Daikin FXFQ100BVEB User Manual Download

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Installer and user reference guide

VRV system air conditioner

FXFQ20BVEB
FXFQ25BVEB
FXFQ32BVEB
FXFQ40BVEB
FXFQ50BVEB
FXFQ63BVEB
FXFQ80BVEB
FXFQ100BVEB
FXFQ125BVEB

Summary of Contents for FXFQ100BVEB

Page 1: ...Installer and user reference guide VRV system air conditioner FXFQ20BVEB FXFQ25BVEB FXFQ32BVEB FXFQ40BVEB FXFQ50BVEB FXFQ63BVEB FXFQ80BVEB FXFQ100BVEB FXFQ125BVEB...

Page 2: ...5 3 Preparing refrigerant piping 22 5 3 1 Refrigerant piping requirements 22 5 3 2 Refrigerant piping insulation 23 5 4 Preparing electrical wiring 23 5 4 1 About preparing electrical wiring 23 6 Inst...

Page 3: ...clean the air filter 63 17 2 2 To clean the suction grille 64 17 2 3 To clean the air outlet and outside panels 65 17 3 Maintenance after a long stop period 65 17 4 Maintenance before a long stop per...

Page 4: ...Table of contents Installer and user reference guide 4 FXFQ20 125BVEB VRV system air conditioner 4P561452 1B 2021 07 19 Relocation 73 20 Disposal 74 21 Glossary 75...

Page 5: ...aning 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...

Page 6: ...e 3 in chapter 1 Indicates a table title or a reference to it Example 1 3 Table title means Table 3 in chapter 1 1 2 For the user WARNING If you are NOT sure how to operate the unit contact your insta...

Page 7: ...t the batteries may NOT be mixed with unsorted household waste If a chemical symbol is printed beneath the symbol this chemical symbol means that the battery contains a heavy metal above a certain con...

Page 8: ...of the unit Do NOT sit climb or stand on the unit NOTICE Works executed on the outdoor unit are best done under dry weather conditions to avoid water ingress In accordance with the applicable legislat...

Page 9: ...pressurize the product with a pressure higher than the maximum allowable pressure as indicated on the nameplate of the unit WARNING Take sufficient precautions in case of refrigerant leakage If refri...

Page 10: ...ctory charged with refrigerant and depending on pipe sizes and pipe lengths some systems require additional charging of refrigerant Only use tools exclusively for the refrigerant type used in the syst...

Page 11: ...wiring diagram supplied with the product NEVER squeeze bundled cables and make sure they do NOT come in contact with the piping and sharp edges Make sure no external pressure is applied to the termina...

Page 12: ...ning the terminal screws A screwdriver with a small head will damage the head and make proper tightening impossible Over tightening the terminal screws may break them WARNING After finishing the elect...

Page 13: ...on 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 d...

Page 14: ...For the installer Installer and user reference guide 14 FXFQ20 125BVEB VRV system air conditioner 4P561452 1B 2021 07 For the installer...

Page 15: ...amage 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 Prepar...

Page 16: ...t of packing b General safety precautions c Indoor unit installation and operation manual d Installation guide e Washers for hanger brackets f Screws to temporarily attach the paper pattern for instal...

Page 17: ...bining outdoor and indoor units Combining the indoor unit with options INFORMATION For year round cooling applications with low indoor humidity conditions such as Electronic Data Processing rooms cont...

Page 18: ...e d Suction air e Discharge air f Refrigerant piping interconnection cable g Drain pipe h Earth wiring i Suction grille and air filter 4 4 Combining units and options INFORMATION Certain options might...

Page 19: ...RMATION Also read the following requirements General installation site requirements See the General safety precautions chapter Refrigerant piping requirements length height difference See further in t...

Page 20: ...g a wireless user interface in a room with fluorescent lights mind the following to avoid interference Install the wireless user interface as close as possible to the indoor unit Install the indoor un...

Page 21: ...standard panel fresh air intake kit 361 mm In case of installation with design panel fresh air intake kit 125 class 311 mm In case of installation with standard decoration panel 353 mm In case of ins...

Page 22: ...e pay special attention to check the tightness of the installation NOTICE The piping and other pressure containing parts shall be suitable for refrigerant Use phosphoric acid deoxidised seamless coppe...

Page 23: ...ity 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...

Page 24: ...tallation INFORMATION This chapter only describes installation instructions specific to the indoor unit For the other instructions see The installation manual of the outdoor unit The installation manu...

Page 25: ...ether 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 i...

