Daikin 3AMXF52A2V1B9 User Manual Download

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Installer reference guide

R32 Split series

3AMXM52N2V1B9
3AMXF52A2V1B9
3MXF52A2V1B9
3MXF68A2V1B9

Summary of Contents for 3AMXF52A2V1B9

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

Page 2: ...nstallation structure 29 6 3 4 To install the outdoor unit 30 6 3 5 To provide drainage 30 6 3 6 To prevent the outdoor unit from falling over 31 7 Piping installation 32 7 1 Preparing refrigerant piping 32 7 1 1 Refrigerant piping requirements 32 7 1 2 Refrigerant piping insulation 33 7 1 3 Refrigerant piping length and height difference 33 7 2 Connecting the refrigerant piping 34 7 2 1 About con...

Page 3: ...Checklist before commissioning 60 12 4 Checklist during commissioning 60 12 5 Trial operation and testing 60 12 5 1 About wiring error check 61 12 5 2 To perform a test run 62 12 6 Starting up the outdoor unit 62 13 Hand over to the user 63 14 Maintenance and service 64 14 1 Overview Maintenance and service 64 14 2 Maintenance safety precautions 64 14 3 Checklist for yearly maintenance of the outd...

Page 4: ...efrigerant piping to the indoor unit connecting the electrical wiring to the indoor unit see the installation manual of the indoor unit Documentation set This document is part of a documentation set The complete set consists of General safety precautions Safety instructions that you MUST read before installing Format Paper in the box of the outdoor unit Outdoor unit installation manual Installatio...

Page 5: ... death or serious injury WARNING FLAMMABLE MATERIAL CAUTION Indicates a situation that could result in minor or moderate injury NOTICE Indicates a situation that could result in equipment or property damage INFORMATION Indicates useful tips or additional information Symbols used on the unit Symbol Explanation Before installation read the installation and operation manual and the wiring instruction...

Page 6: ...umentation Installer reference guide 6 3AMXF A9 3AMXF A9 3AMXM N9 R32 Split series 4P600463 1F 2022 05 Symbol Explanation Indicates a table title or a reference to it Example 1 3 Table title means Table 3 in chapter 1 ...

Page 7: ... instructions described in the Daikin documentation WARNING Tear apart and throw away plastic packaging bags so that nobody especially children can play with them Possible risk suffocation 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 Wear adequa...

Page 8: ...he leakage of flammable gases example thinner or gasoline carbon fibre ignitable dust In places where corrosive gas example sulphurous acid gas is produced Corrosion of copper pipes or soldered parts may cause the refrigerant to leak Instructions for equipment using R32 refrigerant WARNING MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable WARNING Do NOT pierce or burn ...

Page 9: ...ting gas appliance or an operating electric heater in case the floor area is less than the minimum floor area A m no auxiliary devices which may be a potential ignition source are installed in the duct work example hot surfaces with a temperature exceeding 700 C and electric switching device only auxiliary devices approved by the manufacturer are used in the duct work air inlet AND outlet are conn...

Page 10: ...min m 2 Ceiling mounted unit a 4 6 13 4 4 6 180 4 8 14 6 4 8 196 5 0 15 8 5 0 213 1 842 5 2 17 1 1 842 5 2 230 1 843 3 64 5 4 18 5 1 843 28 9 5 4 248 2 0 3 95 5 6 19 9 2 0 34 0 5 6 267 2 2 4 34 5 8 21 3 2 2 41 2 5 8 286 2 4 4 74 6 0 22 8 2 4 49 0 6 0 306 2 6 5 13 6 2 24 3 2 6 57 5 6 2 327 2 8 5 53 6 4 25 9 2 8 66 7 6 4 349 3 0 5 92 6 6 27 6 3 0 76 6 6 6 371 3 2 6 48 6 8 29 3 3 2 87 2 6 8 394 3 4 7...

Page 11: ...RNING 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 WARNING ALWAYS recover the refrigerant Do NOT release them directly into the environment Use a vacuum pu...

Page 12: ...rigerant in liquid form Adding it in gas form may prevent normal operation CAUTION When the refrigerant charging procedure is done or when pausing close the valve of the refrigerant tank immediately If the valve is NOT closed immediately remaining pressure might charge additional refrigerant Possible consequence Incorrect refrigerant amount 2 1 4 Electrical DANGER RISK OF ELECTROCUTION Turn OFF al...

