Daikin FXMA50A5VEB Installer And User Manual Download Page 1

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Installer and user reference guide

VRV system air conditioner

FXMA50A5VEB
FXMA63A5VEB
FXMA80A5VEB
FXMA100A5VEB
FXMA125A5VEB

Summary of Contents for FXMA50A5VEB

Page 1: ...Installer and user reference guide VRV system air conditioner FXMA50A5VEB FXMA63A5VEB FXMA80A5VEB FXMA100A5VEB FXMA125A5VEB...

Page 2: ...Special heating operation modes 29 8 3 To operate the system 29 9 Energy saving and optimum operation 30 10 Maintenance and service 31 10 1 Precautions for maintenance and service 31 10 2 Cleaning th...

Page 3: ...1 2 Refrigerant piping insulation 60 17 2 Connecting the refrigerant piping 60 17 2 1 About connecting the refrigerant piping 60 17 2 2 Precautions when connecting the refrigerant piping 61 17 2 3 Gui...

Page 4: ...t is part of a documentation set The complete set consists of General safety precautions Safety instructions that you must read before installing Format Paper in the box of the indoor unit Indoor unit...

Page 5: ...g 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 BURN...

Page 6: ...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 re...

Page 7: ...e 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 wi...

Page 8: ...nd explosion of the compressor because of air going into the operating compressor Use a separate recovery system so that the unit s compressor does NOT have to operate WARNING ALWAYS recover the refri...

Page 9: ...tely If the valve is NOT closed immediately remaining pressure might charge additional refrigerant Possible consequence Incorrect refrigerant amount 2 2 4 Electrical DANGER RISK OF ELECTROCUTION Turn...

Page 10: ...th 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 ca...

Page 11: ...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 exis...

Page 12: ...d in a room without continuously operating ignition sources example open flames an operating gas appliance or an operating electric heater CAUTION Appliance NOT accessible to the general public instal...

Page 13: ...oster fans in the duct Use the function to adjust the fan rate setting automatically see 20 Configuration 472 Refrigerant piping installation see 17 Piping installation 459 CAUTION Piping MUST be inst...

Page 14: ...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 service agent or sim...

Page 15: ...es 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...

Page 16: ...nstallation space requirements 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 requi...

Page 17: ...For the user Installer and user reference guide 17 FXMA A VRV system air conditioner 4P680920 1 2022 01 For the user...

Page 18: ...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...

Page 19: ...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 batter...

Page 20: ...by an installer CAUTION It is unhealthy 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...

Page 21: ...eak 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 CAUTION Before accessing terminal devices make sure to i...

Page 22: ...than those recommended by the manufacturer Be aware that the refrigerant inside the system is odourless WARNING The refrigerant inside the unit is mildly flammable but normally does NOT leak If the r...

Page 23: ...st be replaced after every detection or at the end of its lifetime ONLY authorised persons may replace the sensor Troubleshooting see 11 Troubleshooting 437 WARNING Stop operation and shut OFF the pow...

Page 24: ...el 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...

Page 25: ...ol 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 cooling LWA E dB A So...

Page 26: ...cal 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...

Page 27: ...ficiency 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 colle...

Page 28: ...ically after the power turns back on again Setpoint Target temperature for the Cooling Heating and Auto operation modes Setback A function that keeps the room temperature in a specific range when the...

Page 29: ...to defrost operation During defrost operation the indoor unit fan will stop operation and the following icon will appear on the home screen The system will resume normal operation after approximately...

Page 30: ...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...

Page 31: ...erform this work However as end user you may clean the air filter and air outlet 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...

Page 32: ...ter and air outlet CAUTION Turn off the unit before cleaning the air filter and air outlet NOTICE Do NOT use gasoline benzene thinner polishing powder or liquid insecticide Possible consequence Discol...

Page 33: ...nstallation without duct on the suction side re install the filter fixing screw rear suction 2 1 1 1 bottom suction 2 1 1 1 8 In case of bottom suction with duct close the protective guard In case of...

