Daikin VRV 5-S Series User Manual Download

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Installer and user reference guide

VRV 5-S system air conditioner

RXYSA4A7V1B
RXYSA5A7V1B
RXYSA6A7V1B

RXYSA4A7Y1B
RXYSA5A7Y1B
RXYSA6A7Y1B

Summary of Contents for VRV 5-S Series

Page 1: ...Installer and user reference guide VRV 5 S system air conditioner RXYSA4A7V1B RXYSA5A7V1B RXYSA6A7V1B RXYSA4A7Y1B RXYSA5A7Y1B RXYSA6A7Y1B...

Page 2: ...and automatic operation 35 8 2 3 About the heating operation 35 8 2 4 To operate the system WITHOUT cool heat changeover remote control switch 36 8 2 5 To operate the system WITH cool heat changeover...

Page 3: ...a 58 14 1 Information requirements for Eco Design 58 For the installer 59 15 About the box 60 15 1 Overview About the box 60 15 2 Outdoor unit 61 15 2 1 To unpack the outdoor unit 61 15 2 2 To handle...

Page 4: ...l wiring 101 20 1 2 Field wiring Overview 102 20 1 3 Guidelines when knocking out knockout holes 104 20 1 4 Guidelines when connecting the electrical wiring 104 20 1 5 About electrical compliance 105...

Page 5: ...service mode operation 142 25 4 1 To use vacuum mode 142 25 4 2 To recover refrigerant 143 26 Troubleshooting 144 26 1 Overview Troubleshooting 144 26 2 Precautions when troubleshooting 145 26 3 Solvi...

Page 6: ...or unit Outdoor unit installation and operation manual Installation and operation instructions Format Paper in the box of the outdoor unit Installer and user reference guide Preparation of the install...

Page 7: ...er 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 electrocution DANG...

Page 8: ...it contact your dealer DANGER RISK OF BURNING Do NOT touch the refrigerant piping water piping or internal parts during and immediately after operation It could be too hot or too cold Give it time to...

Page 9: ...n 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 guidance for this logb...

Page 10: ...age If you want to pump down the system and there is a leak in the refrigerant circuit Do NOT use the unit s automatic pump down function with which you can collect all refrigerant from the system int...

Page 11: ...e the refrigerant 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 imme...

Page 12: ...or other means for disconnection having a contact separation in all poles providing full disconnection under overvoltage category III condition MUST be installed in the fixed wiring WARNING ONLY use...

Page 13: ...use the designated power wire and connect firmly then secure to prevent outside pressure being exerted on the terminal board Use an appropriate screwdriver for tightening the terminal screws A screwdr...

Page 14: ...n of the unit See Service space Outdoor unit WARNING The appliance shall be stored in a room without continuously operating ignition sources example open flames an operating gas appliance or an operat...

Page 15: ...drier to this unit to guarantee its lifetime The drying material may dissolve and damage the system Charging refrigerant see 19 Charging refrigerant 492 WARNING The refrigerant inside the unit is mild...

Page 16: ...g may cause electrical shock Install the required fuses or circuit breakers Secure the electrical wiring with cable ties so that the cables do NOT come in contact with sharp edges or piping particular...

Page 17: ...nected to a circuit that is regularly turned ON and OFF by the utility 3 1 Instructions for equipment using R32 refrigerant WARNING MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly...

Page 18: ...shall be taken to avoid excessive vibration or pulsation to refrigeration piping Protection devices piping and fittings shall be protected as far as possible against adverse environmental effects Pro...

Page 19: ...the SVS output see 20 3 To connect the external outputs 4110 Indoor unit installation For installation of the indoor unit refer to the installation and operation manual delivered with the indoor unit...

Page 20: ...ontroller put in the same room as the indoor unit has to be in fully functional mode or alarm only mode For details about the different remote controller modes and how to set up please check the note...

Page 21: ...ntroller only acts as leak detection alarm for the whole system i e multiple indoor units and their respective controllers No other functionality is available The remote controller should be placed at...

Page 22: ...d d Group control system is not allowed Each indoor unit should be connected to a separate remote controller 6 a b d b d e f In room master remote controller in fully functional OR alarm only In supe...

Page 23: ...the areas of the rooms may be added up In this way it is possible to increase the Amin value used to calculate the maximum allowed charge One of the following 2 requirements must be met in order to a...

