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Daikin FXZA15A2VEB, Installer And User Reference Manual

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Daikin FXZA15A2VEB Installer And User Reference Manual Download Page 25

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User safety instructions

Installer and user reference guide

25

FXZA15~50A2VEB
VRV system air conditioner
4P599623-1A – 2020.06

Troubleshooting (see 

"11 Troubleshooting" 

[

4

 41]

)

WARNING
Stop  operation  and  shut  off  the  power  if  anything
unusual occurs (burning smells etc.).

Leaving  the  unit  running  under  such  circumstances  may
cause breakage, electric shock or fire. Contact your dealer.

Summary of Contents for FXZA15A2VEB

Page 1: ...Installer and user reference guide VRV system air conditioner FXZA15A2VEB FXZA20A2VEB FXZA25A2VEB FXZA32A2VEB FXZA40A2VEB FXZA50A2VEB ...

Page 2: ...Maintenance and service 34 10 1 Precautions for maintenance and service 34 10 2 Cleaning the air filter suction grille air outlet and outside panels 35 10 2 1 To clean the air filter 35 10 2 2 To clean the suction grille 36 10 2 3 To clean the air outlet and outside panels 37 10 3 Maintenance before a long stop period 38 10 4 Maintenance after a long stop period 38 10 5 About the refrigerant 38 10...

Page 3: ...igerant piping insulation 61 17 2 Connecting the refrigerant piping 61 17 2 1 About connecting the refrigerant piping 61 17 2 2 Precautions when connecting the refrigerant piping 62 17 2 3 Guidelines when connecting the refrigerant piping 62 17 2 4 Pipe bending guidelines 63 17 2 5 To flare the pipe end 63 17 2 6 To connect the refrigerant piping to the indoor unit 64 18 Electrical installation 65...

Page 4: ... 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 good practices reference data Detailed step by step instructions and back...

Page 5: ...eaning of warnings and symbols DANGER Indicates a situation that results in death or serious injury DANGER RISK OF ELECTROCUTION Indicates a situation that could result in electrocution DANGER RISK OF BURNING SCALDING Indicates a situation that could result in burning scalding because of extreme hot or cold temperatures DANGER RISK OF EXPLOSION Indicates a situation that could result in explosion ...

Page 6: ...tact your dealer DANGER RISK OF BURNING SCALDING Do NOT touch the refrigerant piping water piping or internal parts during and immediately after operation It could be too hot or too cold Give it time to return to normal temperature If you must touch it wear protective gloves Do NOT touch any accidental leaking refrigerant WARNING Improper installation or attachment of equipment or accessories coul...

Page 7: ...ergency Name and address of fire department police and hospital Name address and day and night telephone numbers for obtaining service In Europe EN378 provides the necessary guidance for this logbook 2 2 2 Installation site Provide sufficient space around the unit for servicing and air circulation Make sure the installation site withstands the weight and vibration of the unit Make sure the area is...

Page 8: ...electric heater in case the floor area is less than the minimum floor area A m no auxiliary devices which may be a potential ignition source are installed in the duct work example hot surfaces with a temperature exceeding 700 C and electric switching device only auxiliary devices approved by the manufacturer are used in the duct work air inlet AND outlet are connected directly to the same room by ...

Page 9: ...alled or stored indoors e g winter garden garage machinery room Pipework in unventilated spaces NOTICE Pipework shall be protected from physical damage Installation of pipework shall be kept to a minimum To determine the minimum floor area 1 Determine the total refrigerant charge in the system factory refrigerant charge additional refrigerant amount charged Contains fluorinated greenhouse gases 2 ...

Page 10: ...2 0 34 0 5 6 267 2 2 4 34 5 8 21 3 2 2 41 2 5 8 286 2 4 4 74 6 0 22 8 2 4 49 0 6 0 306 2 6 5 13 6 2 24 3 2 6 57 5 6 2 327 2 8 5 53 6 4 25 9 2 8 66 7 6 4 349 3 0 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 6 492 4 2 11 2 7 8 38 5 4 2 150 7 8 518 4 ...

