Daikin VRV-W IV User Manual Download

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INSTALLATION AND

OPERATION MANUAL

RWEYQ8T7Y1B
RWEYQ10T7Y1B

System Air Conditioner

4P347465-1A.book Page 1 Monday, August 5, 2013 2:26 PM

Summary of Contents for VRV-W IV

Page 1: ...INSTALLATION AND OPERATION MANUAL RWEYQ8T7Y1B RWEYQ10T7Y1B System Air Conditioner 4P347465 1A book Page 1 Monday August 5 2013 2 26 PM...

Page 2: ...2 3 1 10 19 3 4 15 18 16 9 2 5 21 20 11 13 12 6 7 18 8 14 SV SV INV HPS SV SV SV 1 2 5 6 7 8 9 10 11 12 13 15 16 18 17 21 19 20 18 3 4 18 17 1 2 3 4P347465 1A book Page 1 Monday August 5 2013 2 26 PM...

Page 3: ...mer i A og gjennom positiv bed mmelse av B if lge Sertifikat C som det fremkommer i den Tekniske Konstruksjonsfilen D og gjennom positiv bed mmelse av E Anvendt modul F G Risikokategori H Se ogs neste...

Page 4: ...tuur M C Jahutusaine N Surve turvaseadme seadistus P bar Tootmisnumber ja tootmisaasta vaadake mudeli andmeplaati 21 PS K bar TS TSmin L C TSmax PS M C N P bar 22 Maksimalus leistinas sl gis PS K bar...

Page 5: ...ortant information regarding the refrigerant used 31 16 3 Calculating the additional refrigerant charge 32 16 4 Method for adding refrigerant 32 17 Start up and configuration 33 17 1 Checks before ini...

Page 6: ...Danger of burning and scalding DANGER ELECTRICAL SHOCK Switch off all power supply before removing the electrical component box service panel or before making any connections or touching electrical pa...

Page 7: ...urrent from lightning or other sources may cause damage to the air conditioner Be sure to install an earth leakage breaker Failure to install an earth leakage breaker may result in electric shocks or...

Page 8: ...eous heating cooling is possible 1 Closed cooling tower 2 Boiler 3 VRV IV water cooled unit 4 VRV DX indoor unit 5 User interface Dedicated depending on indoor unit type 6 BS box Required in each indo...

Page 9: ...ded from the Daikin Extranet 3 6 Scope of the manual This manual describes the procedures for handling installing and connecting the VRV IV water cooled units This manual has been prepared to ensure a...

Page 10: ...ure 1 figure 2 and figure 3 1 Compressor INV 2 Plate heat exchanger 3 Receiver 4 Oil separator 5 Electronic expansion valve main Y1E 6 Electronic expansion valve sub cool Y3E 7 Solenoid valve 4 way va...

Page 11: ...g length See 9 Refrigerant pipe size and allowable pipe length on page 10 Be sure that sufficient precautions are taken in accordance with the applicable legislation in case of refrigerant leakage Tak...

Page 12: ...mit depending on room size Due to this it could be necessary to take measures against leakage Refer to 19 Caution for refrigerant leaks on page 42 7 Dimensions and service space 7 1 Dimensions of the...

Page 13: ...supplied accessories and dedicated parts as installation parts 1 Patch plates or clothes 2 Belt sling 8 3 Unpacking Remove the packaging material from the unit Take care not to damage the unit when re...

Page 14: ...into the system Tight R410A does not contain any chlorine does not destroy the ozone layer and does not reduce earth s protection against harmful ultraviolet radiation R410A can contribute slightly t...

Page 15: ...h counted from the outdoor unit side choose from the following table in accordance with the capacity of the outdoor unit e g Refnet joint a For Refnet joints other than the first branch e g Refnet joi...

Page 16: ...gth 2 pipe length between outdoor 1 and indoor units Total piping length total piping length from the outdoor 1 to all indoor units Difference in height between outdoor and indoor units H1 Difference...

Page 17: ...recovery system 1 6 Cooling only 7 8 H1 H2 Unit 1 REFNET joint A G BS units B1 B4 Indoor units 1 8 Heat recovery system 1 6 Cooling only 7 8 a b c d e 1 2 3 4 5 6 7 8 First outdoor branch s r p q n o...

