Installation and operation manual - Daikin

1 Installation and operation manualVRV IV system air conditionerEnglishInstallation and operationmanualVRV IV system air conditionerRXYTQ8T7YF RXYTQ10T7YF RXYTQ12T7YF RXYTQ14T7YF RXYTQ16T7 YFTable of ContentsInstallation and operation manual2 RXYTQ8~16T7 YFVRV IV system air conditioner4P388987-1C of Contents1 About the this the installer32 About the remove the accessories from the outdoor pipes: remove the transportation the units and the outdoor Installation site requirements of the outdoor Installation site requirements of theoutdoor unit in cold refrigerant piping select the piping select refrigerant branch outdoor units: Possible electrical device the open the outdoor open the electrical component box of the the outdoor provide the Installation the refrigerant route the refrigerant connect the refrigerant piping to the outdoor connect the multi connection piping outdoor units: Knockout protect against the stop valve and service remove the pinched the refrigerant checking the refrigerant refrigerant piping: General refrigerant piping: perform a leak perform vacuum insulate the refrigerant when charging charging determine the additional refrigerant charge refrigerant: Flow charge 6.

2 To manually charge codes when charging after charging the electrical wiring: when knocking out knockout route and fix the transmission connect the transmission finish the transmission route and fix the power connect the power field making field setting access the field setting access mode 1 or use mode use mode 1: Monitoring 2: Field connect the PC configurator to the outdoor when before test perform a test after abnormal completion of the test problems based on error codes: space: Outdoor diagram: Outdoor the user2810 About the system2811 User the operating the cooling, heating, fan only, and the heating operate the system (WITHOUT cool/heatchangeover remote control switch).

3 Operate the system (WITH cool/heat changeoverremote control switch).. the dry the dry use the dry program (WITHOUT cool/heatchangeover remote control switch).. use the dry program (WITH cool/heat changeoverremote control switch).. the air flow the air flow the master user setting the master user and the service and maintenance and codes: that are not air conditioner : The system does not : Cool/Heat cannot be changed : Fan operation is possible, but cooling andheating do not : The fan strength does not correspond tothe About the documentationInstallation and operation manual3 RXYTQ8~16T7 YFVRV IV system air conditioner4P388987-1C : The fan direction does not correspond tothe : White mist comes out of a unit (Indoorunit).

4 : White mist comes out of a unit (Indoorunit, outdoor unit).. : The user interface display reads "U4" or"U5" and stops, but then restarts after a few : Noise of air conditioners (Indoor unit).. : Noise of air conditioners (Indoor unit,outdoor unit).. : Noise of air conditioners (Outdoor unit).. : Dust comes out of the : The units can give off : The outdoor unit fan does not : The display shows "88".. : The compressor in the outdoor unit doesnot stop after a short heating : The inside of an outdoor unit is warmeven when the unit has : Hot air can be felt when the indoor unit the this documentTarget audienceAuthorised installers + end usersINFORMATIONThis appliance is intended to be used by expert or trainedusers in shops, in light industry and on farms, or forcommercial use by lay setThis document is part of a documentation set.

5 The complete setconsists of: General safety precautions: Safety instructions that you must read before installing Format: Paper (in the box of the outdoor 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 Installation , technical specifications,reference data,.. Detailed step-by-step instructions and background informationfor basic and advanced usage Format: Digital files on revisions of the supplied documentation may be available onthe regional Daikin website or via your original documentation is written in English. All other languagesare the installer2 About the remove the accessories fromthe outdoor unitMake sure that all accessories are available in the e1 3P328191-1BE SURE TO FILL OUT THE BLANKS, WHICH ARE NEEDED FOR AFTER-SALE FOR THE INDICATION OF Installation INFORMATION1.

6 RECORD OF INDOOR UNIT MODEL AND Installation SITE2. RECORD FOR SETTINGS (CONTENTS SEE Installation manual ) RECORD OF Installation DATE6. AFTER EQUIPPING, PLEASE PUT IT ON THE BACK SIDE OF THE FRONT MONTH YEAR4. MODEL NAME5. MANUFACTURING NUMBERVALUEREMARKDATESETTINGVALUEREMARKD ATEc1 b1 d1 3P328192-13. FOR DETAILS CONCERNING PIPING SELECTION AND CALCULATION OR HOW TO OPERATE THE LEAK DETECTION FUNCTION, PLEASE REFER TO THE Installation RECORD OF ADDITIONAL REFRIGERANT CHARGE AMOUNT AND RESULT OF LEAK CHECK OPERATIONREQUEST FOR THE INDICATION OF ADDITIONAL REFRIGERANT CHARGING AND LEAK DETECTION operation RESULTBE SURE TO FILL OUT THE BLANKS, WHICH ARE NEEDED FOR AFTER-SALE CALCULATION OF ADDITIONAL REFRIGERANT CHARGING AMOUNT4.

