Daikin 2MXM50A2V1B User Manual Download

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Installer reference guide

R32 Split series

2MXM40A2V1B
2MXM50A2V1B

Summary of Contents for 2MXM50A2V1B

Page 1: ...Installer reference guide R32 Split series 2MXM40A2V1B 2MXM50A2V1B...

Page 2: ...the installation 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 refrigera...

Page 3: ...g commissioning 57 12 5 Trial operation and testing 58 12 5 1 To perform a test run 58 12 6 Starting up the outdoor unit 58 13 Hand over to the user 59 14 Maintenance and service 60 14 1 Overview Main...

Page 4: ...c to the outdoor unit For installation of the indoor unit mounting the indoor unit connecting the refrigerant piping to the indoor unit connecting the electrical wiring to the indoor unit see the inst...

Page 5: ...Indicates a situation that could result in explosion WARNING Indicates a situation that could result in death or serious injury WARNING FLAMMABLE MATERIAL CAUTION Indicates a situation that could resu...

Page 6: ...40 50A R32 Split series 4P600463 4E 2021 12 Symbol Explanation Indicates a figure title or a reference to it Example 1 3 Figure title means Figure 3 in chapter 1 Indicates a table title or a reference...

Page 7: ...applied materials comply with applicable legislation on top of the instructions described in the Daikin documentation CAUTION Wear adequate personal protective equipment protective gloves safety glass...

Page 8: ...es where there is a risk of fire due to the leakage of flammable gases example thinner or gasoline carbon fibre ignitable dust In places where corrosive gas example sulphurous acid gas is produced Cor...

Page 9: ...designed and installed such as to minimise the likelihood of hydraulic shock damaging the system The indoor equipment and pipes shall be securely mounted and guarded such that accidental rupture of eq...

Page 10: ...eiling 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...

Page 11: ...eficiency Toxic gas might be produced if refrigerant gas comes into contact with fire DANGER RISK OF EXPLOSION Pump down Refrigerant leakage If you want to pump down the system and there is a leak in...

Page 12: ...id filling siphon attached Charge with the cylinder upright A siphon tube is NOT present Charge with the cylinder upside down Open refrigerant cylinders slowly Charge the refrigerant in liquid form Ad...

Page 13: ...rical shock or fire When installing the earth leakage protector make sure it is compatible with the inverter resistant to high frequency electric noise to avoid unnecessary opening of the earth leakag...

Page 14: ...ch electrical component and terminal inside the electrical components box is connected securely Make sure all covers are closed before starting up the unit NOTICE ONLY applicable if the power supply i...

Page 15: ...s 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 a...

Page 16: ...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 runn...

Page 17: ...Establish proper earthing Do NOT earth the unit to a utility pipe surge absorber or telephone earth Incomplete earthing may cause electrical shock Install the required fuses or circuit breakers Secure...

Page 18: ...components For the location of the terminals see the wiring diagram Finishing the outdoor unit installation see 10 Finishing the outdoor unit installation 452 DANGER RISK OF ELECTROCUTION Make sure t...

Page 19: ...S wear safety glasses and protective gloves DANGER RISK OF EXPLOSION Use a pipe cutter to remove the compressor Do NOT use the brazing torch Use approved refrigerants and lubricants only DANGER RISK O...

Page 20: ...erence guide 20 2MXM40 50A R32 Split series 4P600463 4E 2021 12 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...

Page 21: ...ported 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 When handling the unit take into...

Page 22: ...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 2 Remove the accessories at the bottom of the package 2 1 1 1 1 c d e...

Page 23: ...ATION Depending on the units and or the installation conditions it might be necessary to connect electrical wiring before you can charge refrigerant WARNING MILDLY FLAMMABLE MATERIAL The refrigerant i...

Page 24: ...carrying the unit in and 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 co...

Page 25: ...recaution 6 1 1 Installation site requirements of the outdoor unit INFORMATION Also read the following requirements 2 General safety precautions 47 7 1 3 Refrigerant piping length and height differenc...

Page 26: ...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 m...

Page 27: ...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 operation...

Page 28: ...lateral 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 u...

Page 29: ...requirements 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 installa...

Page 30: ...come 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...

Page 31: ...alling 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...

Page 32: ...or unit 39 7 3 Checking the refrigerant piping 40 7 3 1 About checking the refrigerant piping 40 7 3 2 Precautions when checking the refrigerant piping 40 7 3 3 To check for leaks 41 7 3 4 To perform...

Page 33: ...s 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 Insulation thickness Pipe outer diameter p Insulation in...

Page 34: ...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...

Page 35: ...es unattended at the site If the installation is NOT done within 1 day protect the piping as described in the following table to prevent dirt liquid or dust from entering the piping Use caution when p...

Page 36: ...ng size mm Tightening torque N m Flare dimensions A mm Flare shape mm 6 4 15 17 8 7 9 1 R 0 4 0 8 2 45 90 2 A 9 5 33 39 12 8 13 2 12 7 50 60 16 2 16 6 7 2 4 Pipe bending guidelines Use a pipe bender f...