Page 11: ... concentrations in a closed room can lead to oxygen deficiency Toxic gas might be produced if refrigerant gas comes into contact with fire DANGER RISK OF EXPLOSION Pump down Refrigerant leakage If you want to pump down the system and there is a leak in the refrigerant circuit Do NOT use the unit s automatic pump down function with which you can collect all refrigerant from the system into the outd...

Page 12: ...ing into the system Charge the liquid refrigerant as follows If Then A siphon tube is present i e the cylinder is marked with Liquid filling siphon attached Charge with the cylinder upright A siphon tube is NOT present Charge with the cylinder upside down Open refrigerant cylinders slowly Charge the refrigerant in liquid form Adding it in gas form may prevent normal operation CAUTION When the refr...

Page 13: ...U directive 98 83 EC 2 2 6 Electrical 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 1 minute 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 ca...

Page 14: ...f the earth leakage protector 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 cables first before separating the earth connection The length of the conductors between the power supply stress relief and the terminal block itself must be as such that the current c...

Page 15: ...ox is connected securely Make sure all covers are closed before starting up the unit 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 produc...

Page 16: ...le for installation in a commercial and light industrial environment CAUTION The total refrigerant charge in the system cannot exceed the requirements for minimum floor area of the smallest room that is served For minimum floor area requirements for indoor units see the installation and operation manual of the outdoor unit Refrigerant piping installation see 17 Piping installation 460 CAUTION Do N...

Page 17: ...uipped with an inverter A phase advancing capacitor will reduce performance and may cause accidents WARNING All wiring MUST be performed by an authorised electrician and MUST comply with the applicable legislation Make electrical connections to the fixed wiring All components procured on site and all electrical construction MUST comply with the applicable legislation WARNING ALWAYS use multicore c...

Page 18: ...ir conditioner 4P599623 1A 2020 06 Commisioning see 19 Commissioning 470 WARNING If the panels on the indoor units are not installed yet make sure to power OFF the system after finishing the test run To do so turn OFF operation via the user interface Do NOT stop operation by turning OFF the circuit breakers ...

Page 19: ...For the user Installer and user reference guide 19 FXZA15 50A2VEB VRV system air conditioner 4P599623 1A 2020 06 For the user For the user ...

Page 20: ...r mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance Cleaning and user maintenance must not be carried out by children without supervision WARNING To prevent electrical shocks or fire Do...

Page 21: ...battery contains a heavy metal above a certain concentration Possible chemical symbols are Pb lead 0 004 Waste batteries must be treated at a specialized 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 health 4 2 Instructions for safe operation WARNING Do NOT modify disassemble...

Page 22: ...ON It is not good for your health 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 CAU...

Page 23: ... 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 DANGER RISK OF ELECTROCUTION To clean the air...

Page 24: ... WARNING The refrigerant inside the unit is mildly flammable but normally does NOT leak If the refrigerant leaks in the room and comes in contact with fire from a burner a heater or a cooker this may result in fire or the formation of a harmful gas Turn off any combustible heating devices ventilate the room and contact the dealer where you purchased the unit Do NOT use the unit until a service per...

Page 25: ...stem air conditioner 4P599623 1A 2020 06 Troubleshooting see 11 Troubleshooting 441 WARNING Stop operation and shut off the power if anything unusual occurs burning smells etc Leaving the unit running under such circumstances may cause breakage electric shock or fire Contact your dealer ...

Page 26: ...as 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 combinations for future system extensions is available in technical engi...

Page 27: ... units Item Symbol Value Unit Cooling capacity 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 per speed setting if applicable LWA E dB 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 FXZA15 1 2 0 5 1 9 0 036 49 FXZA20 1 5 0...

Page 28: ... 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 interf...

Page 29: ...urner 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 Be sure to 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 ...

Page 30: ...tback 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 a...

Page 31: ...oximately 6 to 8 minutes Hot start During hot start the indoor unit fan will stop 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 Direction Screen Fixed position The indoor unit blows air in 1 of 4 fixed positions Swing The indoor unit alternates between the 4 positions Auto The indoor unit adjusts it...

Page 32: ...n in heating operation mode and the Defrost function is active When the indoor units run in Continuous operation and the airflow direction is Horizontal WARNING Never touch the air outlet or the horizontal blades while the swing flap is in operation Fingers may become caught or the unit may break down NOTICE Avoid operating in the horizontal direction It may cause dew or dust to settle on the ceil...