Page 13: ...ARNING After finishing the electrical work confirm that each electrical component and terminal inside the electrical components box is connected securely Make sure all covers are closed before starting up the unit CAUTION When connecting the power supply connect the earth cable first before making the current carrying connections When disconnecting the power supply disconnect the current carrying ...

Page 14: ...e 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 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 Running the product in reversed phase can bre...

Page 15: ...e EN378 is the applicable standard Installation site see 6 1 Preparing the installation site 424 CAUTION Check if the installation location can support the unit s weight Poor installation is hazardous It can also cause vibrations or unusual operating noise Provide sufficient service space Do NOT install the unit so that it is in contact with a ceiling or a wall as this may cause vibrations WARNING...

Page 16: ... piping Site made joints directly connecting piping to indoor units shall be of non permanent type CAUTION Do NOT connect the embedded branch piping and the outdoor unit when only carrying out piping work without connecting the indoor unit in order to add another indoor unit later WARNING Connect the refrigerant piping securely before running the compressor If the refrigerant piping is NOT connect...

Page 17: ...king refrigerant This could result in severe wounds caused by frostbite Electrical installation see 9 Electrical installation 448 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 ...

Page 18: ...s will be very hot DANGER RISK OF ELECTROCUTION All electrical parts including thermistors are powered by the power supply Do NOT touch them with bare hands 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 ca...

Page 19: ... Do NOT rinse the unit This may cause electric shocks or fire 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 Use a pipe cutter to remove the compressor Do NOT use the brazing to...

Page 20: ...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 When the unit is NOT operating the LEDs on the PCB are turned OFF in order to save power Even when the LEDs are OFF the terminal block and the PCB may be powered ...

Page 21: ...UST be reported immediately to the claims agent of the carrier Bring the packed unit as close as possible to its final installation position to prevent damage during transport Prepare in advance the path along which you want to bring the unit to its final installation position 4 1 Outdoor unit 4 1 1 To unpack the outdoor unit 2 1 3 4 1 2 To handle the outdoor unit CAUTION To avoid injury do NOT to...

Page 22: ...e accessories from the outdoor unit 1 Lift the outdoor unit 2 Remove the accessories from the bottom of the package 3 Make sure you have all following accessories delivered with the unit 1 1 2 1 6 1 a 1 b c d e 3 1 1 i j g h f 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...

Page 23: ...cal wiring before you can charge refrigerant The Hybrid for Multi or the DHW generator for Multi are considered as 1 room connection For the correct combination see the combination table and the installation manual of the Hybrid for Multi or the DHW generator for Multi WARNING MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable INFORMATION For the operation limits see th...

Page 24: ...d out of the site Do NOT install the unit in places often used as work place In case of construction works e g grinding works where a lot of dust is created the unit MUST be covered CAUTION Check if the installation location can support the unit s weight Poor installation is hazardous It can also cause vibrations or unusual operating noise Provide sufficient service space Do NOT install the unit s...

Page 25: ...N Also read the following requirements 2 General safety precautions 47 7 1 3 Refrigerant piping length and height difference 433 Mind the following spacing guidelines 100 50 350 mm b a 100 50 b a 100 b a b a 350 350 50 b a 1200 100 350 a b a Air outlet b Air inlet Allow 300 mm of work space below the ceiling surface and 250 mm for piping and electrical servicing 250 300 mm NOTICE Do NOT stack the ...

Page 26: ... 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 INFORMATION The sound pressure level is less than 70 dBA In places where a mineral oil mist spray or vapour may be present in the atmosphere Plastic parts may deteriorate and fal...

Page 27: ...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 operation manual of the connected indoor unit Cooling mode Heating mode 10 46 C DB 15 24 C DB 6 1 2 Additional installation site requirements of the outdoor unit in cold climates Protect the outdoor unit against direct sn...

Page 28: ...ateral snowfall is possible make sure that the heat exchanger coil is NOT affected by the snow If necessary install a snow cover or shed and a pedestal 6 2 Opening the unit 6 2 1 About opening the unit 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...

