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7

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Piping installation

Installer reference guide

35

RXF50~71D5V1B
R32 split series
4P519439-18T – 2022.06

7.2.1 About connecting the refrigerant piping

Before connecting the refrigerant piping

Make sure the outdoor and indoor unit are mounted.

Typical workflow

Connecting the refrigerant piping involves:

▪

Connecting the refrigerant piping to the indoor unit

▪

Connecting the refrigerant piping to the outdoor unit

▪

Insulating the refrigerant 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"

 [

4

 7]

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"7.1 Preparing refrigerant piping"

 [

4

 33]

DANGER: RISK OF BURNING/SCALDING

NOTICE

▪

Use the flare nut fixed to the unit.

▪

To prevent gas leakage, apply refrigeration oil ONLY to the inside of the flare. Use
refrigeration oil for R32 (FW68DA).

▪

Do NOT reuse joints.

NOTICE

▪

Do NOT 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.

Содержание RXP50N5V1B

Страница 1: ...Installer reference guide R32 split series RXP50N5V1B RXP60N5V1B RXP71N5V1B...

Страница 2: ...unting the outdoor unit 30 6 3 3 To provide the installation structure 30 6 3 4 To install the outdoor unit 31 6 3 5 To provide drainage 31 6 3 6 To prevent the outdoor unit from falling over 32 7 Pip...

Страница 3: ...enance and service 58 13 2 Maintenance safety precautions 58 13 3 Checklist for yearly maintenance of the outdoor unit 59 13 4 About the compressor 59 14 Troubleshooting 60 14 1 Overview Troubleshooti...

Страница 4: ...oor unit connecting 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...

Страница 5: ...ates 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 sit...

Страница 6: ...e unit contains rotating parts Be careful when servicing or inspecting the unit Symbols used in the documentation Symbol Explanation Indicates a figure title or a reference to it Example 1 3 Figure ti...

Страница 7: ...ctions described in the Daikin documentation WARNING Tear apart and throw away plastic packaging bags so that nobody especially children can play with them Possible risk suffocation WARNING Provide ad...

Страница 8: ...aces where there is a risk of fire due to the leakage of flammable gases example thinner or gasoline carbon fibre ignitable dust In places where corrosive gas example sulphurous acid gas is produced C...

Страница 9: ...cts Provide space for expansion and contraction of long runs of piping Design and install piping in refrigerating systems such as to minimise the likelihood of hydraulic shock damaging the system Moun...

Страница 10: ...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 3 2 2...

Страница 11: ...ake 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 oxyge...

Страница 12: ...t in liquid form Adding it in gas form may prevent normal operation CAUTION When the refrigerant charging procedure is done or when pausing close the valve of the refrigerant tank immediately If the v...

Страница 13: ...After finishing the electrical work confirm that each electrical component and terminal inside the electrical components box is connected securely Make sure all covers are closed before starting up th...

Страница 14: ...waves a distance of 1 meter may NOT be sufficient 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 reverse...

Страница 15: ...ne by an installer the choice of materials and installation shall comply with the applicable legislation In Europe EN378 is the applicable standard Installation site see 6 1 Preparing the installation...

Страница 16: ...he refrigerant piping is NOT connected and the stop valve is open when the compressor is run air will be sucked in This will cause abnormal pressure in the refrigeration cycle which may result in equi...

Страница 17: ...n 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 Secu...

Страница 18: ...an 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 453 DAN...

Страница 19: ...vicing 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 co...

Страница 20: ...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 DANGER RI...

Страница 21: ...x This chapter describes what you have to do after the box with the outdoor unit is delivered on site Keep the following in mind At delivery the unit MUST be checked for damage and completeness Any da...

Страница 22: ...B R32 split series 4P519439 18T 2022 06 4 2 Outdoor unit 4 2 1 To unpack the outdoor unit 1 2 3 4 2 2 To handle the outdoor unit CAUTION To avoid injury do NOT touch the air inlet or aluminium fins of...

Страница 23: ...a fin comb field supply 4 2 3 To 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 1 6 3 2 b e c d a f g h a General s...

Страница 24: ...out 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 sure NOT...

Страница 25: ...d out of the 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 CAUTION Check if t...

Страница 26: ...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 a...

Страница 27: ...al 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...