Page 24: ...m then use the charge limit of the graph for ceiling mounted units NOTICE Wall mounted units cannot be installed lower than 1 8 m from the lowest point of the floor Ceiling mounted units cannot be in...

Page 25: ...7 37 7 c 32 7 d 98 38 0 c 33 0 d 99 38 4 c 33 4 d 100 38 7 c 33 7 d 63 26 2 c 21 2 d 64 26 6 c 21 6 d 65 26 9 c 21 9 d 66 27 2 c 22 2 d 67 27 6 c 22 6 d 68 27 9 c v 22 9 d 69 28 3 c 23 3 d 72 29 3 c 2...

Page 26: ...dd additional countermeasures as described in applicable legislation SVS output or optional output PCB for indoor unit can be used to connect and activate the additional countermeasures e g mechanical...

Page 27: ...4 kg 10 4 kg therefore the maximum field piping charge is 9 4 kg smallest value Maximum field piping charge charge in system factory charge 9 4 kg 3 4 kg 6 kg Flow chart Procedure to check if smallest...

Page 28: ...For the user Installer and user reference guide 28 RXYSA4 6A7V Y1B VRV 5 S system air conditioner 4P600330 1 2020 01 For the user For the user...

Page 29: ...or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children shou...

Page 30: ...may NOT be mixed with unsorted household waste If a chemical symbol is printed beneath the symbol this chemical symbol means that the battery contains a heavy metal above a certain concentration Poss...

Page 31: ...ng operation WARNING Do NOT pierce or burn refrigerant cycle parts Do NOT use cleaning materials or means to accelerate the defrosting process other than those recommended by the manufacturer Be aware...

Page 32: ...accidentally leaks into a room where combustible air from fan heaters gas cookers etc is present Always have qualified service personnel confirm that the point of leakage has been repaired or correcte...

Page 33: ...inside are dangerous to touch and appliance problems may happen For checking and adjusting the internal parts contact your dealer This operation manual offers a non exhaustive overview of the main fun...

Page 34: ...ficiently if equipment with burner is used together with the system CAUTION Do NOT operate the system when using a room fumigation type insecticide Chemicals could collect in the unit and endanger the...

Page 35: ...witch 6 hours before operation If the main power supply is turned off during operation operation will restart automatically after the power turns back on again 8 2 2 About cooling heating fan only and...

Page 36: ...outside temperature falls If this happens use another heating device together with the unit When using together with appliances that produce open fire ventilate the room constantly Do not place appli...

Page 37: ...as follows Cooling operation 1 1 Heating operation 1 1 Fan only operation 1 2 Press the ON OFF button on the user interface Result The operation lamp lights up and the system starts operating To stop...

Page 38: ...3 Press the air flow direction adjust button only for double flow multi flow corner ceiling suspended and wall mounted Refer to 8 4 Adjusting the air flow direction 440 for details To stop 4 Press th...

Page 39: ...S system air conditioner 4P600330 1 2020 01 To stop 5 Press the ON OFF button on the user interface once again Result The operation lamp goes out and the system stops operating NOTICE Do not turn off...

Page 40: ...n When continuous operation with downward air flow is performed at the time of cooling with a ceiling suspended or a wall mounted unit the micro computer may control the flow direction and then the us...

Page 41: ...s automatically follow the operation mode directed by the master user interface Only the master user interface can select heating or cooling mode 8 5 2 To designate the master user interface 1 Press t...

Page 42: ...the switch is on it consumes electricity Before restarting the unit turn on the main power supply switch 6 hours before operation to ensure smooth running Refer to Maintenance in the indoor unit manua...

Page 43: ...ng this idea the system automatically starts increasing its refrigerant temperature automatically reducing the delivered capacity and increasing the system s efficiency Hi sensible economic cooling he...

Page 44: ...fore executing any maintenance task CAUTION After a long use check the unit stand and fitting for damage If damaged the unit may fall and result in injury NOTICE Do NOT wipe the controller operation p...

Page 45: ...equires 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...

Page 46: ...a permanent stock of essential components in order to keep your unit in operation as long as possible Contact your dealer for more information When asking your dealer for an intervention always state...

Page 47: ...recommended intervals of maintenance cycles However in order to keep the unit operational as long as possible maintenance work may be required sooner Recommended intervals can be used for appropriate...

Page 48: ...ur local dealer NOTICE The table indicates main components Refer to your maintenance and inspection contract for more details The table indicates recommended intervals of replacement cycles However in...

