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Daikin RXF50D5V1B, Installer'S Reference Manual

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Daikin RXF50D5V1B Installer'S Reference Manual Download Page 50

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Electrical installation

Installer reference guide

50

RXF50~71D5V1B

R32 split series

4P519439-15Q – 2021.10

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

▪

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, particularly on the high-pressure side.

▪

Do  NOT  use  taped  wires,  stranded  conductor  wires,  extension  cords,  or
connections from a star system. They can cause overheating, electrical shock or
fire.

▪

Do NOT install a phase advancing capacitor, because 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 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 similarly qualified persons in order to avoid a hazard.

WARNING

Do NOT connect the power supply to the indoor unit. This could result in electrical
shock or fire.

WARNING

▪

Do NOT use locally purchased electrical parts inside the product.

▪

Do  NOT  branch  the  power  supply  for  the  drain  pump,  etc.  from  the  terminal
block. This could result in electrical shock or fire.

WARNING

Keep the interconnection wiring away from copper pipes without thermal insulation
as such pipes will be very hot.

DANGER: RISK OF ELECTROCUTION

All electrical parts (including thermistors) are powered by the power supply. Do NOT
touch them with bare hands.

Summary of Contents for RXF50D5V1B

Page 1: ...Installer reference guide R32 split series RXF50D5V1B RXF60D5V1B RXF71D5V1B ...

Page 2: ...ut mounting the outdoor unit 31 6 3 2 Precautions when mounting the outdoor unit 31 6 3 3 To provide the installation structure 31 6 3 4 To install the outdoor unit 32 6 3 5 To provide drainage 32 6 3 6 To prevent the outdoor unit from falling over 33 7 Piping installation 35 7 1 Preparing refrigerant piping 35 7 1 1 Refrigerant piping requirements 35 7 1 2 Refrigerant piping insulation 36 7 1 3 R...

Page 3: ...8 12 4 To perform a test run 58 12 5 Starting up the outdoor unit 59 13 Hand over to the user 60 14 Maintenance and service 61 14 1 Overview Maintenance and service 61 14 2 Maintenance safety precautions 61 14 3 Checklist for yearly maintenance of the outdoor unit 61 14 4 About the compressor 62 15 Troubleshooting 63 15 1 Overview Troubleshooting 63 15 2 Precautions when troubleshooting 63 15 3 So...

Page 4: ...e the installation manual of the indoor unit Documentation set This document 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 outdoor unit Outdoor unit installation manual Installation instructions Format Paper in the box of the outdoor unit Installer reference guide Prepar...

Page 5: ... 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 WARNING I...

Page 6: ... 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 could result ...

Page 7: ... 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 well ventilated Do NOT block any ventilation openings Make sur...

Page 8: ...y 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 ducting Do NOT use spaces such as a false ceiling as a duct for the air inlet or outlet NOTICE Precautions s...

Page 9: ...ry room 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 1 1 1 2 2 kg tCO2 eq 1000 GWP kg kg kg GWP xxx R32 2 Determine which graph or table to u...

Page 10: ... 6 4 0 136 7 6 492 4 2 11 2 7 8 38 5 4 2 150 7 8 518 4 4 12 3 4 4 165 m kg Amin m2 4 6 20 0 4 8 21 8 5 0 23 6 1 842 5 2 25 6 1 843 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 4...

Page 11: ...them directly into the environment Use a vacuum pump to evacuate the installation NOTICE After all the piping has been connected make sure there is no gas leak Use nitrogen to perform a gas leak detection NOTICE To avoid compressor breakdown do NOT charge more than the specified amount of refrigerant When the refrigerant system is to be opened refrigerant MUST be treated according to the applicabl...

Page 12: ... consequence Incorrect refrigerant amount 2 2 4 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 10 minutes and measure the voltage at the terminals of main circuit capacitors or electrical components before servicing The voltage MUST be less tha...

Page 13: ... 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 carrying wires are tautened before the...

Page 14: ...wer 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 ...

Page 15: ...cause vibrations 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 Opening and closing the unit see 6 2 Opening and closing the unit 430 DANGER RISK OF ELECTROCUTION Do NOT leave the unit unattended when the service cover is removed DANGER RISK OF BURNING SCALDING DANGER RIS...

Page 16: ...ent refrigerant gas leakage Use flare nuts that are included with the unit Using different flare nuts may cause refrigerant gas leakage CAUTION Do NOT open the valves before flaring is complete This would cause refrigerant gas leakage DANGER RISK OF EXPLOSION Do NOT start the unit if it is vacuumed Charging refrigerant see 8 Charging refrigerant 445 WARNING The refrigerant inside the unit is mildl...

