Daikin 3MXM40A2V1B9 User Manual Download

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Installer reference guide

R32 Split series

2MXM68A2V1B9

3MXM40A2V1B9
3MXM52A2V1B9
3MXM68A2V1B9

4MXM68A2V1B9
4MXM80A2V1B9

5MXM90A2V1B9

Summary of Contents for 3MXM40A2V1B9

Page 1: ...Installer reference guide R32 Split series 2MXM68A2V1B9 3MXM40A2V1B9 3MXM52A2V1B9 3MXM68A2V1B9 4MXM68A2V1B9 4MXM80A2V1B9 5MXM90A2V1B9...

Page 2: ...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...

Page 3: ...ioning 61 12 3 Checklist before commissioning 62 12 4 Checklist during commissioning 62 12 5 Trial operation and testing 63 12 5 1 About wiring error check 63 12 5 2 To perform a test run 64 12 6 Star...

Page 4: ...y lay persons INFORMATION This document only describes installation instructions specific to the outdoor unit For installation of the indoor unit mounting the indoor unit connecting the refrigerant pi...

Page 5: ...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...

Page 6: ...ing maintenance and service tasks read the service manual For more information see the installer and user reference guide The unit contains rotating parts Be careful when servicing or inspecting the u...

Page 7: ...onal 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 Da...

Page 8: ...here there is machinery that emits electromagnetic waves Electromagnetic waves may disturb the control system and cause malfunction of the equipment In places where there is a risk of fire due to the...

Page 9: ...iping in refrigerating systems such as to minimise the likelihood of hydraulic shock damaging the system Mount the indoor equipment and pipes securely and protect them to avoid accidental rupture of e...

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 2...

Page 11: ...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...

Page 12: ...efrigerant 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...

Page 13: ...WARNING 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 starti...

Page 14: ...he 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...

Page 15: ...ope 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 hazardo...

Page 16: ...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 indo...

Page 17: ...Electrical installation 449 WARNING All wiring MUST be performed by an authorised electrician and MUST comply with the applicable national wiring regulation Make electrical connections to the fixed wi...

Page 18: ...SK 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...

Page 19: ...OCUTION 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 glasse...

Page 20: ...g 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...

Page 21: ...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 install...

Page 22: ...the 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...

Page 23: ...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 Mu...

Page 24: ...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 covered CAUTION Check if...

Page 25: ...MATION Also read the following requirements 2 General safety precautions 47 7 1 3 Refrigerant piping length and height difference 434 Mind the following spacing guidelines 100 50 350 mm b a 100 50 b a...

Page 26: ...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 spectr...

Page 27: ...g 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...

Page 28: ...t If 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 t...

Page 29: ...autions and 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 t...

Page 30: ...path 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...

Page 31: ...Install 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...

Page 32: ...it 41 7 3 Checking the refrigerant piping 41 7 3 1 About checking the refrigerant piping 41 7 3 2 Precautions when checking the refrigerant piping 42 7 3 3 To check for leaks 42 7 3 4 To perform vacuu...

Page 33: ...iping material phosphoric acid deoxidised seamless copper Flare connections Only use annealed material Piping temper grade and thickness Outer diameter Temper grade Thickness t a 6 4 mm 1 4 9 5 mm 3 8...

Page 34: ...indoor unit installation manual for the maximum allowable refrigerant piping length and height difference The shorter the refrigerant piping the better the performance of the system The piping length...

Page 35: ...ng 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 out...

Page 36: ...n 1 day protect the piping as described in the following table to prevent dirt liquid or dust from entering the piping Use caution when passing copper tubes through walls see figure below Unit Install...

Page 37: ...45 90 2 A 9 5 33 39 12 8 13 2 12 7 50 60 16 2 16 6 15 9 62 75 19 3 19 7 7 2 4 Pipe bending guidelines Use a pipe bender for bending All pipe bends should be as gentle as possible bending radius should...

Page 38: ...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 t...

Page 39: ...r unit piping Coat the threaded connection port of the outdoor unit where the flare nut comes in with refrigeration oil Flare nut for mm Tightening torque N m 9 5 33 39 12 7 50 60 15 9 62 75 NOTICE Us...

Page 40: ...ide 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 To open close the stop v...

Page 41: ...op valve b Gas stop valve c Service port 2 Connect the gas refrigerant connection from the indoor unit to the gas stop valve of the outdoor unit NOTICE It is recommended that the refrigerant piping be...

Page 42: ...or other refrigerants may damage the pump and the unit NOTICE Connect the vacuum pump to the service port of the gas stop valve Make sure that the gas stop valve and liquid stop valve are firmly close...

Page 43: ...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 for at least 1 hour 5 If you do NOT reach the target vacuum...

Page 44: ...gerant Example When relocating the system After a leak Charging additional refrigerant Before charging additional refrigerant make sure the outdoor unit s external refrigerant piping is checked leak t...

Page 45: ...efrigerant inside the unit is mildly flammable but normally 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...

Page 46: ...ollowing 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 addi...

Page 47: ...erequisite Before charging refrigerant make sure the refrigerant piping is connected and checked leak test and vacuum drying 1 Connect the refrigerant cylinder to the service port 2 Charge the additio...