Page 33: ... 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 room causing a decrease in the cooling or heating effect Be c...

Page 34: ...s work However as end user you may clean the air filter suction grille air outlet and outside panels 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 ...

Page 35: ...on grille air outlet and outside panels 10 2 1 To clean the air filter When to clean the air filter Rule of thumb Clean every 6 months If the air in the room is extremely contaminated increase the cleaning frequency Depending on the settings the user interface can display the Time to clean filter notification Clean the air filter when the notification is displayed If the dirt becomes impossible to...

Page 36: ...er 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 Turn ON the power 7 To remove warning screens see the reference guide of the user interface 10 2 2 To clean the suction grille NOTICE Do NOT use water of 50 C or higher Possible consequence Discoloration and deformation 1 Open the suction grille BYFQ60...

Page 37: ... Wash with a soft bristle brush and water or neutral detergent If the 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 step 3 in reverse order 6 Reattach the suction grille and close it step 2 and 1 in reverse order 10 2 3 To clean the air outlet and outside panels WARNING Do NOT let the indoor unit get wet Possible...

Page 38: ... outside panels 437 Remove the batteries from the user interface if applicable 10 4 Maintenance after a long stop period E g at the beginning of the season Check and remove everything that might be blocking inlet and outlet vents of indoor units and outdoor units Clean air filters and casings of indoor units see 10 2 1 To clean the air filter 435 and 10 2 3 To clean the air outlet and outside pane...

Page 39: ...igerant leakage sensor WARNING It is necessary to replace the sensor after every detection or at the end of the lifetime Authorized person only MUST replace the sensor NOTICE Functionality of the safety measures are periodically automatically checked In case of malfunction error code will display on the user interface NOTICE The R32 refrigerant leakage sensor is a semiconductor detector which may ...

Page 40: ... sound and status indicator is blinking 2 Contact your dealer immediately For more information see the installation manual of the outdoor unit In case of detection when the unit is turned on 1 User interface displays error A0 11 emits alarm sound and status indicator is blinking 2 Contact your dealer immediately For more information see the installation manual of the outdoor unit INFORMATION To st...

Page 41: ...operly 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 ca...

Page 42: ...m malfunctions 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 w...

Page 43: ...e units causing them to stop Operation automatically restarts when the noise ceases 11 1 7 Symptom Noise of air conditioners Indoor unit A zeen sound is heard immediately after the power supply is turned on The electronic expansion valve inside an indoor unit starts working and makes the noise Its volume will reduce in about one minute A continuous low shah sound is heard when the system is in coo...

Page 44: ...staller and user reference guide 44 FXZA15 50A2VEB VRV system air conditioner 4P599623 1A 2020 06 12 Relocation Contact your dealer for removing and reinstalling the total unit Moving units requires technical expertise ...

Page 45: ...er 4P599623 1A 2020 06 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 46: ...For the installer Installer and user reference guide 46 FXZA15 50A2VEB VRV system air conditioner 4P599623 1A 2020 06 For the installer For the installer ...

Page 47: ...damage Any damage MUST be reported immediately to the claims agent of the carrier Bring the packed unit as close as possible to its final installation position to prevent damage during transport Prepare the path along which you want to bring the unit inside in advance 14 2 Indoor unit 14 2 1 To unpack and handle the unit Use a sling of soft material or protective plates together with a rope when l...

Page 48: ... k a 4 8 i h B A B B B A A a Paper pattern for installation upper part of packing b General safety precautions c Indoor unit installation and operation manual d Tie wraps e Sealing pads Large drain pipe medium 1 gas pipe medium 2 liquid pipe small electrical wiring f Metal clamp g Drain hose h Washers for hanger bracket i Screws j Insulation piece Small liquid pipe k Insulation piece Large gas pip...

Page 49: ...bining units and options 50 15 4 1 Possible options for the indoor unit 50 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...

Page 50: ...ase of refrigerant leakage detection E g the BRC1H52 remote controllers can generate an alarm of 65 dB sound pressure measured at 1 m distance of the alarm Sound data is available in the technical data sheet of the remote controller The alarm should always be 15 dB louder than the background noise of the room In case of higher background noise we recommend to use an external alarm field supply to ...

