Daikin 3AMXM52N2V1B9 Installer's Reference Manual
  1. Manuals
  2. Brands
  3. Daikin Manuals
  4. Air Conditioner
  5. 3AMXM52N2V1B9
  6. Installer's reference manual

Daikin 3AMXM52N2V1B9 Installer's Reference Manual

R32 split series
Hide thumbs Also See for 3AMXM52N2V1B9:
Table of Contents

Quick Links

3AMXM52N2V1B9
3AMXF52A2V1B9
3MXF52A2V1B9
3MXF68A2V1B9
Installer reference guide
R32 Split series
Table of Contents
loading

Related Manuals for Daikin 3AMXM52N2V1B9

Summary of Contents for Daikin 3AMXM52N2V1B9

  • Page 1 Installer reference guide R32 Split series 3AMXM52N2V1B9 3AMXF52A2V1B9 3MXF52A2V1B9 3MXF68A2V1B9...

  • 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 .......................... 48 9.1.1 Precautions when connecting the electrical wiring..................48 9.1.2 Guidelines when connecting the electrical wiring..................50 9.1.3 Specifications of standard wiring components....................51 To connect the electrical wiring to the outdoor unit..................... 52 10 Finishing the outdoor unit installation 10.1 To finish the outdoor unit installation..........................

  • Page 4: About The Documentation

    The original documentation is written in English. All other languages are translations. 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 5: Meaning Of Warnings And Symbols

    About the documentation 1.1.1 Meaning 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 BURNING/SCALDING Indicates a situation that could result in burning/scalding because of extreme hot or cold temperatures.
  • Page 6 About the documentation Symbol Explanation Indicates a table title or a reference to it. Example: " 1–3 Table title" means "Table 3 in chapter 1". 3AMXF-A9, 3AMXF-A9, 3AMXM-N9 Installer reference guide R32 Split series 4P600463-1F – 2022.05...

  • 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. CAUTION Do NOT use potential sources of ignition in searching for or detection of refrigerant leaks.
  • Page 9 General safety precautions NOTICE ▪ Take precautions to avoid excessive vibration or pulsation to refrigeration piping. ▪ Protect the protection devices, piping and fittings as much as possible against adverse environmental effects. ▪ Provide space for expansion and contraction of long runs of piping. ▪...
  • 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 "4.1.2 To handle the outdoor unit" [  21]) CAUTION To avoid injury, do NOT touch the air inlet or aluminium fins of the unit. CAUTION ONLY handle the outdoor unit as follows: Unit installation (see...
  • Page 16 Specific installer safety instructions DANGER: RISK OF BURNING/SCALDING DANGER: RISK OF ELECTROCUTION Piping installation (see "7 Piping installation" [  32]) 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 "8 Charging refrigerant" [  44]) Charging refrigerant (see 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 result in fire, or the formation of a harmful gas.
  • Page 18 Specific installer safety instructions WARNING Use an all-pole disconnection type breaker with at least 3 mm between the contact point gaps that provides 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.
  • Page 19 Specific installer safety instructions CAUTION Do NOT insert fingers, rods or other objects into the air inlet or outlet. Do NOT remove the fan guard. When the fan is rotating at high speed, it will cause injury. Maintenance and service (see "14 Maintenance and service" [  64])
  • 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: To Remove The Accessories From The Outdoor Unit

    About the box CAUTION ONLY handle the outdoor unit as follows: 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). 4.1.3 To remove the accessories from the outdoor unit 1 Lift the outdoor unit.

  • Page 23: About The Unit

    WARNING: MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable. INFORMATION For the operation limits see the latest technical data of the outdoor unit on the regional Daikin website (publicly accessible). 5.1 Identification 5.1.1 Identification label: Outdoor unit Location...

  • Page 24: 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 25: Installation Site Requirements Of The Outdoor Unit

    Unit installation WARNING The appliance shall be stored so as to prevent mechanical damage and in a well- ventilated room without continuously operating ignition sources (e.g. open flames, an operating gas appliance, or an operating electric heater). The room size shall be as specified in the General safety precaution.
  • Page 26 Unit installation ▪ disruption of operation due to decrease of low pressure or increase of high pressure; ▪ a broken fan (if a strong wind blows continuously on the fan, it may start rotating very fast, until it breaks). It is recommended to install a baffle plate when the air outlet is exposed to wind. It is recommended to install the outdoor unit with the air inlet facing the wall and NOT directly exposed to the wind.

