Daikin R32 Split Series Installer's Reference Manual
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Daikin R32 Split Series Installer's Reference Manual

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RXF50B2V1B
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Installer reference guide
R32 split series
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RXP60M2V1B
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RXM42R2V1B
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RXJ50N2V1B
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Do you have a question about the R32 Split Series and is the answer not in the manual?

Questions and answers

sanjeev chawla
March 24, 2025

What is the nitrogen pressure recommended in dain r-32 split ac to find the leakges

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1 comments:
Mr. Anderson
March 24, 2025

The recommended nitrogen pressure for leak detection in Daikin R32 Split Series air conditioners is at least 200 kPa (2 bar). However, it is recommended to pressurize to 3000 kPa (30 bar) to detect small leaks.

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Summary of Contents for Daikin R32 Split Series

  • Page 1 Installer reference guide R32 split series RXF50B2V1B RXP50M2V1B ARXM50R2V1B RXJ50N2V1B RXF60B2V1B RXP60M2V1B ARXM60R2V1B RXF71A2V1B RXP71M2V1B ARXM71R2V1B RXA42B2V1B RXA50B2V1B ARXF50A2V1B RXM42R2V1B ARXF60A2V1B RXM50R2V1B ARXF71A2V1B RXM60R2V1B RXM71R2V1B...

  • Page 2: Table Of Contents

    About charging refrigerant ............................. 45 About the refrigerant..............................46 Precautions when charging refrigerant.......................... 47 To determine the additional refrigerant amount ......................47 Installer reference guide ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 3 Unified wiring diagram legend ........................68 17.2 Piping diagram ................................71 17.2.1 Piping diagram: Outdoor unit......................... 71 18 Glossary ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • 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: General Safety Precautions

    Indicates a situation that could result in equipment or property damage. INFORMATION Indicates useful tips or additional information. Symbols used on the unit: ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 6: For The Installer

    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 7: Installation Site

    Instructions for equipment using R32 refrigerant WARNING: MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 8 WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation (for example national gas regulation) and are executed only by authorised persons. WARNING If one or more rooms are connected to the unit using a duct system, make sure: ▪...
  • Page 9 1.8≤x<2.2 m Wall-mounted units ≥2.2 m Ceiling-mounted units 3 Use the graph or table to determine the minimum floor area. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 10 59.9 7.956 m Total refrigerant charge in the system Minimum floor area (a) Ceiling-mounted unit (= Ceiling-mounted unit) ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 11: Refrigerant - In Case Of R410A Or R32

    ▪ When the refrigerant system is to be opened, refrigerant MUST be treated according to the applicable legislation. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 12: Brine

    Take sufficient precautions in case of brine leakage. If brine leaks, ventilate the area immediately and contact your local dealer. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 13: Water

    MUST be installed in the fixed wiring. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 14 ▪ Make sure all covers are closed before starting up the unit. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 15 Running the product in reversed phase can break the compressor and other parts. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 16: Specific Installer Safety Instructions

    Site made joints directly connecting piping to indoor units shall be of non permanent type. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 17 675. Do NOT vent these gases into the atmosphere. ▪ When charging refrigerant, ALWAYS use protective gloves and safety glasses. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 18 Do NOT connect the power supply to the indoor unit. This could result in electrical shock or fire. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 19 Working on an indoor unit while performing a test operation is dangerous. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 20 Do NOT touch the compressor with bare hands. "15 Troubleshooting" [  64]) Troubleshooting (see DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING/SCALDING ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 21 ▪ Even when the LEDs are off, the terminal block and the PCB may be powered. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 22: About The Box

    At least 2 persons MUST handle the box with the unit. 4.2 Outdoor unit 4.2.1 To unpack the outdoor unit ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 23: To Remove The Accessories From The Outdoor Unit

    2 Remove the accessories at the bottom of the package. 1× 1× 1× 1× 1× 6× 3× 1× General safety precautions Outdoor unit installation manual ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 24 Drain plug (located on the bottom of the packing case) Drain cap (1) Drain cap (2) Energy label ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 25: About The Unit

