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RXP50N5V1B
RXP60N5V1B
RXP71N5V1B
Installer reference guide
R32 split series

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Summary of Contents for Daikin RXP50N5V1B

  • Page 1 Installer reference guide R32 split series RXP50N5V1B RXP60N5V1B RXP71N5V1B...
  • Page 2: Table Of Contents

    Table of contents Table of contents 1 About the documentation About this document ..............................1.1.1 Meaning of warnings and symbols ........................ 2 General safety precautions For the installer ................................2.1.1 General ................................2.1.2 Installation site ............................... 2.1.3 Refrigerant — in case of R410A or R32......................11 2.1.4 Electrical .................................
  • Page 3 Table of contents 9 Electrical installation About connecting the electrical wiring .......................... 47 9.1.1 Precautions when connecting the electrical wiring..................47 9.1.2 Guidelines when connecting the electrical wiring..................49 9.1.3 Specifications of standard wiring components....................50 To connect the electrical wiring to the outdoor unit..................... 51 10 Finishing the outdoor unit installation 10.1 To finish the outdoor unit installation..........................
  • Page 4: About The Documentation

    WARNING Make sure installation, servicing, maintenance, repair and applied materials follow the instructions from Daikin and, in addition, comply with applicable legislation and are performed by qualified persons only. In Europe and areas where IEC standards apply, EN/IEC 60335-2-40 is the applicable standard.
  • Page 5: Meaning Of Warnings And Symbols

    About the documentation Technical engineering data ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of latest technical data is available on the Daikin Business Portal (authentication required).
  • Page 6 About the documentation Symbol Explanation The unit contains rotating parts. Be careful when servicing or inspecting the unit. Symbols used in the documentation: Symbol Explanation Indicates a figure title or a reference to it. Example: " 1–3 Figure title" means "Figure 3 in chapter 1". Indicates a table title or a reference to it.
  • Page 7: General Safety Precautions

    Improper installation or attachment of equipment or accessories could result in electrical shock, short-circuit, leaks, fire or other damage to the equipment. ONLY use accessories, optional equipment and spare parts made or approved by Daikin. WARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation).
  • Page 8: Installation Site

    WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. RXF50~71D5V1B Installer reference guide R32 split series 4P519439-18T –...
  • Page 9 General safety precautions WARNING If one or more rooms are connected to the unit using a duct system, make sure: ▪ there are no operating ignition sources (example: open flames, an operating gas appliance or an operating electric heater) in case the floor area is less than the minimum floor area A (m²).
  • Page 10 General safety precautions Contains fluorinated greenhouse gases GWP: xxx GWP × kg 1000 2 Determine which graph or table to use. ▪ For indoor units: Is the unit ceiling-mounted, wall-mounted or floor- standing? ▪ For outdoor units installed or stored indoors, this depends on the installation height: If the installation height is…...
  • Page 11: Refrigerant - In Case Of R410A Or R32

    General safety precautions 2.1.3 Refrigerant — in case of R410A or R32 If applicable. See the installation manual or installer reference guide of your application for more information. 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: ▪...
  • Page 12: Electrical

    General safety precautions NOTICE After all the piping has been connected, make sure there is no gas leak. Use nitrogen to perform a gas leak detection. ▪ In case recharge is required, see the nameplate of the unit. It states the type of refrigerant and necessary amount.
  • Page 13 General safety precautions WARNING ▪ ONLY use copper wires. ▪ Make sure the field wiring complies with the applicable legislation. ▪ All field wiring MUST be performed in accordance with the 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.
  • Page 14 General safety precautions Install power cables at least 1  meter away from televisions or radios to prevent interference. Depending on the radio waves, a distance of 1  meter may NOT be sufficient. NOTICE ONLY applicable if the power supply is three‑phase, and the compressor has an ON/ OFF starting method.
  • Page 15: Specific Installer Safety Instructions