Page 29: ...ts in the following chapters 2 General safety precautions 47 6 1 Preparing the installation site 424 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 Use a vibration proof rubber field supply in cases where vibrations may be transmitted to the building The unit may be installed direc...

Page 30: ...th so that it does NOT become slippery in case of ambient freezing temperatures If you install the unit on a frame install a waterproof plate within 150 mm of the bottom side of the unit in order to prevent water from getting into the unit and to avoid drain water dripping see the following figure NOTICE In cold areas do NOT use a drain socket hose and caps large small with the outdoor unit Take a...

Page 31: ...nstall a drain cap large b Drain hole Install a drain cap small c Drain hole for drain socket 6 3 6 To prevent the outdoor unit from falling over In case the unit is installed in places where strong wind can tilt the unit take following measure 1 Prepare 2 cables as indicated in the following illustration field supply 2 Place the 2 cables over the outdoor unit 3 Insert a rubber sheet between the c...

Page 32: ... 41 7 3 1 About checking the refrigerant piping 41 7 3 2 Precautions when checking the refrigerant piping 41 7 3 3 To check for leaks 42 7 3 4 To perform vacuum drying 42 7 1 Preparing refrigerant piping 7 1 1 Refrigerant piping requirements 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 ...

Page 33: ...er diameter Øp Insulation inner diameter Øi Insulation thickness t 6 4 mm 1 4 8 10 mm 10 mm 9 5 mm 3 8 12 15 mm 13 mm 12 7 mm 1 2 14 16 mm 13 mm Øi Øi t Øp Øp If the temperature is higher than 30 C and the humidity is higher than RH 80 the thickness of the insulation materials should be at least 20 mm to prevent condensation on the surface of the insulation Use separate thermal insulation pipes fo...

Page 34: ...e indoor unit to piping Site made joints directly connecting piping to indoor units shall be of non permanent type CAUTION Do NOT connect the embedded branch piping and the outdoor unit when only carrying out piping work without connecting the indoor unit in order to add another indoor unit later 7 2 1 About connecting the refrigerant piping Before connecting the refrigerant piping Make sure the o...

Page 35: ...hen adding refrigerant Only use installation tools e g manifold gauge set that are exclusively used for R32 installations to withstand the pressure and to prevent foreign materials e g mineral oils and moisture from mixing into the system Install the piping so that the flare is NOT subjected to mechanical stress Do NOT leave pipes unattended at the site If the installation is NOT done within 1 day...

Page 36: ...l or ester oil when connecting a flare nut Tighten 3 or 4 turns by hand before tightening firmly ALWAYS use 2 wrenches together when loosening a flare nut ALWAYS use a spanner and torque wrench together to tighten the flare nut when connecting the piping This to prevent nut cracking and leaks a b c d a Torque wrench b Spanner c Piping union d Flare nut Piping size mm Tightening torque N m Flare di...

Page 37: ... 1 0 1 5 mm 1 5 2 0 mm 5 Check that the flaring is properly made a b c a Flare s inner surface MUST be flawless b The pipe end MUST be evenly flared in a perfect circle c Make sure the flare nut is fitted 7 2 6 Connections between outdoor and indoor unit using reducers INFORMATION For the DHW generator for Multi use the same reducer as for the 20 class indoor unit For the Hybrid for Multi see the ...

Page 38: ... mm gas pipe connection port a b d e c a Outdoor unit connection port b Reducer no 1 c Reducer no 3 d Flare nut for Ø15 9 mm e Inter unit piping Connecting a Ø9 5 mm pipe to a Ø15 9 mm gas pipe connection port a b d e c a Outdoor unit connection port b Reducer no 6 c Reducer no 5 d Flare nut for Ø9 5 mm e Inter unit piping Connecting a Ø9 5 mm pipe to a Ø12 7 mm gas pipe connection port a b d e c ...

Page 39: ... handling the valve c d a b a Service port and service port cap b Valve stem c Field piping connection d Stem cap Keep both stop valves open during operation Do NOT apply excessive force to the valve stem Doing so may break the valve body 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 th...

Page 40: ...ck for refrigerant leaks Stem cap Width across flats mm Tightening torque N m Liquid side 19 18 20 Gas side 22 21 28 To handle the service cap ALWAYS use a charge hose equipped with a valve depressor pin since the service port is a Schrader type valve After handling the service port tighten the service port cap and check for refrigerant leaks Item Tightening torque N m Service port cap 11 14 7 2 8...

