Table of Contents
Installer and user reference guide
2
FCAHG71~140FVEB
Split system air conditioners
4P429475-1 – 2015.12
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 user ............................................................................... 3
1.3 For the installer.......................................................................... 3
1.3.1 General ....................................................................... 3
1.3.2 Installation site ............................................................ 4
1.3.3 Refrigerant .................................................................. 4
1.3.4 Brine............................................................................ 5
1.3.5 Water .......................................................................... 5
1.3.6 Electrical ..................................................................... 5
2 About the documentation 6
2.1 About this document.................................................................. 6
For the installer 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 Identification .............................................................................. 7
4.2.1 Identification label: Indoor unit .................................... 7
4.3 About the indoor unit ................................................................. 7
4.4 System layout............................................................................ 8
4.5 Combining units and options ..................................................... 8
4.5.1 Possible options for the indoor unit............................. 8
4.5.2 Possible combinations of indoor unit and outdoor
unit .............................................................................. 8
5 Preparation 8
5.1 Overview: Preparation............................................................... 8
5.2 Preparing installation site .......................................................... 8
5.2.1 Installation site requirements of the indoor unit .......... 8
5.3 Preparing refrigerant piping....................................................... 9
5.3.1 Refrigerant piping requirements.................................. 9
5.3.2 Refrigerant piping insulation ....................................... 9
5.4 Preparing electrical wiring ......................................................... 10
5.4.1 About preparing electrical wiring................................. 10
6 Installation 10
6.1 Overview: Installation ................................................................ 10
6.2 Mounting the indoor unit............................................................ 10
6.2.1 Precautions when mounting the indoor unit................ 10
6.2.2 Guidelines when installing the indoor unit................... 10
6.2.3 Guidelines when installing the drain piping................. 11
6.3 Connecting the refrigerant piping .............................................. 13
6.3.1 About connecting the refrigerant piping ...................... 13
6.3.2 Precautions when connecting the refrigerant piping... 13
6.3.3 Guidelines when connecting the refrigerant piping..... 13
6.3.4 Pipe bending guidelines.............................................. 14
6.3.5 To flare the pipe end................................................... 14
6.3.6 To braze the pipe end................................................. 14
6.3.7 To connect the refrigerant piping to the indoor unit .... 14
6.4 Connecting the electrical wiring................................................. 15
6.4.1 About connecting the electrical wiring......................... 15
6.4.2 Precautions when connecting the electrical wiring ..... 15
6.4.3 Guidelines when connecting the electrical wiring ....... 15
6.4.4 Specifications of standard wiring components............ 15
6.4.5 To connect the electrical wiring on the indoor unit...... 15
7 Configuration 16
7.1 Field settings .............................................................................. 16
8 Commissioning 17
8.1 Overview: Commissioning.......................................................... 17
8.2 Precautions when commissioning .............................................. 17
8.3 Checklist before commissioning................................................. 17
8.4 To perform a test run.................................................................. 18
8.5 Error codes when performing a test run ..................................... 18
9 Hand-over to the user 19
10 Disposal 19
11 Technical data 20
11.1 Overview: Technical data ........................................................... 20
11.2 Dimensions: Indoor unit.............................................................. 20
11.3 Service space: Indoor unit.......................................................... 21
11.4 Components: Indoor unit ............................................................ 21
11.5 Piping diagram: Indoor unit ........................................................ 21
11.6 Wiring diagram: Indoor unit ........................................................ 22
11.7 Technical specifications: Indoor unit .......................................... 24
For the user 25
12 About the system 25
12.1 System layout............................................................................. 25
13 User interface 25
14 Before operation 25
15 Operation 25
15.1 Operation range ......................................................................... 25
15.2 Operating the system ................................................................. 25
15.2.1 About operating the system ......................................... 25
15.2.2 About cooling, heating, fan only, and automatic
operation ...................................................................... 26
15.2.3 About the heating operation......................................... 26
15.2.4 To operate the system ................................................. 26
15.3 Using the dry program................................................................ 26
15.3.1 About the dry program ................................................. 26
15.3.2 To use the dry program................................................ 26
15.4 Adjusting the air flow direction.................................................... 26
15.4.1 About the air flow flap .................................................. 26
16 Energy saving and optimum operation 27
17 Maintenance and service 27
17.1 Cleaning the air filter, suction grille, air outlet and outside
panels ........................................................................................ 27
17.1.1 To clean the air filter .................................................... 27
17.1.2 To clean the suction grille ............................................ 28
17.1.3 To clean the air outlet and outside panels ................... 28
17.2 Maintenance after a long stop period ......................................... 28
17.3 Maintenance before a long stop period ...................................... 28
17.4 About the refrigerant................................................................... 28
17.5 After-sales service and warranty ................................................ 29
17.5.1 Warranty period ........................................................... 29
17.5.2 Recommended maintenance and inspection............... 29
17.5.3 Recommended maintenance and inspection cycles.... 29
17.5.4 Shortened maintenance and replacement cycles........ 29
18 Troubleshooting 30
18.1 Symptoms that are not air conditioner troubles.......................... 30
18.1.1 Symptom: The system does not operate ..................... 30
18.1.2 Symptom: The fan strength does not correspond to
the setting .................................................................... 30
18.1.3 Symptom: The fan direction does not correspond to
the setting .................................................................... 30
18.1.4 Symptom: White mist comes out of a unit (Indoor
unit) .............................................................................. 31