Page 34: ...into the atmosphere Refrigerant type R32 Global warming potential GWP value 675 NOTICE Applicable legislation on fluorinated greenhouse gases requires that the refrigerant charge of the unit is indic...

Page 35: ...ect substances other than R32 refrigerant Avoid using chemical substances e g organic solvents hair spray paint in high concentrations in the close proximity of the indoor unit because this may cause...

Page 36: ...isplays error A0 11 emits an alarm sound and the status indicator blinks 2 Contact your dealer immediately For more information see the installation manual of the outdoor unit INFORMATION To stop alar...

Page 37: ...n 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...

Page 38: ...r 432 Check if air inlet or outlet of outdoor or indoor unit is not blocked by obstacles Remove any obstacles turn the breaker OFF and back ON If the lamp still blinks contact your dealer An abnormal...

Page 39: ...p Operation automatically restarts when the noise ceases A power reset may help to remove this error 11 1 5 Symptom Noise of air conditioners Indoor unit A zeen sound is heard immediately after the po...

Page 40: ...Installer and user reference guide 40 FXMA A VRV system air conditioner 4P680920 1 2022 01 12 Relocation Contact your dealer for removing and reinstalling the total unit Moving units requires technic...

Page 41: ...680920 1 2022 01 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...

Page 42: ...For the installer Installer and user reference guide 42 FXMA A VRV system air conditioner 4P680920 1 2022 01 For the installer...

Page 43: ...amage 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...

Page 44: ...air filter 2 Remove the accessories from the inside of the unit 16 8 1 1 3 1 1 1 1 d c b a e f g h i a Installation and operation manual b General safety precautions c Washers for hanger brackets d Sc...

Page 45: ...units and options 46 15 4 1 Possible options for the indoor unit 46 15 1 Identification NOTICE When installing or servicing several units at the same time make sure NOT to switch the service panels b...

Page 46: ...age detection E g BRC1H52 user interfaces can generate an alarm of 65 dB sound pressure measured at a distance of 1 m from the alarm Sound data is available in the technical data sheet of the user int...

Page 47: ...the optional output PCB An additional Installation box for the optional output PCB is required see the option list of the indoor unit For installation of the installation box refer to the manual of t...

Page 48: ...he unit MUST be covered WARNING The appliance shall be stored in a room without continuously operating ignition sources example open flames an operating gas appliance or an operating electric heater 1...

Page 49: ...on keep distances of 3 m or more to avoid electromagnetic interference of other equipment and use conduit tubes for power and transmission lines Do NOT install the unit in the following places In plac...

Page 50: ...ce space Discharge grille Minimum requirement installation height of discharge grille 1 8 m Service space and ceiling opening size Make sure ceiling opening is big enough to ensure a sufficient cleara...

Page 51: ...for protective guard field supply Class 50 80 950 255 mm Class 100 125 1295 255 mm Air filter fixing In case of installation without duct on the air inlet side fix the air filter on the service cover...

Page 52: ...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 b a c e d a Anchor b Ceiling slab c...

Page 53: ...installation manual of the optional equipment Depending on the field conditions it might be easier to install the optional equipment first Installation box for the optional output PCB An additional I...

Page 54: ...e setting automatically see 20 Configuration 472 The ducting is to be field supplied 1 Connect the canvas duct to the inside of the flange on both inlet and outlet side For connecting the canvas duct...

Page 55: ...being trapped in the piping Use hanging bars as shown 1 1 5 m a a Hanging bar Allowed Not allowed Condensation Take measures against condensation Insulate the complete drain piping in the building Ri...

Page 56: ...ew head is less than 4 mm from the metal clamp part 3 Check for water leaks see To check for water leaks 457 4 Wind the large sealing pad insulation around the metal clamp and drain hose and fix it wi...

Page 57: ...system is not yet completed temporarily connect the user interface and power supply to the unit When installation of the system is not yet completed 1 Temporarily connect electrical wiring Remove the...

Page 58: ...ortable pump 6 Turn OFF the power 7 Disconnect the electrical wiring Remove the service cover Disconnect the power supply Disconnect the user interface Reattach the service cover When installation of...