Страница 28: ...ect 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 f...

Страница 29: ...TION 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 3 Mounting the outdoor...

Страница 30: ...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 vibration proof rubber field...

Страница 31: ...me 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 prevent water from getting i...

Страница 32: ...close off the holes completely a b a Bottom frame b Drain cap 2 Install the drain socket a c b b b a a a Drain hole Install a drain cap 2 b Drain hole Install a drain cap 1 c Drain hole for drain sock...

Страница 33: ...ns when checking the refrigerant piping 40 7 3 3 To check for leaks 41 7 3 4 To perform vacuum drying 41 7 1 Preparing refrigerant piping 7 1 1 Refrigerant piping requirements CAUTION Piping and joint...

Страница 34: ...f 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 insulation...

Страница 35: ...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 saf...

Страница 36: ...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 refrigerant stop valve before checking the refrigerant...

Страница 37: ...efrigerant 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 leakag...

Страница 38: ...n 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...

Страница 39: ...re indicated with the arrow Do NOT damage it After 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 1...

Страница 40: ...is connected between the outdoor unit and the indoor unit Typical workflow Checking the refrigerant piping typically consists of the following stages 1 Checking for leaks in the refrigerant piping 2...

Страница 41: ...ler NEVER use soap water Soap water may cause cracking of components such as flare nuts or stop valve caps Soap water may contain salt which absorbs moisture that will freeze when the piping gets cold...

Страница 42: ...next step 3 Vacuum the system for at least 2 hours 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 o...

Страница 43: ...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 mi...

Страница 44: ...de 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 or the formati...

Страница 45: ...erant WARNING Only use R32 as refrigerant Other substances may cause explosions and accidents R32 contains fluorinated greenhouse gases Its global warming potential GWP value is 675 Do NOT vent these...

Страница 46: ...l refrigerant amount charged d Total refrigerant charge e Quantity of fluorinated greenhouse gases of the total refrigerant charge expressed as tonnes CO2 equivalent f GWP Global warming potential NOT...

Страница 47: ...iring 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...

Страница 48: ...MUST be installed in accordance with national wiring regulations WARNING All wiring MUST be performed by an authorised electrician and MUST comply with the applicable legislation Make electrical conn...

Страница 49: ...aker with at least 3 mm between the contact point gaps that provides full disconnection under overvoltage category III WARNING If the supply cord is damaged it MUST be replaced by the manufacturer its...

Страница 50: ...lowed 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 st...

Страница 51: ...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 service cover See 6 2 2 To open the outdoor unit 429 2 Remove the switch box c...

Страница 52: ...nstaller reference guide 52 RXF50 71D5V1B R32 split series 4P519439 18T 2022 06 1 2 3 3 6 Tighten the terminal screws securely We recommend using a Phillips screwdriver 7 Install the service cover 8 I...

Страница 53: ...he 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 f...

Страница 54: ...ROCUTION 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 but the connected indo...

Страница 55: ...oor 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 are used for the int...

Страница 56: ...022 06 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 11 5 Starting up the outdoor uni...

Страница 57: ...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 t...

Страница 58: ...maintenance at least once a year However applicable legislation might require shorter maintenance intervals NOTICE Applicable legislation on fluorinated greenhouse gases requires that the refrigerant...

Страница 59: ...llowing at least once a year Heat exchanger The heat exchanger of the outdoor unit can get blocked up due to dust dirt leaves etc It is recommended to clean the heat exchanger yearly A blocked heat ex...

Страница 60: ...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 NEVER...

Страница 61: ...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 accord...

Страница 62: ...nction 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 com...

Страница 63: ...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 stop f...

Страница 64: ...rts 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 Meani...

Страница 65: ...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...

Страница 66: ...igh 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 Selecto...

Страница 67: ...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 RXP50N 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...

Страница 68: ...T RXP60N RXP71N 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...

Страница 69: ...cation 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 Inst...

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Страница 72: ...ANBUL T RK YE Tel 0216 453 27 00 Faks 0216 671 06 00 a r Merkezi 444 999 0 Web www daikin com tr G lsuyu Mahallesi Fevzi akmak Caddesi Bur ak Sokak No 20 34848 Maltepe 4P519439 18T 2022 06 Copyright 2...

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