Table of contents Table of contents 1 About the documentation About this document ..............................Installer reference guide at a glance ..........................2 General safety precautions About the documentation .............................. 2.1.1 Meaning of warnings and symbols ........................ For the installer ................................2.2.1 General ................................
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Table of contents 8 Electrical installation Preparing electrical wiring .............................. 43 8.1.1 About preparing electrical wiring........................43 Connecting the electrical wiring............................. 44 8.2.1 About connecting the electrical wiring ......................44 8.2.2 Precautions when connecting the electrical wiring..................44 8.2.3 Guidelines when connecting the electrical wiring..................45 8.2.4 Specifications of standard wiring components....................
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).
About the documentation 1.2 Installer reference guide at a glance Chapter Description General safety precautions Safety instructions that you MUST read before installing About the documentation What documentation exists for the installer About the box How to unpack the units and remove their accessories About the unit ▪...
General safety precautions 2 General safety precautions 2.1 About the documentation ▪ The original documentation is written in English. All other languages are translations. ▪ The precautions described in this document cover very important topics, follow them carefully. ▪ The installation of the system, and all activities described in the installation manual and in the installer reference guide MUST be performed by an authorised 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).
General safety precautions WARNING Provide adequate measures to prevent that the unit can be used as a shelter by small animals. Small animals that make contact with electrical parts can cause malfunctions, smoke or fire. CAUTION Do NOT touch the air inlet or aluminium fins of the unit. CAUTION ▪...
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WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. WARNING If one or more rooms are connected to the unit using a duct system, make sure: ▪...
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General safety precautions Installation space requirements WARNING If appliances contain R32 refrigerant, the floor area of the room in which the appliances are installed, operated and stored MUST be larger than the minimum floor area defined in table below A (m ).
General safety precautions Ceiling-mounted Wall-mounted Floor-standing unit unit unit m (kg) m (kg) A m (kg) A ≤1.842 — ≤1.842 — ≤1.842 — 1.843 28.9 1.843 3.64 1.843 4.45 3.95 4.83 34.0 4.34 5.31 41.2 5.79 49.0 4.74 5.13 6.39 57.5 7.41 66.7...
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General safety precautions WARNING Take sufficient precautions in case of refrigerant leakage. If refrigerant gas leaks, ventilate the area immediately. Possible risks: ▪ Excessive refrigerant concentrations in a closed room can lead to oxygen deficiency. ▪ Toxic gas might be produced if refrigerant gas comes into contact with fire. DANGER: RISK OF EXPLOSION Pump down –...
General safety precautions Then A siphon tube is present Charge with the cylinder upright. (i.e., the cylinder is marked with "Liquid filling siphon attached") A siphon tube is NOT present Charge with the cylinder upside down. ▪ Open refrigerant cylinders slowly. ▪...
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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.
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General safety precautions NOTICE ONLY applicable if the power supply is three‑phase, and the compressor has an ON/ OFF starting method. If there exists the possibility of reversed phase after a momentary black out and the power goes ON and OFF while the product is operating, attach a reversed phase protection circuit locally.
Specific installer safety instructions 3 Specific installer safety instructions Always observe the following safety instructions and regulations. Unit installation (see "6 Unit installation" [ 22]) 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. 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.
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Specific installer safety instructions WARNING ALWAYS use multicore cable for power supply cables. 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.
About the box 4 About the box 4.1 Overview: About the box This chapter describes what you have to do after the box with the outdoor unit is delivered on-site. Keep the following in mind: ▪ At delivery, the unit MUST be checked for damage. Any damage MUST be reported immediately to the claims agent of the carrier.
About the box WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. 4.2.2 To remove the accessories from the outdoor unit 1 Lift the outdoor unit.
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About the box 1× 1× 1× 1× 1× a General safety precautions b Outdoor unit installation manual c Fluorinated greenhouse gases label d Multilingual fluorinated greenhouse gases label e Drain plug (located on the bottom of the packing case) (A)RXF20~42C5V1B Installer reference guide R32 split series 4P519439-10J –...
About the units and options 5 About the units and options 5.1 Overview: About the units and options This chapter contains information about: ▪ Identification of the outdoor unit 5.2 Identification NOTICE When installing or servicing several units at the same time, make sure NOT to switch the service panels between different models.
Unit installation 6 Unit installation In this chapter Preparing the installation site ..............................6.1.1 Installation site requirements of the outdoor unit ....................6.1.2 Additional installation site requirements of the outdoor unit in cold climates ........... Opening the units ................................... 6.2.1 About opening the units ............................
Unit installation WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. 6.1.1 Installation site requirements of the outdoor unit INFORMATION Also read the following requirements: ▪...
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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.
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 ranging from –10 to 46°C in cooling mode and from –15 to 24°C in heating mode. Unless otherwise specified in the operation manual of the connected indoor unit.
Unit installation 6.2 Opening the units 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.
Unit installation 6.3.2 Precautions when mounting the outdoor unit INFORMATION Also read the precautions and requirements in the following chapters: ▪ General safety precautions ▪ Preparation 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.
Unit installation 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. ▪ Prepare a water drainage channel around the foundation to drain waste water away from the unit.
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Unit installation 5 Tighten the cables. (A)RXF20~42C5V1B Installer reference guide R32 split series 4P519439-10J – 2021.06...
Piping installation What? Distance Minimum allowable pipe length 1.5 m Maximum allowable height difference 12 m 7.1.3 Refrigerant piping insulation ▪ Use polyethylene foam as insulation material: with a heat transfer rate between 0.041 and 0.052 W/mK (0.035 and 0.045 kcal/mh°C) with a heat resistance of at least 120°C ▪...
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Piping installation DANGER: RISK OF BURNING/SCALDING CAUTION ▪ 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.
