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Daikin FHA100AVEB8, User Reference Manual

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Table of contents

Installer and user reference guide

2

FHA-A(9)

Split system air conditioner

4P708119-1 – 2022.11

Table of contents

1 About the documentation

4

1.1

About this document ......................................................................................................................................................

4

1.2

Meaning of warnings and symbols.................................................................................................................................

5

2 General safety precautions

7

2.1

For the installer ...............................................................................................................................................................

7

2.1.1

General ...........................................................................................................................................................

7

2.1.2

Installation site ...............................................................................................................................................

8

2.1.3

Refrigerant — in case of R410A or R32.......................................................................................................... 11

2.1.4

Electrical ......................................................................................................................................................... 13

3 Specific installer safety instructions

16

For the user

18

4 User safety instructions

19

4.1

General............................................................................................................................................................................ 19

4.2

Instructions for safe operation ....................................................................................................................................... 20

5 About the system

25

5.1

System layout.................................................................................................................................................................. 25

5.2

Information requirements for fan coil units................................................................................................................... 26

6 User interface

27

7 Before operation

28

8 Operation

29

8.1

Operation range.............................................................................................................................................................. 29

8.2

About operation modes.................................................................................................................................................. 29
8.2.1

Basic operation modes ................................................................................................................................... 29

8.2.2

Special heating operation modes................................................................................................................... 30

8.2.3

Adjusting the airflow direction....................................................................................................................... 30

8.3

To operate the system.................................................................................................................................................... 31

9 Energy saving and optimum operation

32

10 Maintenance and service

33

10.1

Precautions for maintenance and service...................................................................................................................... 33

10.2

Cleaning the unit exterior, air filter and suction grille ...................................................................................................

34

10.2.1

To clean the exterior ...................................................................................................................................... 34

10.2.2

To clean the air filter ...................................................................................................................................... 34

10.2.3

To clean the suction grille .............................................................................................................................. 35

10.3

Maintenance before a long stop period......................................................................................................................... 36

10.4

Maintenance after a long stop period............................................................................................................................ 37

10.5

About the refrigerant...................................................................................................................................................... 37

11 Troubleshooting

39

11.1

Symptoms that are NOT system malfunctions............................................................................................................... 40
11.1.1

Symptom: The system does not operate....................................................................................................... 40

11.1.2

Symptom: The fan speed does not correspond to the setting...................................................................... 40

11.1.3

Symptom: The fan direction does not correspond to the setting................................................................. 40

11.1.4

Symptom: White mist comes out of a unit (Indoor unit) .............................................................................. 41

11.1.5

Symptom: White mist comes out of a unit (Indoor unit, outdoor unit)........................................................ 41

11.1.6

Symptom: The user interface reads "U4" or "U5" and stops, but then restarts after a few minutes..........

41

11.1.7

Symptom: Noise of air conditioners (Indoor unit)......................................................................................... 41

11.1.8

Symptom: Noise of air conditioners (Indoor unit, outdoor unit) .................................................................. 41

11.1.9

Symptom: Dust comes out of the unit........................................................................................................... 41

11.1.10

Symptom: The units can give off odours ....................................................................................................... 41

12 Relocation

42

13 Disposal

43

For the installer

44

Summary of Contents for FHA100AVEB8

Page 1: ...Installer and user reference guide Split system air conditioner FHA35AVEB98 FHA50AVEB98 FHA60AVEB98 FHA71AVEB98 FHA100AVEB8 FHA125AVEB8 FHA140AVEB8 ...

Page 2: ...enance and service 33 10 1 Precautions for maintenance and service 33 10 2 Cleaning the unit exterior air filter and suction grille 34 10 2 1 To clean the exterior 34 10 2 2 To clean the air filter 34 10 2 3 To clean the suction grille 35 10 3 Maintenance before a long stop period 36 10 4 Maintenance after a long stop period 37 10 5 About the refrigerant 37 11 Troubleshooting 39 11 1 Symptoms that...

