Daikin RXTJ30A2V1B User Manual Download

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Installer reference guide

R32 split series

RXTJ30A2V1B
RXTA30C2V1B
RXTM30A2V1B
RXTM40A2V1B
RXTP25A2V1B
RXTP35A2V1B

Summary of Contents for RXTJ30A2V1B

Page 1: ...Installer reference guide R32 split series RXTJ30A2V1B RXTA30C2V1B RXTM30A2V1B RXTM40A2V1B RXTP25A2V1B RXTP35A2V1B...

Page 2: ...e the installation structure 29 6 3 4 To install the outdoor unit 29 6 3 5 To provide drainage 30 7 Piping installation 31 7 1 Preparing refrigerant piping 31 7 1 1 Refrigerant piping requirements 31...

Page 3: ...13 1 Overview Maintenance and service 56 13 2 Maintenance safety precautions 56 13 3 Checklist for yearly maintenance of the outdoor unit 56 13 4 About the compressor 56 14 Troubleshooting 58 14 1 Ov...

Page 4: ...he 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 installati...

Page 5: ...n 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...

Page 6: ...re performing 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 inspec...

Page 7: ...are parts made or approved by Daikin unless otherwise specified WARNING Make sure installation testing and applied materials comply with applicable legislation on top of the instructions described in...

Page 8: ...e 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 lea...

Page 9: ...ng 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 equi...

Page 10: ...in 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 21...

Page 11: ...NING 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 to...

Page 12: ...hed 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...

Page 13: ...cuit NEVER use a power supply shared by another appliance Make sure to install the required fuses or circuit breakers Make sure to install an earth leakage protector Failure to do so may cause electri...

Page 14: ...crewdriver for tightening the terminal screws A screwdriver with a small head will damage the head and make proper tightening impossible Over tightening the terminal screws may break them Install powe...

Page 15: ...lation location can support the unit s weight Poor installation is hazardous It can also cause vibrations or unusual operating noise Provide sufficient service space Do NOT install the unit so that it...

Page 16: ...erant 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...

Page 17: ...ure side Do NOT use taped wires 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 eq...

Page 18: ...oor unit will operate as well Working on an indoor unit while performing a test operation is dangerous CAUTION Do NOT insert fingers rods or other objects into the air inlet or outlet Do NOT remove th...

Page 19: ...rvicing the compressor Reattach the switch box cover and service lid after servicing CAUTION ALWAYS wear safety glasses and protective gloves DANGER RISK OF EXPLOSION Use a pipe cutter to remove the c...

Page 20: ...f 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 DAN...

Page 21: ...lose 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 installation position When handli...

Page 22: ...o remove the accessories from the outdoor unit 1 Lift the outdoor unit 2 Remove the accessories at the bottom of the package 1 1 1 1 2 1 1 b c d a e f g a General safety precautions b Outdoor unit ins...

Page 23: ...3 5 About the unit WARNING MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable 5 1 Identification NOTICE When installing or servicing several units at the same time make sur...

Page 24: ...tall 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 the installation location can...

Page 25: ...0 mm b a 100 50 150 50 b b a 100 b a a b a 100 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...

Page 26: ...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 b...

Page 27: ...rect snowfall and take care that the outdoor unit is NEVER snowed up a b b c a Snow cover or shed b Prevailing wind direction c Air outlet It is recommended to provide at least 150 mm of free space be...

Page 28: ...is removed 6 2 2 To open the outdoor unit DANGER RISK OF ELECTROCUTION DANGER RISK OF BURNING SCALDING 1 2 6 3 Mounting the outdoor unit 6 3 1 About mounting the outdoor unit When The outdoor and ind...

Page 29: ...Preparing the installation site 424 6 3 3 To provide the installation structure Check the strength and level of the installation wall so that the unit will not cause any operating vibration or noise U...

Page 30: ...proof plate within 150 mm of the bottom side of the unit in order to prevent water from getting into the unit and to avoid drain water dripping see the following figure With drain socket drain hose tu...