Page 51: ...leak detection sensor fails or when sensor is disconnected For exact model name see option list of the indoor unit For more information about this option refer to the installation manual of the optional output PCB Decoration panel Standard INFORMATION All possible options are mentioned in the option list of the indoor unit For more information about an option refer to the installation and operatio...

Page 52: ...nce shall be stored in a room without continuously operating ignition sources example open flames an operating gas appliance or an operating electric heater 16 1 1 Installation site requirements of the indoor unit INFORMATION Also read the general installation site requirements See the General safety precautions chapter INFORMATION The sound pressure level is less than 70 dBA CAUTION Appliance not...

Page 53: ...on water can be evacuated properly Paper pattern for installation upper part of packing accessory When selecting the installation location use the paper pattern It contains the dimensions of the unit and the required ceiling opening Air flow directions You can select different air flow directions Choose the one best suited for the room For more information see the installation manual of the option...

Page 54: ...ents for indoor units see the installation and operation manual of the outdoor unit 16 2 Mounting the indoor unit 16 2 1 Guidelines when installing the indoor unit INFORMATION Optional equipment When installing optional equipment also read the installation manual of the optional equipment Depending on the field conditions it might be easier to install the optional equipment first Decoration panel ...

Page 55: ...on upper part of the packing Use the paper pattern to determine the correct horizontal positioning It contains the necessary dimensions and centers You can attach the paper pattern to the unit a c b d a Centre of the unit b Centre of the ceiling opening c Paper pattern for installation upper part of the packing d Screws accessories Ceiling opening and unit Make sure the ceiling opening is within t...

Page 56: ...nit Example If A a Then B a C a A C B BYFQ60B 585 mm 5 mm 57 5 mm 660 mm 42 5 mm 20 mm BYFQ60C 585 mm 5 mm 17 5 mm 595 mm 10 mm 12 5 mm a 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 all 4 corners using a level or a water filled vinyl tube c b b a a Level b Vinyl tube c Wa...

Page 57: ...at least 1 100 to prevent air from being trapped in the piping Use hanging bars as shown 1 1 5 m a a Hanging bar O Allowed X Not allowed Condensation Take measures against condensation Insulate the complete drain piping in the building Rising piping If necessary to make the slope possible you can install rising piping Drain hose inclination 0 75 mm to avoid stress on the piping and to avoid air bu...

Page 58: ...und the metal clamp and drain hose and fix it with tie wraps 5 Connect the drain piping to the drain hose 4 mm A A A A A A e 5 4 2 c b d b a d c a 3 1 2 5 1 a Drain pipe connection attached to the unit b Drain hose accessory c Metal clamp accessory d Large sealing pad accessory e Drain piping field supply To check for water leaks The procedure differs depending on whether installation of the syste...

Page 59: ...nd check for leaks e d c 100 mm a b a Plastic watering can b Service drain outlet with rubber plug Use this outlet to drain water from the drain pan c Drain pump location d Drain pipe connection e Drain pipe 5 Turn OFF the power 6 Disconnect the electrical wiring Remove the service cover Disconnect the power supply Disconnect the user interface Reattach the service cover When installation of the s...

Page 60: ... INFORMATION Also read the precautions and requirements in the General safety precautions chapter CAUTION Piping MUST be installed according to instructions given in 17 Piping installation 460 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 U...

Page 61: ... diameter 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 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 refrigerant piping 17 ...

Page 62: ...ant Only use installation tools e g manifold gauge set that are exclusively used for R32 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 is NOT subjected to mechanical stress Protect the piping as described in the following table to prevent dirt liquid or dust from entering the p...

Page 63: ...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 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 Incomplete flaring may cause refrigerant gas leakage Do NOT re use flares Use new flares to prevent refrigerant gas leakage Use flare nuts that are...

Page 64: ...y protected against corrosion WARNING MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable Pipe length Keep refrigerant piping as 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 B A a d c e f b b a d c e f b b 2 4 3 g 1 2 3 4 g 1 A B A Gas piping B L...