Page 49: ...lfunction code If the system does NOT operate properly except for the above mentioned cases and none of the above mentioned malfunctions is evident investigate the system in accordance with the follow...

Page 50: ...perature setting Check the fan speed setting on your user interface Check for open doors or windows Close doors and windows to prevent wind from coming in Check if there are too many occupants in the...

Page 51: ...door Fan motor malfunction indoor Swing flap motor malfunction indoor Expansion valve malfunction indoor Drain malfunction indoor unit Filter dust chamber malfunction indoor Capacity setting malfuncti...

Page 52: ...1NPL INV PCB abnormal Fin temperature abnormal Inverter PCB faulty Compressor over current detected Compressor lock startup Shut off PCB transmission trouble or disconnection INV unbalanced power supp...

Page 53: ...d over When the display shows change over under centralized control it shows that this is a slave user interface When the cool heat changeover remote control switch is installed and the display shows...

Page 54: ...the noise ceases 11 2 9 Symptom Noise of air conditioners Indoor unit A zeen sound is heard immediately after the power supply is turned on The electronic expansion valve inside an indoor unit starts...

Page 55: ...speed of the fan is controlled in order to optimise product operation 11 2 15 Symptom The compressor in the outdoor unit does not stop after a short heating operation This is to prevent refrigerant fr...

Page 56: ...ller and user reference guide 56 RXYSA4 6A7V Y1B VRV 5 S system air conditioner 4P600330 1 2020 01 12 Relocation Contact your dealer for removing and reinstalling the total unit Moving units requires...

Page 57: ...unit uses hydrofluorocarbon Contact your dealer when discarding this unit NOTICE Do NOT try to dismantle the system yourself dismantling of the system treatment of the refrigerant oil and other parts...

Page 58: ...u 2 To continue choose Continue to Europe for the international website Other country for a country related site Result You are directed to the Seasonal efficiency webpage 3 Under Eco Design Ener LOT...

Page 59: ...For the installer Installer and user reference guide 59 RXYSA4 6A7V Y1B VRV 5 S system air conditioner 4P600330 1 2020 01 For the installer For the installer...

Page 60: ...ter 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 Any damage MUST be reported immedi...

Page 61: ...600330 1 2020 01 15 2 Outdoor unit 15 2 1 To unpack the outdoor unit 2 1 15 2 2 To handle the outdoor unit CAUTION To avoid injury do NOT touch the air inlet or aluminium fins of the unit Carry the un...

Page 62: ...ounted 15 2 3 To remove the accessories from the outdoor unit 1 Remove the service cover See 17 2 2 To open the outdoor unit 471 4P590088 1A 1 1 1 2 b 1 a c 1 1 d e f 3 PH2 8 mm 1 1 1 1 1 g h i j k 2...

Page 63: ...utdoor unit 64 16 3 About the outdoor unit 64 16 4 System layout 65 16 5 Combining units and options 65 16 5 1 About combining units and options 65 16 5 2 Possible combinations of indoor units 65 16 5...

Page 64: ...e Explanation R Outdoor air cooled X Heat pump no continuous heating Y Single module S S series A Refrigerant R32 4 6 Capacity class A7 Model series V1 Power supply 1 220 240 V 50 Hz Y1 Power supply 3...

Page 65: ...ot be available in your country 16 5 1 About combining units and options NOTICE To be sure your system setup outdoor unit indoor unit s will work you have to consult the latest technical engineering d...

Page 66: ...eze up of the bottom plate Recommended in areas with low ambient temperature and high humidity For installation instructions see the installation manual of the bottom plate heater Cool heat selector I...

Page 67: ...provide drainage 74 17 3 6 To prevent the outdoor unit from falling over 75 17 1 Preparing the installation site Do NOT install the unit in places often used as work place In case of construction work...

Page 68: ...Outdoor unit In places with weak reception keep distances of 3 m or more to avoid electromagnetic disturbance of other equipment and use conduit tubes for power and transmission lines Select a place w...

Page 69: ...osed to direct sea winds install a windbreaker Height of windbreaker 1 5 height of outdoor unit Mind the service space requirements when installing the windbreaker a b c d c d a Sea wind b Building c...

Page 70: ...c c d a Snow cover or shed b Pedestal minimum height 150 mm c Prevailing wind direction d Air outlet Snow might build up and freeze between the heat exchanger and the casing of the unit This might dec...