    Specific installer safety instructions 3 Specific installer safety instructions Always observe the following safety instructions and regulations. To handle the outdoor unit (see "4.2.2 To handle the outdoor unit" [  22]) CAUTION To avoid injury, do NOT touch the air inlet or aluminium fins of the unit. CAUTION ONLY handle the outdoor unit as follows: "6 Unit...
  • Page 16 Specific installer safety instructions DANGER: RISK OF ELECTROCUTION Connecting the refrigerant piping (see "7.2 Connecting the refrigerant piping" [  34]) CAUTION Piping and joints of a split system shall be made with permanent joints when inside an occupied space except joints directly connecting the piping to the indoor units. CAUTION ▪...
  • Page 17 Specific installer safety instructions WARNING ▪ Only use R32 as refrigerant. Other substances may cause explosions and accidents. ▪ R32 contains fluorinated greenhouse gases. Its global warming potential (GWP) value is 675. Do NOT vent these gases into the atmosphere. ▪...
  • Page 18 Specific installer safety instructions 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.
  • Page 19 Specific installer safety instructions DANGER: RISK OF BURNING/SCALDING WARNING ▪ Before carrying out any maintenance or repair activity, ALWAYS switch off the circuit breaker on the supply panel, remove the fuses or open the protection devices of the unit. ▪ Do NOT touch live parts for 10 minutes after the power supply is turned off because of high voltage risk.
  • Page 20 Specific installer safety instructions 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 and OFF by the utility. DANGER: RISK OF ELECTROCUTION ▪...
  • Page 21: About The Box

    About the box 4 About the box Keep the following in mind: ▪ At delivery, the unit MUST be checked for damage and completeness. Any damage or missing parts MUST be reported immediately to the claims agent of the carrier. ▪...
  • Page 22: Outdoor Unit

    About the box 4.2 Outdoor unit 4.2.1 To unpack the outdoor unit 4.2.2 To handle the outdoor unit CAUTION To avoid injury, do NOT touch the air inlet or aluminium fins of the unit. CAUTION ONLY handle the outdoor unit as follows: RXF50~71D5V1B Installer reference guide R32 split series...
  • Page 23: To Remove The Accessories From The Outdoor Unit

    About the box NOTICE ▪ Place the unit on a flat surface. ▪ Make sure the aluminium fins on the unit are straight before installation. If not, straighten them with a fin comb (field supply). 4.2.3 To remove the accessories from the outdoor unit 1 Lift the outdoor unit.
  • Page 24: About The Unit

    About the unit 5 About the unit WARNING: MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable. 5.1 Identification NOTICE When installing or servicing several units at the same time, make sure NOT to switch the service panels between different models. 5.1.1 Identification label: Outdoor unit Location RXF50~71D5V1B...
  • Page 25: Unit Installation

    Unit installation 6 Unit installation WARNING Installation shall be done by an installer, the choice of materials and installation shall comply with the applicable legislation. In Europe, EN378 is the applicable standard. In this chapter Preparing the installation site ..............................6.1.1 Installation site requirements of the outdoor unit ....................
  • Page 26: Installation Site Requirements Of The Outdoor Unit

    Unit installation 6.1.1 Installation site requirements of the outdoor unit INFORMATION Also read the following requirements: ▪ "2 General safety precautions" [  7]. ▪ "7.1.3 Refrigerant piping length and height difference" [  34]. Mind the following spacing guidelines: >100 >350 >350 >50 >100 >100 >50 >100 >350...
  • Page 27 Unit installation a Baffle plate b Prevailing wind direction c Air outlet Do NOT install the unit in the following places: ▪ Sound sensitive areas (e.g. near a bedroom), so that the operation noise will cause no trouble. Note: If the sound is measured under actual installation conditions, the measured value might be higher than the sound pressure level mentioned in Sound spectrum in the data book due to environmental noise and sound reflections.
  • Page 28: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates

    Unit installation a Sea wind b Building c Outdoor unit d Windbreaker The outdoor unit is designed for outdoor installation only and for ambient temperatures specified in the table below (unless otherwise specified in the operation manual of the connected indoor unit). Cooling Heating –10~48°C DB...
  • Page 29: Opening And Closing The Unit

    Unit installation 6.2 Opening and closing the unit 6.2.1 About opening the units At certain times, you have to open the unit. Example: ▪ When connecting the refrigerant piping ▪ When connecting the electrical wiring ▪ When maintaining or servicing the unit DANGER: RISK OF ELECTROCUTION Do NOT leave the unit unattended when the service cover is removed.
  • Page 30: Precautions When Mounting The Outdoor Unit