Page 59: ...FORMATION Also read the precautions and requirements in the 2 General safety precautions 45 CAUTION Piping MUST be installed according to instructions given in 17 Piping installation 459 Only mechanic...

Page 60: ...Insulation inner diameter i Insulation thickness t 6 4 mm 1 4 8 10 mm 10 mm 9 5 mm 3 8 10 14 mm 13 mm 12 7 mm 1 2 14 16 mm 13 mm 15 9 mm 5 8 16 20 mm 13 mm i i t p p If the temperature is higher than...

Page 61: ...and damage the system NOTICE Take the following precautions on refrigerant piping into account Avoid anything but the designated refrigerant to get mixed into the refrigerant cycle e g air Only use R3...

Page 62: ...ether to tighten the flare nut when connecting the piping This to prevent nut cracking and leaks a b c d a Torque wrench b Spanner c Piping union d Flare nut Piping size mm Tightening torque N m Flare...

Page 63: ...e sure the flare nut is fitted 17 2 6 To connect the refrigerant piping to the indoor unit CAUTION Install the refrigerant piping or components in a position where they are unlikely to be exposed to a...

Page 64: ...e unit e Refrigerant pipe connection attached to the unit f Unit g Sealing pads Medium 1 gas pipe medium 2 liquid pipe accessories 1 Turn up the seams of the insulation pieces 2 Attach to the base of...

Page 65: ...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 ma...

Page 66: ...this unit is equipped with an inverter A phase advancing capacitor will reduce performance and may cause accidents WARNING Use an all pole disconnection type breaker with at least 3 mm between the con...

Page 67: ...tainer and the terminal must be longer than the other wires 18 1 3 Specifications of standard wiring components Component Power supply cable MCA a 18 1 Minimum circuit ampacity 468 Voltage 220 240 V 2...

Page 68: ...be at least 50 mm NOTICE Be 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...

Page 69: ...L N L N L TO OUT D TO IN D a 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...

Page 70: ...the following stages 1 Checking the Checklist before commissioning 2 Performing a test run for the system 19 2 Precautions when commissioning INFORMATION During the first running period of the unit th...

Page 71: ...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 documen...

Page 72: ...etting Bottom suction or rear suction installation This setting must correspond with the installation type rear suction default or bottom suction If you have the installation with Then 1 M SW Rear suc...

Page 73: ...prior to using the airflow automatic adjustment function 2 Stop the air conditioning unit 3 Set the value number to 03 for M 11 21 and SW 7 4 Start the air conditioning unit Result The operation lamp...

Page 74: ...peration LL 2 12 22 6 01 Setup volume 2 02 OFF a 03 Monitoring 1 2 04 Monitoring 2 2 05 During thermostat OFF at heating operation LL 2 12 22 3 01 Setup volume 2 02 OFF a 03 Monitoring 1 2 04 Monitori...

Page 75: ...controller thermostat sensor is used When the remote controller thermostat sensor is Then 1 M SW Used in combination with indoor unit thermistor 10 20 2 01 Not used indoor unit thermistor only 02 Used...

Page 76: ...T2 input setting WARNING In case of R32 refrigerant terminal connections T1 T2 are for fire alarm input ONLY Fire alarm has a higher priority than R32 safety and shuts the entire system down T1 T2 X1M...

Page 77: ...f you want to set Then 1 M SW Forced OFF 12 22 1 01 ON OFF Operation 02 Emergency recommended for alarm operation 03 Forced OFF multi tenant 04 Interlocking setting A 05 Interlocking setting B 06 1 Fi...

Page 78: ...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...

Page 79: ...scription 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...

Page 80: ...22 Troubleshooting Installer and user reference guide 80 FXMA A VRV system air conditioner 4P680920 1 2022 01 Code Description Room temperature thermistor in remote controller abnormality...

Page 81: ...680920 1 2022 01 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...

Page 82: ...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 P...

Page 83: ...P 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 m...

Page 84: ...r 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 Ter...

Page 85: ...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...

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