  • Page 27: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates

    Unit installation If the outdoor unit is exposed to direct sea winds, install a windbreaker. ▪ Height of windbreaker≥1.5×height of outdoor unit ▪ Mind the service space requirements when installing the windbreaker. a Sea wind b Building c Outdoor unit d Windbreaker The outdoor unit is designed for outdoor installation only, and for ambient temperatures within the following ranges (unless otherwise specified in the...

  • Page 28: Opening The Unit

    Unit installation 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.

  • Page 29: Precautions When Mounting The Outdoor Unit

    Unit installation Typical workflow Mounting the outdoor unit typically consists of the following stages: Providing the installation structure. Installing the outdoor unit. Providing drainage. Protecting the unit against snow and wind by installing a snow cover and baffle plates. See "6.1 Preparing the installation site" [  24].

  • Page 30: 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 31: To Prevent The Outdoor Unit From Falling Over

    Unit installation To close the drain holes and attach the drain socket 1 Install drain caps (accessory f) and (accessory g). Make sure the edges of the drain caps close off the holes completely. 2 Install the drain socket. a Drain hole. Install a drain cap (large). b Drain hole.

  • Page 32: 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 33: Refrigerant Piping Insulation

    Piping installation Refrigerant piping material ▪ Piping material: phosphoric acid deoxidised seamless copper ▪ Flare connections: Only use annealed material. ▪ Piping temper grade and thickness: Outer diameter (Ø) Temper grade Thickness (t) Ø 6.4 mm (1/4") Annealed (O) ≥0.8 mm 9.5 mm (3/8") 12.7 mm (1/2") Depending on the applicable legislation and the maximum working pressure of the unit (see "PS High"...

  • Page 34: Connecting The Refrigerant Piping

    Piping installation Height difference Height difference indoor- outdoor-indoor indoor Outdoor unit installed ≤15 m ≤7.5 m higher than indoor unit Outdoor unit installed ≤7.5 m ≤15 m lower than at least 1 indoor unit 7.2 Connecting the refrigerant piping CAUTION ▪ No brazing or welding on site for units with R32 refrigerant charge during shipment.
  • Page 35 Piping installation DANGER: RISK OF BURNING/SCALDING 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.

  • Page 36: Guidelines When Connecting The Refrigerant Piping

    Piping installation WARNING Connect the refrigerant piping securely before running the compressor. If the refrigerant piping is NOT connected and the stop valve is open when the compressor is run, air will be sucked in. This will cause abnormal pressure in the refrigeration cycle, which may result in equipment damage and even injury.

  • Page 37: Connections Between Outdoor And Indoor Unit Using Reducers

    Piping installation 1 Cut the pipe end with a pipe cutter. 2 Remove burrs with the cut surface facing down so that the chips do NOT enter the pipe. a Cut exactly at right angles. b Remove burrs. 3 Remove the flare nut from the stop valve and put the flare nut on the pipe. 4 Flare the pipe.
  • Page 38 Piping installation Port Class Reducer B + C (Ø12.7mm) 20, 25, 35 Only in case of connection with FTXM42R. Reducer type Connection Ø15.9 mm → Ø12.7 mm Ø12.7 mm → Ø9.5 mm Ø15.9 mm → Ø12.7 mm Ø12.7 mm → Ø9.5 mm Ø15.9 mm → Ø9.5 mm Ø15.9 mm → Ø9.5 mm Connection examples: ▪...

  • Page 39: Using The Stop Valve And Service Port

    Piping installation Flare nut for (mm) Tightening torque (N•m) Ø9.5 33~39 Ø12.7 50~60 Ø15.9 62~75 NOTICE Use an appropriate wrench to avoid damaging the connection thread by overtightening the flare nut. Be careful NOT to overtighten the nut, or the smaller pipe may be damaged (about 2/3-1×...