    Unit installation 6.3.2 Precautions when mounting the outdoor unit INFORMATION Also read the precautions and requirements in the following chapters: ▪ "2 General safety precautions" [  7] ▪ "6.1 Preparing the installation site" [  25] 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.
  • Page 31: To Install The Outdoor Unit

    Unit installation 6.3.4 To install the outdoor unit 4× M8/M10 6.3.5 To provide drainage ▪ Make sure that condensation water can be evacuated properly. ▪ Install the unit on a base to make sure that there is proper drainage in order to avoid ice accumulation.
  • Page 32: To Prevent The Outdoor Unit From Falling Over

    Unit installation a Drain port b Bottom frame c Drain plug d Hose (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.
  • Page 33: Piping Installation

    Piping installation 7 Piping installation In this chapter Preparing refrigerant piping ..............................7.1.1 Refrigerant piping requirements ........................... 7.1.2 Refrigerant piping insulation..........................7.1.3 Refrigerant piping length and height difference ....................Connecting the refrigerant piping............................7.2.1 About connecting the refrigerant piping....................... 7.2.2 Precautions when connecting the refrigerant piping....................
  • Page 34: Refrigerant Piping Insulation

    Piping installation Outer diameter (Ø) Temper grade Thickness (t) Ø 6.4 mm (1/4") Annealed (O) ≥0.8 mm 12.7 mm (1/2") Depending on the applicable legislation and the maximum working pressure of the unit (see "PS High" on the unit name plate), larger piping thickness might be required. 7.1.2 Refrigerant piping insulation ▪...
  • Page 35: About Connecting The Refrigerant Piping

    Piping installation 7.2.1 About connecting the refrigerant piping Before connecting the refrigerant piping Make sure the outdoor and indoor unit are mounted. Typical workflow Connecting the refrigerant piping involves: ▪ Connecting the refrigerant piping to the indoor unit ▪ Connecting the refrigerant piping to the outdoor unit ▪...
  • Page 36: Guidelines When Connecting The Refrigerant Piping

    Piping installation 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 adding refrigerant. ▪ 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.
  • Page 37: Pipe Bending Guidelines

    Piping installation a Torque wrench b Spanner c Piping union d Flare nut Piping size (mm) Tightening torque Flare dimensions Flare shape (mm) (N•m) (A) (mm) 90° ±2 Ø6.4 15~17 8.7~9.1 ØA Ø12.7 50~60 16.2~16.6 0.4~0.8 7.2.4 Pipe bending guidelines Use a pipe bender for bending.
  • Page 38: Using The Stop Valve And Service Port

    Piping installation a Flare’s inner surface MUST be flawless. b The pipe end MUST be evenly flared in a perfect circle. c Make sure the flare nut is fitted. 7.2.6 Using the stop valve and service port CAUTION Do NOT open the valves before flaring is complete. This would cause refrigerant gas leakage.
  • Page 39: To Connect The Refrigerant Piping To The Outdoor Unit

    Piping installation 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 valve stem: 3 Insert a hexagon wrench (liquid side: 4  mm, gas side: 4  mm) into the valve stem and turn the valve stem: Counterclockwise to open Clockwise to close...
  • Page 40: Checking The Refrigerant Piping

    Piping installation 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 of the outdoor unit. NOTICE It is recommended that the refrigerant piping between indoor and outdoor unit is installed in a ducting or the refrigerant piping is wrapped with finishing tape.
  • Page 41: To Check For Leaks

    Piping installation 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 the service port of the gas stop valve. ▪ Make sure that the gas stop valve and liquid stop valve are firmly closed before performing the leak test or vacuum drying.
  • Page 42 Piping installation b Gauge 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).
  • Page 43: Charging Refrigerant

    Charging refrigerant 8 Charging refrigerant In this chapter About charging refrigerant..............................About the refrigerant ................................Precautions when charging refrigerant ..........................To determine the additional refrigerant amount ........................To determine the complete recharge amount ........................To charge additional refrigerant ............................To fix the fluorinated greenhouse gases label ........................8.1 About charging refrigerant The outdoor unit is factory charged with refrigerant, but in some cases the following might be necessary:...
  • Page 44: About The Refrigerant