Page 41: ...rigerant piping 2 Performing vacuum drying to remove all moisture air or nitrogen from the refrigerant piping If there is a possibility of moisture being present in the refrigerant piping for example water may have entered the piping first carry out the vacuum drying procedure below until all moisture has been removed 7 3 2 Precautions when checking the refrigerant piping INFORMATION Also read the...

Page 42: ... nitrogen gas up to a gauge pressure of at least 200 kPa 2 bar It is recommended to pressurize to 3000 kPa 30 bar in order to detect small leaks 2 Check for leaks by applying the bubble test solution to all connections 3 Discharge all nitrogen gas 7 3 4 To perform vacuum drying DANGER RISK OF EXPLOSION Do NOT open the stop valves before the vacuum drying is finished Connect the vacuum pump and man...

Page 43: ...reach the target vacuum or CANNOT maintain the vacuum for 1 hour do the following Check for leaks again Perform vacuum drying again NOTICE Be sure to open the gas stop valve after piping installation and vacuuming Running the system with the valve closed the compressor may break down INFORMATION After opening the stop valve it is possible that the pressure in the refrigerant piping does NOT increa...

Page 44: ... Before charging additional refrigerant make sure the outdoor unit s external refrigerant piping is checked leak test vacuum drying INFORMATION Depending on the units and or the installation conditions it might be necessary to connect electrical wiring before you can charge refrigerant Typical workflow Charging additional refrigerant typically consists of the following stages 1 Determining if and ...

Page 45: ... 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 Turn OFF any combustible heating devices ventilate the room and contact the dealer where you purchased the unit Do NOT use the unit until a service person confirms that the part from which the refrigerant leaked has been rep...

Page 46: ...cautions and requirements in the following chapters 2 General safety precautions 47 7 1 Preparing refrigerant piping 432 8 4 To determine the additional refrigerant amount If the total liquid piping length is Then 30 m Do NOT add additional refrigerant 30 m R total length m of liquid piping 30 m 0 020 R Additional charge kg rounded in units of 0 1 kg INFORMATION Piping length is the one way length...

Page 47: ...see 16 2 To pump down 470 for more details 8 7 To fix the fluorinated greenhouse gases label 1 Fill in the label as follows b Contains fluorinated greenhouse gases 2 1 1 1 2 2 kg tCO2 eq GWP kg 1000 kg kg GWP XXX RXXX a f c d e a If a multilingual fluorinated greenhouse gases label is delivered with the unit see accessories peel off the applicable language and stick it on top of a b Factory refrig...

Page 48: ...or unit 3 Connecting the electrical wiring to the indoor unit 4 Connecting the main power supply of the indoor unit 5 Connecting the main power supply of the gas boiler 6 Connecting the communication cable between the gas boiler and the indoor unit 7 Connecting the user interface 8 Connecting the shut off valves 9 Connecting the domestic hot water pump 10 Connecting the alarm output 11 Connecting ...

Page 49: ... lead wire connector f S70 fan motor lead wire connector g S80 4 way valve lead wire connector h Compressor lead wire connector May differ depending on the model 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 ...

Page 50: ...ype 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 WARNING Do NOT connect the power supply to the indoor unit This could result in electrical shock or fire WARNING Do NOT ...

Page 51: ...ed Tightening torques Item Tightening torque N m M4 X1M 1 2 M4 earth The earth wire between the wire retainer and the terminal must be longer than the other wires 1 3 9 1 3 Specifications of standard wiring components Component Power supply cable Voltage 220 240 V Phase 1 Frequency 50 Hz Wire type 3 core cable 2 5 mm2 H05RN F 60245 IEC 57 H07RN F 60245 IEC 66 3 core cable 4 0 mm2 H07RN F 60245 IEC...

Page 52: ... end to this point b An excessive strip length may cause electrical shock or leakage 3 Connect the wires between the indoor and outdoor units so that the terminal numbers match Make sure to match the symbols for piping and wiring 4 Make sure to connect correct wiring to correct room e B e C a A e A a C a B b c d a Terminal for room A B C b Circuit breaker c Residual current device d Power supply w...

