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Maintenance and service

Installer reference guide

3(A)MXM+3(A)MXF+4MXM+5MXM
R32 Split series
4P600463-1D – 2021.03

14.4 About the compressor

When servicing the compressor keep in mind following precautions:

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 goggles 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 OF BURNING/SCALDING

Do NOT touch the compressor with bare hands.

Содержание 3MXM40N2V1B9

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 83: ......

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