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Daikin FCAHG125FVEB [3/20] User interface 13

Table of Contents

Installation and operation manual

FCAHG71~140FVEB

Split system air conditioners

4P429472-1 – 2015.12

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............................................................................ 4

4 Preparation 4

4.1 Preparing installation site .......................................................... 4

4.1.1 Installation site requirements of the indoor unit .......... 4

5 Installation 5

5.1 Mounting the indoor unit............................................................ 5

5.1.1 Guidelines when installing the indoor unit................... 5

5.1.2 Guidelines when installing the drain piping................. 6

5.2 Connecting the refrigerant piping .............................................. 7

5.2.1 To connect the refrigerant piping to the indoor unit .... 7

5.3 Connecting the electrical wiring................................................. 8

5.3.1 Guidelines when connecting the electrical wiring ....... 8

5.3.2 Specifications of standard wiring components............ 8

5.3.3 To connect the electrical wiring on the indoor unit...... 8

6 Configuration 9

6.1 Field settings ............................................................................. 9

7 Commissioning 10

7.1 Checklist before commissioning................................................ 10

7.2 To perform a test run................................................................. 10

7.3 Error codes when performing a test run .................................... 11

8 Technical data 12

8.1 Piping diagram: Indoor unit ....................................................... 12

8.2 Wiring diagram: Indoor unit ....................................................... 12

For the user 13

9 About the system 13

9.1 System layout............................................................................ 13

10 User interface 13

11 Operation 13

11.1 Operation range ........................................................................ 13

11.2 Operating the system ................................................................ 13

11.2.1 About operating the system ........................................ 13

11.2.2 About cooling, heating, fan only, and automatic

operation ..................................................................... 13

11.2.3 About the heating operation........................................ 14

11.2.4 To operate the system ................................................ 14

11.3 Using the dry program............................................................... 14

11.3.1 About the dry program ................................................ 14

11.3.2 To use the dry program............................................... 14

11.4 Adjusting the air flow direction................................................... 14

11.4.1 About the air flow flap ................................................. 14

12 Maintenance and service 14

12.1 Cleaning the air filter, suction grille, air outlet and outside

panels ....................................................................................... 15

12.1.1 To clean the air filter ................................................... 15

12.1.2 To clean the suction grille ........................................... 15

12.1.3 To clean the air outlet and outside panels ................... 15

12.2 About the refrigerant................................................................... 16

12.3 After-sales service and warranty ................................................ 16

12.3.1 Warranty period ........................................................... 16

12.3.2 Recommended maintenance and inspection............... 16

13 Troubleshooting 16

13.1 Symptoms that are not air conditioner troubles.......................... 17

13.1.1 Symptom: The system does not operate ..................... 17

13.1.2 Symptom: The fan strength does not correspond to

the setting .................................................................... 17

13.1.3 Symptom: The fan direction does not correspond to

the setting .................................................................... 17

13.1.4 Symptom: White mist comes out of a unit (Indoor

unit) .............................................................................. 17

13.1.5 Symptom: White mist comes out of a unit (Indoor

unit, outdoor unit) ......................................................... 17

13.1.6 Symptom: The user interface display reads "U4" or

"U5" and stops, but then restarts after a few minutes.. 17

13.1.7 Symptom: Noise of air conditioners (Indoor unit)......... 17

13.1.8 Symptom: Noise of air conditioners (Indoor unit,

outdoor unit)................................................................. 17

13.1.9 Symptom: Noise of air conditioners (Outdoor unit)...... 17

13.1.10 Symptom: Dust comes out of the unit .......................... 17

13.1.11 Symptom: The units can give off odours...................... 17

13.1.12 Symptom: The outdoor unit fan does not spin ............. 18

13.1.13 Symptom: The display shows "88"............................... 18

13.1.14 Symptom: The compressor in the outdoor unit does

not stop after a short heating operation ....................... 18

14 Relocation 18

15 Disposal 18

1 About the documentation

1.1 About this document

Target audience

Authorised installers + 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 use by lay persons.

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 indoor unit)

▪ Indoor unit installation and operation manual:

▪ Installation and operation instructions

▪ Format: Paper (in the box of the indoor unit)

▪ Installer and user reference guide:

▪ Preparation of the installation, technical specifications,

reference data,…

▪ Detailed step-by-step instructions and background information

for basic and advanced usage

▪ Format: Digital files on http://www.daikineurope.com/support-

and-manuals/product-information/

Daikin FCAHG125FVEB [3/20] User interface 13

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