Daikin 3MXM40N2V1B9 Installer'S Reference Manual Download Page 22

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About the box

Installer reference guide

3(A)MXM+3(A)MXF+4MXM+5MXM

R32 Split series

4P600463-1D – 2021.03

Outdoor unit installation manual

General safety precautions

Fluorinated greenhouse gases label

Multilingual fluorinated greenhouse gases label

Drain socket

Screw bag. The screws will be used for fixing the electrical wire anchor bands.

Drain cap (small)

Drain cap (large)

Reducer assembly

Energy label

Summary of Contents for 3MXM40N2V1B9

Page 1: ...guide R32 Split series 2MXM68N2V1B 3MXM40N2V1B9 3MXM40N2V1B8 3MXM40N2V1B7 3MXM52N2V1B9 3MXM52N2V1B8 3MXM52N2V1B7 3MXM68N2V1B9 3AMXM52N2V1B9 3AMXF52A2V1B9 3MXF52A2V1B9 3MXF68A2V1B9 4MXM68N2V1B9 4MXM80...

Page 2: ...when mounting the outdoor unit 29 6 3 3 To provide 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 3...

Page 3: ...2 Precautions when commissioning 61 12 3 Checklist before commissioning 62 12 4 Checklist during commissioning 62 12 5 Trial operation and testing 62 12 5 1 About wiring error check 63 12 5 2 To perfo...

Page 4: ...refrigerant 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...

Page 5: ...aning 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...

Page 6: ...act your dealer DANGER RISK OF BURNING SCALDING Do NOT touch the refrigerant piping water piping or internal parts during and immediately after operation It could be too hot or too cold Give it time t...

Page 7: ...rgency Name and address of fire department police and hospital Name address and day and night telephone numbers for obtaining service In Europe EN378 provides the necessary guidance for this logbook 2...

Page 8: ...vices 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 t...

Page 9: ...machinery room NOTICE Pipework shall be protected from physical damage Installation of pipework shall be kept to a minimum To determine the minimum floor area 1 Determine the total refrigerant charge...

Page 10: ...1 7 6 36 6 4 0 136 7 6 492 4 2 11 2 7 8 38 5 4 2 150 7 8 518 4 4 12 3 4 4 165 m kg Amin m2 4 6 20 0 4 8 21 8 5 0 23 6 1 842 5 2 25 6 1 843 4 45 5 4 27 6 2 0 4 83 5 6 29 7 2 2 5 31 5 8 31 8 2 4 5 79 6...

Page 11: ...release them directly into the environment Use a vacuum pump to evacuate the installation NOTICE After all the piping has been connected make sure there is no gas leak Use nitrogen to perform a gas le...

Page 12: ...Possible consequence Incorrect refrigerant amount 2 2 4 Electrical DANGER RISK OF ELECTROCUTION Turn OFF all power supply before removing the switch box cover connecting electrical wiring or touching...

Page 13: ...the earth leakage protector CAUTION When connecting the power supply connect the earth cable first before making the current carrying connections When disconnecting the power supply disconnect the cu...

Page 14: ...x is connected securely Make sure all covers are closed before starting up the unit NOTICE Only applicable if the power supply is three phase and the compressor has an ON OFF starting method If there...

Page 15: ...continuously operating ignition sources example open flames an operating gas appliance or an operating electric heater Opening the unit see 6 2 Opening the unit 428 DANGER RISK OF ELECTROCUTION Do NO...

Page 16: ...refrigerant gas leakage Do NOT re use flares Use new flares to prevent refrigerant gas leakage Use flare nuts that are included with the unit Using different flare nuts may cause refrigerant gas leaka...

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 Secur...

Page 18: ...voltage MUST be less than 50 V DC before you can touch electrical components For the location of the terminals see the wiring diagram Finishing the outdoor unit installation see 10 Finishing the outd...

Page 19: ...ING WARNING 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...

Page 20: ...door 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 Bring t...

Page 21: ...MXM 5MXM R32 Split series 4P600463 1D 2021 03 1 2 4 2 2 To remove the accessories from the outdoor unit 1 Lift the outdoor unit CAUTION Only handle the outdoor unit as follows 2 Remove the accessories...

Page 22: ...a Outdoor unit installation manual b General safety precautions c Fluorinated greenhouse gases label d Multilingual fluorinated greenhouse gases label e Drain socket f Screw bag The screws will be use...

Page 23: ...e 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 MATE...

Page 24: ...s work place In case of construction works e g grinding works where a lot of dust is created the unit MUST be covered Choose an installation location with sufficient space for carrying the unit in and...

Page 25: ...00 mm of work space below the ceiling surface and 250 mm for piping and electrical servicing 250 300 mm NOTICE Do NOT stack the units on each other Do NOT hang the unit on a ceiling Strong winds 18 km...

Page 26: ...e a mineral oil mist spray or vapour may be present in the atmosphere Plastic parts may deteriorate and fall off or cause water leakage It is NOT recommended to install the unit in the following place...

Page 27: ...t against direct snowfall and take care that the outdoor unit is NEVER snowed up a b c c d a Snow cover or shed b Pedestal c Prevailing wind direction d Air outlet It is recommended to provide at leas...

Page 28: ...n the service cover is removed 6 2 2 To open the outdoor unit DANGER RISK OF ELECTROCUTION DANGER RISK OF BURNING SCALDING 3 2 1 6 3 Mounting the outdoor unit 6 3 1 About mounting the outdoor unit Whe...

Page 29: ...he 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...