Page 71: ...connecting the refrigerant piping When connecting the electrical wiring When maintaining or servicing the unit DANGER RISK OF ELECTROCUTION Do NOT leave the unit unattended when the service cover is r...

Page 72: ...17 Unit installation Installer and user reference guide 72 RXYSA4 6A7V Y1B VRV 5 S system air conditioner 4P600330 1 2020 01 2 1 4 3 1 PH2 8 mm...

Page 73: ...unit INFORMATION Also read the precautions and requirements in the following chapters General safety precautions Preparation 17 3 3 To provide the installation structure Check the strength and level o...

Page 74: ...mulation Prepare a water drainage channel around the foundation to drain waste water away from the unit Avoid drain water flowing over the footpath so that it does NOT become slippery in case of ambie...

Page 75: ...egions with snowfall snow might build up and freeze between the heat exchanger and the casing of the unit This might decrease the operating efficiency INFORMATION It is recommended to install the opti...

Page 76: ...17 Unit installation Installer and user reference guide 76 RXYSA4 6A7V Y1B VRV 5 S system air conditioner 4P600330 1 2020 01...

Page 77: ...rant branching kit 87 18 3 Checking the refrigerant piping 88 18 3 1 About checking the refrigerant piping 88 18 3 2 Checking refrigerant piping General guidelines 89 18 3 3 Checking refrigerant pipin...

Page 78: ...use other diameters mm sizes taken the following into account Select the pipe size nearest to the required size Use the suitable adapters for the change over from inch to mm pipes field supply The add...

Page 79: ...0 12 7 6 4 100 140 15 9 9 5 18 1 4 To select refrigerant branch kits For piping example refer to 18 1 3 To select the piping size 478 Refnet joint at first branch counting from outdoor unit When using...

Page 80: ...Example 1 unit 8 b c d e f g p Limit Example 2 unit 6 b h Limit Example 2 unit 8 i k Limit Example 3 unit 8 i Limit 40 m Maximum height difference outdoor indoor Outdoor higher than indoor Examples H1...

Page 81: ...18 2 2 Precautions when connecting the refrigerant piping INFORMATION Also read the precautions and requirements in the following chapters General safety precautions Preparation DANGER RISK OF BURNIN...

Page 82: ...with nitrogen to prevent creation of large quantities of oxidised film on the inside of the piping This film adversely affects valves and compressors in the refrigerating system and prevents proper o...

Page 83: ...ver a b c d e a Service port b Stop valve cover c Hexagon hole d Shaft e Valve seat Do NOT apply excessive force to the stop valve Doing so may break the valve body To open close the stop valve 1 Remo...

Page 84: ...22 5 27 5 18 2 6 To remove the spun pipes WARNING Any gas or oil remaining inside the stop valve may blow off the spun piping If these instructions are NOT followed correctly it may result in propert...

Page 85: ...outdoor unit Piping length Keep field piping as short as possible Piping protection Protect the field piping against physical damage NOTICE Be sure to use the supplied accessory pipes when carrying ou...

Page 86: ...out the slits b with a metal saw NOTICE Precautions when making knockout holes Avoid damaging the casing and underlying piping After making the knockout holes we recommend to remove the burrs and pain...

Page 87: ...sound insulation f Liquid side piping g Gas side piping 4 Connect the field piping to the accessory pipes using the accessory bend pipes brazing Mind the orientation of the bends NOTICE Always protec...

Page 88: ...the valves will close NOTICE Leak test and vacuum drying of field piping and indoor units is impossible when field expansion valves are closed Method 1 Before power ON If the system has not yet been...

Page 89: ...lves before you start leak test and vacuuming For more information on the state of the valves refer to 18 3 3 Checking refrigerant piping Setup 489 18 3 2 Checking refrigerant piping General guideline...

Page 90: ...with nitrogen gas to a minimum gauge pressure of 0 2 MPa 2 bar Never set the gauge pressure higher than the maximum working pressure of the unit i e 3 52 MPa 35 2 bar NOTICE Make sure to use a recomme...

Page 91: ...case break the vacuum by pressurising with nitrogen gas to a gauge pressure of 0 05 MPa 0 5 bar and repeat steps 1 to 3 until all moisture has been removed 4 Depending on whether you want to immediat...