Page 17: ...tility 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 particularly on the high pressure side Do NOT use taped wires stranded conductor wires extension cords or connections from a star system They can ...

Page 18: ...rical components before servicing The voltage MUST be less than 50 V DC before you can touch electrical components For the location of the terminals see the wiring diagram Finishing indoor unit installation see 10 Finishing the outdoor unit installation 454 DANGER RISK OF ELECTROCUTION Make sure that the system is earthed properly Turn OFF the power supply before servicing Install the switch box c...

Page 19: ...10 minutes after the power supply is turned off because of high voltage risk Please note that some sections of the electric component box are hot Make sure you do NOT touch a conductive section Do NOT rinse the unit This may cause electric shocks or fire DANGER RISK OF ELECTROCUTION Use this compressor on a grounded system only Turn the power off before servicing the compressor Reattach the switch...

Page 20: ...t NEVER shunt safety devices or change their values to a value other than the factory default setting If you are unable to find the cause of the problem call your dealer WARNING Prevent hazards due to inadvertent resetting of the thermal cut out power to this appliance MUST NOT be supplied through an external switching device such as a timer or connected to a circuit that is regularly turned ON an...

Page 21: ...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 When handling the unit take into account the following Fragile handle the unit with care Keep the unit upright in order to avoid damage Keep the unit away...

Page 22: ...4 About the box Installer reference guide 22 RXF50 71D5V1B R32 split series 4P519439 15Q 2021 10 1 2 ...

Page 23: ...Q 2021 10 1 2 4 2 2 To remove the accessories from the outdoor unit 1 Lift the outdoor unit CAUTION ONLY handle the outdoor unit as follows 2 Remove the accessories at the bottom of the package 1 1 1 1 1 6 3 1 b e c d a f g h a General safety precautions b Outdoor unit installation manual ...

Page 24: ...e 24 RXF50 71D5V1B R32 split series 4P519439 15Q 2021 10 c Fluorinated greenhouse gases label d Multilingual fluorinated greenhouse gases label e Drain plug located on the bottom of the packing case f Drain cap 1 g Drain cap 2 h Energy label ...

Page 25: ... 15Q 2021 10 5 About the unit WARNING MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable 5 1 Overview About the unit This chapter contains information about Identification of the outdoor unit 5 2 Identification 5 2 1 Identification label Outdoor unit Location ...

Page 26: ...ite Choose an installation location with sufficient space for carrying the unit in and out of the site Do NOT install the unit in places often used as work place In case of construction works e g grinding works where a lot of dust is created the unit MUST be covered CAUTION Check if the installation location can support the unit s weight Poor installation is hazardous It can also cause vibrations ...

Page 27: ... mm NOTICE Do NOT stack the units on each other Do NOT hang the unit on a ceiling Strong winds 18 km h blowing against the outdoor unit s air outlet causes short circuit suction of discharge air This may result in deterioration of the operational capacity frequent frost acceleration in heating operation disruption of operation due to decrease of low pressure or increase of high pressure a broken f...

Page 28: ...ral oil mist spray or vapour may be present in the atmosphere Plastic parts may deteriorate and fall off or cause water leakage It is NOT recommended to install the unit in the following places because it may shorten the life of the unit Where the voltage fluctuates a lot In vehicles or vessels Where acidic or alkaline vapour is present Seaside installation Make sure the outdoor unit is NOT direct...

Page 29: ...t direct snowfall and take care that the outdoor unit is NEVER snowed up a b c c d a Snow cover or shed b Pedestal c Prevailing wind direction d Air outlet It is recommended to provide at least 150 mm of free space below the unit 300 mm for heavy snowfall areas Additionally make sure the unit is positioned at least 100 mm above the maximum expected level of snow If necessary construct a pedestal S...

Page 30: ... wiring When maintaining or servicing the unit DANGER RISK OF ELECTROCUTION Do NOT leave the unit unattended when the service cover is removed 6 2 2 To open the outdoor unit DANGER RISK OF ELECTROCUTION DANGER RISK OF BURNING SCALDING 3 2 2 1 1 1 6 2 3 To close the outdoor unit NOTICE When closing the outdoor unit cover make sure that the tightening torque does NOT exceed 4 1 N m NOTICE When closi...

Page 31: ... the unit from falling over 6 3 2 Precautions when mounting the outdoor unit INFORMATION Also read the precautions and requirements in the following chapters 2 General safety precautions 45 6 1 Preparing the installation site 426 6 3 3 To provide the installation structure Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise Use a...