7 AFTER FILLING IN THIS TABLE, PLEASE PUT IT ON THE SWITCH BOX COVER.(m) x (m) x UNIT(m) x (m) x (m) x (m) x CHARGINGAMOUNTTOTAL LENGTH OF LIQUIDPIPE SIZE x LENGTH OF LIQUIDPIPE SIZE x LENGTH OF LIQUIDPIPE SIZE x LENGTH OF LIQUIDPIPE SIZE x LENGTH OF LIQUIDPIPE SIZE x LENGTH OF LIQUIDPIPE SIZE x < CR < 130%50%< CR < 105%50%< CR < 70%70%< CR < 85%85%< CR < 105%105%< CR < 130%8 HPTotal indoor unitcapacity connectionratio (CR) indoor unit capacity when piping length <30mTotal indoor unit capacitywhen piping length > ~12kgONLY FOR RYYQ8~20 MODELSDATEAMOUNTCALCULATE THE ADDITIONAL REFRIGERANT CHARGING AMOUNT BASED ON THE FORMULA BELOW BEFORE (INDICATED ON THE MACHINE NAMEPLATE) AND THE ADDITIONAL AMOUNT SHOWN AS FOLLOWS.

8 WHEN RE-CHARGING TOTAL AMOUNT OF REFRIGERANT , CHARGE THE TOTAL OF THE AMOUNT CHARGED ATRESULT LEAK CHECKDATEAMOUNTRESULT LEAK CHECKDATEAMOUNTRESULT LEAK CHECKDATEAMOUNTRESULT LEAK CHECKaGeneral safety precautionsbInstallation manual and operation manualcAdditional refrigerant charge labeldInstallation information stickerePiping accessory pipes: DiametersAccessory pipes (mm)HP a bGas pipe Front connectionID aID b Bottom connectionID aOD pipe Front connectionID bID a Bottom connectionID bID remove the transportation stayOnly for 14+16 HP3 About the units and optionsInstallation and operation manual4 RXYTQ8~16T7 YFVRV IV system air conditioner4P388987-1C the unit is operated with the transportation stay attached,abnormal vibration or noise may be transportation stay installed over the compressor leg forprotecting the unit during transport must be removed.

9 Proceed asshown in the figure and procedure loosen the fixing nut (a).2 Remove the transportation stay (b) as shown in the the fixing nut (a) ( N m)3 ( N m)221ab3 About the units and the outdoor unitThis Installation manual concerns the VRV IV, full inverter driven,heat pump line up:ModelDescriptionRXYTQ8~16 Single non-continuous heating ~48 Multi non-continuous heating model(consisting of 2 or 3 RXYTQ modules).These units are intended for outdoor Installation and aimed for heatpump air to air units have (in single use) heating capacities ranging from 25to 50 kW and cooling capacities rating from to 45 kW. In multicombination the heating capacity can go up till 150 kW and incooling till 135 outdoor unit is designed to work in heating mode at ambienttemperatures from 20 C WB to C WB and in cooling mode atambient temperatures from 5 C DB to 52 C layoutNOTICED esign of the system must not be done at temperaturesbelow 15 IV Heat pump outdoor unitbRefrigerant pipingcVRV direct expansion (DX) indoor unitdUser interface (dedicated depending on indoor unit type)eUser interface (wireless, dedicated depending on indoorunit type)fCool/Heat changeover remote control Installation site requirements of theoutdoor unitMind the spacing guidelines.

10 See the "Technical data" is a class A product. In a domestic environment thisproduct may cause radio interference in which case theuser may be required to take adequate Installation site requirementsof the outdoor unit in cold climatesNOTICEWhen operating the unit in a low outdoor ambienttemperature with high humidity conditions, make sure totake precautions to keep the drain holes of the unit free byusing proper heating:TAO ( C WB) 5 10 15 20101520252730 TAI ( C DB)a Warming up operation rangeb operation rangeTAI Ambient indoor temperatureTAO Ambient outdoor refrigerant piping requirementsNOTICER efrigerant R410A requires strict cautions for keeping thesystem clean and dry.