Daikin FBA35A2VEB, FBA50A2VEB, FBA60A2VEB, FBA71A2VEB, FBA100A2VEB Operation manuals

Operation manual

Split system air conditioners

FBA35A2VEB 
FBA50A2VEB 
FBA60A2VEB 
FBA71A2VEB 
FBA100A2VEB 
FBA125A2VEB 
FBA140A2VEB

Operation manual

Split system air conditioners

English

Table of Contents

b

f

a

h

c

d

e

g

Table of Contents

1 About this document 2

2 About the system 2

2.1 Components .............................................................................. 2

2.2 Information requirements for fan coil units ................................ 3

3 Operation 3

3.1 Operation range ........................................................................ 3

3.2 Operation procedure ................................................................. 4

4 Energy saving and optimum operation 4

5 Maintenance and service 4

5.1 Overview: Maintenance and service ......................................... 4

5.2 To handle the drain pipe plug.................................................... 5

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

panels ....................................................................................... 5

5.3.1 To clean the air outlet and outside panels .................. 5

5.3.2 To clean the air filter ................................................... 5

5.4 Maintenance before a long stop period ..................................... 6

5.5 Maintenance after a long stop period ........................................ 6

6 Troubleshooting 6

6.1 Symptoms that are NOT system malfunctions .......................... 6

6.1.1 Symptom: The system does not operate .................... 6

6.1.2 Symptom: Air blow direction is not as specified.......... 7

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

unit) ............................................................................. 7

6.1.4 Symptom: Noise of air conditioners (indoor unit) ........ 7

6.1.5 Symptom: Dust comes out of the unit......................... 7

6.1.6 Symptom: The units can give off odours..................... 7

6.1.7 Symptom: The display shows "88".............................. 7

7 Disposal 7

2 About the system

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.

INFORMATION

The sound pressure level is less than 70dBA.

WARNING: FLAMMABLE MATERIAL

The R32 refrigerant (if applicable) in this unit is mildly
flammable.

WARNING

▪ Do not modify, disassemble, remove, reinstall or repair

▪ In case of accidental refrigerant leaks, make sure there

WARNING

Ask your dealer to install and reinstall the air conditioner.
Incomplete installation may result in a water leakage,
electric shock, and fire.

(a)

(a) Refer to the outdoor unit specifications for the type of

refrigerant to be used.

the unit yourself as incorrect dismantling or installation
may cause an electric shock or fire. Contact your
dealer.

are no naked flames. The refrigerant itself is entirely
safe and non-toxic. R410A is a non-combustible
refrigerant, and R32 is a mildly flammable refrigerant,
but they will generate a toxic gas when they
accidentally leak into a room where combustible air
from fan heaters, gas cookers, etc. is present. Always
have qualified service personnel confirm that the point
of leakage has been repaired or corrected before
resuming operation.

NOTICE

1 About this document

Thank you for purchasing this product. Please:

▪ Read the documentation carefully before operating the user

interface to ensure the best possible performance.

▪ Keep the documentation for future reference.

Target audience

Endusers

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 operating your

system

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

▪ Operation manual:

▪ Operation instructions

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

Latest revisions of the supplied documentation may be available on
the regional Daikin website or via your installer.

The original documentation is written in English. All other languages
are translations.

Improper installation or attachment of equipment or
accessories could result in electric shock, short-circuit,
leaks, fire or other damage to the equipment. Only use
accessories, optional equipment and spare parts made or
approved by Daikin.

2.1 Components

INFORMATION

The following illustration is an example and might NOT
match your system layout.

a Indoor unit
b Outdoor unit

Operation manual

2

FBA35~140A2VEB

Split system air conditioners

4P456964-1 – 2017.04

3 Operation

c User interface
d Air inlet
e Air outlet

f Refrigerant piping and electric wiring
g Drain pipe
h Earth wire to ground outdoor unit to prevent electric

shocks.

CAUTION

Do not insert fingers, rods or other objects into the air inlet
or outlet. Do not remove the fan guard. When the fan is
rotating at high speed, it will cause injury.

CAUTION

Never touch the internal parts of the controller.