  • Page 40: To Connect The Refrigerant Piping To The Outdoor Unit

    Piping installation 2 Insert a hexagon wrench (liquid side: 4  mm, gas side: 6  mm) into the valve stem and turn the valve stem: Counterclockwise to open Clockwise to close 3 When the stop valve CANNOT be turned any further, stop turning. 4 Install the stop valve cover.

  • Page 41: Checking The Refrigerant Piping

    Piping installation 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. 7.3 Checking the refrigerant piping 7.3.1 About checking the refrigerant piping The outdoor unit's internal refrigerant piping has been factory tested for leaks.

  • Page 42: To Check For Leaks

    Piping installation 7.3.3 To check for leaks NOTICE Do NOT exceed the unit's maximum working pressure (see "PS High" on the unit name plate). NOTICE ALWAYS use a recommended bubble test solution from your wholesaler. NEVER use soap water: ▪ Soap water may cause cracking of components, such as flare nuts or stop valve caps.
  • Page 43 Piping installation If the pressure… Then… Increases There is moisture in the system. Go to the next step. 3 Vacuum the system for at least 2  hours to a manifold pressure of −0.1  MPa (−1 bar). 4 After turning the pump OFF, check the pressure for at least 1 hour. 5 If you do NOT reach the target vacuum or CANNOT maintain the vacuum for 1 hour, do the following: ▪...

  • Page 44: 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 45: 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 46: Precautions When Charging Refrigerant

    Charging refrigerant NOTICE Applicable legislation on fluorinated greenhouse gases requires that the refrigerant charge of the unit is indicated both in weight and CO equivalent. Formula to calculate the quantity in CO equivalent tonnes: GWP value of the refrigerant × total refrigerant charge [in kg] / 1000 Contact your installer for more information.

  • Page 47: To Charge Additional Refrigerant

    Charging refrigerant 8.6 To charge additional refrigerant 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 48: 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 the refrigerant piping is connected and checked.
  • Page 49 Electrical installation AL2 AL1 DC(-) a AL1, AL2 - solenoid valve lead wire connector* b S20~24 - electronic expansion valve coil lead wire connector (room A, B, C, D, E)* c S40 – thermal overload relay lead wire and high pressure switch connector* d Multimeter (DC voltage range) e S90~93 –...

  • Page 50: 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 51: 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) M4 (earth) ▪...

  • Page 52: To Connect The Electrical Wiring To The Outdoor Unit

    Electrical installation Component Residual current device MUST comply with applicable legislation Electrical equipment must comply with EN/IEC 61000-3-12, the 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.
  • Page 53 Electrical installation 1 2 3 2× 1 2 3 a Wire retainer 10 Reattach the switch box cover and the service cover. 3AMXF-A9, 3AMXF-A9, 3AMXM-N9 Installer reference guide R32 Split series 4P600463-1F – 2022.05...

  • Page 54: 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 55: Configuration

    Configuration 11 Configuration In this chapter 11.1 About standby electricity saving function..........................11.1.1 To turn ON standby electricity saving function ..................... 11.2 About priority room function ..............................11.2.1 To set the priority room function .......................... 11.3 About night quiet mode ................................. 11.3.1 To turn ON the night quiet mode ..........................

  • Page 56: About Priority Room Function

    Configuration 11.2 About priority room function INFORMATION ▪ The priority room function requires initial settings to be made during the installation of the unit. Ask the customer in which rooms he plans to use this function and make the necessary settings during installation. ▪...

  • Page 57: About Heat Mode Lock

    Configuration 1× 2 Set the night quiet mode switch (SW6-1) to ON. 11.4 About heat mode lock Heat mode lock limits the unit to heat operation. 11.4.1 To turn ON heat mode lock 1 Remove the switch cover on the service PCB. 2 Set the heat mode lock switch (SW5-1) to ON.
  • Page 58 Configuration 4× VHR-5N SVH-21T-1 3AMXF-A9, 3AMXF-A9, 3AMXM-N9 Installer reference guide R32 Split series 4P600463-1F – 2022.05...

  • Page 59: Commissioning

    12 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 60: Checklist Before Commissioning

    Commissioning 12.3 Checklist before commissioning 1 After the installation of the unit, check the items listed below. 2 Close the unit. 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.

