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Summary of Contents for Daikin 4MWXM52A2V1B
- Page 1 Installer reference guide R32 Split series 4MWXM52A2V1B...
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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..........................
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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". 4MWXM-A Installer reference guide R32 Split series 4P678385-1A – 2022.02...
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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. 4MWXM-A Installer reference guide R32 Split series 4P678385-1A –... - 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…...
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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. NOTICE Make sure refrigerant piping installation complies with applicable legislation. In Europe, EN378 is the applicable standard. NOTICE Make sure the field piping and connections are NOT subjected to stress. -
Page 12: Electrical
General safety precautions WARNING Make sure there is no oxygen in the system. Refrigerant may ONLY be charged after performing the leak test and the vacuum drying. Possible consequence: Self-combustion and explosion of the compressor because of oxygen going into the operating compressor. ▪... - Page 13 General safety precautions WARNING If NOT factory installed, a main switch or other means for disconnection, having a contact separation in all poles providing full disconnection under overvoltage category III condition, MUST be installed in the fixed wiring. WARNING ▪ ONLY use copper wires. ▪...
- 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. WARNING ▪ After finishing the electrical work, confirm that each electrical component and terminal inside the electrical components box is connected securely.
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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" [ 20]) 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 BURNING/SCALDING DANGER: RISK OF ELECTROCUTION Piping installation (see "7 Piping installation" [ 33]) 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 ELECTROCUTION ▪ Use this compressor on a grounded system only. ▪ Turn the power off before servicing the compressor. ▪ Reattach the switch box cover and service lid after servicing. CAUTION ALWAYS wear safety glasses and protective gloves. DANGER: RISK OF EXPLOSION ▪...
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Page 20: About The Box
About the box 4 About the box 4.1 Overview: About the box This chapter describes what you have to do after the boxes with the outdoor and indoor unit are 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. -
Page 21: 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). 4.2.3 To remove the accessories from the outdoor unit 1 Lift the outdoor unit. - Page 22 About the box a Outdoor unit installation manual b General safety precautions c Fluorinated greenhouse gases label d Multilingual fluorinated greenhouse gases label e Energy label f Screw bag. The screws will be used for fixing the electrical wire anchor bands. g Drain cap (small) h Drain cap (large) i Reducer assembly...
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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 ▪ 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.
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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 a Snow cover or shed b Pedestal c Prevailing wind direction d Air outlet It is recommended to provide at least 150 mm of free space below the unit (300 mm for heavy snowfall areas). Additionally, make sure the unit is positioned at least 100 mm above the maximum expected level of snow. -
Page 29: Mounting The Outdoor Unit
Unit installation 3× 1× a Service cover b Switch box cover 6.3 Mounting the outdoor unit 6.3.1 About mounting the outdoor unit When The outdoor and indoor unit must be mounted before the refrigerant piping can be connected. Typical workflow Mounting the outdoor unit typically consists of the following stages: Providing the installation structure. -
Page 30: To Install The Outdoor Unit
Unit installation (mm) a 100 mm above expected level of snow 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 NOTICE In cold areas, do NOT use a drain socket, hose and caps (large, small) with the outdoor unit. Take adequate measures so that the evacuated condensate CANNOT freeze. NOTICE If the drain holes of the outdoor unit are blocked up by a mounting base or floor surface, place additional foot bases ≤30 mm under the outdoor unit's feet. - Page 32 Unit installation 4MWXM-A Installer reference guide R32 Split series 4P678385-1A – 2022.02...
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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 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 35: Connecting The Refrigerant Piping
Piping installation Height difference Height difference indoor- outdoor-indoor indoor 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 36 Piping installation NOTICE ▪ Use the flare nut fixed to the main unit. ▪ To prevent gas leakage, apply refrigeration oil only to the inside of the flare. Use refrigeration oil for R32 (FW68DA). ▪ Do NOT reuse joints. NOTICE ▪...
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Page 37: Guidelines When Connecting The Refrigerant Piping
Piping installation NOTICE Even if the stop valve is fully closed, the refrigerant may slowly leak out. Do NOT leave the flare nut removed for long period of time. 7.2.3 Guidelines when connecting the refrigerant piping Take the following guidelines into account when connecting pipes: ▪... -
Page 38: Connections Between Outdoor And Indoor Unit Using Reducers
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) -
Page 39: Using The Stop Valve And Service Port
Piping installation Connection examples: ▪ Connecting a Ø9.5 mm inter unit pipe to a Ø12.7 mm gas pipe connection port on the outdoor unit Ø12.7 mm Ø9.5 mm a Reducer 1 b Reducer 2 c Flare nut (on the outdoor unit) Coat the threaded connection port of the outdoor unit where the flare nut comes in with refrigeration oil. - Page 40 Piping installation a Spanner b Torque wrench ▪ When it is expected that the operating pressure will be low (e.g. when cooling will be performed while the outside air temperature is low), sufficiently seal the flare nut in the stop valve on the gas line with silicon sealant to prevent freezing. Silicon sealant, make sure there is no gap.