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: ...7 2 8 To connect the refrigerant piping to the outdoor unit 42 7 3 Checking the refrigerant piping 42 7 3 1 About checking the refrigerant piping 42 7 3 2 Precautions when checking the refrigerant pip...

Page 33: ...t be required based on the indoor unit See 7 2 6 Connections between outdoor and indoor unit using reducers 438 for more information 7 1 2 Refrigerant piping insulation Use polyethylene foam as insula...

Page 34: ...nimum required space 2MXM68 3MXM40 3MXM52 3AMXM52 3MXF52 3AMXF52 4 7 m2 3MXM68 3MXF68 5 5 m2 4MXM68 6 5 m2 4MXM80 9 8 m2 5MXM90 10 4 m2 Shortest allowable length per room is 3 m Outdoor unit Refrigera...

Page 35: ...ork 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 outdoor and indoor...

Page 36: ...to prevent dirt liquid or dust from entering the piping Use caution when passing copper tubes through walls see figure below Unit Installation period Protection method Outdoor unit 1 month Pinch the p...

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 shoul...

Page 38: ...or 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 indoor unit installation manual for...

Page 39: ...2 7mm 20 25 35 2 4 4MXM68 A B 9 5 mm 15 20 25 35 42 a C D 12 7mm 15 20 25 35 42 a 2 4 42 50 60 4MXM80 A 9 5 mm 15 20 25 35 42 a B 12 7mm 15 20 25 35 42 a 2 4 42 50 60 C D 15 9 mm 15 20 25 35 42 a 5 6...

Page 40: ...lare nut for 9 5 mm e Inter unit piping Connecting a 9 5 mm pipe to a 12 7 mm gas pipe connection port a b d e c a Outdoor unit connection port b Reducer no 2 c Reducer no 4 d Flare nut for 12 7 mm e...

Page 41: ...n the stem cap as this could cause a refrigerant leak a b 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...

Page 42: ...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...

Page 43: ...frigerant piping 432 NOTICE Use a 2 stage vacuum pump with a non return valve that can evacuate to a gauge pressure of 100 7 kPa 1 007 bar 5 Torr absolute Make sure the pump oil does not flow opposite...

Page 44: ...Hi e Charging hoses f Vacuum pump g Service port h Valve lids i Gas stop valve j Liquid stop valve 1 Vacuum the system until the pressure on the manifold indicates 0 1 MPa 1 bar 2 Leave as is for 4 5...

Page 45: ...4P600463 1D 2021 03 INFORMATION After opening the stop valve it is possible that the pressure in the refrigerant piping does NOT increase This might be caused by e g the closed state of the expansion...

Page 46: ...nt 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 conditi...

Page 47: ...NING MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable WARNING The appliance shall be stored in a room without continuously operating ignition sources example open flames...

Page 48: ...0 020 R Additional charge kg rounded in units of 0 1 kg INFORMATION Piping length is the one way length of liquid piping INFORMATION Additional refrigerant charge is NOT allowed in case of combination...

Page 49: ...he 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 fluorin...

Page 50: ...y system complies with the electrical specifications of the heat pump 2 Connecting the electrical wiring to the outdoor unit 3 Connecting the electrical wiring to the indoor unit 4 Connecting the main...

Page 51: ...es extension cords or connections from a star system They can cause overheating electrical shock or fire Do NOT install a phase advancing capacitor because this unit is equipped with an inverter A pha...

Page 52: ...lead wire connector room A B C D E c S40 thermal overload relay lead wire and high pressure switch connector d Multimeter DC voltage range e S90 93 thermistor lead wire connector f S70 fan motor lead...

Page 53: ...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 A Interconnect...

Page 54: ...nsulation 20 mm from the wires a b a Strip wire 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...

Page 55: ...M 5MXM R32 Split series 4P600463 1D 2021 03 8 Pass the wiring through the cutout on the bottom of the protection plate 9 Make sure the electrical wiring does not contact with the gas piping L N 1 2 3...

Page 56: ...he 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 wrapp...

Page 57: ...cool 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...

Page 58: ...m 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 opera...

Page 59: ...h 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 op...

Page 60: ...11 Configuration Installer reference guide 60 2MXM68 3 A MXM 3 A MXF 4MXM 5MXM R32 Split series 4P600463 1D 2021 03 4 VHR 5N SVH 21T 1 S15 1 3 5...

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

Page 62: ...as and liquid on 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...

Page 63: ...ing 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...

Page 64: ...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 i...

Page 65: ...rly 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 Inform the user that he can find the comp...

Page 66: ...metal part of the unit in order to eliminate static electricity and to protect the PCB WARNING Before carrying out any maintenance or repair activity ALWAYS switch off the circuit breaker on the suppl...

Page 67: ...UTION 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 goggles...

Page 68: ...ains 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...

Page 69: ...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 70: ...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 71: ...series 4P600463 1D 2021 03 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 72: ...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 73: ...e 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 2 Remove the service cover and the switch box cover 3 Remove the ser...

Page 74: ...series 4P600463 1D 2021 03 A 1 2 3 4 5 7 SW1 6 1 4 5 NOTICE Take care that while running forced cooling operation the water temperature remains higher than 5 C see temperature read out of the indoor...

Page 75: ...e 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 Symbol Meaning Circuit breaker Protective earth...

Page 76: ...e 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 Stepp...

Page 77: ...nsor 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 I...

Page 78: ...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 2MXM68 a Heat exchanger k 4 way valve u Thermistor gas b Outdoo...

Page 79: ...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...

Page 80: ...CuT 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 9C...

Page 81: ...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 82: ...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 instruct...

Page 83: ......

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