Page 53: ...ectrical installation Installer reference guide 53 3AMXF A9 3AMXF A9 3AMXM N9 R32 Split series 4P600463 1F 2022 05 L N 1 2 3 1 2 3 2 a a Wire retainer 10 Reattach the switch box cover and the service cover ...

Page 54: ... switch box cover before turning ON the power supply 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 g b a f e c d a Gas pipe b Gas pipe insulation c Interconnection cable d Field wiring if applicable e Liquid pipe f...

Page 55: ...n ON cool mode lock 57 11 1 About standby electricity saving function The standby electricity saving function turns OFF the power supply to the outdoor unit and turns ON the standby electricity saving mode on the indoor unit The standby electricity saving function works with following units 3AMXM52 FTXM FTXP FTXJ FVXM If another indoor unit is used the connector for standby electric saving MUST be...

Page 56: ...function is set operates at high power the other indoor units will run with reduced capabilities Quiet operation priority If the indoor unit on which the priority room function is set to quiet operation the outdoor unit will also run quietly Ask the customer in which rooms he plans to use this function and make the necessary settings during installation Setting it in the guest rooms is convenient ...

Page 57: ...cover on the service PCB 2 Set the heat mode lock switch SW5 1 to ON 4 3 2 1 4 3 2 1 A 1 2 3 4 5 SW5 2 OFF ON 1 1 11 5 About cool mode lock Cool mode lock limits the unit to cool operation Forced operation remains possible in cool mode Specifications for the connector housing and pins ST products housing VHR 5N pin SVH 21T 1 1 When cool mode lock is used in combination with the Hybrid for Multi th...

Page 58: ...11 Configuration Installer reference guide 58 3AMXF A9 3AMXF A9 3AMXM N9 R32 Split series 4P600463 1F 2022 05 4 VHR 5N SVH 21T 1 S15 1 3 5 ...

Page 59: ...ring error check 61 12 5 2 To perform a test run 62 12 6 Starting up the outdoor unit 62 12 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 1 Checking the Checklist before commissioning 2 Performing a test run for the system 12 2 Precautions when com...

Page 60: ...n the outdoor unit are fully open Drainage Make sure drainage flows smoothly Possible consequence Condensate water might drip The indoor unit receives the signals of the user interface The specified wires are used for the interconnection cable The fuses circuit breakers or locally installed protection devices are installed according to this document and have NOT been bypassed Check if marks room A...

Page 61: ... is connected correctly If you perform a wiring error check the hybrid for multi indoor unit will not operate by heat pump for 72 hours During this time the gas boiler will take over the hybrid operation 1 Remove the service PCB switch cover A 1 2 3 4 5 SW3 2 1 1 2 Press shortly the wiring error check switch SW3 on the outdoor unit service PCB Result The service monitor LEDs indicate whether corre...

Page 62: ...inutes The difference should be more than 8 C cooling or 20 C heating 3 First check operation of each unit individually then check simultaneous operation of all indoor units Check both heating and cooling operation 4 When test run is finished set the temperature to a normal level In cooling mode 26 28 C in heating mode 20 24 C INFORMATION Test run can be disabled if necessary After the unit is tur...

Page 63: ...erly 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 Inform the user that he can find the complete documentation at the URL mentioned earlier in this manual Explain the user how to properly operate the system and what to do in case of problems Show the user what to do for the maintenance of the unit...

Page 64: ...orming 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 CO2 equivalent Formula to calculate the quantity in CO2 equivalent tonnes GWP value of the refrigerant total refrigerant charge in kg 1000 14 ...

Page 65: ... the following at least once a year 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 14 4 About the compressor When servicing the compressor keep in mind following precautions DANGER RISK OF ...

Page 66: ...t ALWAYS make sure that the unit is disconnected from the mains Turn off the respective circuit breaker When a safety device was activated stop the unit and find out why the safety device was activated before resetting it NEVER shunt safety devices or change their values to a value other than the factory default setting If you are unable to find the cause of the problem call your dealer WARNING Pr...

Page 67: ...of the piping and the drain hose is complete Improperly connected drainage Secure the drainage 15 3 4 Symptom Electrical leakage Possible causes Corrective action The unit is NOT earthed correctly Check and correct the connection of the earth wiring 15 3 5 Symptom Priority room setting does NOT function Possible causes Corrective action The priority room setting may be set for more than 1 room Onl...