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Page 41: To Connect The Refrigerant Piping To The Outdoor Unit
Piping installation 7.2.8 To connect the refrigerant piping to the outdoor unit ▪ Piping length. Keep field piping as short as possible. ▪ Piping protection. Protect the field piping against physical damage. 1 Connect the liquid refrigerant connection from the indoor unit to the liquid stop valve of the outdoor unit. -
Page 42: Precautions When Checking The Refrigerant Piping
Piping installation 7.3.2 Precautions when checking the refrigerant piping INFORMATION Also read the precautions and requirements in the following chapters: ▪ "2 General safety precautions" [ 7] ▪ "7.1 Preparing refrigerant piping" [ 33] NOTICE Use a 2-stage vacuum pump with a non-return valve that can evacuate to a gauge pressure of −... - Page 43 Piping installation a Pressure meter b Gauge manifold c Low-pressure valve (Lo) d High-pressure valve (Hi) e Charging hoses f Vacuum pump g Service port h Valve caps i Gas stop valve j Liquid stop valve NOTICE Connect the vacuum pump to both the service ports of the gas stop valves. 1 Vacuum the system until the pressure on the manifold indicates −0.1 ...
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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 8.3 Precautions when charging refrigerant INFORMATION Also read the precautions and requirements in the following chapters: ▪ "2 General safety precautions" [ 7] ▪ "7.1 Preparing refrigerant piping" [ 33] 8.4 To determine the additional refrigerant amount If the total liquid piping Then…... -
Page 47: To Fix The Fluorinated Greenhouse Gases Label
Charging refrigerant 3 Open the gas stop valve. If pump down is needed in case of dismantling or relocating the system, see "16.2 To pump down" [ 70] for more details. 8.7 To fix the fluorinated greenhouse gases label 1 Fill in the label as follows: Contains fluorinated greenhouse gases RXXX GWP: XXX... -
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 WARNING ▪ All wiring MUST be performed by an authorised electrician and MUST comply with the applicable legislation. ▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. WARNING ▪...
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Page 50: Guidelines When Connecting The Electrical Wiring
Electrical installation DANGER: RISK OF ELECTROCUTION Disconnect the power supply for more than 10 minutes, and measure the voltage at the terminals of main circuit capacitors or electrical components before servicing. The voltage MUST be less than 50 V DC before you can touch electrical components. For the location of the terminals, see the wiring diagram. -
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 8 Pass the wiring through the cutout on the bottom of the protection plate. 9 Make sure that the electrical wiring does NOT make contact with the gas piping. 2× 1 2 3 a Terminal for indoor unit A b Terminal for indoor unit B c Terminal for indoor unit C d Terminal for DHW tank...
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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 INFORMATION Following field settings are applicable only for direct expansion indoor units (DX). For the DHW tank field setting, refer to the installation manual of the DHW tank. In this chapter 11.1 About standby electricity saving function..........................11.1.1 To turn ON standby electricity saving function ..................... -
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: 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 the commissioning and hand-over to the user. -
Page 59: 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 60: About Wiring Error Check
Commissioning 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 INFORMATION This function is available only for the air-conditioning indoor units. DHW tank wiring MUST be check manually, automatic correction is NOT possible. -
Page 61: To Perform A Test Run
Commissioning INFORMATION ▪ The number of LEDs displayed depends on the number of rooms. ▪ The wiring error check function will NOT work if outside temperature is ≤5°C and if water temperature in DHW tank is ≥20°C. ▪ After wiring error check operation is completed, LED indication will continue until normal operation starts. -
Page 62: 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. 12.6 Starting up the outdoor unit See the indoor unit installation manual for configuration and commissioning of the system. -
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, 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. -
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 Troubleshooting a Location of LED Symbol LED is... Flashing Red LED Diagnosis Normal. ▪ Check the indoor unit. High-pressure protector worked or freeze-up in operating unit, or stand-by unit. Overload relay worked or high discharge pipe temperature. Faulty compressor start. Input over-current.
- Page 69 Troubleshooting Diagnosis may not apply to some cases. For more details, refer to the service manual. 4MWXM-A Installer reference guide R32 Split series 4P678385-1A – 2022.02...
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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 5 After 2-3 minutes, close the both gas stop valves and stop forced cooling. a Gas stop valve b Closing direction c Hexagonal wrench d Valve cap e Liquid stop valve 16.3 To start and stop forced cooling 1 Turn OFF the power, remove the service cover and the switch box cover and the service PCB switch cover. -
Page 72: 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 73 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)
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Page 74: Piping Diagram: Outdoor Unit
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 75 Technical data ▪ Compressor: category II ▪ Accumulator: category II ▪ Other components: refer to PED article 4, paragraph 3 4MWXM-A a Heat exchanger k 4-way valve u Thermistor (gas) b Outdoor air temperature l Muffler v Room (A, B, C) and Domestic thermistor hot water tank (W) c Heat exchanger thermistor...
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Page 76: 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 4P678385-1A 2022.02 Verantwortung für Energie und Umwelt...
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