    Charging refrigerant Typical workflow – Completely recharging refrigerant typically consists of the following stages: 1 Determining how much refrigerant to charge. 2 Charging refrigerant. 3 Filling in the fluorinated greenhouse gases label, and fixing it to the inside of the outdoor unit. 8.2 About the refrigerant This product contains fluorinated greenhouse gases.
  • Page 45: To Determine The Additional Refrigerant Amount

    Charging refrigerant 8.4 To determine the additional refrigerant amount If the total liquid piping Then… length is… ≤10 m Do NOT add additional refrigerant. >10 m R=(total length (m) of liquid piping⁠ – ⁠ 1 0 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.
  • Page 46 Charging refrigerant Contains fluorinated greenhouse gases RXXX GWP: XXX GWP × kg 1000 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...
  • Page 47: Electrical Installation

    Electrical installation 9 Electrical installation In this chapter About connecting the electrical wiring ..........................9.1.1 Precautions when connecting the electrical wiring ....................9.1.2 Guidelines when connecting the electrical wiring ....................9.1.3 Specifications of standard wiring components ..................... To connect the electrical wiring to the outdoor unit ......................9.1 About connecting the electrical wiring Before connecting the electrical wiring Make sure:...
  • Page 48 Electrical installation DC P1+ DC N1- a Multimeter (DC voltage range) b S80 – 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 –...
  • Page 49: Guidelines When Connecting The Electrical Wiring

    Electrical installation 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. ▪...
  • Page 50: Specifications Of Standard Wiring Components

    Electrical installation Wire type Installation method Single-core wire AA´ A´ a Curled single-core wire b Screw c Flat washer Stranded conductor wire with round crimp-style terminal a Terminal b Screw c Flat washer Allowed NOT allowed Tightening torques Item Tightening torque (N•m) M4 (X1M) 1.2~1.3 M4 (earth)
  • Page 51: To Connect The Electrical Wiring To The Outdoor Unit

    Electrical installation Component Earth leakage circuit breaker MUST comply with applicable legislation Electrical equipment complying with EN/IEC 61000-3-12 (European/International Technical Standard setting the limits for harmonic currents produced by equipment connected to public low-voltage systems with input current >16 A and ≤75 A per phase). 9.2 To connect the electrical wiring to the outdoor unit 1 Remove the service cover.
  • Page 52 Electrical installation 3× 1 2 3 6 Tighten the terminal screws securely. We recommend using a Phillips screwdriver. 7 Install the service cover. 8 Install the switch box cover. RXF50~71D5V1B Installer reference guide R32 split series 4P519439-18T – 2022.06...
  • Page 53: Finishing The Outdoor Unit Installation

    Finishing the outdoor unit installation 10 Finishing the outdoor unit installation 10.1 To finish the outdoor unit installation DANGER: RISK OF ELECTROCUTION ▪ Make sure that the system is earthed properly. ▪ Turn OFF the power supply before servicing. ▪ Install the switch box cover before turning ON the power supply.
  • Page 54: Commissioning

    11 Commissioning NOTICE General commissioning checklist. Next to the commissioning instructions in this chapter, a general commissioning checklist is also available on the Daikin Business Portal (authentication required). The general commissioning checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during commissioning and hand-over to the user.
  • Page 55: Checklist During Commissioning

    Commissioning 3 Power up the unit. The indoor unit is properly mounted. The outdoor unit is properly mounted. The system is properly earthed and the earth terminals are tightened. The power supply voltage matches the voltage on the identification label of the unit. There are NO loose connections or damaged electrical components in the switch box.
  • Page 56: Starting Up The Outdoor Unit

    Commissioning INFORMATION ▪ Even if the unit is turned OFF, it consumes electricity. ▪ When the power turns back on after a power break, the previously selected mode will be resumed. 11.5 Starting up the outdoor unit See the indoor unit installation manual for configuration and commissioning of the system.
  • Page 57: Hand-Over To The User

    Hand-over to the user 12 Hand-over to the user Once the test run is finished and the unit operates properly, 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.
  • Page 58: Maintenance And Service

    General maintenance/inspection checklist. Next to the maintenance instructions in this chapter, a general maintenance/inspection checklist is also available on the Daikin Business Portal (authentication required). The general maintenance/inspection checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during maintenance.
  • Page 59: Checklist For Yearly Maintenance Of The Outdoor Unit