Page 3: ... connecting the refrigerant piping 60 17 2 2 Precautions when connecting the refrigerant piping 61 17 2 3 Guidelines when connecting the refrigerant piping 62 17 2 4 Pipe bending guidelines 62 17 2 5 To flare the pipe end 62 17 2 6 To connect the refrigerant piping to the indoor unit 63 18 Electrical installation 67 18 1 About connecting the electrical wiring 67 18 1 1 Precautions when connecting ...

Page 4: ...ons 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 good practices reference data Detailed step by step instructions and background information for basi...

Page 5: ... death or serious injury WARNING FLAMMABLE MATERIAL CAUTION Indicates a situation that could result in minor or moderate injury NOTICE Indicates a situation that could result in equipment or property damage INFORMATION Indicates useful tips or additional information Symbols used on the unit Symbol Explanation Before installation read the installation and operation manual and the wiring instruction...

Page 6: ...mentation Installer and user reference guide 6 FHA A 9 Split system air conditioner 4P708119 1 2022 11 Symbol Explanation Indicates a table title or a reference to it Example 1 3 Table title means Table 3 in chapter 1 ...

Page 7: ...otherwise specified WARNING Make sure installation testing and applied materials comply with applicable legislation on top of the instructions described in the Daikin documentation WARNING Tear apart and throw away plastic packaging bags so that nobody especially NOT children can play with them Possible consequence suffocation WARNING Provide adequate measures to prevent that the unit can be used ...

Page 8: ...Electromagnetic waves may disturb the control system and cause malfunction of the equipment In places where there is a risk of fire due to the leakage of flammable gases example thinner or gasoline carbon fibre ignitable dust In places where corrosive gas example sulphurous acid gas is produced Corrosion of copper pipes or soldered parts may cause the refrigerant to leak Instructions for equipment...

Page 9: ...piping in refrigerating systems such as to minimise the likelihood of hydraulic shock damaging the system Mount the indoor equipment and pipes securely and protect them to avoid accidental rupture of equipment or pipes in case of events such as moving furniture or reconstruction activities CAUTION Incomplete flaring may cause refrigerant gas leakage Do NOT re use flares Use new flares to prevent r...

Page 10: ...tional refrigerant amount charged Contains fluorinated greenhouse gases 2 1 1 1 2 2 kg tCO2 eq 1000 GWP kg kg kg GWP xxx R32 2 Determine which graph or table to use For indoor units Is the unit ceiling mounted wall mounted or floor standing For outdoor units installed or stored indoors this depends on the installation height If the installation height is Then use the graph or table for 1 8 m Floor...

Page 11: ...43 4 45 5 4 27 6 2 0 4 83 5 6 29 7 2 2 5 31 5 8 31 8 2 4 5 79 6 0 34 0 2 6 6 39 6 2 36 4 2 8 7 41 6 4 38 7 3 0 8 51 6 6 41 2 3 2 9 68 6 8 43 7 3 4 10 9 7 0 46 3 3 6 12 3 7 2 49 0 3 8 13 7 7 4 51 8 4 0 15 1 7 6 54 6 4 2 16 7 7 8 57 5 4 4 18 3 8 40 5 8 2 42 6 8 4 44 7 8 6 46 8 8 8 49 0 9 51 3 9 2 53 6 9 4 55 9 9 55 57 7 8 60 5 8 2 63 6 8 4 66 7 8 6 69 9 8 8 73 2 9 76 6 9 2 80 0 9 4 83 6 9 55 86 2 8 ...

Page 12: ... When the refrigerant system is to be opened refrigerant MUST be treated according to the applicable legislation NOTICE Make sure refrigerant piping installation complies with applicable legislation In Europe EN378 is the applicable standard NOTICE Make sure the field piping and connections are NOT subjected to stress NOTICE After all the piping has been connected make sure there is no gas leak Us...

Page 13: ...ical DANGER RISK OF ELECTROCUTION Turn OFF all power supply before removing the switch box cover connecting electrical wiring or touching electrical parts Disconnect the power supply for more than 10 minutes and measure the voltage at the terminals of main circuit capacitors or electrical components before servicing The voltage MUST be less than 50 V DC before you can touch electrical components F...