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.
Piping installation 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. Set exactly at the position as shown in the following figure. Flare tool for R32 Conventional flare tool (clutch type)
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Piping installation ▪ ALWAYS make sure to secure the stop valve with a spanner, then loosen or tighten the flare nut with a torque wrench. Do NOT place the spanner on the stem cap, as this could cause a refrigerant leak. a Spanner b Torque wrench ▪...
Piping installation ▪ After handling the service port, tighten the service port cap, and check for refrigerant leaks. Item Tightening torque (N∙m) Service port cap 10.8~14.7 7.2.7 To connect the refrigerant piping to the outdoor unit ▪ Piping length. Keep field piping as short as possible. ▪...
Piping installation 7.3.2 Precautions when checking the refrigerant piping INFORMATION Also read the precautions and requirements in the following chapters: ▪ General safety precautions ▪ Preparation NOTICE Use a 2-stage vacuum pump with a non-return valve that can evacuate to a gauge pressure of −...
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Piping installation a Low pressure gauge 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 ...
Piping installation 7.4 Charging refrigerant 7.4.1 About charging refrigerant The outdoor unit is factory charged with refrigerant, but in some cases the following might be necessary: What When Charging additional refrigerant When the total liquid piping length is more than specified (see later). Completely recharging refrigerant Example: ▪...
Piping installation 7.4.2 About the refrigerant This product contains fluorinated greenhouse gases. Do NOT vent gases into the atmosphere. Refrigerant type: R32 Global warming potential (GWP) value: 675 NOTICE Applicable legislation on fluorinated greenhouse gases requires that the refrigerant charge of the unit is indicated both in weight and CO equivalent.
Piping installation 7.4.4 To determine the complete recharge amount INFORMATION If a complete recharge is necessary, the total refrigerant charge is: the factory refrigerant charge (see unit name plate) + the determined additional amount. 7.4.5 To charge additional refrigerant WARNING ▪...
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Piping installation 2 Fix the label on the inside of the outdoor unit near the gas and liquid stop valves. (A)RXF20~42C5V1B Installer reference guide R32 split series 4P519439-10J – 2021.06...
Electrical installation 8 Electrical installation In this chapter Preparing electrical wiring..............................8.1.1 About preparing electrical wiring .......................... Connecting the electrical wiring............................. 8.2.1 About connecting the electrical wiring........................8.2.2 Precautions when connecting the electrical wiring ....................8.2.3 Guidelines when connecting the electrical wiring ....................8.2.4 Specifications of standard wiring components .....................
Electrical installation 8.2 Connecting the electrical wiring 8.2.1 About connecting the electrical wiring Before connecting the electrical wiring Make sure: ▪ The refrigerant piping is connected and checked ▪ The water piping is connected Typical workflow Connecting the electrical wiring typically consists of the following stages: Making sure the power supply system complies with the electrical specifications of the units.
Electrical installation 8.2.3 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 the wire up to the covered part and fasten the terminal with the appropriate tool.
Electrical installation 8.2.4 Specifications of standard wiring components Component Power supply cable Voltage 220~240 V Phase Frequency 50 Hz Wire sizes MUST comply with applicable legislation Interconnection cable (indoor↔outdoor) 4-core cable ≥1.5 mm² and applicable for 220~240 V Recommended field fuse 16 A Earth leakage circuit breaker MUST comply with applicable legislation...
Finishing the outdoor unit installation 9 Finishing the outdoor unit installation 9.1 To finish the outdoor unit installation 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. 1 Insulate and fix the refrigerant piping and cables as follows: a Gas pipe b Gas pipe insulation...
Commissioning 10 Commissioning 10.1 Overview: Commissioning This chapter describes what you have to do and know to commission the system after it is installed. Typical workflow Commissioning typically consists of the following stages: Checking the "Checklist before commissioning". Performing a test run for the system. 10.2 Precautions when commissioning DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING/SCALDING...
Commissioning 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. There are NO damaged components or squeezed pipes on the inside of the indoor and outdoor units.
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. 10.6 Starting up the outdoor unit See the indoor unit installation manual for configuration and commissioning of the system.
Hand-over to the user 11 Hand-over to the user Once the test run is finished and the unit operates properly, please make sure the following is clear for the user: ▪ Make sure that the user has the printed documentation and ask him/her to keep it for future reference.
Maintenance and service 12 Maintenance and service NOTICE Maintenance MUST be done by an authorised installer or service agent. We recommend performing maintenance at least once a year. However, applicable legislation might require shorter maintenance intervals. NOTICE Applicable legislation on fluorinated greenhouse gases requires that the refrigerant charge of the unit is indicated both in weight and CO equivalent.
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Maintenance and service ▪ Heat exchanger The heat exchanger of the outdoor unit can get blocked up due to dust, dirt, leaves, etc. It is recommended to clean the heat exchanger yearly. A blocked heat exchanger can lead to too low pressure or too high pressure leading to worse performance.
Troubleshooting 13 Troubleshooting 13.1 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.
Troubleshooting 13.3.2 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. 13.3.3 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...
Disposal 14 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. ▪...
Disposal NOTICE During pump down operation, stop the compressor before removing the refrigerant piping. If the compressor is still running and the stop valve is open during pump down, air will be sucked into the system. Compressor breakdown or damage to the system can result due to abnormal pressure in the refrigerant cycle.
Technical data 15 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). (A)RXF20~42C5V1B Installer reference guide R32 split series 4P519439-10J –...
Technical data 15.1 Wiring diagram Unified Wiring Diagram Legend For applied 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 symbol “*” in the part code. CIRCUIT BREAKER PROTECTIVE EARTH CONNECTION...
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.
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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 4P519439-10J 2021.06 Verantwortung für Energie und Umwelt...