Daikin RXTA-N, Installer'S Reference Manual

Page 1: ...Installer reference guide R32 split series RXTM30N2V1B RXTM40N2V1B RXTP25N2V1B9 RXTP35N2V1B9 RXTP25N2V1B8 RXTP35N2V1B8 ARXTP25N2V1B ARXTP35N2V1B RXTA30N2V1B...

Page 2: ...3 Mounting the outdoor unit 29 6 3 1 About mounting the outdoor unit 29 6 3 2 Precautions when mounting the outdoor unit 30 6 3 3 To provide the installation structure 30 6 3 4 To install the outdoor...

Page 3: ...orm a test run 55 12 6 Starting up the outdoor unit 56 13 Hand over to the user 57 14 Maintenance and service 58 14 1 Overview Maintenance and service 58 14 2 Maintenance safety precautions 58 14 3 Ch...

Page 4: ...erant 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 co...

Page 5: ...ed 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 electroc...

Page 6: ...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 to...

Page 7: ...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 gui...

Page 8: ...example open flames an operating 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 sou...

Page 9: ...l 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 sha...

Page 10: ...8 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 7...

Page 11: ...cessive 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 Refrige...

Page 12: ...aterials 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...

Page 13: ...ity 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...

Page 14: ...rth 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 c...

Page 15: ...ICE 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...

Page 16: ...T install the unit so that it is in contact 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 exampl...

Page 17: ...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 bef...

Page 18: ...g 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 w...

Page 19: ...ng 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 out...

Page 20: ...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...

Page 21: ...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 to a circuit that is regularly turned ON an...

Page 22: ...llowing 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 the packed unit as close as possible to its final insta...

Page 23: ...e 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 b c d a e a General safety precautions b Outdoor...

Page 24: ...refrigerant inside this unit is mildly flammable INFORMATION For the operation limits see the latest technical data of the outdoor unit on the regional Daikin website publicly accessible 5 1 Overview...

Page 25: ...n 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 car...

Page 26: ...50 50 300 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 ea...

Page 27: ...n noise will cause no trouble INFORMATION The sound pressure level 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...

Page 28: ...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...

Page 29: ...n the service cover is removed 6 2 2 To open the outdoor unit DANGER RISK OF ELECTROCUTION DANGER RISK OF BURNING SCALDING 1 2 2 1 6 3 Mounting the outdoor unit 6 3 1 About mounting the outdoor unit W...

Page 30: ...ing the installation site 425 6 3 3 To provide the installation structure Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise Use a...

Page 31: ...on a frame install a waterproof 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 NOTIC...

Page 32: ...6 Unit installation Installer reference guide 32 RXTM30 40N2V1B RXTP25 35N2V1B9 RXTP25 35N2V1B8 ARXTP25 35N2V1B RXTA30N2V1B R32 split series 4P518023 7H 2020 08...

Page 33: ...nt piping 39 7 3 1 About checking the refrigerant piping 39 7 3 2 Precautions when checking the refrigerant piping 40 7 3 3 To check for leaks 40 7 3 4 To perform vacuum drying 41 7 1 Preparing refrig...

Page 34: ...n of the refrigeration system joining of parts with at least one part charged shall be performed taking into account the following requirements inside occupied spaces non permanent joints are not allo...

Page 35: ...T use mineral oil on flared part Do NOT reuse piping from previous installations NEVER install a drier to this R32 unit to guarantee its lifetime The drying material may dissolve and damage the system...

Page 36: ...is will cause abnormal pressure in the refrigeration cycle which may result in equipment damage and even injury 7 2 3 Guidelines when connecting the refrigerant piping Take the following guidelines in...

Page 37: ...3 Remove the flare nut from the stop valve and put the flare nut on the pipe 4 Flare the pipe Set exactly at the position as shown in the following figure A Flare tool for R32 clutch type Conventional...

Page 38: ...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 temperature is low sufficiently seal...

Page 39: ...d piping as short as possible Piping protection Protect the field piping against physical damage 1 Connect the liquid refrigerant connection from the indoor unit to the liquid stop valve of the outdoo...

Page 40: ...does not flow oppositely into the system while the pump is not working NOTICE Use this vacuum pump for R32 exclusively Using the same pump for other refrigerants may damage the pump and the unit NOTIC...

Page 41: ...em until the pressure on the manifold indicates 0 1 MPa 1 bar 2 Leave as is for 4 5 minutes and check the pressure If the pressure Then Does not change There is no moisture in the system This procedur...

Page 42: ...V1B R32 split series 4P518023 7H 2020 08 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 st...

Page 43: ...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...

Page 44: ...shall be stored in a room 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...

Page 45: ...he complete recharge amount 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 c...

Page 46: ...essories 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 flu...

Page 47: ...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...

Page 48: ...l pole disconnection type breaker with at least 3 mm between the contact point gaps that provide full disconnection under overvoltage category III WARNING If the supply cord is damaged it MUST be repl...

Page 49: ...es 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 wire Place the round crimp style termina...

Page 50: ...0 Hz Wire sizes 3 core cable 2 5 mm2 a b 4 0 mm2 b a H05RN F 60245 IEC 57 b H07RN F 60245 IEC 66 Interconnection cable indoor outdoor 4 core cable 1 5 mm2 2 5 mm2 and applicable for 220 240 V H05RN F...

Page 51: ...N2V1B8 ARXTP25 35N2V1B RXTA30N2V1B R32 split series 4P518023 7H 2020 08 50 Hz 220 240 V c d f a b e a Interconnection cable b Power supply cable c Circuit breaker d Residual current device e Power sup...

Page 52: ...vice 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 f...

Page 53: ...umper J6 on the PCB the operation range will expand to 15 C The facility mode will stop if the outdoor temperature drops below 20 C and resume when the temperature rises again 1 2 3 J5 J6 J8 J9 J11 J1...

Page 54: ...g DANGER RISK OF ELECTROCUTION DANGER RISK OF BURNING SCALDING CAUTION Do NOT perform the test operation while working on the indoor units When performing the test operation NOT only the outdoor unit...

Page 55: ...oor unit and the indoor unit Drainage Make sure drainage flows smoothly Possible consequence Condensate water might drip The indoor unit receives the signals of the user interface The specified wires...

Page 56: ...R32 split series 4P518023 7H 2020 08 INFORMATION Even if the unit is turned OFF it consumes electricity When the power turns back on after a power break the previously selected mode will be resumed 12...

Page 57: ...e 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...

Page 58: ...ains 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...

Page 59: ...essure 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 onl...

Page 60: ...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...

Page 61: ...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 wiri...

Page 62: ...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 ai...

Page 63: ...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 swi...

Page 64: ...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 brea...

Page 65: ...p 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 Coi...

Page 66: ...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 Select...

Page 67: ...6 4 CuT 6 4 CuT 9 5 CuT 7 9 CuT 9 5 CuT 9 5 CuT 12 7 CuT 9 5 CuT 9 5 CuT 9 5 CuT 6x7 0 CuT HPS 6 4 CuT k 12 7 CuT 6x3 2 CuT 6 4 CuT f h i j e a Field piping liquid b Field piping gas c Liquid stop va...

Page 68: ...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...

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Page 72: ...4P518023 7H 2020 08 Copyright 2019 Daikin Verantwortung f r Energie und Umwelt...