Page 14: ...ARNING After finishing the electrical work confirm that each electrical component and terminal inside the electrical components box is connected securely Make sure all covers are closed before starting up the unit CAUTION When connecting the power supply connect the earth cable first before making the current carrying connections When disconnecting the power supply disconnect the current carrying ...

Page 15: ...e radio waves a distance of 1 meter may NOT be sufficient NOTICE ONLY applicable if the power supply is three phase and the compressor has an ON OFF starting method If there exists the possibility of reversed phase after a momentary black out and the power goes ON and OFF while the product is operating attach a reversed phase protection circuit locally Running the product in reversed phase can bre...

Page 16: ...entilated room without continuously operating ignition sources e g open flames an operating gas appliance or an operating electric heater The room size shall be as specified in the General safety precaution CAUTION Appliance NOT accessible to the general public Install it in a secured area protected from easy access This unit is suitable for installation in a commercial light industrial household ...

Page 17: ...tion WARNING If the power supply has a missing or wrong N phase equipment might break down Establish proper earthing Do NOT earth the unit to a utility pipe surge absorber or telephone earth Incomplete earthing may cause electrical shock Install the required fuses or circuit breakers Secure the electrical wiring with cable ties so that the cables do NOT come in contact with sharp edges or piping p...

Page 18: ...For the user Installer and user reference guide 18 FHA A 9 Split system air conditioner 4P708119 1 2022 11 For the user ...

Page 19: ...ced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Children SHALL NOT play with the appliance Cleaning and user maintenance SHALL NOT be made by children without supervision WARNING To prevent electrical shocks or fire Do NOT rinse the un...

Page 20: ...al symbol is printed beneath the symbol this chemical symbol means that the battery contains a heavy metal above a certain concentration Possible chemical symbols are Pb lead 0 004 Waste batteries MUST be treated at a specialised treatment facility for reuse By ensuring waste batteries are disposed of correctly you will help to prevent potential negative consequences for the environment and human ...

Page 21: ...y to expose your body to the air flow for a long time CAUTION To avoid oxygen deficiency ventilate the room sufficiently if equipment with burner is used together with the system CAUTION Do NOT operate the system when using a room fumigation type insecticide Chemicals could collect in the unit and endanger the health of people who are hypersensitive to chemicals WARNING NEVER touch the air outlet ...

Page 22: ...objects into the air inlet or outlet When the fan is rotating at high speed it will cause injury WARNING NEVER replace a fuse with a fuse of a wrong ampere ratings or other wires when a fuse blows out Use of wire or copper wire may cause the unit to break down or cause a fire CAUTION After a long use check the unit stand and fitting for damage If damaged the unit may fall and result in injury CAUT...

Page 23: ...ible consequence Electrical shock or fire About the refrigerant see 10 5 About the refrigerant 437 WARNING MILDLY FLAMMABLE MATERIAL The R32 refrigerant if applicable in this unit is mildly flammable Refer to the outdoor unit specifications for the type of refrigerant to be used WARNING The appliance using R32 refrigerant shall be stored so as to prevent mechanical damage and in a well ventilated ...

Page 24: ... result in a fire in case of R32 or the formation of a harmful gas Turn OFF any combustible heating devices ventilate the room and contact the dealer from where you purchased the unit Do NOT use the unit until a service person confirms that the part from which the refrigerant leaked has been repaired Troubleshooting see 11 Troubleshooting 439 WARNING Stop operation and shut OFF the power if anythi...

Page 25: ...ve qualified service personnel confirm that the point of leakage has been repaired or corrected before resuming operation NOTICE Do NOT use the system for other purposes In order to avoid any quality deterioration do NOT use the unit for cooling precision instruments food plants animals or works of art NOTICE For future modifications or expansions of your system A full overview of allowable combin...

Page 26: ...ty sensible Prated c A kW Cooling capacity latent Prated c B kW Heating capacity Prated h C kW Total electric power input Pelec D kW Sound power level cooling LWA E dB A Sound power level heating LWA F dB A 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 F FHA125 7 83 4 27 13 50 0 37 62 62 FHA140 8 68 4 72 15 50 0 39 64 64...

