
2.1
About this document..................................................................
2.2
Installer and user reference guide at a glance ..........................
3.1
Overview: About the box ...........................................................
3.2
Indoor unit .................................................................................
3.2.1
To unpack and handle the unit....................................
3.2.2
4.1
Overview: About the units and options......................................
4.2
Identification ..............................................................................
4.2.1
Identification label: Indoor unit ....................................
4.3
About the indoor unit .................................................................
4.4
System layout............................................................................ 10
4.5
Combining units and options ..................................................... 10
4.5.1
Possible options for the indoor unit............................. 10
5.1
Overview: Preparation............................................................... 10
5.2
Preparing the installation site .................................................... 10
5.2.1
Installation site requirements of the indoor unit .......... 10
5.3
Preparing refrigerant piping....................................................... 11
5.3.1
Refrigerant piping requirements.................................. 11
5.3.2
Refrigerant piping insulation ....................................... 11
5.4
Preparing electrical wiring ......................................................... 11
5.4.1
About preparing electrical wiring................................. 11
6.1
Overview: Installation ................................................................ 12
6.2
Mounting the indoor unit............................................................ 12
6.2.1
Precautions when mounting the indoor unit................ 12
6.2.2
Guidelines when installing the indoor unit................... 12
6.2.3
Guidelines when installing the drain piping................. 13
6.3
Connecting the refrigerant piping .............................................. 15
6.3.1
About connecting the refrigerant piping ...................... 15
6.3.2
6.3.3
6.3.4
Pipe bending guidelines.............................................. 15
6.3.5
To flare the pipe end ................................................... 16
6.3.6
6.3.7
To check for leaks....................................................... 16
6.4
Connecting the electrical wiring................................................. 16
6.4.1
About connecting the electrical wiring......................... 16
6.4.2
6.4.3
6.4.4
Specifications of standard wiring components............ 17
6.4.5
Installer and user reference guide
2
7.1
Field settings .............................................................................. 18
8.1
Overview: Commissioning.......................................................... 19
8.2
Precautions when commissioning .............................................. 19
3
8.3
Checklist before commissioning................................................. 19
3
8.4
To perform a test run.................................................................. 20
3
8.5
Error codes when performing a test run ..................................... 21
3
3
3
4
5
6
11.1
Piping diagram: Indoor unit ........................................................ 21
6
11.2
Wiring diagram ........................................................................... 22
6
7
7
7
12.1
System layout............................................................................. 23
12.2
User interface ............................................................................. 23
8
8
8
14.1
Operation range ......................................................................... 23
8
14.2
Operating the system ................................................................. 24
8
14.2.1
About operating the system ......................................... 24
8
14.2.2
9
operation ...................................................................... 24
9
14.2.3
About the heating operation......................................... 24
9
14.2.4
To operate the system ................................................. 24
9
14.3
Using the dry program................................................................ 25
9
14.3.1
About the dry program ................................................. 25
14.3.2
To use the dry program................................................ 25
14.4
Adjusting the air flow direction.................................................... 25
14.4.1
About the air flow flap .................................................. 25
10
16.1
panels ........................................................................................ 26
16.1.1
To clean the air filter .................................................... 26
16.1.2
To clean the suction grille ............................................ 26
16.1.3
To clean the air outlet and outside panels ................... 27
16.2
Maintenance after a long stop period ......................................... 27
16.3
Maintenance before a long stop period ...................................... 27
12
16.4
About the refrigerant................................................................... 27
16.5
After-sales service and warranty ................................................ 28
16.5.1
Warranty period ........................................................... 28
16.5.2
Recommended maintenance and inspection............... 28
16.5.3
16.5.4
Shortened maintenance and replacement cycles ........ 28
17.1
Symptoms that are NOT system malfunctions ........................... 29
17.1.1
Symptom: The system does not operate ..................... 29
17.1.2
setting .......................................................................... 29
17.1.3
the setting .................................................................... 29
17.1.4
unit) .............................................................................. 29
17.1.5
unit, outdoor unit) ......................................................... 29
17.1.6
17.1.7
Symptom: Noise of air conditioners (Indoor unit)......... 29
17.1.8
18
outdoor unit)................................................................. 30
19
21
21
21
23
23
23
23
25
25
28
FFA25~60A2VEB(9)
Split system air conditioners
4P550955-4 - 2018.08
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