Daikin RXTM30R2V1B User Manual Download

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Installer reference guide

R32 split series

RXTA30B2V1B
RXTM30R2V1B
RXTM40R2V1B
RXTP25R2V1B
RXTP35R2V1B
ARXTP25R2V1B
ARXTP35R2V1B

Summary of Contents for RXTM30R2V1B

Page 1: ...Installer reference guide R32 split series RXTA30B2V1B RXTM30R2V1B RXTM40R2V1B RXTP25R2V1B RXTP35R2V1B ARXTP25R2V1B ARXTP35R2V1B...

Page 2: ...ounting 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 30 7 Pi...

Page 3: ...to the user 56 14 Maintenance and service 57 14 1 Overview Maintenance and service 57 14 2 Maintenance safety precautions 57 14 3 Checklist for yearly maintenance of the outdoor unit 58 14 4 About th...

Page 4: ...oor 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...

Page 5: ...n 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...

Page 6: ...ntation Installer reference guide 6 RXTM R_RXTP R_ARXTP R_RXTA B R32 split series 4P518023 11H 2021 03 Symbol Explanation Indicates a table title or a reference to it Example 1 3 Table title means Tab...

Page 7: ...nal equipment and spare parts made or approved by Daikin WARNING Make sure installation testing and applied materials comply with applicable legislation on top of the instructions described in the Dai...

Page 8: ...ere 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 leakage...

Page 9: ...shall be designed and installed such as to minimise the likelihood of hydraulic shock damaging the system The indoor equipment and pipes shall be securely mounted and guarded such that accidental rupt...

Page 10: ...min 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: ...o 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...

Page 12: ...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 liqui...

Page 13: ...use electrical shock or fire When installing the earth leakage protector make sure it is compatible with the inverter resistant to high frequency electric noise to avoid unnecessary opening of the ear...

Page 14: ...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 ex...

Page 15: ...lation is hazardous It can also cause vibrations or unusual operating noise Provide sufficient service space Do NOT install the unit so that it is in contact with a ceiling or a wall as this may cause...

Page 16: ...eration oil for R32 Do NOT reuse joints CAUTION 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 T...

Page 17: ...specified amount of refrigerant WARNING NEVER directly touch any accidental leaking refrigerant This could result in severe wounds caused by frostbite Electrical installation see 9 Electrical installa...

Page 18: ...This could result in electrical shock or fire WARNING Keep the interconnection wiring away from copper pipes without thermal insulation as such pipes will be very hot DANGER RISK OF ELECTROCUTION All...

Page 19: ...SK OF BURNING SCALDING WARNING Before carrying out any maintenance or repair activity ALWAYS switch off the circuit breaker on the supply panel remove the fuses or open the protection devices of the u...

Page 20: ...e 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 I...

Page 21: ...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 When handling the unit take int...

Page 22: ...mage If the aluminum fins on the unit are bent straighten them with 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 th...

Page 23: ...03 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 su...

Page 24: ...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...

Page 25: ...00 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 othe...

Page 26: ...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...

Page 27: ...hat 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...

Page 28: ...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 When The outdoor and ind...

Page 29: ...ite 424 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 rubbe...

Page 30: ...aterproof 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 NOTICE If the unit is insta...

Page 31: ...6 Unit installation Installer reference guide 31 RXTM R_RXTP R_ARXTP R_RXTA B R32 split series 4P518023 11H 2021 03...

Page 32: ...utions when checking the refrigerant piping 39 7 3 3 To check for leaks 39 7 3 4 To perform vacuum drying 40 7 1 Preparing refrigerant piping 7 1 1 Refrigerant piping requirements INFORMATION Also rea...

Page 33: ...20 mm to prevent condensation on the surface of the insulation 7 1 3 Refrigerant piping length and height difference What Distance Maximum allowable pipe length 20 m Minimum allowable pipe length 1 5...

Page 34: ...on oil for R32 Do NOT reuse joints CAUTION 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 dr...

Page 35: ...n when the compressor is run air will be sucked in This will cause abnormal pressure in the refrigeration cycle which may result in equipment damage and even injury 7 2 3 Guidelines when connecting th...

Page 36: ...t surface facing down so that the chips do NOT enter the pipe a b a Cut exactly at right angles b Remove burrs 3 Remove the flare nut from the stop valve and put the flare nut on the pipe 4 Flare the...

Page 37: ...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 t...

Page 38: ...ossible 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 outdoor unit a b c a Liquid...

Page 39: ...ute Make sure the pump oil 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...

Page 40: ...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 minutes and check the pressure If the pressure Then Does not change There is no moistur...

Page 41: ...518023 11H 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 v...

Page 42: ...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 condition...

Page 43: ...ources e g open flames an operating gas appliance or an operating electric heater The room size shall be as specified in the General safety precaution WARNING Do NOT pierce or burn refrigerant cycle p...

Page 44: ...mount 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 refri...

Page 45: ...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 greenhouse ga...

Page 46: ...pically 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 Connect...

Page 47: ...between the contact point gaps that provide full disconnection under overvoltage category III WARNING If the supply cord is damaged it MUST be replaced by the manufacturer its service agent or simila...

Page 48: ...ead wire h DB1 diode bridge 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 th...

Page 49: ...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 a b 4 0 mm2 b...

Page 50: ...ssive strip length may cause electrical shock or leakage 3 Open the wire clamp 4 Connect the interconnection cable and power supply as follows 50 Hz 220 240 V c d f a b e a Interconnection cable b Pow...

Page 51: ...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 52: ...e 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 J12 6V R714 R713 R712 R7...

Page 53: ...54 12 5 To perform a test run 54 12 6 Starting up the outdoor unit 55 12 1 Overview Commissioning This chapter describes what you have to do and know to commission the system after it is installed Ty...

Page 54: ...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 T...

Page 55: ...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 26 28 C in heating mode 20 24 C...

Page 56: ...ar 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 e...

Page 57: ...r maintenance intervals 14 1 Overview Maintenance and service This chapter contains information about Maintenance safety precautions The yearly maintenance of the outdoor unit 14 2 Maintenance safety...

Page 58: ...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 servici...

Page 59: ...ective 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 valu...

Page 60: ...nit 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...

Page 61: ...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 operat...

Page 62: ...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...

Page 63: ...d 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 c...

Page 64: ...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 Magneti...

Page 65: ...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...

Page 66: ...uT 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 l Accumulator b Field piping gas m Muffler c Liquid stop...

Page 67: ...r 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 instructio...

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Daikin RXTM30R2V1B, Installer'S Reference Manual

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