Page 48: ...on the inside of the outdoor unit near the gas and liquid stop valves 8 8 To check for refrigerant leaks after charging INFORMATION Applicable ONLY for combination with indoor units CVXM A9 FVXM A9 Al...

Page 49: ...oor 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...

Page 50: ...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 a...

Page 51: ...vides 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...

Page 52: ...terminal with the appropriate tool Use the following methods for installing wires Wire type Installation method Single core wire Or Stranded conductor wire twisted to solid like connection c b c a a...

Page 53: ...ble insulation and suitable for applicable voltage 4 core cable Minimum 1 5 mm2 Recommended circuit breaker See table below B Earth leakage circuit breaker residual current circuit breaker MUST comply...

Page 54: ...sure to connect correct wiring to correct room e B e E e C e D a A e A a C a D a E a B b c d a Terminal for room A B C D E b Circuit breaker c Residual current device d Power supply wire e Interconne...

Page 55: ...rical installation Installer reference guide 55 2MXM A9 3MXM A9 4MXM A9 5MXM A9 R32 Split series 4P600463 7G 2022 09 L N 1 2 3 1 2 3 2 a a Wire retainer 10 Reattach the switch box cover and the servic...

Page 56: ...s 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 a...

Page 57: ...mode lock 59 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...

Page 58: ...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 operat...

Page 59: ...h cover on the service PCB 2 Set the heat mode lock switch SW5 1 to ON 1 1 4 3 2 1 A 1 2 3 4 5 SW5 4 3 2 1 2 OFF ON 11 5 About cool mode lock Cool mode lock limits the unit to cool operation Forced op...

Page 60: ...11 Configuration Installer reference guide 60 2MXM A9 3MXM A9 4MXM A9 5MXM A9 R32 Split series 4P600463 7G 2022 09 4 VHR 5N SVH 21T 1 S15 1 3 5...

Page 61: ...63 12 5 1 About wiring error check 63 12 5 2 To perform a test run 64 12 6 Starting up the outdoor unit 65 12 1 Overview Commissioning This chapter describes what you have to do and know to commission...

Page 62: ...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 There are NO refrigerant leaks The refrigerant pipes...

Page 63: ...wiring that CANNOT be checked directly such as underground wiring This function CANNOT be used within 3 minutes after activating the safety breaker or when the outside air temperature is 5 C To perfor...

Page 64: ...anual of the indoor unit to make sure that all functions and parts are working properly 1 In cooling mode select the lowest programmable temperature In heating mode select the highest programmable tem...

Page 65: ...staller reference guide 65 2MXM A9 3MXM A9 4MXM A9 5MXM A9 R32 Split series 4P600463 7G 2022 09 12 6 Starting up the outdoor unit See the indoor unit installation manual for configuration and commissi...

Page 66: ...r 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 earlie...

Page 67: ...forming maintenance at least once a year However applicable legislation might require shorter maintenance intervals NOTICE Applicable legislation on fluorinated greenhouse gases requires that the refr...

Page 68: ...ck 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 blocke...

Page 69: ...NING When carrying out an inspection on the switch box of the unit ALWAYS make sure that the unit is disconnected from the mains Turn off the respective circuit breaker When a safety device was activa...

Page 70: ...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 Ch...

Page 71: ...tor 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 tem...

Page 72: ...series 4P600463 7G 2022 09 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 fau...

Page 73: ...ct 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 th...

Page 74: ...d e 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 cove...

Page 75: ...16 Disposal Installer reference guide 75 2MXM A9 3MXM A9 4MXM A9 5MXM A9 R32 Split series 4P600463 7G 2022 09 1 4 A 1 2 3 4 5 7 SW1 6 5 8 Close switch box cover and service cover...

Page 76: ...plied 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 in the part code Symb...

Page 77: ...H P LED V L 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 Magnet...

Page 78: ...sensor high S NPL Pressure sensor low S PH HPS Pressure switch 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 S...

Page 79: ...6 4CuT 6 4CuT 6 4CuT 9 5CuT 9 5CuT 9 5CuT 9 5CuT 7 9CuT S1PH SV 9 5CuT 9 5CuT 6 4CuT Solenoid valve 12 7CuT 15 9CuT d e f k a b c g i d r A r B s s t t u u d p o o n l l m l w x v A v B v A v B q h 2...

Page 80: ...CuT 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...

Page 81: ...uT 9 5CuT 12 7CuT 7 9CuT 7 9CuT 7 9CuT MV MV MV A B C 6 4CuT 6 4CuT 6 4CuT 9 5CuT 9 5CuT 9 5CuT 9 5CuT S1PH SV 9 5CuT 9 5CuT 6 4CuT 12 7CuT 7 9CuT MVD 6 4CuT 15 9CuT 12 7CuT 7 9CuT 7 9CuT 7 9CuT 7 9Cu...

Page 82: ...9CuT 12 7CuT 15 9CuT 9 5CuT 9 5CuT 9 5CuT d e f k a a b c g i j d r A r B r C r D r E s t s t s t s t s t v A v A v B v C v D v E v B v C v D v E u u u u u d p o o n l m l l w x q h y y 5MXM90 a Heat...

Page 83: ...or 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 instructi...

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