Daikin RXYQQ8T7Y1B User Manual Download

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INSTALLATION AND

OPERATION MANUAL

RXYQQ8T7Y1B
RXYQQ10T7Y1B
RXYQQ12T7Y1B
RXYQQ14T7Y1B
RXYQQ16T7Y1B
RXYQQ18T7Y1B
RXYQQ20T7Y1B

System Air Conditioner

Summary of Contents for RXYQQ8T7Y1B

Page 1: ...INSTALLATION AND OPERATION MANUAL RXYQQ8T7Y1B RXYQQ10T7Y1B RXYQQ12T7Y1B RXYQQ14T7Y1B RXYQQ16T7Y1B RXYQQ18T7Y1B RXYQQ20T7Y1B System Air Conditioner...

Page 2: ...H HPS R8T 10 12HP 3 6 15 4 5 18 17 7 8 14 1 16 11 12 10 1 2 10 10 13 12 6 11 9 7 14 18 17 8 18 3 5 4 4 5 M sv sv INV INV sv M1C M2C M1F M M2F S1NPH S1NPL S1PH S2PH HPS R6T R5T R7T R1T R4T R8T 10 12HP...

Page 3: ...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 side...

Page 4: ...PS vastav k llastunud temperatuur 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 Maksimal...

Page 5: ...29 13 3 Connecting the PC configurator to the outdoor unit 30 14 Charging refrigerant 30 14 1 Precautions 30 14 2 Important information regarding the refrigerant used 31 14 3 Calculating the addition...

Page 6: ...ning service In Europe EN 378 provides the necessary guidance for this logbook 3 Introduction 3 1 General information This installation manual concerns the VRV IV full inverter driven heat pump system...

Page 7: ...hese here below are prohibited To install the outdoor unit the following optional parts are also required 1 Refrigerant branching kit For the selection of the optimal branching kit please refer to 9 4...

Page 8: ...1 in the figure below for reference to where following accessories are supplied with the unit INFORMATION Refer to the technical engineering data for the latest option names HP class of outdoor unit 5...

Page 9: ...onnection 9 52 9 52 9 52 12 7 Bottom connection 9 52 9 52 9 52 12 7 Accessory pipes mm 14 HP 16 HP 18 HP a b a b a b Gas pipe Front connection 25 4 28 6 25 4 28 6 25 4 28 6 Bottom connection 25 4 28 6...

Page 10: ...main component list may not be existing in the unit Main components see figure 1 figure 2 figure 3 figure 4 1 Compressor M1C 2 Compressor M2C 3 Heat exchanger 4 Fan 5 Fan motor M1F M2F 6 Accumulator 7...

Page 11: ...ty limits in the event of a refrigerant leak refer to 18 Caution for refrigerant leaks on page 47 1 Personal computer or radio 2 Fuse 3 Earth leakage protector 4 User interface 5 Indoor unit 6 Outdoor...

Page 12: ...ion may result in the unit turning over 6 2 Weather related precautions Select a place where the rain can be avoided as much as possible Be sure that the air inlet of the unit is not positioned toward...

Page 13: ...any indicated service space dimensions 4 15x22 5 515 76 765 76 272 328 373 930 97 107 131 179 259 276 122 766 729 137 1685 mm RXYQQ8 12 4 15x22 5 97 272 328 373 1240 107 131 179 259 276 122 1685 76 13...

Page 14: ...Unpacking Relief the unit from its packing material Take care not to damage the unit when removing the shrink foil with a cutter 1 Remove the 4 bolts fixing the unit to its pallet 2 Make sure that all...

Page 15: ...en care of the area around the unit might be very slippery When installed in a corrosive environment use a nut with plastic washer 1 to protect the nut tightening part from rust NOTICE If the unit is...

Page 16: ...e of the main pipes 1 Outdoor unit 2 Main pipes 3 Increase 4 First refrigerant branch kit 5 Indoor unit The pipe thickness of the refrigerant piping shall comply with the applicable legislation The mi...

Page 17: ...h the number of outdoor units 9 5 System piping length limitations 9 5 1 Piping length restrictions Make sure to perform the piping installation within the range of the maximum allowable pipe length a...

Page 18: ...pe size of the main pipe then the pipe size of the main pipe has to be increased as well Branch with refnet joint Branch with refnet joint and refnet header Branch with refnet header Single outdoor Ex...