Page 27: ...emical 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...

Page 28: ... is used together with the system CAUTION Do NOT operate the system when using a room fumigation type insecticide Chemicals could collect in the unit and endanger the health of people who are hypersensitive to chemicals NOTICE Turn ON the power 6 hours before operation in order to have power running to the crankcase heater and to protect the compressor This operation manual is for the following sy...

Page 29: ...ck A function that keeps the room temperature in a specific range when the system is turned off by the user the schedule function or the OFF timer 8 2 1 Basic operation modes The indoor unit can operate in various operation modes Icon Operation mode Cooling In this mode cooling will be activated as required by the setpoint or by Setback operation Heating In this mode heating will be activated as r...

Page 30: ... operation and the following icon will appear on the home screen 8 2 3 Adjusting the airflow direction The following airflow directions can be set Up and down direction horizontal blades Using user interface fixed position or swing Left and right direction vertical blades Manually fixed position only a b b a Horizontal blades up and down direction b Vertical blades left and right direction Up and ...

Page 31: ... break down NOTICE Avoid operating in the horizontal direction It may cause dew or dust to settle on the ceiling or flap Left and right airflow direction setting The left and right airflow direction can be set only manually in fixed position Make adjustments only after stopping the horizontal blade in order to avoid injury and damage to the appliance Set both groups of vertical blades in a way so ...

Page 32: ...llowing precautions to ensure the system operates properly Prevent direct sunlight from entering a room during cooling operation by using curtains or blinds Make sure the area is well ventilated Do NOT block any ventilation openings Ventilate often Extended use requires special attention to ventilation Keep doors and windows closed If the doors and windows remain open air will flow out of your roo...

Page 33: ...is work However as end user you may clean the air filter suction grille and the unit exterior WARNING NEVER replace a fuse with a fuse of a wrong ampere ratings or other wires when a fuse blows out Use of wire or copper wire may cause the unit to break down or cause a fire CAUTION After a long use check the unit stand and fitting for damage If damaged the unit may fall and result in injury NOTICE ...

Page 34: ...uring points b Printed circuit board c Control box 10 2 Cleaning the unit exterior air filter and suction grille CAUTION Turn off the unit before cleaning the unit exterior air filter and suction grille NOTICE Do NOT use gasoline benzene thinner polishing powder or liquid insecticide Possible consequence Discoloration and deformation Do NOT use water or air of 50 C or higher Possible consequence D...

Page 35: ...ection of the arrow and carefully open the suction grille a a Knob 2 Remove the air filter Push up the filter knobs at 2 places and take out the air filter a a Filter knob 3 Clean the air filter Use a vacuum cleaner or wash with water If the air filter is very dirty use a soft brush and neutral detergent 4 Dry the air filter in the shadow 5 Reattach the air filter and close the suction grille 6 Tu...

Page 36: ...e suction grille is very dirty use a typical kitchen cleaner leave it on for 10 min then wash it with water 5 Reattach the air filter Refer to 10 2 2 To clean the air filter 434 6 Reattach the suction grille and close it steps 2 and 1 in reverse order INFORMATION When closing the suction grille make sure the straps of the suction grille are not pinched anywhere 10 3 Maintenance before a long stop ...

Page 37: ...l warming potential GWP value 675 Refrigerant type R410A Global warming potential GWP value 2087 5 NOTICE Applicable legislation on fluorinated greenhouse gases requires that the refrigerant charge of the unit is indicated both in weight and CO2 equivalent Formula to calculate the quantity in CO2 equivalent tonnes GWP value of the refrigerant total refrigerant charge in kg 1000 Contact your instal...

Page 38: ...do NOT leak If the refrigerant leaks in the room and comes into contact with fire from a burner a heater or a cooker this may result in a fire in case of R32 or the formation of a harmful gas Turn OFF any combustible heating devices ventilate the room and contact the dealer from where you purchased the unit Do NOT use the unit until a service person confirms that the part from which the refrigeran...

