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18 Relocation

Installer and user reference guide

30

FFA25~60A2VEB(9)

Split system air conditioners

4P550955-4 – 2018.08

▪ A  continuous  low  "shah"  sound  is  heard  when  the  system  is  in

cooling  operation  or  at  a  stop.  When  the  drain  pump  is  in
operation, this noise is heard.

▪ A  "pishi-pishi"  squeaking  sound  is  heard  when  the  system  stops

after heating operation. Expansion and contraction of plastic parts
caused by temperature change make this noise.

17.1.8

Symptom: Noise of air conditioners
(Indoor unit, outdoor unit)

▪ A  continuous  low  hissing  sound  is  heard  when  the  system  is  in

cooling  or  defrost  operation.  This  is  the  sound  of  refrigerant  gas
flowing through both indoor and outdoor units.

▪ A  hissing  sound  which  is  heard  at  the  start  or  immediately  after

stopping  operation  or  defrost  operation.  This  is  the  noise  of
refrigerant caused by flow stop or flow change.

17.1.9

Symptom: Noise of air conditioners
(Outdoor unit)

When the tone of operating noise changes. This noise is caused by
the change of frequency.

17.1.10 Symptom: Dust comes out of the unit

When  the  unit  is  used  for  the  first  time  in  a  long  time.  This  is
because dust has gotten into the unit.

17.1.11 Symptom: The units can give off odours

The  unit  can  absorb  the  smell  of  rooms,  furniture,  cigarettes,  etc.,
and then emit it again.

17.1.12 Symptom: The outdoor unit fan does not

spin

During  operation.  The  speed  of  the  fan  is  controlled  in  order  to
optimise product operation.

17.1.13 Symptom: The display shows "88"

This  is  the  case  immediately  after  the  main  power  supply  switch  is
turned  on  and  means  that  the  user  interface  is  in  normal  condition.
This continues for 1 minute.

17.1.14 Symptom: The compressor in the outdoor

unit does not stop after a short heating
operation

This is to prevent refrigerant from remaining in the compressor. The
unit will stop after 5 to 10 minutes.

18

Relocation

Contact  your  dealer  for  removing  and  reinstalling  the  total  unit.
Moving units requires technical expertise.

19

Disposal

NOTICE

Do  NOT  try  to  dismantle  the  system  yourself:  dismantling
of  the  system,  treatment  of  the  refrigerant,  oil  and  other
parts  MUST  comply  with  applicable  legislation.  Units
MUST  be  treated  at  a  specialised  treatment  facility  for
reuse, recycling and recovery.

20

Glossary

Dealer

Sales distributor for the product.

Authorized installer

Technical  skilled  person  who  is  qualified  to  install  the
product.

User

Person  who  is  owner  of  the  product  and/or  operates  the
product.

Applicable legislation

All  international,  European,  national  and  local  directives,
laws,  regulations  and/or  codes  that  are  relevant  and
applicable for a certain product or domain.

Service company

Qualified  company  which  can  perform  or  coordinate  the
required service to the product.

Installation manual

Instruction  manual  specified  for  a  certain  product  or
application, explaining how to install, configure and maintain
it.

Operation manual

Instruction  manual  specified  for  a  certain  product  or
application, explaining how to operate it.

Maintenance instructions

Instruction  manual  specified  for  a  certain  product  or
application,  which  explains  (if  relevant)  how  to  install,
configure,  operate  and/or  maintain  the  product  or
application.

Accessories

Labels, manuals, information sheets and equipment that are
delivered  with  the  product  and  that  need  to  be  installed
according  to  the  instructions  in  the  accompanying
documentation.

Optional equipment

Equipment  made  or  approved  by  Daikin  that  can  be
combined  with  the  product  according  to  the  instructions  in
the accompanying documentation.

Field supply

Equipment NOT made by Daikin that can be combined with
the  product  according  to  the  instructions  in  the
accompanying documentation.

Summary of Contents for FFA50A2VEB9

Page 1: ...ser reference guide Split system air conditioners English Installer and user reference guide Split system air conditioners FFA25A2VEB FFA35A2VEB FFA50A2VEB FFA60A2VEB FFA25A2VEB9 FFA35A2VEB9 FFA50A2VE...

Page 2: ...electrical wiring 17 6 4 4 Specifications of standard wiring components 17 6 4 5 To connect the electrical wiring on the indoor unit 17 7 Configuration 18 7 1 Field settings 18 8 Commissioning 19 8 1...

Page 3: ...ildren aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning us...

Page 4: ...ed Do NOT block any ventilation openings Make sure the unit is level Do NOT install the unit in the following places In potentially explosive atmospheres In places where there is machinery that emits...

Page 5: ...5 92 6 6 27 6 3 0 76 6 6 6 371 3 2 6 48 6 8 29 3 3 2 87 2 6 8 394 3 4 7 32 7 0 31 0 3 4 98 4 7 0 417 3 6 8 20 7 2 32 8 3 6 110 7 2 441 3 8 9 14 7 4 34 7 3 8 123 7 4 466 4 0 10 1 7 6 36 6 4 0 136 7 6 4...