Page 19: ...g follow the instructions in the installation manual that comes with the kit Only proceed with piping work after considering the limitations on installing listed here and in the chapter 10 2 Connectin...

Page 20: ...ture and contamination from mixing into the system Block all gaps in the holes for passing out piping and wiring using sealing material field supply the capacity of the unit will drop and small animal...

Page 21: ...stop valves cut off the lower part of the smaller pinched piping with an appropriate tool e g pipe cutter a pair of nippers Let the remaining oil drip out in case the recovery was not complete Wait un...

Page 22: ...oint vertically see view B 2 Make sure that the total length of the piping connected to the joint is absolute straight for more than 500 mm Only if a straight field piping of more than 120 mm is conne...

Page 23: ...Schrader type valve After handling the service port make sure to tighten the service port cover securely For the tightening torque refer to the table below Check for refrigerant leaks after tightenin...

Page 24: ...eak test and vacuum drying on page 19 10 4 4 Setup 1 Pressure reducing valve 2 Nitrogen 3 Measuring instrument 4 Refrigerant R410A tank siphon system 5 Vacuum pump 6 Charge hose 7 Refrigerant charge p...

Page 25: ...ing work 12 1 Precautions on electrical wiring work For the existing power supply and transmission wiring check that the specifications match the requirements as described in this chapter and that oth...

Page 26: ...sure to install an earth leakage protector in accordance with the applicable legislation Failure to do so may cause electric shock or fire Be sure to use a dedicated power circuit never use a power s...

Page 27: ...rn Y3S Solenoid valve oil 1 Y4S Solenoid valve oil 2 Z1C Z7C Noise filter ferrite core Z1F Noise filter with surge absorber L1 L2 L3 Live N Neutral Field wiring Terminal strip Connector Terminal Prote...

Page 28: ...500 m Maximum number of branches 16 Maximum number of independent interconnectable systems 10 Up to 16 branches are possible for unit to unit cabling No branching is allowed after branching see figur...

Page 29: ...Transmission wiring 2 Fix wiring with tie wrap 3 Possible power supply wire entrance hole 6 4 Possible transmission wire entrance hole 6 5 Possible transmission wire entrance hole 6 Fix wiring to pipe...

Page 30: ...e 7 5 Alternative power supply routing 12 6 3 Precautions when knocking out knockout holes To punch a knockout hole hit on it with a hammer After knocking out the holes we recommend removing any burrs...

Page 31: ...the indoor units is connected 12 7 2 Connection of wiring to terminals Transmission wiring in outdoor unit 1 Fix to the indicated plastic brackets using field supplied clamping material 2 Wiring betw...

Page 32: ...ical component box service cover Operate the switches and push buttons with an insulated stick such as a closed ball point pen to avoid touching of live parts Make sure to re attach the inspection cov...

Page 33: ...ordingly The communication wiring should be checked at first Accessing modes BS1 is used to change the mode you want to access Access mode 1 Push BS1 one time Segment indication changes to Access mode...

Page 34: ...by pushing BS3 To leave the monitoring function push BS1 2 times you will return to the default situation when shipped from factory 13 2 2 Operating the DIP switches By operating the DIP switches it...

Page 35: ...ping please take into account following table concerning the weight factor to be allocated It should be substituted in the formula for R When selecting indoor unit following table with connection rati...

Page 36: ...14 3 Calculating the additional refrigerant charge on page 31 Refrigerant overcharge happened Recover refrigerant to reach R Q Go to step 4a Step 2 3 Open valve C to field piping via liquid stop valv...

Page 37: ...tically PE charging nearly finished P9 charging finished OR P kg was added during autocharge R Q P Close valve A Push BS1 to leave program Charging is finished Fill in the amount on the additional ref...

Page 38: ...b If the total amount of refrigerant could not be charged by pre charging then close valve C and go to step 5 Follow step 6 depending on the chosen charging method 5 After pre charging perform the ref...

Page 39: ...ating close valve A immediately and check whether the segment indication user interface of indoor unit shows P9 This indicates the automatic charging in cooling program was finished successfully If du...

Page 40: ...nel The voltage must correspond to the voltage on the identification label of the unit 4 Earth wiring Be sure that the earth wires have been connected properly and that the earth terminals are tighten...