  • Page 61: About Wiring Error Check

    Commissioning The piping and wiring work match. The stop valves (gas and liquid) on the outdoor unit are fully open. Initialization of the Multi system can take several minutes depending on the number of indoor units and options used. 12.5.1 About wiring error check The wiring error check function will check and automatically correct any wiring errors.

  • Page 62: To Perform A Test Run

    Commissioning Status of LEDs: ▪ All LEDs flash: automatic correction is NOT possible. ▪ LEDs flash alternately: automatic correction is completed. ▪ One or more LEDs are permanently on: abnormal stop (follow the diagnosis procedure on the back of the right side plate and refer to service manual). 12.5.2 To perform a test run Prerequisite: Power supply MUST be in the specified range.

  • Page 63: Hand-Over To The User

    Hand-over to the user 13 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 64: 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 65: 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 66: Troubleshooting

    Troubleshooting 15 Troubleshooting 15.1 Overview: Troubleshooting This chapter describes what you have to do in case of problems. It contains information about: ▪ solving problems based on symptoms ▪ solving problems based on LED behaviour Before troubleshooting Carry out a thorough visual inspection of the unit and look for obvious defects such as loose connections or defective wiring.

  • Page 67: Symptom: The Unit Is Not Heating Or Cooling As Expected

    Troubleshooting 15.3.2 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. Marks on the wiring and piping do NOT Marks on the wiring and piping (room A, match.

  • Page 68: Solving Problems Based On Led Behaviour

    Troubleshooting 15.4 Solving problems based on LED behaviour 15.4.1 Fault diagnosis using LED on outdoor unit PCB DANGER: RISK OF ELECTROCUTION ▪ When the unit is NOT operating, the LEDs on the PCB are turned OFF in order to save power. ▪...
  • Page 69 Troubleshooting Green LED-A Diagnosis Turn the power OFF and back ON, and check the LED within approximately 3 minutes. If the LED is ON again, the outdoor unit PCB is faulty. Power supply fault. Diagnosis may not apply to some cases. For more details, refer to the service manual. 3AMXF-A9, 3AMXF-A9, 3AMXM-N9 Installer reference guide R32 Split series...

  • Page 70: Disposal

    Disposal 16 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. 16.1 Overview: Disposal Typical workflow Disposing of the system typically consists of the following stages:...

  • Page 71: To Start And Stop Forced Cooling

    Disposal 3 After 5 to 10 minutes (after only 1 or 2 minutes in case of very low ambient temperatures (<−10°C)), close the liquid stop valve with a hexagonal wrench. 4 Check on the manifold if the vacuum is reached. 5 After 2-3 minutes, close the gas stop valve and stop forced cooling. a Gas stop valve b Closing direction c Hexagonal wrench...
  • Page 72 Disposal 8 Close switch box cover and service cover. 3AMXF-A9, 3AMXF-A9, 3AMXM-N9 Installer reference guide R32 Split series 4P600463-1F – 2022.05...

  • Page 73: Technical Data

    Technical data 17 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). 17.1 Wiring diagram 17.1.1 Unified wiring diagram legend...
  • Page 74 Technical data Symbol Meaning 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) Harness H*P, LED*, V*L...

  • Page 75: Piping Diagram

    Technical data Symbol Meaning 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 S*RH Humidity sensor S*W, SW* Operation switch SA*, F1S...
  • Page 76 Technical data ▪ Compressor: category II ▪ Accumulator: category I ▪ Other components: refer to PED article 4, paragraph 3 NOTICE When the high pressure switch is activated, it MUST be reset by a qualified person. 3AMXM52, 3AMXF52, 3MXF52 7.9CuT 7.9CuT 6.4CuT 7.9CuT...
  • Page 77 Technical data h Distributor r Electronic expansion valve Refrigerant flow: cooling i Muffler with filter s Thermistor (liquid) Refrigerant flow: heating j Solenoid valve t Filter 3AMXF-A9, 3AMXF-A9, 3AMXM-N9 Installer reference guide R32 Split series 4P600463-1F – 2022.05...

  • Page 78: 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 80 4P600463-1F 2022.05 Verantwortung für Energie und Umwelt...

This manual is also suitable for:

3amxf52a2v1b93mxf52a2v1b93mxf68a2v1b93mxf-a9Siesta 3amxm-n9

Table of Contents