Page 39: ...erly Turn OFF all main power supply switches to the unit If water leaks from the unit Stop operation The operation switch does NOT function properly Turn OFF the power supply If the user interface displays Notify your installer and report the error code To display an error code see the reference guide of the user interface If the system does NOT operate properly except for the above mentioned case...

Page 40: ...alfunctions The following symptoms are NOT system malfunctions 11 1 1 Symptom The system does not operate The air conditioner does not start immediately after the ON 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 it is turned ON again in case it was ...

Page 41: ...s other than the air conditioner The noise prevents communication between the units causing them to stop Operation automatically restarts when the noise ceases A power reset may help to remove this error 11 1 7 Symptom Noise of air conditioners Indoor unit 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 hea...

Page 42: ...on Installer and user reference guide 42 FHA A 9 Split system air conditioner 4P708119 1 2022 11 12 Relocation Contact your dealer to remove and reinstall the entire unit Moving units requires technical expertise ...

Page 43: ... 4P708119 1 2022 11 13 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 ...

Page 44: ...For the installer Installer and user reference guide 44 FHA A 9 Split system air conditioner 4P708119 1 2022 11 For the installer ...

Page 45: ... advance the path along which you want to bring the unit to its final installation position When handling the unit take into account the following Fragile handle the unit with care Keep the unit upright in order to avoid damage 14 1 Indoor unit WARNING MILDLY FLAMMABLE MATERIAL The R32 refrigerant if applicable in this unit is mildly flammable Refer to the outdoor unit specifications for the type ...

Page 46: ...ntal blade and the air outlet Do NOT lift the unit by the reinforcing plates if the reinforcing plates are bent this may cause noise during operation 14 1 2 To remove the accessories from the indoor unit 1 Remove the accessories from the packing box 2 Open the suction grille and remove the accessories from the interior of the unit 3 Paper pattern for installation is part of the packing FHA35 50 FH...

Page 47: ...tions b Indoor unit installation and operation manual c Paper pattern for installation part of the packing d Drain hose e Metal clamp f Washer for hanger bracket g Tie wraps h Insulation piece Large gas pipe i Insulation piece Small liquid pipe j Large sealing pad k Sealing material for gaps around pipes and cables l Small sealing pad m Resin bushing n Wiring fixture o Screw for wiring fixture ...

Page 48: ...g units and options 49 15 4 1 Possible options for the indoor unit 49 15 1 Identification NOTICE When installing or servicing several units at the same time make sure NOT to switch the service panels between different models 15 1 1 Identification label Indoor unit Location 15 2 About the indoor unit INFORMATION For the operation limits see the technical data of the connected outdoor unit 15 3 Syst...

Page 49: ... filter 15 4 Combining units and options INFORMATION Certain options may NOT be available in your country 15 4 1 Possible options for the indoor unit Make sure you have the following mandatory options User interface Wired or wireless refer to catalogues and technical literature for selecting a suitable user interface INFORMATION All possible options are mentioned in the option list of the indoor u...

Page 50: ...G The appliance using R32 refrigerant shall be stored so as to prevent mechanical damage and in a well ventilated room without continuously operating ignition sources e g open flames an operating gas appliance or an operating electric heater The room size shall be as specified in the General safety precaution 16 1 1 Installation site requirements of the indoor unit INFORMATION Also read the genera...

Page 51: ...er and transmission lines Take care that in the event of a water leak water cannot cause any damage to the installation space and surroundings Choose a location where the operation noise or the hot cold air discharged from the unit will not disturb anyone and the location is selected according the applicable legislation Drainage Make sure condensation water can be evacuated properly Paper pattern ...

Page 52: ...tional equipment Depending on the field conditions it might be easier to install the optional equipment first Ceiling strength Check whether the ceiling is strong enough to support the weight of the unit If there is a risk reinforce the ceiling before installing the unit For existing ceilings use anchors For new ceilings use sunken inserts sunken anchors or other field supplied parts 25 55 b mm a ...

Page 53: ...ole b Rear wiring outlet location c Wall hole for rear piping outlet 100 mm d Top panel wiring outlet position e Discharge f1 Nut field supply f2 Double nut field supply h Hanger bracket g Washer for hanger bracket accessory i Suspension bolt j Top panel drain piping connection position k Top panel gas side piping connection position l Top panel liquid side piping connection positions Level Use th...