Page 41: ...mes The second method is to enable low noise operation based on an external input For this operation an optional accessory is required 1 2 shows the status of power consumption limitation operation 1...

Page 42: ...limitation via external control adaptor DTA104A61 62 If the system needs to be running under low noise operation or under power consumption limitation conditions when an external signal is sent to th...

Page 43: ...a the external control adaptor DTA104A61 62 If the system needs to be running under power consumption limitation conditions when an external signal is sent to the unit this setting defines the level p...

Page 44: ...e customer The selection method of indoor units is important and has to be considered as the available capacity is not the same as under basic operation For details concerning to Hi sensible applicati...

Page 45: ...hieve the required room temperature very fast The overshoot is not allowed from the start up moment The start up occurs under the condition which is defined by the operation mode above In case of cool...

Page 46: ...temperature evolution A Indoor unit set temperature B Operation start C Operating time D Mild E Quick F Powerful Example Automatic mode during heating A Virtual load curve default automatic mode peak...

Page 47: ...witches on the logic board on page 29 Push BS2 for 5 seconds or more The unit will start test operation The test operation is automatically carried out the outdoor unit display will indicate t01 and t...

Page 48: ...d stop valve 18 Refrigerant overcharge Stop valve closed Check refrigerant amount recharge unit Open stop valves E4 01 02 03 Low pressure malfunction Stop valve closed Refrigerant shortage Indoor unit...

Page 49: ...26 29 INV2 power phase loss Check if power supply is within range U3 03 Malfunction code System test run not yet executed system operation not possible Execute system test run U4 01 Faulty wiring to Q...

Page 50: ...GER Electrical shock See 2 General safety precautions on page 2 CAUTION When performing service to inverter equipment 1 Do not open the electrical component box cover for 10 minutes after the power su...

Page 51: ...l applicable regulations and standards for the maximum allowable concentration level is required According to the appropriate European Standard the maximum allowed concentration level of refrigerant t...

Page 52: ...ty devices High pressure switch Fan driver overload protector Inverter overload protector PC board fuse a Nominal cooling capacities are based on indoor temperature 27 C DB and 19 C WB outdoor tempera...

Page 53: ...fault circuit interrupter earth leakage circuit breaker A 20 25 32 Total overcurrent amps TOCA e e TOCA means the total value of each OC set A 17 3 24 6 35 4 Full load amps FLA f f FLA nominal running...

Page 54: ...cified for a certain product or application which explains if relevant how to install configure operate and or maintain the product or application Dealer Sales distributor for products as per the subj...

Page 55: ...lectric shock and fire Do not insert fingers rods or other objects into the air inlet or outlet When the fan is rotating at high speed it will cause injury Never let the indoor unit or the user interf...

Page 56: ...lems may happen For checking and adjusting the internal parts contact your dealer Do not touch the heat exchanger fins These fins are sharp and could result in cutting injuries NOTICE Never put any ob...

Page 57: ...peration operation will restart automatically after the power turns back on again 6 1 Cooling heating fan only and automatic operation Changeover cannot be made with a user interface whose display sho...

Page 58: ...starts operating 3 Press the air flow direction adjust button only for Double flow Multi flow Corner Ceiling suspended and Wall mounted Refer to 6 3 Adjusting the air flow direction on page 54 for det...

Page 59: ...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 windows remain open a...

Page 60: ...ars 8 2 Maintenance before a long stop period e g at the end of the season Let the indoor units run in fan only operation for about half a day in order to dry the interior of the units Refer to 6 1 Co...

Page 61: ...eard immediately after the power supply is turned on The electronic expansion valve inside an indoor unit starts working and makes the noise Its volume will reduce in about one minute A continuous low...

Page 62: ...After sales service and warranty 11 1 Warranty period This product includes a warranty card that was filled in by the dealer at the time of installation The completed card has to be checked by the cus...

Page 63: ...mponents Refer to your maintenance and inspection contract for more details Table 2 Replacement Cycle list indicates recommended intervals of replacement cycles However in order to keep the unit opera...

Page 64: ...rmistor malfunction P8 Autocharge operation related P9 Autocharge operation related PE Autocharge operation related PJ Capacity setting malfunction outdoor U0 Abnormal low pressure drop faulty expansi...

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