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General safety precautions

Installer reference guide

ARXM50-71+RXM42~7 RXP50~7 RXA42+5
RXF50+6 RXF7 RXJ5 ARXF50~71A2V1B
R32 split series
4P513661-9J – 2020.05

2 General safety precautions

2.1 About the documentation

▪

The original documentation is written in English. All other languages are
translations.

▪

The precautions described in this document cover very important topics, follow
them carefully.

▪

The installation of the system, and all activities described in the installation
manual and in the installer reference guide MUST be performed by an authorised
installer.

2.1.1 Meaning 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 BURNING/SCALDING

Indicates a situation that could result in burning/scalding because of extreme hot or
cold temperatures.

DANGER: RISK OF EXPLOSION

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 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:

Содержание ARXF50A2V1B

Страница 1: ...2 split series RXF50B2V1B RXF60B2V1B RXF71A2V1B ARXF50A2V1B ARXF60A2V1B ARXF71A2V1B RXP50M2V1B RXP60M2V1B RXP71M2V1B ARXM50R2V1B ARXM60R2V1B ARXM71R2V1B RXM42R2V1B RXM50R2V1B RXM60R2V1B RXM71R2V1B RXJ50N2V1B RXA42B2V1B RXA50B2V1B ...

Страница 2: ...o open the outdoor unit 30 6 2 3 To close the outdoor unit 30 6 3 Mounting the outdoor unit 31 6 3 1 About mounting the outdoor unit 31 6 3 2 Precautions when mounting the outdoor unit 31 6 3 3 To provide the installation structure 31 6 3 4 To install the outdoor unit 32 6 3 5 To provide drainage 32 6 3 6 To prevent the outdoor unit from falling over 33 7 Piping installation 35 7 1 Preparing refri...

Страница 3: ...ssioning 58 12 2 Checklist before commissioning 58 12 3 Checklist during commissioning 59 12 4 To perform a test run 59 12 5 Starting up the outdoor unit 60 13 Hand over to the user 61 14 Maintenance and service 62 14 1 Overview Maintenance and service 62 14 2 Maintenance safety precautions 62 14 3 Checklist for yearly maintenance of the outdoor unit 62 14 4 About the compressor 63 15 Troubleshoot...

Страница 4: ...ting the 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 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 I...

Страница 5: ... by an authorised installer 2 1 1 Meaning 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 BURNING SCALDING Indicates a situation that could result in burning scalding because of extreme hot or cold temperatures DANGER RISK OF EXPLOSION Indicates a situat...

Страница 6: ... to install or operate the unit contact 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 to return to normal temperature If you must touch it wear protective gloves Do NOT touch any accidental leaking refrigerant WARNING Improper installation or attachme...

Страница 7: ...ng down the system in case of an emergency 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 2 2 Installation site Provide sufficient space around the unit for servicing and air circulation Make sure the installation site withstands the weight and vibratio...

Страница 8: ...ing 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 conne...

Страница 9: ...tallation manual Outdoor units installed or stored indoors e g winter garden garage machinery room Pipework in unventilated spaces 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 in the system factory refrigerant charge additional refrigerant amount charged Conta...

Страница 10: ...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 32 7 0 31 0 3 4 98 4 7 0 417 3 6 8 20 7 2 32 8 3 6 110 7 2 441 3 8 9 14 7 4 34 7 3 8 123 7 4 466 4 0 10 1 7 6 36 6 4 0 136 7 6 492 4...

Страница 11: ...ssible 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 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 refrige...

Страница 12: ...event foreign materials from entering into the system Charge the liquid refrigerant as follows If Then A siphon tube is present i e the cylinder is marked with Liquid 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 Adding it in gas form may prevent norm...

Страница 13: ...sure water quality complies with EU directive 98 83 EC 2 2 6 Electrical DANGER RISK OF ELECTROCUTION Turn OFF all power supply before removing the switch box cover connecting electrical wiring or touching electrical parts 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 MUS...

Страница 14: ...ening of 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 current carrying cables first before separating the earth connection The length of the conductors between the power supply stress relief and the terminal block itself must be as such that the cu...

Страница 15: ... 9J 2020 05 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 break the compressor and other parts ...

Страница 16: ...ntact with a ceiling or a wall as this may cause vibrations WARNING The appliance shall be stored in a room without continuously operating ignition sources example open flames an operating gas appliance or an operating electric heater Opening and closing the unit see 6 2 Opening and closing the unit 430 DANGER RISK OF ELECTROCUTION Do NOT leave the unit unattended when the service cover is removed...