Page 54: ...for class 60 140 open the suction grille wide and hold the rear knob Pull the suction grille to the front to remove it b a a Fixing knob b Suction grille a a Rear knob Remove the decoration side covers right left Remove the fixing screw from both side covers pull the decoration panel to the front and remove the accessories b c a a Accessories b Fixing screw for side covers c Decoration side cover ...

Page 55: ...ause an electric shock or a fire 3 Fix the hanger bracket to the suspension bolts 16 2 1 Guidelines when installing the indoor unit 452 4 Lift up the indoor unit and slide it to the back Fix the hanger bracket installation bolt M8 for temporary hanging Do NOT hold the unit by the reinforcing plate b b a c d a Hanger bracket b Hanger bracket installation bolt M8 c Hanger bracket fixing screw M5 d R...

Page 56: ...ging bar Allowed Not allowed Condensation Take measures against condensation Insulate the complete drain piping in the building Combining drain pipes You can combine drain pipes Make sure to use drain pipes and T joints with the correct gauge for the operating capacity of the units 100 mm a a T joint To connect the drain piping to the indoor unit NOTICE Incorrect connection of the drain hose might...

Page 57: ...Rear left drain piping c Putty or insulation field supply d Left drain piping e Left knockout part on decoration side panel Rear right drain piping 1 Remove the rear piping pipe port cover and cut out the holes for piping When cutting out the holes make sure to avoid the knob part of the cover a b a Rear right drain piping b Rear piping pipe port cover Right drain piping 1 Remove the reinforcing p...

Page 58: ... as far as possible over the drain pipe connection 2 Tighten the metal clamp at the base of the drain socket Wrap the end of the metal clamp with vinyl tape or bend the end inwards to avoid damaging the sealing pad 3 Check for water leaks see To check for water leaks 458 4 Wind the large sealing pad insulation around the metal clamp and drain hose and fix it with tie wraps Start wrapping from the ...

Page 59: ...ing MUST be installed according to instructions given in 17 Piping installation 459 Only mechanical joints e g braze flare connections that are compliant with the latest version of ISO14903 can be used NOTICE The piping and other pressure containing parts shall be suitable for refrigerant Use phosphoric acid deoxidised seamless copper for refrigerant piping INFORMATION Also read the precautions an...

Page 60: ...Øp Insulation inner diameter Øi Insulation thickness t 6 4 mm 1 4 8 10 mm 10 mm 9 5 mm 3 8 12 15 mm 13 mm 12 7 mm 1 2 14 16 mm 13 mm 15 9 mm 5 8 17 20 mm 13 mm Øi Øi t Øp Øp If the temperature is higher than 30 C and the humidity is higher than RH 80 the thickness of the insulation materials should be at least 20 mm to prevent condensation on the surface of the insulation 17 2 Connecting the refri...

Page 61: ...cle e g air Only use R32 or R410A when adding refrigerant Refer to the outdoor unit specifications for the type of 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 mineral oils and moisture from mixing into the system Install the piping so that the flare ...

Page 62: ...ner c Piping union d Flare nut Piping size mm Tightening torque N m Flare dimensions A mm Flare shape mm Ø6 4 15 17 8 7 9 1 R 0 4 0 8 2 45 90 2 ØA Ø9 5 33 39 12 8 13 2 Ø12 7 50 60 16 2 16 6 Ø15 9 62 75 19 3 19 7 17 2 4 Pipe bending guidelines Use a pipe bender for bending All pipe bends should be as gentle as possible bending radius should be 30 40 mm or larger 17 2 5 To flare the pipe end CAUTION...

Page 63: ...he refrigerant piping to the indoor unit CAUTION Install the refrigerant piping or components in a position where they are unlikely to be exposed to any substance which may corrode components containing refrigerant unless the components are constructed of materials that are inherently resistant to corrosion or are suitably protected against corrosion WARNING MILDLY FLAMMABLE MATERIAL The R32 refri...