Page 32: ... base to make sure that there is proper drainage in order to avoid ice accumulation Prepare a water drainage channel around the foundation to drain waste water away from the unit Avoid drain water flowing over the footpath so that it does NOT become slippery in case of ambient freezing temperatures If you install the unit on a frame install a waterproof plate within 150 mm of the bottom side of th...

Page 33: ...se field supply To close the drain holes and attach the drain socket NOTICE In cold areas do NOT use a drain socket hose and caps 1 2 with the outdoor unit Take adequate measures so that the evacuated condensate CANNOT freeze 1 Install drain caps 1 and 2 accessory Make sure the edges of the drain caps close off the holes completely a b a Bottom frame b Drain cap 2 Install the drain socket a c b b ...

Page 34: ...e guide 34 RXF50 71D5V1B R32 split series 4P519439 15Q 2021 10 3 Insert a rubber sheet between the cables and the outdoor unit to prevent the cables from scratching the paint field supply 4 Attach the ends of the cables 5 Tighten the cables ...

Page 35: ...cking the refrigerant piping 41 7 3 2 Precautions when checking the refrigerant piping 42 7 3 3 To check for leaks 42 7 3 4 To perform vacuum drying 43 7 1 Preparing refrigerant piping 7 1 1 Refrigerant piping requirements INFORMATION Also read the precautions and requirements in the 2 General safety precautions 45 NOTICE The piping and other pressure containing parts shall be suitable for refrige...

Page 36: ...iping length and height difference What Distance Maximum allowable pipe length 30 m Minimum allowable pipe length 3 m Maximum allowable height distance 20 m 7 2 Connecting the refrigerant piping CAUTION No brazing or welding on site for units with R32 refrigerant charge during shipment During installation of the refrigeration system joining of parts with at least one part charged shall be performe...

Page 37: ...s NOTICE Do NOT use mineral oil on flared part Do NOT reuse piping from previous installations NEVER install a drier to this R32 unit to guarantee its lifetime The drying material may dissolve 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 R32 when ...

Page 38: ...cycle which may result in equipment damage and even injury 7 2 3 Guidelines when connecting the refrigerant piping Take the following guidelines into account when connecting pipes Coat the flare inner surface with ether oil or ester oil when connecting a flare nut Tighten 3 or 4 turns by hand before tightening firmly ALWAYS use 2 wrenches together when loosening a flare nut ALWAYS use a spanner an...

Page 39: ...he stop valve and put the flare nut on the pipe 4 Flare the pipe Set exactly at the position as shown in the following figure A Flare tool for R32 clutch type Conventional flare tool Clutch type Ridgid type Wing nut type Imperial type A 0 0 5 mm 1 0 1 5 mm 1 5 2 0 mm 5 Check that the flaring is properly made a b c a Flare s inner surface MUST be flawless b The pipe end MUST be evenly flared in a p...

Page 40: ...ating pressure will be low e g when cooling will be performed while the outside air temperature is low sufficiently seal the flare nut in the stop valve on the gas line with silicon sealant to prevent freezing Silicon sealant make sure there is no gap To open close the stop valve 1 Remove the stop valve cover 2 Insert a hexagon wrench liquid side 4 mm gas side 6 mm into the valve stem and turn the...

Page 41: ...piping to the outdoor unit Piping length Keep field piping as short as possible Piping protection Protect the field piping against physical damage 1 Connect the liquid refrigerant connection from the indoor unit to the liquid stop valve of the outdoor unit a b c a Liquid stop valve b Gas stop valve c Service port 2 Connect the gas refrigerant connection from the indoor unit to the gas stop valve o...

Page 42: ...t piping 435 NOTICE Use a 2 stage vacuum pump with a non return valve that can evacuate to a gauge pressure of 100 7 kPa 1 007 bar 5 Torr absolute Make sure the pump oil does not flow oppositely into the system while the pump is not working NOTICE Use this vacuum pump for R32 exclusively Using the same pump for other refrigerants may damage the pump and the unit NOTICE Connect the vacuum pump to t...

Page 43: ...auge manifold c High pressure gauge d Low pressure valve Lo e High pressure valve Hi f Charging hoses g Vacuum pump h Valve caps i Service port j Gas stop valve k Liquid stop valve 1 Vacuum the system until the pressure on the manifold indicates 0 1 MPa 1 bar 2 Leave as is for 4 5 minutes and check the pressure If the pressure Then Does not change There is no moisture in the system This procedure ...

Page 44: ...g and performing vacuum drying Running the system with the stop valves closed may break the compressor INFORMATION After opening the stop valve it is possible that the pressure in the refrigerant piping does NOT increase This might be caused by e g the closed state of the expansion valve in the outdoor unit circuit but does NOT present any problem for correct operation of the unit ...