Страница 17: ...e 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 leakage CAUTION Do NOT open the valves before flaring is complete This would cause refrigerant gas leakage DANGER RISK OF EXPLOSION Do NOT start the unit if it is vacuumed Charging refrigerant see 8 Charging refrigerant 445 WAR...

Страница 18: ... 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 the electrical wiring with cable ties so that the cables do NOT come in contact with sharp edges or piping particularly on the high pressure side Do NOT use taped wires stranded conductor wires extension cord...

Страница 19: ...erminals of main circuit capacitors or electrical components before servicing The 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 indoor unit installation see 10 Finishing the outdoor unit installation 455 DANGER RISK OF ELECTROCUTION Make sure that the system is earthed properly Turn off the power supp...

Страница 20: ...ces of the unit Do NOT touch live parts for 10 minutes after the power supply is turned off because of high voltage risk Please note that some sections of the electric component box are hot Make sure you do NOT touch a conductive section 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 ...

Страница 21: ...fety 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 Prevent hazards due to inadvertent resetting of the thermal cut out power to this appliance MUST NOT be supplied through an external switching device such as a timer or connected...

Страница 22: ... MUST be checked for damage Any damage MUST 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 the path along which you want to bring the unit inside in advance When handling the unit take into account the following Fragile handle the unit with care Keep the unit upright...

Страница 23: ...B ARXF50 71A2V1B R32 split series 4P513661 9J 2020 05 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 at the bottom of the package 1 1 1 1 1 6 3 1 b e c d a f g h a General safety precautions b Outdoor unit installation manual ...

Страница 24: ...XA42 50B2V1B RXF50 60B2V1B RXF71A2V1B RXJ50N2V1B ARXF50 71A2V1B R32 split series 4P513661 9J 2020 05 c Fluorinated greenhouse gases label d Multilingual fluorinated greenhouse gases label e Drain plug located on the bottom of the packing case f Drain cap 1 g Drain cap 2 h Energy label ...

Страница 25: ... unit WARNING MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable 5 1 Overview About the unit This chapter contains information about Identification of the outdoor unit 5 2 Identification NOTICE When installing or servicing several units at the same time make sure NOT to switch the service panels between different models 5 2 1 Identification label Outdoor unit Location ...

Страница 26: ...allation 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 Choose an installation location with sufficient space for carrying the unit in and out of the site CAUTION Check if the installation location can support the unit s weight Poor installation is hazardous It can also cause v...

Страница 27: ...00 b a b a 350 350 50 b a a Air outlet b Air inlet NOTICE The height of the wall on the outlet side of the outdoor unit MUST be 1200 mm NOTICE Do NOT stack the units on each other Do NOT hang the unit on a ceiling Strong winds 18 km h blowing against the outdoor unit s air outlet causes short circuit suction of discharge air This may result in deterioration of the operational capacity frequent fro...

Страница 28: ...l 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 fall off or cause water leakage It is NOT recommended to install the unit in the following places because it may shorten the life of the unit Where the voltage fluctuates a lot In vehicles or vessels Where acidic or alkaline vapour is present Seaside installat...

Страница 29: ...old climates Protect the outdoor unit 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 least 150 mm of free space below the unit 300 mm for heavy snowfall areas Additionally make sure the unit is positioned at least 100 mm above the maximum expected level...

Страница 30: ...pen the unit Example When connecting the refrigerant piping When connecting the electrical wiring When maintaining or servicing the unit DANGER RISK OF ELECTROCUTION Do NOT leave the unit unattended when the service cover is removed 6 2 2 To open the outdoor unit DANGER RISK OF ELECTROCUTION DANGER RISK OF BURNING SCALDING 3 2 2 1 1 1 6 2 3 To close the outdoor unit NOTICE When closing the outdoor...

Страница 31: ...unit 3 Providing drainage 4 Preventing the unit from falling over 6 3 2 Precautions when mounting the outdoor unit INFORMATION Also read the precautions and requirements in the following chapters 2 General safety precautions 45 6 1 Preparing the installation site 426 6 3 3 To provide the installation structure Check the strength and level of the installation ground so that the unit will not cause ...