Page 64: ...b Cables Upward piping INFORMATION L shaped connection piping kit optional accessory is required 1 Remove the top pipe port cover and cut out the holes for piping When cutting out the holes make sure to avoid the knob part of the cover Use an L shaped connection piping kit optional accessory for the piping Run the pipes through the cut out holes a b a Upward refrigerant piping b Top pipe port cove...

Page 65: ...s short as possible Flare connections Connect refrigerant piping to the unit using flare connections 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 1 B A A Gas piping B Liquid piping a Insulation material field supply b Tie wrap accessory c Insulation pieces Large gas pipe small liquid pipe accessory d Flare nut attached to th...

Page 66: ...ping installation Installer and user reference guide 66 FHA A 9 Split system air conditioner 4P708119 1 2022 11 NOTICE Make sure to insulate all refrigerant piping Any exposed piping might cause condensation ...

Page 67: ...ly system complies with the electrical specifications of the units 2 Connecting the electrical wiring to the outdoor unit 3 Connecting the electrical wiring to the indoor unit 4 Connecting the main power supply 18 1 1 Precautions when connecting the electrical wiring DANGER RISK OF ELECTROCUTION WARNING All wiring MUST be performed by an authorised electrician and MUST comply with the applicable n...

Page 68: ...pe breaker with at least 3 mm between the contact point gaps that provides full disconnection under overvoltage category III WARNING If the supply cord is damaged it MUST be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard 18 1 2 Guidelines when connecting the electrical wiring Keep the following in mind NOTICE We recommend using solid single...

Page 69: ...tion c b c a a A AA A a Curled wire single core or twisted stranded conductor wire b Screw c Flat washer Stranded conductor wire with round crimp style terminal c b b a c a B B a Terminal b Screw c Flat washer Allowed NOT allowed Tightening torques Wiring Screw size Tightening torque N m Interconnection cable indoor outdoor M4 1 33 1 61 User interface cable M3 5 0 79 0 97 The earth wire between th...

Page 70: ...optional equipment see the installation manual delivered with the optional equipment Make sure the electrical wiring does NOT obstruct proper reattachment of the service cover It is important to keep the power supply and the transmission wiring separated from each other In order to avoid any electrical interference the distance between both wirings should ALWAYS be at least 50 mm NOTICE Be sure to...

Page 71: ... 35 7 k 60 80 10 20 l m m h n n n f e d c a b b f h g j i a Control box b Service cover screw c Printed circuit board d Service cover e Wiring diagram label f Power supply wiring g Small cut out hole h User interface cable i Rear piping cover j Large cut out hole k Connection of user interface cable l Connection of power supply cable m Wiring fixture fixed with a screw accessory n Tie wrap accesso...

Page 72: ...or unit The thermistor reading of room temperature is effective only for the indoor unit connected to the user interface Refer to 21 1 Field setting 478 for following settings Number of the connected indoor units as simultaneous operation system Simultaneous operation system individual setting Group control 1 user interface controls up to 4 pair systems all indoor units operate according to the us...

Page 73: ... the indoor unit connected to the user interface Control with 2 user interfaces 2 user interfaces control 1 indoor unit 2 1 3 P1 P2 2 1 3 e 1 e 2 b c d a P2 P1 P2 P1 a Power supply b Residual current device c Outdoor unit d Indoor unit e1 User interface main e2 User interface sub INFORMATION When using 2 user interfaces one must be set to MAIN and the other to SUB For setting refer to the installa...

Page 74: ...ntering the indoor unit 19 1 To mount the suction grille and decoration side panel 1 Install securely in the reverse order Refer to To open the indoor unit 454 2 When installing the suction grille attach the strap of the suction grille to the hook on the indoor unit INFORMATION When closing the suction grille make sure the straps of the suction grille are not pinched anywhere a c d e c b a b b f a...

Page 75: ... what you have to do and know to commission the system after it is installed Typical workflow Commissioning typically consists of the following stages 1 Checking the Checklist before commissioning 2 Performing a test run for the system 20 2 Precautions when commissioning INFORMATION During the first running period of the unit the required power may be higher than stated on the nameplate of the uni...