Page 68: ...r worked or freeze up in operating unit or stand by unit Overload relay worked or high discharge pipe temperature b Faulty compressor start Input over current Thermistor or CT abnormality b High temperature switch box High temperature at inverter circuit heat sink Output over current b Refrigerant shortage b Low voltage to main circuit or over voltage to main circuit Reversing solenoid valve switc...

Page 69: ...eries 4P600463 1F 2022 05 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 a a Diagnosis may not apply to some cases For more details refer to the service manual ...

Page 70: ... the environment pump down when relocating the unit or when disposing of the unit 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 Do NOT use the unit s automatic pump down function with which you can collect all refrigerant from the system into the outdoor unit Possible consequence Self combustion and explosi...

Page 71: ...p 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 2 Set DIP switch SW5 and SW6 to OFF 3 Set DIP switch SW2 to COOL 4 3 2 1 2 1 4 3 2 1 2 1 HEAT COOL A 1 2 3 4 5 2 3 SW5 SW6 SW2 OFF ON 1 1 4 Reattach the service PCB switch cover 5...

Page 72: ...16 Disposal Installer reference guide 72 3AMXF A9 3AMXF A9 3AMXM N9 R32 Split series 4P600463 1F 2022 05 8 Close switch box cover and service cover ...

Page 73: ...t numbering is by Arabic numbers in ascending order for each part and is represented in the overview below by in the part code Symbol Meaning Symbol Meaning Circuit breaker Protective earth Connection Protective earth screw Connector A Rectifier Earth Relay connector Field wiring Short circuit connector Fuse Terminal INDOOR Indoor unit Terminal strip OUTDOOR Outdoor unit Wire clamp Residual curren...

Page 74: ...HAP Light emitting diode service monitor green HIGH VOLTAGE High voltage IES Intelligent eye sensor IPM Intelligent power module K R KCR KFR KHuR K M Magnetic relay L Live L Coil L R Reactor M Stepper motor M C Compressor motor M F Fan motor M P Drain pump motor M S Swing motor MR MRCW MRM MRN Magnetic relay N Neutral n N Number of passes through ferrite core PAM Pulse amplitude modulation PCB Pri...

Page 75: ... T Thermostat S RH Humidity sensor S W SW Operation switch SA F1S Surge arrester SR WLU Signal receiver SS Selector switch SHEET METAL Terminal strip fixed plate T R Transformer TC TRC Transmitter V R V Varistor V R Diode bridge Insulated gate bipolar transistor IGBT power module WRC Wireless remote controller X Terminal X M Terminal strip block Y E Electronic expansion valve coil Y R Y S Reversin...

Page 76: ...s t s t r A r B r C s t s t s t u u u d p o o n l l m l w x v A v B v C v A v B v C q h 3MXF68 7 9CuT 7 9CuT 7 9CuT 7 9CuT 12 7CuT M 12 7CuT 12 7CuT 9 5CuT 12 7CuT 12 7CuT 12 7CuT 12 7CuT 12 7CuT 12 7CuT 15 9CuT 15 9CuT 15 9CuT 7 9CuT 9 5CuT 12 7CuT 7 9CuT 7 9CuT 7 9CuT MV MV MV A B C 6 4CuT 6 4CuT 6 4CuT 6 4CuT 6 4CuT 6 4CuT 9 5CuT 9 5CuT 9 5CuT 9 5CuT 7 9CuT S1PH d e f k a b c g i d v A v B v C ...

Page 77: ...ce guide 77 3AMXF A9 3AMXF A9 3AMXM N9 R32 Split series 4P600463 1F 2022 05 h Distributor r Electronic expansion valve Refrigerant flow cooling i Muffler with filter s Thermistor liquid Refrigerant flow heating j Solenoid valve t Filter ...

Page 78: ...r application explaining how to install configure and maintain it Operation manual Instruction manual specified for a certain product or application explaining how to operate it Maintenance instructions Instruction manual specified for a certain product or application which explains if relevant how to install configure operate and or maintain the product or application Accessories Labels manuals i...

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Daikin 3AMXF52A2V1B9, Installer'S Reference Manual

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