Page 92: ...label 99 19 8 To check for refrigerant leaks after charging 100 19 1 About charging refrigerant The outdoor unit is factory charged with refrigerant but depending on the field piping you have to charg...

Page 93: ...ildly flammable WARNING The appliance shall be stored in a room without continuously operating ignition sources example open flames an operating gas appliance or an operating electric heater WARNING D...

Page 94: ...eration is performed within 12 minutes after the indoor and outdoor units are powered on the compressor will not operate before the communication is established in a correct way between outdoor unit s...

Page 95: ...ppropriate position according to the instructions Ensure that the refrigerating system is earthed prior to charging the system with refrigerant See 20 2 To connect the electrical wiring to the outdoor...

Page 96: ...use on the additional refrigerant charge label See 19 7 To fix the fluorinated greenhouse gases label 499 Formula R X1 9 5 0 053 X2 6 4 0 020 R Additional refrigerant to be charged in kg and rounded...

Page 97: ...e closed p p N2 C b c e a g f d A B R32 a Pressure reducing valve b Nitrogen c Weighing scales d Refrigerant R32 tank siphon system e Vacuum pump f Liquid line stop valve g Gas line stop valve A Valve...

Page 98: ...with refrigerant so be careful when connecting the charge hose 6 Open all outdoor unit stop valves At this point valve A must remain closed 7 Take all the precautions mentioned in 22 Configuration 4 1...

Page 99: ...To fix the fluorinated 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 multilingua...

Page 100: ...tightness No leak shall be detected with a test method that has a sensitivity of 5 grams refrigerant per year or better at a pressure of at least 0 25 times the maximum working pressure see PS High on...

Page 101: ...About connecting the electrical wiring Typical workflow Connecting the electrical wiring typically consists of the following stages 1 Making sure the power supply system complies with the electrical s...

Page 102: ...shock or fire Do NOT install a phase advancing capacitor because this unit is equipped with an inverter A phase advancing capacitor will reduce performance and may cause accidents CAUTION Do NOT push...

Page 103: ...limits communication errors might occur No secondary branchings are allowed after any transmission wire branching A B C b2 b3 c1 c2 b1 a A Outdoor unit B Indoor unit C Central user interface etc a Mai...

Page 104: ...ugh the knockout holes wrap the wiring with protective tape to prevent damage b c a a Knockout hole b Burr c Sealant etc 20 1 4 Guidelines when connecting the electrical wiring Keep the following in m...

Page 105: ...wiring M3 5 0 8 0 97 20 1 5 About electrical compliance Equipment complying with EN IEC 61000 3 12 provided that the short circuit power Ssc is greater than or equal to the minimum Ssc value at the in...

Page 106: ...tch a slow blow fuse on each phase and an earth leakage protector in accordance with the applicable legislation Selection and sizing of the wiring should be done in accordance with the applicable legi...

Page 107: ...cover 1 Remove the service cover See 17 2 2 To open the outdoor unit 471 2 Strip insulation 20 mm from the wires a b a Strip wire end to this point b An excessive strip length may cause electrical sho...

Page 108: ...N 50 Hz 380 415 V L1 L2 L3 L1 L2 L3 N X1M a b c a Earth leakage circuit breaker b Fuse c Power supply cable 5 Fix the cables power supply and interconnection cable with a cable tie to the stop valve a...

Page 109: ...ng on the attachment points with a flat head screwdriver and a hammer 8 Install a cable protection in the knockout hole It is recommended to install a PG type cable gland in the knockout hole When you...

Page 110: ...nt etc 10 Reattach the service cover See 21 2 To close the outdoor unit 4115 11 Connect an earth leakage circuit breaker and fuse to the power supply line 20 3 To connect the external outputs SVS The...

Page 111: ...on terminal X1M that closes in case of occurrence of general errors See 11 1 Error codes Overview 451 and 26 3 1 Error codes Overview 4145 for errors that will trigger this output The contact has a c...

Page 112: ...ethylene foam which can withstand a temperature of 70 C for liquid piping and polyethylene foam which can withstand a temperature of 120 C for gas piping Reinforce the insulation on the refrigerant pi...

Page 113: ...piping does not touch any compressor components 6 Seal the insulation ends sealant etc d see above 7 Wrap the field piping with vinyl tape e see above to protect it against sharp edges 8 If the outdo...