Страница 32: ... be evacuated properly Install the unit on a base to make sure that there is proper drainage in order to avoid ice accumulation Prepare a water drainage channel around the foundation to drain waste water away from the unit Avoid drain water flowing over the footpath so that it does NOT become slippery in case of ambient freezing temperatures If you install the unit on a frame install a waterproof ...

Страница 33: ... Drain port b Bottom frame c Drain plug d Hose field supply To close the drain holes and attach the drain socket NOTICE In cold areas do NOT use a drain socket hose and caps 1 2 with the outdoor unit Take adequate measures so that the evacuated condensate CANNOT freeze 1 Install drain caps 1 and 2 accessory Make sure the edges of the drain caps close off the holes completely a b a Bottom frame b D...

Страница 34: ...2V1B RXA42 50B2V1B RXF50 60B2V1B RXF71A2V1B RXJ50N2V1B ARXF50 71A2V1B R32 split series 4P513661 9J 2020 05 3 Insert a rubber sheet between the cables and the outdoor unit to prevent the cables from scratching the paint field supply 4 Attach the ends of the cables 5 Tighten the cables ...

Страница 35: ...refrigerant piping 42 7 3 2 Precautions when checking the refrigerant piping 42 7 3 3 To check for leaks 43 7 3 4 To perform vacuum drying 43 7 1 Preparing refrigerant piping 7 1 1 Refrigerant piping requirements INFORMATION Also read the precautions and requirements in the 2 General safety precautions 45 NOTICE The piping and other pressure containing parts shall be suitable for refrigerant Use p...

Страница 36: ...n 7 1 3 Refrigerant piping length and height difference What Distance Maximum allowable pipe length 30 m Minimum allowable pipe length 3 m Maximum allowable height distance 20 m 7 2 Connecting the refrigerant piping CAUTION No brazing or welding on site for units with R32 refrigerant charge during shipment During installation of the refrigeration system joining of parts with at least one part char...

Страница 37: ...t piping Keeping in mind the guidelines for Pipe bending Flaring pipe ends Using the stop valves 7 2 2 Precautions when connecting the refrigerant piping INFORMATION Also read the precautions and requirements in the following chapters 2 General safety precautions 45 7 1 Preparing refrigerant piping 435 DANGER RISK OF BURNING SCALDING CAUTION Use the flare nut fixed to the unit To prevent gas leaka...

Страница 38: ...rotection method Outdoor unit 1 month Pinch the pipe 1 month Pinch or tape the pipe Indoor unit Regardless of the period INFORMATION Do NOT open the refrigerant stop valve before checking the refrigerant piping When you need to charge additional refrigerant it is recommended to open the refrigerant stop valve after charging WARNING Connect the refrigerant piping securely before running the compres...

Страница 39: ...r 7 2 5 To flare the pipe end CAUTION Incomplete flaring may cause 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 leakage 1 Cut the pipe end with a pipe cutter 2 Remove burrs with the cut surface facing down so that the chips do NOT enter the pipe a b ...

Страница 40: ...igure shows the stop valve parts required when 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 ...

Страница 41: ...ed with the arrow Do NOT damage it After handling the stop valve tighten the stem cap and check for refrigerant leaks Piping Ø mm Tightening torque N m 6 4 22 28 9 5 33 39 12 7 49 59 15 9 61 74 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 ...

Страница 42: ...f the following stages 1 Checking for leaks in the refrigerant 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 che...

Страница 43: ...pper flare 1 Charge the system with 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 start the unit if it is vacuumed Connect the vacuum pu...

Страница 44: ...1 hour 5 If you do NOT reach the target vacuum or CANNOT maintain the vacuum for 1 hour do the following Check for leaks again Perform vacuum drying again NOTICE Make sure to open the stop valves after installing the refrigerant piping and performing vacuum drying Running the system with the stop valves closed may break the compressor INFORMATION After opening the stop valve it is possible that th...

Страница 45: ...a leak Charging additional refrigerant 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 ...

Страница 46: ... without continuously operating ignition sources example open flames an operating gas appliance or an operating electric heater WARNING Do NOT pierce or burn refrigerant cycle parts Do NOT use cleaning materials or means to accelerate the defrosting process other than those recommended by the manufacturer Be aware that the refrigerant inside the system is odourless WARNING The refrigerant inside t...

Страница 47: ...f 0 01 kg For other outdoor units If the total liquid piping length is Then 10 m Do NOT add additional refrigerant 10 m R total length m of liquid piping 10 m 0 020 R Additional charge kg rounded in units of 0 01 kg INFORMATION Piping length is the one way length of liquid piping 8 5 To determine the complete recharge amount INFORMATION If a complete recharge is necessary the total refrigerant cha...