Page 45: ...e charging additional refrigerant make sure the outdoor unit s external refrigerant piping is checked leak test vacuum drying INFORMATION Depending on the units and or the installation conditions it might be necessary to connect electrical wiring before you can charge refrigerant Typical workflow Charging additional refrigerant typically consists of the following stages 1 Determining if and how mu...

Page 46: ...rces example open flames an operating gas appliance or an operating electric heater WARNING Do NOT pierce or burn refrigerant cycle parts Do NOT use cleaning materials or means to accelerate the defrosting process other 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 doe...

Page 47: ...al liquid piping length is Then 10 m Do NOT add additional refrigerant 10 m R total length m of liquid piping 10 m 0 020 R Additional charge kg rounded in units of 0 01 kg INFORMATION Piping length is the one way length of liquid piping 8 5 To determine the complete recharge amount INFORMATION If a complete recharge is necessary the total refrigerant charge is the factory refrigerant charge see un...

Page 48: ...2 2 kg tCO2 eq GWP kg 1000 kg kg GWP XXX RXXX a f c d e a If a multilingual fluorinated greenhouse gases label is delivered with the unit see accessories peel off the applicable language and stick it on top of a b Factory refrigerant charge see unit name plate c Additional refrigerant amount charged d Total refrigerant charge e Quantity of fluorinated greenhouse gases of the total refrigerant char...

Page 49: ...cked The water piping is connected Typical workflow Connecting the electrical wiring typically consists of the following 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 9 1 1 Precautions when connecting...

Page 50: ...system They can cause overheating electrical shock or fire Do NOT install a phase advancing capacitor because 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 contact point gaps that provide full disconnection under overvoltage category III WARNING If ...

Page 51: ...80 reversing solenoid valve lead wire c S20 electronic expansion valve lead wire d S40 thermal overload relay lead wire e S90 thermistor lead wire f LED g S70 fan motor lead wire 9 1 2 Guidelines when connecting the electrical wiring Keep the following in mind If stranded conductor wires are used install a round crimp style terminal on the end of the wire Place the round crimp style terminal on th...

Page 52: ...age 220 240 V Phase 1 Frequency 50 Hz Wire sizes 3 core cable 2 5 mm2 4 0 mm2 H05RN F 60245 IEC 57 Interconnection cable indoor outdoor 4 core cable 1 5 mm2 2 5 mm2 and applicable for 220 240 V H05RN F 60245 IEC 57 Recommended circuit breaker 20 A a Earth leakage circuit breaker MUST comply with applicable legislation a Electrical equipment complying with EN IEC 61000 3 12 European International T...

Page 53: ...gth may cause electrical shock or leakage 4 Open the wire clamp 5 Connect the interconnection cable and power supply as follows 50 Hz 220 240 V c d f a b e a Interconnection cable b Power supply cable c Circuit breaker d Residual current device e Power supply f Earth 1 2 3 3 6 Tighten the terminal screws securely We recommend using a Phillips screwdriver 7 Install the service cover 8 Install the s...

Page 54: ...efrigerant piping between indoor and outdoor unit is installed in a ducting or the refrigerant piping is wrapped with finishing tape 1 Insulate and fix the refrigerant piping and cables as follows g b a f e c d a Gas pipe b Gas pipe insulation c Interconnection cable d Field wiring if applicable e Liquid pipe f Liquid pipe insulation g Finishing tape 2 Install the service cover 10 2 To close the o...

Page 55: ...o cut jumper J6 1 Remove the top plate of the outdoor unit 2 Remove the front plate 3 Remove the drip proof cover 4 Cut jumper J6 on the outdoor unit PCB J6 J4 J9 J5 J7 J8 J12 b c d a a Front plate b Top plate c Drip proof cover d Jumpers INFORMATION The indoor unit may produce Intermittent noise due to the outdoor unit fan turning ON and or OFF Do NOT place humidifiers or other items which might ...

Page 56: ...scribed above WARNING Before connecting or disconnecting the connector make sure the power supply is turned OFF INFORMATION Selective connector for standby electricity saving is required if other than applicable indoor unit is connected 11 2 2 To turn on standby electricity saving function Prerequisite The main power supply MUST be turned off 1 Remove the service cover 2 Disconnect the selective s...

Page 57: ...ove the fan guard When the fan is rotating at high speed it will cause injury 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 During test operation the outdoor unit and the indoor units will start up Make sure that the preparations of all indoor units are finished field piping electrical wiring air pu...