Page 31: ...refrigerant piping 38 7 3 2 Precautions when checking the refrigerant piping 38 7 3 3 To check for leaks 39 7 3 4 To perform vacuum drying 39 7 1 Preparing refrigerant piping 7 1 1 Refrigerant piping...

Page 32: ...t p p If the temperature is higher than 30 C and the humidity is higher than RH 80 the thickness of the insulation materials should be at least 20 mm to prevent condensation on the surface of the ins...

Page 33: ...r 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 Gener...

Page 34: ...ations and sounds to the house Unit Installation period Protection method Outdoor unit 1 month Pinch the pipe 1 month Pinch or tape the pipe Indoor unit Regardless of the period NOTICE Do NOT open the...

Page 35: ...ause 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...

Page 36: ...ed 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...

Page 37: ...ter handling the stop valve tighten the stem cap and check for refrigerant leaks Stem cap Width across flats mm Tightening torque N m Liquid side 17 15 17 Gas side 22 21 28 To handle the service cap A...

Page 38: ...Typical workflow Checking the refrigerant piping typically consists of the following stages 1 Checking for leaks in the refrigerant piping 2 Performing vacuum drying to remove all moisture air or nitr...

Page 39: ...ap water may contain salt which absorbs moisture that will freeze when the piping gets cold Soap water contains ammonia which may lead to corrosion of flared joints between the brass flare nut and the...

Page 40: ...ours 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 or CANNOT maintain the vacuum for 1 hour do the...

Page 41: ...ging refrigerant 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 chec...

Page 42: ...rigerant 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 o...

Page 43: ...ount INFORMATION 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 refrig...

Page 44: ...rinated 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 fluorinated gr...

Page 45: ...onsists 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 e...

Page 46: ...sconnection 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 a hazard WAR...

Page 47: ...the round crimp style terminal on the wire up to the covered part and fasten the terminal with the appropriate tool Use the following methods for installing wires Wire type Installation method Single...

Page 48: ...current but not less than 2 5 mm2 Interconnection cable indoor outdoor Voltage 220 240 V Wire size Only use harmonised wire providing double insulation and suitable for applicable voltage 4 core cable...

Page 49: ...8 1 2023 03 f 50 Hz 220 240 V a b c d e a Interconnection cable b Power supply cable c Circuit breaker field provided fuse with 16 A rating d Residual current device e Power supply f Earth 1 L N 2 3 4...

Page 50: ...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...

Page 51: ...11 5 To perform a test run 52 11 6 Starting up the outdoor unit 53 11 1 Overview Commissioning This chapter describes what you have to do and know to commission the system after it is installed Typic...

Page 52: ...e 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 and liquid are thermally insulated...

Page 53: ...ble temperature In heating mode select the highest programmable temperature Test run can be disabled if necessary 2 When the test run is finished set the temperature to a normal level In cooling mode...

Page 54: ...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...

Page 55: ...uires that the refrigerant charge of the unit is indicated both in weight and CO2 equivalent Formula to calculate the quantity in CO2 equivalent tonnes GWP value of the refrigerant total refrigerant c...

Page 56: ...e 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...

Page 57: ...ly Turn the power off before servicing the compressor Reattach the switch box cover and service lid after servicing CAUTION ALWAYS wear safety glasses and protective gloves DANGER RISK OF EXPLOSION Us...

Page 58: ...at the unit is disconnected 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...

Page 59: ...it is NOT earthed correctly Check and correct the connection of the earth wiring 14 3 5 Symptom Unit does NOT function or burn damage Possible causes Corrective action The wiring was NOT performed in...

Page 60: ...own 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 operati...

Page 61: ...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 15 3 2 To start and...

Page 62: ...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 Mea...

Page 63: ...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...

Page 64: ...nsor 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 S...

Page 65: ...7CuT 7CuT 7CuT 7CuT 7CuT 6 4CuT 12 7CuT 12 7CuT 7CuT 6 4CuT 12 7CuT 6 4CuT 9 5CuT r i j n q l m m h c d s o k p a b e g f a Field piping liquid m Muffler b Field piping gas n ON heating 4 way valve c...

Page 66: ...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 instruction...

Page 67: ......

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