Page 6: ...n Open refrigerant cylinders slowly Charge the refrigerant in liquid form Adding it in gas form may prevent normal operation CAUTION When the refrigerant charging procedure is done or when pausing clo...

Page 7: ...head and make proper tightening impossible Over tightening the terminal screws may break them WARNING After finishing the electrical work confirm that each electrical component and terminal inside th...

Page 8: ...ter describes what you have to do after the box with the indoor unit is delivered on site Keep the following in mind At delivery the unit MUST be checked for damage Any damage MUST be reported immedia...

Page 9: ...5 46 C DB 9 21 C DB 10 15 C WB 18 37 C DB 12 28 C WB 10 27 C DB RXS25 60 10 46 C DB 15 24 C DB 16 18 C WB 18 32 C DB 10 30 C DB Outdoor units Cooling Heating 2MXS50 10 46 C DB 15 24 C DB 16 18 C WB 1...

Page 10: ...ance not accessible to the general public install it in a secured area protected from easy access This unit both indoor and outdoor is suitable for installation in a commercial and light industrial en...

Page 11: ...ce to the floor see below C 295 mm In case of installation with BYFQ60B 300 mm In case of installation with BYFQ60C a Indoor unit b Lighting the figure shows ceiling mounted lighting but recessed ligh...

Page 12: ...or installation INFORMATION This chapter only describes installation instructions specific to the indoor unit For the other instructions see The installation manual of the outdoor unit The installatio...

Page 13: ...5 mm 595 mm 10 mm 12 5 mm A Ceiling opening B Distance between the unit and the ceiling opening C Overlap between the decoration panel and the suspended ceiling Level Make sure the unit is level at a...

Page 14: ...6 5 2 c e 4 b a d b a d c 3 1 2 6 1 a Drain pipe connection attached to the unit b Drain hose accessory c Metal clamp accessory d Large sealing pad accessory e Insulation piece drain pipe accessory f...

Page 15: ...refrigerant to be used Only use installation tools e g manifold gauge set that are exclusively used for R32 or R410A installations to withstand the pressure and to prevent foreign materials e g minera...

Page 16: ...tions Insulation Insulate the refrigerant piping on the indoor unit as follows A B a d c e f b b a d c e f b b 2 4 3 g 1 2 3 4 g A B 1 A Gas piping B Liquid piping a Insulation material field supply b...

Page 17: ...30 V User interface cable Vinyl cords with 0 75 to 1 25 mm sheath or cables 2 core wires Maximum 500 m 6 4 5 To connect the electrical wiring on the indoor unit NOTICE Follow the wiring diagram delive...

Page 18: ...t they correspond with the actual installation setup and with the needs of the user Ceiling height Air flow direction Air volume when thermostat control is OFF Time to clean air filter Setting Ceiling...

Page 19: ...power consumption NOTICE Before starting up the system the unit MUST be energised for at least 6 hours The crankcase heater needs to heat up the compressor oil to avoid oil shortage and compressor bre...

Page 20: ...it first The backlight is lit for 30 seconds when you press a button 1 Perform introductory steps Action 1 Open the liquid stop valve A and gas stop valve B by removing the stem cap and turning counte...

Page 21: ...hase power supply units Note Operation will be impossible Turn OFF the power recheck the wiring and switch two of the three electrical wires U4 or UF The inter unit branch wiring is not correct UA The...

Page 22: ...ESS H P LED V L PILOT LAMP LIGHT EMITTING DIODE HAP LIGHT EMITTING DIODE SERVICE MONITOR GREEN HIGH VOLTAGE HIGH VOLTAGE IES INTELLIGENT EYE SENSOR IPM INTELLIGENT POWER MODULE K R KCR KFR KHuR K M MA...

Page 23: ...ce see the operation manual of the installed user interface 13 Before operation WARNING This unit contains electrical and hot parts WARNING Before operating the unit be sure the installation has been...

Page 24: ...n It may take longer to reach the set temperature for general heating operation than for cooling operation The following operation is performed in order to prevent the heating capacity from dropping o...

Page 25: ...lades while the swing flap is in operation Fingers may become caught or the unit may break down NOTICE The movable limit of the flap is changeable Contact your dealer for details only for double flow...

Page 26: ...result in burnout of these components 16 1 Cleaning the air filter suction grille air outlet and outside panels 16 1 1 To clean the air filter When to clean the air filter Rule of thumb Clean every 6...

Page 27: ...in order to dry the interior of the units Refer to 14 2 2 About cooling heating fan only and automatic operation on page 24 for details on fan only operation Turn off the power The user interface dis...

Page 28: ...face and switches 25 000 hours Drain pan 8 years Expansion valve 20 000 hours Solenoid valve 20 000 hours The table assumes the following conditions of use Normal use without frequent starting and sto...

Page 29: ...N OFF button on the user interface is pressed If the operation lamp lights the system is in normal condition To prevent overloading of the compressor motor the air conditioner starts 5 minutes after i...

Page 30: ...s is to prevent refrigerant from remaining in the compressor The unit will stop after 5 to 10 minutes 18 Relocation Contact your dealer for removing and reinstalling the total unit Moving units requir...

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Page 32: ...4P550955 4 2018 08 Copyright 2017 Daikin...

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