    When installing or servicing several units at the same time, make sure NOT to switch the service panels between different models. 5.2.1 Identification label: Outdoor unit Location ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 26: Unit Installation

    Otherwise condensation on the unit or refrigerant pipes, air filter dirt or drain blockage may cause dripping, and objects under the unit may get dirty or damaged. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 27: Installation Site Requirements Of The Outdoor Unit

    It is recommended to install the outdoor unit with the air inlet facing the wall and NOT directly exposed to the wind. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 28 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. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 29: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates

    NOT affected by the snow. If necessary, install a snow cover or shed and a pedestal. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 30: Opening And Closing The Unit

    NOTICE When closing the outdoor unit cover, make sure that the tightening torque does NOT exceed 1.3 N•m. 3× ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 31: Mounting The Outdoor Unit

    Fix the unit securely by means of foundation bolts in accordance with the foundation drawing. Prepare 4 sets of M8 or M10 anchor bolts, nuts and washers (field supply). ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 32: To Install The Outdoor Unit

    (see the following figure). ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 33: To Prevent The Outdoor Unit From Falling Over

    1 Prepare 2 cables as indicated in the following illustration (field supply). 2 Place the 2 cables over the outdoor unit. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 34 (field supply). 4 Attach the ends of the cables. 5 Tighten the cables. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 35: Piping Installation

    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. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 36: Refrigerant Piping Insulation

    675. Do NOT vent these gases into the atmosphere. ▪ When charging refrigerant, ALWAYS use protective gloves and safety glasses. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 37: About Connecting The Refrigerant Piping

    NEVER install a drier to this R32 unit to guarantee its lifetime. The drying material may dissolve and damage the system. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 38: Guidelines When Connecting The Refrigerant Piping

    ALWAYS use a spanner and torque wrench together to tighten the flare nut when connecting the piping. This to prevent nut cracking and leaks. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 39: Pipe Bending Guidelines

    Clutch type Wing nut type (Ridgid-type) (Imperial-type) 0~0.5 mm 1.0~1.5 mm 1.5~2.0 mm 5 Check that the flaring is properly made. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 40: Using The Stop Valve And Service Port

    Silicon sealant, make sure there is no gap. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 41: To Connect The Refrigerant Piping To The Outdoor Unit

    1 Connect the liquid refrigerant connection from the indoor unit to the liquid stop valve of the outdoor unit. Liquid stop valve ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 42: Checking The Refrigerant Piping

    Make sure that the gas stop valve and liquid stop valve are firmly closed before performing the leak test or vacuum drying. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 43: To Check For Leaks

    If the pressure… Then… Does not change There is no moisture in the system. This procedure is finished. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 44 NOT present any problem for correct operation of the unit. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 45: Charging Refrigerant

    3 Vacuum drying on the outdoor unit's internal refrigerant piping is performed. NOTICE Before completely recharging, perform vacuum drying on the outdoor unit's internal refrigerant piping as well. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 46: About The Refrigerant

    WARNING NEVER directly touch any accidental leaking refrigerant. This could result in severe wounds caused by frostbite. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 47: Precautions When Charging Refrigerant

    675. Do NOT vent these gases into the atmosphere. ▪ When charging refrigerant, ALWAYS use protective gloves and safety glasses. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 48: To Fix The Fluorinated Greenhouse Gases Label

    2 Fix the label on the inside of the outdoor unit near the gas and liquid stop valves. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 49: Electrical Installation

    Also read the precautions and requirements in the "2  General safety precautions" [  5]. INFORMATION Also read "9.1.3 Specifications of standard wiring components" [  52]. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 50 All electrical parts (including thermistors) are powered by the power supply. Do not touch them with bare hands. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 51: Guidelines When Connecting The Electrical Wiring