Do not remove the front panel. Some parts inside are
dangerous to touch and appliance problems may happen.
For checking and adjusting the internal parts, contact your
dealer.

NOTICE

Do not wipe the controller operation panel with benzine,
thinner, chemical dust cloth, etc. The panel may get
discoloured or the coating peeled off. If it is heavily dirty,
soak a cloth in water-diluted neutral detergent, squeeze it
well and wipe the panel clean. Wipe it with another dry
cloth.

NOTICE

Never press the button of the user interface with a hard,
pointed object. The user interface may be damaged.

NOTICE

Never pull or twist the electric wire of the user interface. It
may cause the unit to malfunction.

2.2 Information requirements for fan coil units

Item Symbol Value Unit

Cooling capacity (sensible) P

Cooling capacity (latent) P

Heating capacity P

Total electric power input P

Sound power level (per speed

L

rated,c

rated,c

rated,h

elec

WA

A kW

B kW

C kW

D kW

E dB

setting, if applicable)

Contact details:

DAIKIN INDUSTRIES CZECH REPUBLIC s.r.o. U Nové Hospody
1/1155, 301 00 Plzeň Skvrňany, Czech Republic

A B C D E

FBA125A 9.06 4.94 13.50 0.23 62

FBA140A 9.98 5.42 15.50 0.23 62

3 Operation

3.1 Operation range

Use the system in the following temperature and humidity ranges for
safe and effective operation.

For combination with R410A outdoor unit, refer to the following table:

Outdoor units Cooling Heating

RR71~125 Outdoor

–15~46°CDB —

temperature

Indoor
temperature

RQ71~125 Outdoor

temperature

Indoor
temperature

RXS35~60 Outdoor

temperature

Indoor

18~37°CDB

—

12~28°CWB

–5~46°CDB –9~21°CDB

–10~15°CWB

18~37°CDB

10~27°CDB

12~28°CWB

–10~46°CDB –15~24°CDB

–16~18°CWB

18~32°CDB 10~30°CDB

temperature

3MXS40~68

4MXS68~80

5MXS90

Outdoor
temperature

Indoor

–10~46°CDB –15~24°CDB

–16~18°CWB

18~32°CDB 10~30°CDB

temperature

RZQG71~140 Outdoor

temperature

Indoor
temperature

RZQSG71~140 Outdoor

temperature

Indoor
temperature

RZQ200~250 Outdoor

temperature

Indoor
temperature

Indoor humidity ≤80%

–15~50°CDB –19~21°CDB

–20~15.5°CWB

18~37°CDB

10~27°CDB

12~28°CWB

–15~46°CDB –14~21°CDB

–15~15.5°CWB

20~37°CDB

10~27°CDB

14~28°CWB

–5~46°CDB –14~21°CDB

–15~15°CWB

20~37°CDB

10~27°CDB

14~28°CWB

(a)

For combination with R32 outdoor unit, refer to the following table:

Outdoor units Cooling Heating

RXM35~60 Outdoor

temperature

Indoor

–10~46°CDB –15~24°CDB

–16~18°CWB

18~32°CDB 10~30°CDB

temperature

3MXM40~68

4MXM68~80

5MXM90

Outdoor
temperature

Indoor

–10~46°CDB –15~24°CDB

–16~18°CWB

18~32°CDB 10~30°CDB

temperature

RZAG71~140 Outdoor

temperature

Indoor
temperature

RZASG71~140 Outdoor

temperature

Indoor
temperature

AZAS71~140 Outdoor

temperature

Indoor
temperature

Indoor humidity ≤80%

–20~52°CDB –19.5~21°CDB

–20~15.5°CWB

18~37°CDB

10~27°CDB

12~28°CWB

–15~46°CDB –14~21°CDB

–15~15.5°CWB

20~37°CDB

10~27°CDB

14~28°CWB

–15~46°CDB –14~21°CDB

–15~15.5°CWB

20~37°CDB

10~27°CDB

14~28°CWB

(a)

FBA35~140A2VEB
Split system air conditioners
4P456964-1 – 2017.04

Operation manual

3