Page 26: ...nd the suspended ceiling If the ceiling opening is larger add extra ceiling material Make sure the unit and its hanger brackets suspension are centered within the ceiling opening mm 710 840 860 910 95...

Page 27: ...l NOTICE Do NOT install the unit tilted Possible consequence If the unit is tilted against the direction of the condensate flow the drain piping side is raised the float switch might malfunction and c...

Page 28: ...outer diameter field supply d Hanging bars field supply Condensation Take measures against condensation Insulate the complete drain piping in the building Combining drain pipes You can combine drain...

Page 29: ...iping field supply To check for water leaks The procedure differs depending on whether electrical wiring is already finished When electrical wiring is not finished yet you need to temporarily connect...

Page 30: ...l wiring is finished already 1 Start cooling operation see 8 4 To perform a test run 443 2 Gradually pour approximately 1 l of water through the air discharge outlet and check for leaks see When elect...

Page 31: ...Only use installation tools e g manifold gauge set that are exclusively used for R410A installations to withstand the pressure and to prevent foreign materials e g mineral oils and moisture from mixin...

Page 32: ...90 2 A 9 5 33 39 12 8 13 2 12 7 50 60 16 2 16 6 15 9 62 75 19 3 19 7 6 3 4 Pipe bending guidelines Use a pipe bender for bending All pipe bends should be as gentle as possible bending radius should b...

Page 33: ...are constructed of materials that are inherently resistant to corrosion or are suitably protected against corrosion Pipe length Keep refrigerant piping as short as possible Flare connections Connect...

Page 34: ...ng the electrical wiring INFORMATION Also read the precautions and requirements in the following chapters General safety precautions Preparation DANGER RISK OF ELECTROCUTION WARNING ALWAYS use multico...

Page 35: ...b Screw c Flat washer Allowed NOT allowed Tightening torques Wiring Screw size Tightening torque N m Interconnection cable indoor outdoor M4 1 18 1 44 User interface cable M3 5 0 79 0 97 6 4 4 Specif...

Page 36: ...istance between both wirings should ALWAYS 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...

Page 37: ...REYQ h Indoor unit i User interface Complete system example When 1 user interface controls 1 indoor unit LN P1 P2 P1 P2 F1 F2 T1 T2 P1 P2 P1 P2 LN F1 F2 T1 T2 P1 P2 P1 P2 LN F1 F2 T1 T2 LN P1 P2 P1 P2...

Page 38: ...F2 F1 F2 Control box f a Outdoor unit b Indoor unit c User interface d Most downstream indoor unit e For use with 2 user interfaces f BS unit a mm e e b c 10 15 70 90 10 20 d c b 10 15 d 70 90 7 N L...

Page 39: ...f the optional blocking pad kit For all round air flow use the table below If the distance to the floor is m Then 1 FXFQ20 63 FXFQ80 125 M C1 C2 2 7 3 2 13 23 0 01 2 7 x 3 0 3 2 x 3 6 02 3 0 x 3 5 3 6...

Page 40: ...1 2 04 Monitoring 2 2 05 Setting Time to clean air filter This setting must correspond with the air contamination in the room It determines the interval at which the TIME TO CLEAN AIR FILTER notifica...

Page 41: ...Disconnect the remote controller from the master unit and connect it to the slave unit 6 Change to individual setting 7 Perform field setting for the slave unit 8 Turn off the main power supply or in...

Page 42: ...least 6 hours to avoid compressor breakdown during startup NOTICE ALWAYS operate the unit with thermistors and or pressure sensors switches If NOT burning of the compressor might be the result NOTICE...

Page 43: ...abel of the unit There are NO loose connections or damaged electrical components in the switch box The insulation resistance of the compressor is OK There are NO damaged components or squeezed pipes o...

Page 44: ...tenance Contact Field Settings Demand Min Setpoints Differential Group Address 4 Press Test Operation is displayed on the home menu Cool Return Setting Test Operation 5 Press within 10 seconds Test ru...

Page 45: ...ure is not displayed The wiring is disconnected or there is a wiring error between power supply and outdoor unit between outdoor unit and indoor units between indoor unit and user interface The fuse o...

Page 46: ...ly 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 compl...

Page 47: ...r 4P561452 1B 2021 07 10 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...

Page 48: ...connection c Heat exchanger 11 2 Wiring diagram 11 2 1 Unified wiring diagram legend For applied parts and numbering refer to the wiring diagram on the unit Part numbering is by Arabic numbers in asce...