Страница 48: ...ontains 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 refrigerant charge see unit name plate c Additional refrigerant amount charged d Total refrigerant charge e Quantity of fluorinated g...

Страница 49: ...The refrigerant piping is connected and checked The water piping is connected Typical workflow Connecting the electrical wiring typically consists of the following 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 to the indoor unit 4 Connecting the main pow...

Страница 50: ... 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 phase advancing capacitor will reduce performance and may cause accidents WARNING Use an all pole disconnection type breaker with at least 3 mm between the contact point gaps that provide full disconnectio...

Страница 51: ... a d e g f a Multimeter DC voltage range b S80 reversing solenoid valve lead wire c S20 electronic expansion valve lead wire d S40 thermal overload relay lead wire e S90 thermistor lead wire f LED g S70 fan motor lead wire 9 1 2 Guidelines when connecting the electrical wiring Keep the following in mind If stranded conductor wires are used install a round crimp style terminal on the end of the wir...

Страница 52: ... b Screw c Flat washer Allowed NOT allowed Tightening torques Item Tightening torque N m M4 X1M 1 2 1 3 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 sizes 3 core cable 2 5 mm2 4 0 mm2 H05RN F 60245 IEC 57 Interc...

Страница 53: ...C 61000 3 12 European International Technical Standard setting the limits for harmonic currents produced by equipment connected to public low voltage systems with input current 16 A and 75 A per phase 9 2 To connect the electrical wiring to the outdoor unit 1 Remove the switch box cover 2 2 1 1 2 Strip insulation 20 mm from the wires a b a Strip wire end to this point b An excessive strip length m...

Страница 54: ...0 71 RXM42 71R2V1B RXP50 71M2V1B RXA42 50B2V1B RXF50 60B2V1B RXF71A2V1B RXJ50N2V1B ARXF50 71A2V1B R32 split series 4P513661 9J 2020 05 f Earth 1 2 3 3 5 Tighten the terminal screws securely We recommend using a Phillips screwdriver 6 Install the switch box cover ...

Страница 55: ...tall the 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 Liqui...

Страница 56: ...1 Remove the top plate of the outdoor unit 2 Remove the front plate 3 Remove the drip proof cover 4 Cut jumper J6 on the outdoor unit PCB J6 J4 J9 J5 J7 J8 J12 b c d a a Front plate b Top plate c Drip proof cover d Jumpers INFORMATION The indoor unit may produce Intermittent noise due to the outdoor unit fan turning ON and or OFF Do NOT place humidifiers or other items which might raise humidity i...

Страница 57: ...ribed above WARNING Before connecting or disconnecting the connector make sure the power supply is turned off INFORMATION Selective connector for standby electricity saving is required if other than applicable indoor unit is connected 11 2 2 To turn on standby electricity saving function Prerequisite The main power supply MUST be turned off 1 Remove the service cover 2 Disconnect the selective sta...

Страница 58: ...ects into the air inlet or outlet Do NOT remove the fan guard When the fan is rotating at high speed it will cause injury NOTICE Be sure to turn on the power 6 hours before operation in order to have power running to the crankcase heater and to protect the compressor During test operation the outdoor unit and the indoor units will start up Make sure that the preparations of all indoor units are fi...

Страница 59: ...erconnection cable The fuses circuit breakers or locally installed protection devices are installed according to this document and have NOT been bypassed 12 3 Checklist during commissioning To perform an air purge To perform a test run 12 4 To perform a test run Prerequisite Power supply MUST be in the specified range Prerequisite Test run may be performed in cooling or heating mode Prerequisite T...

Страница 60: ...1 RXM42 71R2V1B RXP50 71M2V1B RXA42 50B2V1B RXF50 60B2V1B RXF71A2V1B RXJ50N2V1B ARXF50 71A2V1B R32 split series 4P513661 9J 2020 05 12 5 Starting up the outdoor unit See the indoor unit installation manual for configuration and commissioning of the system ...

Страница 61: ...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 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 un...

Страница 62: ...is chapter contains information about Maintenance safety precautions The yearly maintenance of the outdoor unit 14 2 Maintenance safety precautions DANGER RISK OF ELECTROCUTION DANGER RISK OF BURNING SCALDING NOTICE Risk of electrostatic discharge Before performing any maintenance or service work touch a metal part of the unit in order to eliminate static electricity and to protect the PCB WARNING...