    Maintenance and service WARNING ▪ Before carrying out any maintenance or repair activity, ALWAYS switch off the circuit breaker on the supply panel, remove the fuses or open the protection devices of the unit. ▪ Do NOT touch live parts for 10 minutes after the power supply is turned off because of high voltage risk.
  • Page 60: Troubleshooting

    Troubleshooting 14 Troubleshooting 14.1 Overview: Troubleshooting This chapter describes what you have to do in case of problems. It contains information about solving problems based on symptoms. Before troubleshooting Carry out a thorough visual inspection of the unit and look for obvious defects such as loose connections or defective wiring.
  • Page 61: Symptom: The Unit Is Not Heating Or Cooling As Expected

    Troubleshooting 14.3.2 Symptom: The unit is NOT heating or cooling as expected Possible causes Corrective action Wrong connection of the electrical Connect the electrical wires correctly. wires Gas leakage Check for gas leakage. 14.3.3 Symptom: Water leakage Possible causes Corrective action Incomplete thermal insulation (gas and Make sure the thermal insulation of the liquid piping, indoor portions of the...
  • Page 62: Disposal

    Disposal 15 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. 15.1 Overview: Disposal Typical workflow Disposing of the system typically consists of the following stages:...
  • Page 63: To Start And Stop Forced Cooling

    Disposal a Gas stop valve b Closing direction c Hexagonal wrench d Valve cap e Liquid stop valve 15.3 To start and stop forced cooling There are 2 methods to perform forced cooling. ▪ Method 1. Using the indoor unit ON/OFF switch (if present on the indoor unit). ▪...
  • Page 64: Technical Data

    Technical data 16 Technical data ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of latest technical data is available on the Daikin Business Portal (authentication required). 16.1 Wiring diagram The wiring diagram is delivered with the unit, located inside of the outdoor unit (bottom side of the top plate).
  • Page 65 Technical data Symbol Meaning BZ, H*O Buzzer Capacitor AC*, CN*, E*, HA*, HE*, HL*, HN*, HR*, Connection, connector MR*_A, MR*_B, S*, U, V, W, X*A, K*R_*, NE D*, V*D Diode Diode bridge DIP switch Heater FU*, F*U, (for characteristics, refer to Fuse PCB inside your unit) Connector (frame ground)
  • Page 66 Technical data Symbol Meaning Q*DI, KLM Earth leak circuit breaker Overload protector Thermo switch Residual current device Resistor Thermistor Receiver Limit switch Float switch S*NG Refrigerant leak detector S*NPH Pressure sensor (high) S*NPL Pressure sensor (low) S*PH, HPS* Pressure switch (high) S*PL Pressure switch (low) Thermostat...
  • Page 67: Piping Diagram

    Technical data 16.2 Piping diagram 16.2.1 Piping diagram: Outdoor unit PED categories of equipment: ▪ High pressure switch: category IV, ▪ Compressor: category II; ▪ Other equipment: art. 4§3. RXP50N 7.0 CuT 4.0 CuT 7.0 CuT 6.4 CuT 6.4 CuT 7.0 CuT 7.0 CuT 4.0 CuT...
  • Page 68 Technical data RXP60N, RXP71N 7.0 CuT 7.0 CuT 4.0 CuT 7.0 CuT 7.0 CuT 6.4 CuT 6.4 CuT 4.0 CuT 7.0 CuT 7.0 CuT 4.0 CuT 12.7 CuT 12.7 CuT 12.7 CuT 6.4 CuT 6.4 CuT 9.5 CuT 12.7 CuT 12.7 CuT a Liquid field piping j3 Discharge pipe thermistor...
  • Page 69: Glossary

    Optional equipment Equipment made or approved by Daikin that can be combined with the product according to the instructions in the accompanying documentation. Field supply Equipment NOT made by Daikin that can be combined with the product according to the instructions in the accompanying documentation.
  • Page 72 DAIKIN ISITMA VE SOĞUTMA SİSTEMLERİ SAN.TİC. A.Ş. Gülsuyu Mahallesi, Fevzi Çakmak Caddesi, Burçak Sokak, No:20, 34848 Maltepe İSTANBUL / TÜRKİYE Tel: 0216 453 27 00 Faks: 0216 671 06 00 Çağrı Merkezi: 444 999 0 Web: www.daikin.com.tr 4P519439-18T 2022.06 Verantwortung für Energie und Umwelt...

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