    Use the following methods for installing wires: Wire type Installation method Single-core wire AA´ A´ a Curled single-core wire b Screw c Flat washer ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 52: Specifications Of Standard Wiring Components

    H05RN-F (60245 IEC 57) Interconnection cable 4-core cable (indoor↔outdoor) 1.5 mm ~2.5 mm and applicable for 220~240 V H05RN-F (60245 IEC 57) ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 53: To Connect The Electrical Wiring To The Outdoor Unit

    4 Connect the interconnection cable and power supply as follows: 50 Hz 220-240 V Interconnection cable Power supply cable Circuit breaker Residual current device Power supply ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 54 5 Tighten the terminal screws securely. We recommend using a Phillips screwdriver. 6 Install the switch box cover. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 55: Finishing The Outdoor Unit Installation

    NOTICE When closing the outdoor unit cover, make sure that the tightening torque does NOT exceed 1.3 N•m. 3× ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 56: Configuration

    This mode is only applicable for outdoor units: RXM50+60R, ARXM50R and indoor units: FTXM, ATXM. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 57: To Turn On Standby Electricity Saving Function

    1 Remove the service cover. 2 Disconnect the selective standby electricity saving connector. 3 Turn on the main power supply. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 58: Commissioning

    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. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 59: Checklist During Commissioning

    ▪ When the power turns back on after a power break, the previously selected mode will be resumed. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 60: Starting Up The Outdoor Unit

    12.5 Starting up the outdoor unit See the indoor unit installation manual for configuration and commissioning of the system. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 61: Hand-Over To The User

    Show the user what to do for the maintenance of the unit. ▪ Explain the user about energy saving tips as described in the operation manual. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 62: Maintenance And Service

    Do NOT rinse the unit. This may cause electric shocks or fire. 14.3 Checklist for yearly maintenance of the outdoor unit Check the following at least once a year: ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 63: About The Compressor

    Use approved refrigerants and lubricants only. DANGER: RISK OF BURNING/SCALDING Do NOT touch the compressor with bare hands. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 64: Troubleshooting

    15.3.1 Symptom: Indoor units fall, vibrate or make noise Possible causes Corrective action The indoor units are not installed Install the indoor units securely. securely ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 65: Symptom: The Unit Is Not Heating Or Cooling As Expected

    ▪ Even when the LEDs are off, the terminal block and the PCB may be powered. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 66: Disposal

    4 Check on the manifold if the vacuum is reached. 5 After 2-3 minutes, close the gas stop valve and stop forced cooling. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 67: To Start And Stop Forced Cooling

    Warm the outside temperature thermistor on the outdoor unit to ≥−10°C. Result: Operation will start. ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 68: 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 The wiring diagram is delivered with the unit, located inside of the outdoor unit (bottom side of the top plate).
  • Page 69 Printed circuit board Power module Switching power supply PTC* PTC thermistor Insulated gate bipolar transistor (IGBT ) Circuit breaker ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 70 Terminal strip (block) Electronic expansion valve coil Y*R, Y*S Reversing solenoid valve coil Ferrite core ZF, Z*F Noise filter ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 71: Piping Diagram

    Muffler with filter Propeller fan Capillary tube Refrigerant flow: cooling Outdoor temperature thermistor Refrigerant flow: heating Heat exchanger thermistor ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 72 Muffler with filter Propeller fan Capillary tube Refrigerant flow: cooling Outdoor temperature thermistor Refrigerant flow: heating Heat exchanger thermistor ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 73 Muffler with filter Propeller fan Capillary tube Refrigerant flow: cooling Outdoor temperature thermistor Refrigerant flow: heating Heat exchanger thermistor ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...
  • Page 74 Muffler with filter Propeller fan Capillary tube Refrigerant flow: cooling Outdoor temperature thermistor Refrigerant flow: heating Heat exchanger thermistor ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B + Installer reference guide RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B R32 split series 4P513661-9J – 2020.05...

  • Page 75: 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 76 4P513661-9J 2020.05 Verantwortung für Energie und Umwelt...

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