Page 18: ...ulti outdoor unit system piping installation 9 7 1 Precautions when connecting piping between outdoor units To connect the piping between outdoor units an optional multi outdoor unit connection piping...

Page 19: ...when brazing the pipe joints Residue can clog pipes and break equipment Do not use flux when brazing copper to copper refrigerant piping Use phosphor copper brazing filler alloy BCuP which does not re...

Page 20: ...anual delivered with the kit 1 Horizontal surface 1 Mount the Refnet joint so that it branches either horizontally or vertically 2 Mount the Refnet header so that it branches horizontally Installation...

Page 21: ...as line stop valve turn the hexagonal wrench until a torque between 27 and 33 N m is achieved Inadequate torque may cause leakage of refrigerant and breakage of the stop valve cap Closing the stop val...

Page 22: ...e refrigerant piping Perform vacuum drying to remove all moisture air or nitrogen in the refrigerant piping If there is a possibility of moisture being present in the refrigerant piping first carry ou...

Page 23: ...tive measures as necessary for example by insulating the connection on the water pipe The connection port for water piping is located in the front The connection ports for drain piping are located in...

Page 24: ...ve and the outdoor unit for cleaning by chemicals For the purpose of cleaning and water draining from the outdoor unit water draining during a long period of non use in winter or at the start of seaso...

Page 25: ...was activated When the freezing protection device was activated during operation eliminate the cause before restarting operation If the freezing protection device was activated once a partial freezin...

Page 26: ...eatures against stainless steel and copper For details of the cleaning method ask the manufacturer of the related cleaning agent After cleaning has been completed check that the unit can be operated i...

Page 27: ...ver liquid pipe S1NPH Pressure sensor high S1NPL Pressure sensor low S1PH Pressure switch high S1S Selector switch S2S Selector switch T1A Current sensor A4P T1R Transformer V1CP Safety devices input...

Page 28: ...4 6 7 5 8 1 2 3 4 9 CAUTION Do not apply excessive force when opening the electrical component box cover Excessive force can deform the cover Minimum circuit ampere Recommended fuses RWEYQ8 10 RWEYQ16...

Page 29: ...2 6 Branch line 3 7 No branch is allowed after branch 8 Central user interface etc A Transmission wiring between outdoor unit and indoor unit s B Transmission wiring between outdoor units Never conne...

Page 30: ...s master unit 14 6 3 Power supply wiring and transmission wiring in the unit Make sure to connect the power wire to the power terminal block and fix it using attached clamp as shown below 1 Power supp...

Page 31: ...ing earth wires secure clearance of 50 mm or more away from compressor lead wires Failure to observe this instruction properly may adversely affect correct operation of other units connected to the sa...

Page 32: ...Interlock circuit of water pump 6 Outdoor outdoor transmission wiring 7 Use the conductor of sheathed wire 2 wire no polarity 14 6 6 Setting the cool heat operation type Performing cool heat setting w...

Page 33: ...established and normal the LED indication state will be as below H2P OFF default situation when shipped from factory BS1 MODE For changing the set mode BS2 SET For field setting BS3 RETURN For field...

Page 34: ...setting s value is done by pushing BS3 1 time To quit and return to the initial status press BS1 Changing the value of the selected setting in mode 2 Once mode 2 is selected push BS1 for more than 5...

Page 35: ...product see unit name plate 2 Additional refrigerant amount charged in the field 3 Total refrigerant charge 4 Contains fluorinated greenhouse gases covered by the Kyoto protocol 5 Outdoor unit 6 Refr...

Page 36: ...fer to the unit nameplate A parameter kg Heat pump system Heat recovery system 8 10 HP 3 kg 4 kg 16 20 HP 4 5 kg 6 5 kg 24 30 HP 6 kg 9 kg Inch piping size mm Weight factor Metric piping size mm Weigh...

Page 37: ...on Check that the unit is properly installed to avoid abnormal noises and vibrations when starting up the unit 2 Field wiring Be sure that the field wiring has been carried out according to the instru...

