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Daikin FXFA20A2VEB, Installer And User Reference Manual

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Daikin FXFA20A2VEB Installer And User Reference Manual Download Page 15

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General safety precautions

Installer and user reference guide

15

FXFA20~125A2VEB
VRV system air conditioner
4P599624-1A – 2020.06

WARNING

▪

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.

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  break  the
compressor and other parts.

Summary of Contents for FXFA20A2VEB

Page 1: ...Installer and user reference guide VRV system air conditioner FXFA20A2VEB FXFA25A2VEB FXFA32A2VEB FXFA40A2VEB FXFA50A2VEB FXFA63A2VEB FXFA80A2VEB FXFA100A2VEB FXFA125A2VEB...

Page 2: ...optimum operation 33 10 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...

Page 3: ...2 Refrigerant piping insulation 62 17 2 Connecting the refrigerant piping 62 17 2 1 About connecting the refrigerant piping 62 17 2 2 Precautions when connecting the refrigerant piping 63 17 2 3 Guid...

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 operati...

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...

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...

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...

Page 8: ...lectric 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 t...

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 mini...

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...

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...

Page 12: ...ng 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 tu...

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 t...

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 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...

Page 16: ...e 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 i...

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 applicabl...

Page 18: ...r conditioner 4P599624 1A 2020 06 Commisioning see 19 Commissioning 472 WARNING If the panels on the indoor units are not installed yet make sure to power OFF the system after finishing the test run T...

Page 19: ...For the user Installer and user reference guide 19 FXFA20 125A2VEB VRV system air conditioner 4P599624 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 shoul...

Page 21: ...attery 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...

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...

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...

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...

Page 25: ...stem air conditioner 4P599624 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...

Page 26: ...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...

Page 27: ...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 det...

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...

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 hyp...

Page 30: ...back 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 ope...

Page 31: ...ximately 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 air...

Page 32: ...rection 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 th...

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 u...

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...

Page 35: ...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 freq...

Page 36: ...er 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 Turn ON the power 7 To remove warn...

Page 37: ...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 panel...

Page 38: ...door 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 panels 437 Insert batteries in the user interface if appl...

Page 39: ...afety 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 m...

Page 40: ...lation 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 immedia...

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 d...

Page 42: ...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...

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 tur...

Page 44: ...aller and user reference guide 44 FXFA20 125A2VEB VRV system air conditioner 4P599624 1A 2020 06 12 Relocation Contact your dealer for removing and reinstalling the total unit Moving units requires te...

Page 45: ...r 4P599624 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...

Page 46: ...For the installer Installer and user reference guide 46 FXFA20 125A2VEB VRV system air conditioner 4P599624 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 Prepa...

Page 48: ...art 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 inst...

Page 49: ...ining 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 pan...

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 dat...

Page 51: ...on 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 PC...

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 th...

Page 53: ...r 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 info...

Page 54: ...city class Also make sure the Ceiling height field setting corresponds with the actual situation See 20 1 Field setting 474 If air flow direction Then B FXFA20 100 FXFA125 All round 3 5 m 4 2 m 4 way...

Page 55: ...with standard panel 100 150 mm In case of installation with fresh air intake kit or design panel 130 180 mm In case of installation with self cleaning decoration panel a Ceiling slab b Anchor c Long n...

Page 56: ...80 840 860 910 950 c d e f a b a Drain piping b Refrigerant piping c Hanger bracket pitch suspension d Unit e Ceiling opening f Decoration panel Example If A a Then B a C a A C B 860 mm 10 mm 45 mm 91...

Page 57: ...an be evacuated properly This involves General guidelines Connecting the drain piping to the indoor unit Checking for water leaks General guidelines Pipe length Keep drain piping as short as possible...

Page 58: ...nnect the drain piping to the indoor unit NOTICE Incorrect connection of the drain hose might cause leaks and damage the installation space and surroundings 1 Push the drain hose as far as possible ov...

Page 59: ...emporarily connect electrical wiring Remove the service cover a Connect the user interface b Connect the power supply c Reattach the service cover a b a c N L a Service cover with wiring diagram b Use...

Page 60: ...wer supply Disconnect the user interface Reattach the service cover When installation of the system is already completed 1 Start cooling operation see the reference guide or the service manual of the...

Page 61: ...ATION 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 461 Only mechanica...

Page 62: ...er p Insulation inner diameter i 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 i i t p p If the temperature is higher...

Page 63: ...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 mix...

Page 64: ...45 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 17 2 4 Pipe bending guidelines Use a pipe bender for bending All pipe bends should be as gentle as possible bending radius shou...

Page 65: ...inherently resistant to corrosion or are suitably protected against corrosion WARNING MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable Pipe length Keep refrigerant piping...

Page 66: ...installation Installer and user reference guide 66 FXFA20 125A2VEB VRV system air conditioner 4P599624 1A 2020 06 NOTICE Make sure to insulate all refrigerant piping Any exposed piping might cause con...

Page 67: ...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 th...

Page 68: ...h 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...

Page 69: ...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 20 40 50 63 80 100 125 Power supply cable MCA a...

Page 70: ...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 blo...

Page 71: ...1 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...

Page 72: ...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...

Page 73: ...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...

Page 74: ...allation 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...

Page 75: ...g thermostat OFF at cooling operation LL 2 12 22 6 01 Setup volume 2 02 OFF a 03 Monitoring 1 2 04 Monitoring 2 2 05 Monitoring 3 2 06 H 2 07 During thermostat OFF at heating operation LL 2 12 22 3 01...

Page 76: ...mote 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...

Page 77: ...C heating 20 C 5 C 06 cooling 24 C heating 19 C 6 C 07 cooling 24 C heating 18 C 7 C 08 cooling 24 C heating 17 C Setting Auto restart after power failure Depending on the needs of the user you may d...

Page 78: ...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 com...

Page 79: ...de 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 Malfun...

Page 80: ...22 Troubleshooting Installer and user reference guide 80 FXFA20 125A2VEB VRV system air conditioner 4P599624 1A 2020 06 Code Description Room temperature thermistor in remote controller abnormality...

Page 81: ...r 4P599624 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...

Page 82: ...he 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...

Page 83: ...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 Step...

Page 84: ...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 META...

Page 85: ...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 manua...

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Page 88: ...4P599624 1A 2020 06 Copyright 2020 Daikin Verantwortung f r Energie und Umwelt...

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