Page 58: ...s or locally installed protection devices are installed according to this document and have NOT been bypassed 12 3 Checklist during commissioning To perform an air purge To perform a test run 12 4 To perform a test run Prerequisite Power supply MUST be in the specified range Prerequisite Test run may be performed in cooling or heating mode Prerequisite Test run should be performed in accordance wi...

Page 59: ...ioning Installer reference guide 59 RXF50 71D5V1B R32 split series 4P519439 15Q 2021 10 12 5 Starting up the outdoor unit See the indoor unit installation manual for configuration and commissioning of the system ...

Page 60: ...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 unit Explain the user about energy saving tips...

Page 61: ...nance safety precautions The yearly maintenance of the outdoor unit 14 2 Maintenance safety precautions DANGER RISK OF ELECTROCUTION DANGER RISK OF BURNING SCALDING NOTICE Risk of electrostatic discharge Before performing any maintenance or service work touch a metal part of the unit in order to eliminate static electricity and to protect the PCB WARNING Before carrying out any maintenance or repa...

Page 62: ...rmance 14 4 About the compressor When servicing the compressor keep in mind following precautions DANGER RISK OF ELECTROCUTION Use this compressor on a grounded system only Turn the power off before servicing the compressor Reattach the switch box cover and service lid after servicing CAUTION Always wear safety goggles and protective gloves DANGER RISK OF EXPLOSION Use a pipe cutter to remove the ...

Page 63: ... circuit breaker When a safety device was activated stop the unit and find out why the safety device was activated before resetting it NEVER shunt safety devices or change their values to a value other than the factory default setting If you are unable to find the cause of the problem call your dealer DANGER RISK OF ELECTROCUTION WARNING Prevent hazards due to inadvertent resetting of the thermal ...

Page 64: ... NOT earthed correctly Check and correct the connection of the earth wiring 15 3 5 Symptom Unit does NOT function or burn damage Possible causes Corrective action The wiring was NOT performed in accordance with the specifications Correct the wiring 15 4 Fault diagnosis using LED on outdoor unit PCB LED is Diagnosis flashing Normal Check the indoor unit ON Turn the power OFF and back ON and check t...

Page 65: ...unction with which you can collect all refrigerant from the system into the outdoor unit Possible consequence Self combustion and 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 NOTICE During pump down operation stop the compressor before removing the refrigerant piping If the compr...

Page 66: ...F switch for at least 5 seconds Result Operation will start INFORMATION Forced cooling stops automatically after 15 minutes 2 To stop operation sooner press the ON OFF switch 16 3 2 To start and stop forced cooling using the indoor unit user interface 1 Set the operation mode to cooling Refer to To perform a test run in the installation manual of the indoor unit Note Forced cooling will stop autom...

Page 67: ...pplied parts and numbering refer to the wiring diagram on 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 Indo...

Page 68: ...V L Pilot lamp light emitting diode 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 PA...

Page 69: ...high S NPL Pressure 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...

Page 70: ... 4 CuT 6 4 CuT 6 4 CuT 6 4 CuT 4 0 CuT 4 0 CuT 9 5 CuT 12 7 CuT 12 7 CuT RXF50D b a c d f h g j1 j3 j2 k m m m m m n o e l i i M a Liquid field piping j3 Discharge pipe thermistor b Gas field piping k Heat exchanger c Liquid stop valve l 4 way valve ON heating d Gas stop valve m Muffler e Liquid receiver n Compressor f Filter o Accumulator g Electronic expansion valve HPS High pressure switch auto...

Page 71: ...uT RXF60D RXF71D b a c d f h g j1 j3 j2 k m m m m m n M o e l i i i a Liquid field piping j3 Discharge pipe thermistor b Gas field piping k Heat exchanger c Liquid stop valve l 4 way valve ON heating d Gas stop valve m Muffler e Liquid receiver n Compressor f Filter o Accumulator g Electronic expansion valve HPS High pressure switch automatic reset h Muffler with filter M Propeller fan i Capillary...

Page 72: ...ication 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 Instruction manual specified for a certain product or application which explains if relevant how to install configure operate and or maintain the product or application Accessories Labels manuals informa...

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Page 76: ...TANBUL TÜRKİYE Tel 0216 453 27 00 Faks 0216 671 06 00 Çağrı Merkezi 444 999 0 Web www daikin com tr Gülsuyu Mahallesi Fevzi Çakmak Caddesi Burçak Sokak No 20 34848 Maltepe 4P519439 15Q 2021 10 Copyright 2021 Daikin Verantwortung für Energie und Umwelt ...

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