Page 49: ...R _A MR _B S U V W X A K R_ NE Connection connector D V D Diode DB Diode bridge DS DIP switch E H Heater FU F U for characteristics refer to PCB inside your unit Fuse FG Connector frame ground H Harne...

Page 50: ...tor Q M Thermo switch Q R Residual current device R Resistor R T Thermistor RC Receiver S C Limit switch S L Float switch S NG Refrigerant leak detector S NPH Pressure sensor high S NPL Pressure senso...

Page 51: ...aller and user reference guide 51 FXFQ20 125BVEB VRV system air conditioner 4P561452 1B 2021 07 Symbol Meaning Y E Electronic expansion valve coil Y R Y S Reversing solenoid valve coil Z C Ferrite cor...

Page 52: ...For the user Installer and user reference guide 52 FXFQ20 125BVEB VRV system air conditioner 4P561452 1B 2021 07 For the user...

Page 53: ...oling 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 a...

Page 54: ...ity 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 Nov Hospody 1 1155 301 00 Pl...

Page 55: ...he controller Do NOT remove the front panel Some parts inside are dangerous to touch and appliance problems may happen For checking and adjusting the internal parts contact your dealer This operation...

Page 56: ...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 tur...

Page 57: ...l During defrost operation the heating capacity on the indoor unit side will temporarily drop until defrosting is completed After defrosting the unit will regain its full heating capacity The indoor u...

Page 58: ...cro computer automatically determines temperature and fan speed cannot be set by the user interface The system does not go into operation if the room temperature is low 20 C 15 2 2 To use the dry prog...

Page 59: ...sired position 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 The movable limit of the fla...

Page 60: ...rculation Airflow Enable Disable Enable 5 Confirm setting Return Setting Return Setting Circulation Airflow Save the settings Yes No 6 Go to the home screen Cool Set to 28 C 7 Check if Air Volume dire...

Page 61: ...NOT to cool or heat too much To save energy keep the temperature setting at a moderate level NEVER place objects near the air inlet or the air outlet of the unit Doing so may cause a reduced heating...

Page 62: ...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...

Page 63: ...he TIME TO CLEAN AIR FILTER notification Clean the air filter when the notification is displayed If the dirt becomes impossible to clean change the air filter optional equipment How to clean the air f...

Page 64: ...e suction grille 6 Turn ON the power 7 Press the FILTER SIGN RESET button Result The TIME TO CLEAN AIR FILTER notification disappears from the user interface 17 2 2 To clean the suction grille NOTICE...

Page 65: ...r polishing powder or liquid insecticide Possible consequence Discoloration and deformation Do NOT use water or air of 50 C or higher Possible consequence Discoloration and deformation Do NOT scrub fi...

Page 66: ...2 equivalent tonnes GWP value of the refrigerant total refrigerant charge in kg 1000 Please contact your installer for more information WARNING The refrigerant in the system is safe and normally does...

Page 67: ...aked flames The refrigerant itself is entirely safe non toxic and non combustible but it will generate toxic gas when it accidentally leaks into a room where combustible air from fan heaters gas cooke...

Page 68: ...c the unit cannot be used if power fluctuation is outside the allowable range Bumps and vibrations are frequent Dust salt harmful gas or oil mist such as sulphurous acid and hydrogen sulfide may be pr...

Page 69: ...OT operate properly except for the above mentioned cases and none of the above mentioned malfunctions is evident investigate the system in accordance with the following procedures Malfunction Measure...

Page 70: ...red for operation 18 1 2 Symptom The fan speed does not correspond to the setting The fan speed does not change even if the fan speed adjustment button in pressed During heating operation when the roo...

Page 71: ...ure change make this noise 18 1 8 Symptom Noise of air conditioners Indoor unit outdoor unit A continuous low hissing sound is heard when the system is in cooling or defrost operation This is the soun...

Page 72: ...Q20 125BVEB VRV system air conditioner 4P561452 1B 2021 07 18 1 14 Symptom The compressor in the outdoor unit does not stop after a short heating operation This is to prevent refrigerant from remainin...

Page 73: ...taller and user reference guide 73 FXFQ20 125BVEB VRV system air conditioner 4P561452 1B 2021 07 19 Relocation Contact your dealer for removing and reinstalling the total unit Moving units requires te...

Page 74: ...r 4P561452 1B 2021 07 20 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...

Page 75: ...or application explaining how to install configure and maintain it Operation manual Instruction manual specified for a certain product or application explaining how to operate it Maintenance instruct...

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