Страница 63: ... 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 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 O...

Страница 64: ...ected 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 DANGER RISK OF ELECTROCUTION WARNING Prevent hazards ...

Страница 65: ...ossible causes Corrective action The unit is NOT earthed correctly Check and correct the connection of the earth wiring 15 3 5 Symptom Unit does NOT function or burn damage Possible causes Corrective action The wiring was NOT performed in accordance with the specifications Correct the wiring 15 4 Fault diagnosis using LED on outdoor unit PCB LED is Diagnosis flashing Normal Check the indoor unit O...

Страница 66: ... 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 explosion of the compressor because of air going into the operating compressor Use a separate recovery system so that the unit s compressor does NOT have to operate NOTICE During pump down operation stop the compressor before ...

Страница 67: ... indoor unit ON OFF switch 1 Press the ON OFF switch 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 forced cooling using the indoor unit user interface 1 Set the operation mode to cooling Refer to To perform a test run in the installation manual of the ind...

Страница 68: ...e 17 1 1 Unified wiring diagram legend For applied 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 Symbol Meaning Symbol Meaning Circuit breaker Protective earth Connection Protective earth screw Connector A Rectifier Earth Relay connector Field wiring Short...

Страница 69: ...FG Connector frame ground H Harness 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 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 ...

Страница 70: ...igerant leak detector S NPH Pressure 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 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 p...

Страница 71: ...T 12 7 CuT 9 5 CuT 6 4 CuT 9 5 CuT 6 4 CuT 6 4 CuT 6 4 CuT 6 4 CuT 4 0 CuT 4 0 CuT 9 5 CuT 12 7 CuT 12 7 CuT RXP50M RXF50B ARXF50A b a c d f h g j1 j3 j2 k m m m m m n o e l i i M a Liquid field piping j3 Discharge pipe thermistor b Gas field piping k Heat exchanger c Liquid stop valve l 4 way valve ON heating d Gas stop valve m Muffler e Liquid receiver n Compressor f Filter o Accumulator g Elect...

Страница 72: ...uT 12 7 CuT 12 7 CuT 12 7 CuT 12 7 CuT 9 5 CuT 6 4 CuT 9 5 CuT 6 4 CuT 6 4 CuT 6 4 CuT 6 4 CuT 4 0 CuT 4 0 CuT 4 0 CuT 9 5 CuT 12 7 CuT 12 7 CuT 6 4 CuT RXP60M RXP71M RXF60B RXF71A ARXF60A ARXF71A b a c d f h g j1 j3 j2 k m m m m m n M o e l i i i a Liquid field piping j3 Discharge pipe thermistor b Gas field piping k Heat exchanger c Liquid stop valve l 4 way valve ON heating d Gas stop valve m M...

Страница 73: ...uT 7 0 CuT 7 0 CuT 12 7 CuT 12 7 CuT 12 7 CuT 12 7 CuT 12 7 CuT 6 4 CuT 9 5 CuT 6 4 CuT 6 4 CuT 6 4 CuT 6 4 CuT 4 0 CuT 4 0 CuT 4 0 CuT 9 5 CuT 9 5 CuT 6 4 CuT 12 7 CuT b a c d m m m j3 n o l e j1 i i i j2 k f h g RXJ50N RXA42B RXA50B a Liquid field piping j3 Discharge pipe thermistor b Gas field piping k Heat exchanger c Liquid stop valve l 4 way valve ON heating d Gas stop valve m Muffler e Liqu...

Страница 74: ...CuT 9 5 CuT 9 5 CuT 9 5 CuT 9 5 CuT 9 5 CuT 6 4 CuT 6 4 CuT 6 4 CuT 6 4 CuT 6 4 CuT 6 4 CuT 12 7 CuT 12 7 CuT 7 0 CuT 7 0 CuT 7 0 CuT 7 0 CuT 7 0 CuT 7 0 CuT j3 b a c d f h g j1 i i i 4 0 CuT 4 0 CuT 4 0 CuT j2 m m m n M o e l k RXM42R a Liquid field piping j3 Discharge pipe thermistor b Gas field piping k Heat exchanger c Liquid stop valve l 4 way valve ON heating d Gas stop valve m Muffler e Liq...

Страница 75: ...nual specified for a certain product 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 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 ap...

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