Page 37: ...erly 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...

Page 38: ...ful NOT to overtighten the nut or the smaller pipe may be damaged about 2 3 1 the normal torque 7 2 7 Using the stop valve and service port To handle the stop valve Take the following guidelines into...

Page 39: ...any further stop turning 4 Install the stop valve cover Result The valve is now open closed To handle the stem cap The stem cap is sealed where indicated with the arrow Do NOT damage it After handling...

Page 40: ...en factory tested for leaks You only have to check the outdoor unit s external refrigerant piping Before checking the refrigerant piping Make sure the refrigerant piping is connected between the outdo...

Page 41: ...exceed the unit s maximum working pressure see PS High on the unit name plate NOTICE ALWAYS use a recommended bubble test solution from your wholesaler NEVER use soap water Soap water may cause cracki...

Page 42: ...finished Increases There is moisture in the system Go to the next step 3 Vacuum the system for at least 2 hours to a manifold pressure of 0 1 MPa 1 bar 4 After turning the pump OFF check the pressure...

Page 43: ...harging 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 migh...

Page 44: ...ly flammable 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 app...

Page 45: ...RMATION If a complete recharge is necessary the total refrigerant charge is the factory refrigerant charge see unit name plate the determined additional amount 8 6 To charge additional refrigerant WAR...

Page 46: ...charge see unit name plate c Additional refrigerant amount charged d Total refrigerant charge e Quantity of fluorinated greenhouse gases of the total refrigerant charge expressed as tonnes CO2 equival...

Page 47: ...ollowing stages 1 Making sure the power supply system complies with the electrical specifications of the units 2 Connecting the electrical wiring to the outdoor unit 3 Connecting the electrical wiring...

Page 48: ...the contact point gaps that provide 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 quali...

Page 49: ...91 red liquid thermistor lead wire k S92 white gas thermistor lead wire l Multimeter DC voltage range 9 1 2 Guidelines when connecting the electrical wiring Keep the following in mind If stranded cond...

Page 50: ...t 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 60...

Page 51: ...m A to A B to B e A a A a B e B b c d 1 2 3 L N 1 2 3 f a Terminal for room A B b Circuit breaker c Residual current device d Power supply wire e Interconnection wire for room A B f Wire retainer 5 Ti...

Page 52: ...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...

Page 53: ...e prohibition setting This setting disables the input control signal from the user interface Use this setting when you wish to block reception of input controls cooling heating from indoor unit user i...

Page 54: ...e top plate and the electric box cover of the outdoor unit see 11 1 1 To turn ON ECONO mode prohibition setting 453 2 Cut the jumper J6 J26 J24 J23 J6 J22 J8 3 Reinstall the top plate and the electric...

Page 55: ...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 FTXM FTXP FTXJ FVXM ATXF If anot...

Page 56: ...testing 58 12 5 1 To perform a test run 58 12 6 Starting up the outdoor unit 58 12 1 Overview Commissioning This chapter describes what you have to do and know to commission the system after it is in...

Page 57: ...aged electrical components in the switch box There are NO damaged components or squeezed pipes on the inside of the indoor and outdoor units There are NO refrigerant leaks The refrigerant pipes gas an...

Page 58: ...working properly 1 In cooling mode select the lowest programmable temperature In heating mode select the highest programmable temperature 2 Measure the temperature at the indoor unit inlet and outlet...

Page 59: ...ser 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 th...

Page 60: ...intenance at least once a year However applicable legislation might require shorter maintenance intervals NOTICE Applicable legislation on fluorinated greenhouse gases requires that the refrigerant ch...

Page 61: ...owing 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 exch...

Page 62: ...rcuit 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 t...

Page 63: ...s 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 t...

Page 64: ...e 64 2MXM40 50A R32 Split series 4P600463 4E 2021 12 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 th...

Page 65: ...tion with which you can collect all refrigerant from the system into the outdoor unit Possible consequence Self combustion and explosion of the compressor because of air going into the operating compr...

Page 66: ...witch for at least 5 seconds Result Operation will start INFORMATION Forced cooling stops automatically after 15 minutes 2 To stop operation sooner press the ON OFF switch 16 3 2 To start and stop for...

Page 67: ...s 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 in the part code Symbol Meaning...

Page 68: ...Pilot lamp light emitting diode 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...

Page 69: ...high S PL Pressure switch low S 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 Tra...

Page 70: ...2 7CuT 6 4CuT 6 4CuT a b c d e f g g h i j A B A B k l l m n o o p q r s t n m i h g c c 2MXM50 A Room A k Field piping liquid B Room B l Liquid stop valve a 4 way valve ON heating m Thermistor liquid...

Page 71: ...tion 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 Instru...

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Daikin 2MXM50A2V1B, Installer'S Reference Manual

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