Page 38: ...rmed see 15 Making field settings on page 28 the monitoring mode mode 1 and mode 2 can be accessed Making settings is done via the master outdoor unit not through slave unit s 17 2 1 Mode 1 and Monito...

Page 39: ...1 0 16 x x c x x x x 1 0 8 x x x c x x x 1 0 4 x x x x c x x H1P H2P H3P H4P H5P H6P H7P x x w x x x x x x x w x x x x x x x w x x Value 2 8 Te target C 2 6 3 7 4 8 5 9 default 6 10 7 11 2 9 Tc targe...

Page 40: ...35 INFORMATION Even though no feedback is set 2 26 0 when the interlock is open the unit will go to forced thermo OFF conditions See 14 6 4 Setting the interlock circuit and pump operation output on p...

Page 41: ...value for cooling operation during heat recovery operation change field setting 2 9 3 default corresponding to Tc 43 C to the required value When the system is used as a heat recovery system the star...

Page 42: ...temporary base depending on the situation In case of heating operation the condense temperature is allowed to go up to 46 C on temporary base depending on the situation When the request from the indoo...

Page 43: ...Operation start C Operation time D Mild E Quick F Powerful Example Automatic mode during heating A Default automatic mode peak capacity B Load curve C Initial Tc value in automatic operation mode D D...

Page 44: ...a logbook with the equipment containing at least info on maintenance repair work results of tests stand by periods CAUTION Do not perform the test operation while working on the indoor units When perf...

Page 45: ...lity is properly corrected 18 2 Malfunction code list In case of a displayed malfunction code perform correcting actions as explained in the malfunction code table After correcting the abnormality ret...

Page 46: ...to 0 35 kg m3 for R407C and 0 44 kg m3 for R410A 1 Direction of the refrigerant flow 2 Room where refrigerant leak has occurred outflow of all the refrigerant from the system Pay special attention to...

Page 47: ...en terminals on the terminal block for power supply with a tester and confirm that the power supply is shut off In addition measure points as shown in the figure below with a tester and confirm that t...

Page 48: ...n the distance and acoustic environment For more details refer to sound level drawings in the technical data book RWEYQ8 RWEYQ10 Power supply name Y1 phase 3N frequency Hz 50 voltage V 380 415 Current...

Page 49: ...the products as per the subject of this manual Field supply Equipment which needs to be installed according to instructions in this manual but which are not supplied by Daikin 2 Introduction 2 1 Gener...

Page 50: ...shock and fire Do not place a flammable spray bottle near the air conditioner and do not use sprays Doing so may result in a fire Before cleaning be sure to stop the operation turn the breaker off or...

Page 51: ...may be damaged Never pull or twist the electric wire of the user interface It may cause the unit to malfunction Never inspect or service the unit by yourself Ask a qualified service person to perform...

Page 52: ...tch Operating the changeover remote control switch 1 Select operation mode with the cool heat changeover switch as follows Cooling operation Heating operation Fan only operation 2 Press the ON OFF but...

Page 53: ...r flow direction which may be different from the display The air flow direction can be adjusted in one of the following ways The air flow flap itself adjusts its position The air flow direction can be...

Page 54: ...unlight from entering a room during cooling operation by using curtains or blinds Ventilate often Extended use requires special attention to ventilation Keep doors and windows closed If the doors and...

Page 55: ...y the interior of the units Refer to 6 1 Cooling heating fan only and automatic operation on page 48 for details on fan only operation Turn off the power The user interface display disappears Clean ai...

Page 56: ...or unit When the tone of operating noise changes This noise is caused by the change of frequency Symptom 9 Dust comes out of the unit When the unit is used for the first time in a long time This is be...

Page 57: ...he manufacturing number stated on the nameplate of the unit The installation date The symptoms or malfunction and details of the defect 11 2 2 Recommended inspection and maintenance cycles Be aware th...

Page 58: ...ction indoor C1 Transmission malfunction between main PCB and sub PCB indoor C4 Heat exchanger thermistor malfunction indoor liquid C5 Heat exchanger thermistor malfunction indoor gas C9 Suction air t...

Page 59: ...fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent gases into the atmosphere Refrigerant type R410A GWP 1 value 1975 1 GWP global warming potential Periodical inspections for refr...

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