Page 114: ...e guide 114 RXYSA4 6A7V Y1B VRV 5 S system air conditioner 4P600330 1 2020 01 WARNING Provide adequate measures to prevent that the unit can be used as a shelter by small animals Small animals that ma...

Page 115: ...gerant accumulates in the compressor the insulation resistance over the poles can drop but if it is at least 1 M then the unit will not break down Use a 500 V mega tester when measuring insulation Do...

Page 116: ...s 122 22 2 8 Mode 2 Field settings 123 22 3 Energy saving and optimum operation 129 22 3 1 Available main operation methods 129 22 3 2 Available comfort settings 130 22 3 3 Example Automatic mode duri...

Page 117: ...y to read feedback from the PCB DIP switches only change the factory settings if you install a cool heat selector switch See also 22 2 3 Field setting components 4118 22 2 2 To access the field settin...

Page 118: ...ill be indicated in below explanations See also 22 2 4 To access mode 1 or 2 4119 22 2 5 To use mode 1 4120 22 2 6 To use mode 2 4121 22 2 7 Mode 1 Monitoring settings 4122 22 2 8 Mode 2 Field setting...

Page 119: ...de 2 22 2 4 To access mode 1 or 2 Initialisation default situation NOTICE Be sure to turn on the power 6 hours before operation in order to have power running to the crankcase heater and to protect th...

Page 120: ...the default situation INFORMATION If you get confused in the middle of the process push BS1 to return to the default situation no indication on 7 segment displays blank refer to 22 2 4 To access mode...

Page 121: ...Accessing the selected 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 pu...

Page 122: ...Low noise operation can be set in mode 2 There are two methods to activate low noise operation of the outdoor unit system The first method is to enable an automatic low noise operation during night t...

Page 123: ...function code 1 18 The 2nd last malfunction code 1 19 The 3rd last malfunction code When the latest malfunction codes were reset by accident on an indoor unit user interface they can be checked again...

Page 124: ...ll only be effective when the optional external control adaptor DTA104A61 62 is installed 2 12 Description 0 default Deactivated 1 Activated 2 18 Fan high static pressure setting If the static pressur...

Page 125: ...properly 2 21 Description 0 default Deactivated 1 Activated To stop the refrigerant recovery vacuuming mode push BS3 If BS3 is not pushed the system will remain in refrigerant recovery vacuuming mode...

Page 126: ...2 27 Low noise operation stop time This setting is used in conjunction with setting 2 22 2 27 Stop time automatic low noise operation approximately 1 6h00 2 7h00 3 default 8h00 2 30 Power consumption...

Page 127: ...power consumption limitation conditions this setting activates and defines the level power consumption limitation that will be applied continuously The level is according to the table 2 32 Restriction...

Page 128: ...system air conditioner 4P600330 1 2020 01 This setting is used in conjunction with setting 2 9 2 82 Heating comfort setting 0 Eco 1 default Mild 2 Quick 3 Powerful For more information and advice abou...

Page 129: ...ng operation 2 9 2 Automatic The refrigerant temperature is set depending on the outdoor ambient conditions As such adjusting the refrigerant temperature to match the required load which is also relat...

Page 130: ...ature to different values in order to achieve requested conditions more quickly Powerful Overshoot during heating operation or undershoot during cooling operation is allowed compared to the requested...

Page 131: ...d Overshoot during heating operation or undershoot during cooling operation is allowed compared to the requested refrigerant temperature in order to achieve the required room temperature very fast The...

Page 132: ...ing operation 2 42 0 This setting is used in conjunction with setting 2 9 22 3 3 Example Automatic mode during cooling A B E 100 50 Te C D 3 C 6 C 35 C F A Actual load curve B Virtual load curve initi...

Page 133: ...peration start C Operating time D Mild E Quick F Powerful 22 3 4 Example Automatic mode during heating A B 100 70 E Tc C D 49 C 46 C F 2 C A Virtual load curve default automatic mode peak capacity B L...

Page 134: ...and user reference guide 134 RXYSA4 6A7V Y1B VRV 5 S system air conditioner 4P600330 1 2020 01 Room temperature evolution A B C D E F A Indoor unit set temperature B Operation start C Operating time...

Page 135: ...G 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 indoor unit will operate as well Working on...

Page 136: ...mission wiring Fuses circuit breakers or protection devices Check that the fuses circuit breakers or the locally installed protection devices are of the size and type specified in the chapter 20 1 6 S...