Page 65: ...ng stages 1 Making sure the power supply 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 INFORMATION Also read the precautions and requirements in the Gen...

Page 66: ...th an inverter A phase advancing capacitor will reduce performance and may cause accidents WARNING ALWAYS use multicore cable for power supply cables WARNING Use an all pole disconnection type breaker with at least 3 mm between the contact point gaps that provide full disconnection under overvoltage category III WARNING If the supply cord is damaged it MUST be replaced by the manufacturer its serv...

Page 67: ...le The earth wire between the wire retainer and the terminal must be longer than the other wires 18 1 3 Specifications of standard wiring components Component Class 15 25 32 40 50 Power supply cable MCA a 0 3 A 0 4 A 0 6 A Voltage 220 240 V Phase 1 Frequency 50 60 Hz Wire sizes 1 5 mm2 3 core wire H07RN F 60245 IEC 66 Transmission wiring 0 75 to 1 25 mm2 2 core wire H05RN F 60245 IEC 57 User inter...

Page 68: ...sure to keep the power line and transmission line apart from each other Transmission wiring and power supply wiring may cross but may NOT run parallel 1 Remove the service cover 2 User interface cable Route the cable through the frame connect the cable to the terminal block symbols P1 P2 and fix the cable with a tie wrap 3 Transmission cable Route the cable through the frame connect the cable to t...

Page 69: ...trol box P1 P2 P1 P2 P1 P2 P1 P2 P1 P2 F1 F2 T1 T2 P1 P2 F1 F2 T1 T2 P1 P2 F1 F2 T1 T2 P1 P2 F1 F2 T1 T2 N L a d c b L N N L N L N L a Outdoor unit b Indoor unit c User interface d Most downstream indoor unit NOTICE Group control connection is NOT allowed CAUTION Each indoor unit has to be connected to a separate user interface Only a safety system compatible remote controller can be used as the u...

Page 70: ... the nameplate of the unit This phenomenon is caused by the compressor that needs a continuous run time of 50 hours before reaching smooth operation and stable power consumption NOTICE Before starting up the system the unit MUST be energised for at least 6 hours to avoid compressor breakdown during startup NOTICE ALWAYS operate the unit with thermistors and or pressure sensors switches If NOT burn...

Page 71: ...t 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 have NOT been bypassed The power supply voltage matches the voltag...

Page 72: ...e the installation manual of the optional accessory Following setting are only 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 Ceiling height This setting must correspond with the actual distance to the floor capacity class and air flow directions For 3 way and 2 way airflows which requ...

Page 73: ... with optional remote sensor or when setting M 10 20 SW 2 3 is used Setting Time to clean air filter This setting must correspond with the air contamination in the room It determines the interval at which Time to clean filter notification is displayed on the user interface If you want an interval of air contamination Then 1 M SW 2500 h light 10 20 0 01 1250 h heavy 02 Notification ON 3 01 Notifica...

Page 74: ...mperature difference between cooling setpoint and heating setpoint in automatic mode availability depends on the system type Differential is cooling setpoint minus heating setpoint If you want to set Then 1 Example M SW 0 C 12 22 4 01 cooling 24 C heating 24 C 1 C 02 cooling 24 C heating 23 C 2 C 03 cooling 24 C heating 22 C 3 C 04 cooling 24 C heating 21 C 4 C 05 cooling 24 C heating 20 C 5 C 06 ...

Page 75: ...erly please 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 t...

Page 76: ...ode Description The R32 sensor has detected a refrigerant leak Safety system error leak detection R32 sensor malfunction R32 sensor end of lifetime 6 months before the R32 sensor end of lifetime 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 Ma...

Page 77: ...22 Troubleshooting Installer and user reference guide 77 FXZA15 50A2VEB VRV system air conditioner 4P599623 1A 2020 06 Code Description Room temperature thermistor in remote controller abnormality ...

Page 78: ...er 4P599623 1A 2020 06 23 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 79: ...the unit Part 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 Res...

Page 80: ...de 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 ...

Page 81: ...sensor 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 Termin...

Page 82: ...ired 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 instal...

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Page 84: ...4P599623 1A 2020 06 Copyright 2020 Daikin Verantwortung für Energie und Umwelt ...

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