Page 76: ... Check for water leaks Possible consequence condensate water might drip The refrigerant pipes gas and liquid are installed correctly and thermally insulated There are NO refrigerant leaks There are NO missing phases or reversed phases The system is properly earthed and the earth terminals are tightened The fuses or locally installed protection devices are installed according to this document and h...

Page 77: ...20 Commissioning Installer and user reference guide 77 FHA A 9 Split system air conditioner 4P708119 1 2022 11 NOTICE Do NOT interrupt the test run ...

Page 78: ...nly applicable when using the BRC1H52 user interface When using any other user interface see the installation manual or service manual of the user interface Setting Wireless remote controller address if applicable When using wireless remote controller set the wireless remote controller address Refer to the installation manual of the connected wireless remote controller Setting Ceiling height This ...

Page 79: ...50 h heavy 02 Notification ON 3 01 Notification OFF 02 Setting Number of the connected indoor units as simultaneous operation system For simultaneous operation system mode made following field setting If the system mode is Then 1 M SW Pair 1 unit 11 21 0 01 Twin 2 units 02 Triple 3 units 03 Double twin 4 units 04 1 Field settings are defined as follows M Mode number First number for group of units...

Page 80: ...e main power supply 8 If there is more than one slave unit repeat setting for each 9 Detach user interface from the slave unit and reattach to the master unit INFORMATION You do NOT need to rewire the user interface from the master unit if the optional user interface for slave unit is used However remove the wires attached to the user interface of the master unit After the slave unit is set up re ...

Page 81: ...m2 Wiring length Maximum 100 m External contact specification Contact that can make and break the min load of DC15 V 1 mA This setting must correspond with the needs of the user If you want to change increments to Then 1 M SW Forced OFF 12 22 1 01 ON OFF Operation 02 Emergency recommended for alarm operation 03 1 Field settings are defined as follows M Mode number First number for group of units N...

Page 82: ...perly make sure the following is clear for the user Make sure that the user has the printed documentation and ask him her to keep it for future reference Inform the user that he can find the complete documentation at the URL mentioned earlier in this manual Explain the user how to properly operate the system and what to do in case of problems Show the user what to do for the maintenance of the uni...

Page 83: ...1 Error codes Overview In case other error codes appear contact your dealer Code Description Malfunction of indoor unit PCB Drain level control system abnormality Malfunction of freezing protection High pressure control in heating freeze up protection control in cooling Malfunction of fan motor Malfunction of swing flap motor Malfunction of power supply or AC input overcurrent Malfunction of a hum...

Page 84: ... 4P708119 1 2022 11 24 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 ...

Page 85: ...t numbering is by Arabic numbers in ascending order for each part and is represented in the overview below by in the part code Symbol Meaning Symbol Meaning Circuit breaker Protective earth Connection Protective earth screw Connector A Rectifier Earth Relay connector Field wiring Short circuit connector Fuse Terminal INDOOR Indoor unit Terminal strip OUTDOOR Outdoor unit Wire clamp Residual curren...

Page 86: ...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 Magnetic relay L Live L Coil L R Reactor M Stepper motor M C Compressor motor M F Fan motor M P Drain pump motor M S Swing motor MR MRCW MRM MRN Magnetic relay N Neutral n N Number of passes through ferrite core PAM Pulse amplitude modulation PCB Pri...

Page 87: ...sor low S PH HPS Pressure switch high S PL Pressure switch low S T Thermostat S RH Humidity sensor S W SW Operation switch SA F1S Surge arrester SR WLU Signal receiver SS Selector switch SHEET METAL Terminal strip fixed plate T R Transformer TC TRC Transmitter V R V Varistor V R Diode bridge Insulated gate bipolar transistor IGBT power module WRC Wireless remote controller X Terminal X M Terminal ...

Page 88: ...d 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 Accessories Labels manuals information sheets and equipment that are delivered with the product and that need to be installed...

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Page 92: ...4P708119 1 2022 11 Copyright 2022 Daikin Verantwortung für Energie und Umwelt ...

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