Page 137: ...he test operation of the complete system This operation checks and judges following items Check for incorrect wiring communication check with indoor units Check of the stop valves opening Judgement of...

Page 138: ...nterface To abort the operation press BS3 The unit will stop after 30 seconds 4 Check the test operation results on the outdoor unit 7 segment display Completion Description Normal completion No indic...

Page 139: ...operly please make sure 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 c...

Page 140: ...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 charge in kg 1000 In this chapter 25...

Page 141: ...ic electricity and to protect the PCB 25 2 1 To prevent electrical hazards When performing service to inverter equipment 1 Do NOT open the electrical component box cover for 10 minutes after turning o...

Page 142: ...outdoor unit Check the following 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...

Page 143: ...you want to pump down the system and there is a leak in the refrigerant circuit Do NOT use the unit s automatic pump down function with which you can collect all refrigerant from the system into the...

Page 144: ...view Troubleshooting 144 26 2 Precautions when troubleshooting 145 26 3 Solving problems based on error codes 145 26 3 1 Error codes Overview 145 26 4 Refrigerant leak detection system 149 26 1 Overvi...

Page 145: ...r or connected to a circuit that is regularly turned ON and OFF by the utility DANGER RISK OF BURNING 26 3 Solving problems based on error codes In case of a displayed malfunction code perform correct...

Page 146: ...charge level by recovering any excessive refrigerant with a refrigerant recovery machine The stop valve of an outdoor unit is left closed Insufficient refrigerant Open the stop valve on both the gas a...

Page 147: ...rcuit short circuit A1P X31A Check connection on PCB or actuator Transmission outdoor unit inverter INV1 FAN1 transmission trouble Check connection INV1 unbalanced power supply voltage Check if power...

Page 148: ...correctly to the outdoor unit Open the stop valve on both the gas and liquid side Confirm that the piping and wiring of the specified indoor unit are connected correctly to the outdoor unit a The SVEO...

Page 149: ...controller if applicable At the same time the outdoor unit will start refrigerant recovery operation in order to reduce the amount of refrigerant in the indoor system After the operation unit will go...

Page 150: ...the indoor unit can be added to provide output for external device The output PCB will trigger in case a leak is detected For exact model name see option list of the indoor unit For more information a...

Page 151: ...oner 4P600330 1 2020 01 27 Disposal NOTICE Do NOT try to dismantle the system yourself dismantling of the system treatment of the refrigerant oil and other parts MUST comply with applicable legislatio...

Page 152: ...ata A subset of the latest technical data is available on the regional Daikin website publicly accessible The full set of latest technical data is available on the Daikin Business Portal authenticatio...

Page 153: ...U 250 750 1000 500 HU HB HU 250 1000 1000 500 HB HU HD HU HD H U HD HU HD HU HD HU 100 1000 1000 500 HU HD HU HD HU HD HU HU HD HU 200 1000 1000 500 HD HU A B C 200 1 300 1000 A B C E 200 1 300 1000 1...

Page 154: ...or better serviceability use a distance 250 mm A1 A2 A1 If there is danger of drainage dripping and freezing between the upper and lower units A2 Then install a roof between the upper and lower units...

Page 155: ...rheat g One way valve R7T Thermistor heat exchanger h Pressure relief valve R10T Thermistor fin i PCB cooling R21T Thermistor discharge j Double tube heat exchanger k Distributor Refrigerant flow l He...

Page 156: ...on model PCB Legend for wiring diagram RXYSA4 6_V A1P Printed circuit board main A2P Printed circuit board sub A3P Printed circuit board back up A4P Printed circuit board cool heat selector BS A1P Pu...

Page 157: ...elector switch option SEG A1P 7 segment display SFB Mechanical ventilation error input field supply V1R V2R A1P IGBT power module V3R A1P Diode module X A PCB connector X M Terminal strip X Y Connecto...

Page 158: ...250 V F101U A3P Fuse T 2 0 A 250 V HAP A1P Running LED service monitor green K M A1P Contactor on PCB K R A P Relay on PCB L1R A P Reactor M1C Motor compressor M1F Motor fan PS A P Switching power sup...

Page 159: ...X A PCB connector X M Terminal strip X Y Connector Y1E Electronic expansion valve main EVM1 Y2E Electronic expansion valve EVT Y3E Electronic expansion valve main EVM2 Y4E Electronic expansion valve...

Page 160: ...uct 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 Maintenance instr...

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