14ŶEnglishRefrigerant Piping Work4GHGTCNUQVQVJGKPUVCNNCVKQPOCPWCNHQTVJGQWVFQQTWPKVWARNINGr &QPQVCRRN[OKPGTCNQKNQPƃCTGFRCTVr Prevent mineral oil from getting into the system as this would reduce the service life of the units.r Never use piping which has been used for previous installations. Only use parts which are delivered with the unit.r Never install a dryer to this R410A unit in order to guarantee its service life.r The drying material may dissolve and damage the system.r +PEQORNGVGƃCTKPIOC[TGUWNVKPTGHTKIGTCPVICUNGCMCIG'ZGEWVGVJGTOCNKPUWNCVKQPYQTMEQORNGVGN[QPDQVJUKFGUQHVJGICUCPFVJGNKSWKFRKRKPI1VJGTYKUGCYCVGTNGCMCIGECPTGUWNVUQOGVKOGU$GUWTGVQWUGKPUWNCVKQPFGUKIPGFHQTWUGYKVJ*8#%U[UVGOU#NUQKPECUGUYJGTGVJGVGORGTCVWTGCPFJWOKFKV[QHVJGTGHTKIGTCPVRKRKPIUGEVKQPUOKIJVGZEGGF( % QT4*TGKPHQTEGVJGTGHTKIGTCPVKPUWNCVKQP KPEJ OO QTVJKEMGT %QPFGPUCVKQPOC[HQTOQPVJGUWTHCEGQHVJGKPUWNCVKPIOCVGTKCN$GHQTGTGHTKIGTCPVRKRKPIYQTMEJGEMYJKEJV[RGQHTGHTKIGTCPVKUWUGF2TQRGTQRGTCVKQPKUPQVRQUUKDNGKHVJGV[RGUQHTGHTKIGTCPVCTGPQVVJGUCOG1. Flaring the pipe end1) Cut the pipe end with a pipe cutter.2) Remove burrs with the cut surface facing downwardUQVJCVVJGƂNKPIUFQPQVGPVGTVJGRKRG3) 2WVVJGƃCTGPWVQPVJGRKRG4) Flare the pipe.5) %JGEMVJCVVJGƃCTKPIJCUDGGPFQPGEQTTGEVN[AACut exactly atright angles. Remove burrs.FlaringSet exactly at the position shown below.Die 0-0.020 inch(0-0.5mm)Clutch-typeFlare tool forR410A0.039-0.059 inch(1.0-1.5mm)Clutch-type(Rigid-type)0.059-0.079 inch(1.5-2.0mm)Wing-nut type(Imperial-type)%QPXGPVKQPCNƃCTGVQQN6JGƃCTG UKPPGTsurface must beƃCYHTGGThe pipe end mustDGGXGPN[ƃCTGFKPCperfect circle.Make sure that theƃCTGPWVKUƂVVGFCheck2. Refrigerant pipingCAUTIONr Use the flare nut fixed to the main unit. (This is to prevent the flare nut from cracking as a result of deterioration over time.)r To prevent gas leakage, apply refrigeration oil only to the inner surface of the flare. (Use refrigeration oil for R410A.)r Use a torque wrench when tightening the flare nuts to prevent damage to the flare nuts and gas leakage.r #NKIPVJGEGPVGTUQHDQVJƃCTGUCPFVKIJVGPVJGƃCTGPWVUQTVWTPUD[JCPFVJGPVKIJVGPVJGOHWNN[YKVJCURCPPGTCPFa torque wrench.Do not apply refrigerationoil to the outer surface.Flare nutApply refrigerationoil only to the innerUWTHCEGQHVJGƃCTGDo not apply refrigeration oil toVJGƃCTGPWVVQCXQKFVKIJVGPKPIYKVJGZEGUUKXGVQTSWGApply oil6QTSWGYTGPEJPiping unionFlare nutSpannerTightenPiping size Flare nut tightening torqueGas side O.D. 3/8 inch (9.5mm) s+DHrHV 0rOO.D. 1/2 inch (12.7mm) s+DHrHV 0rOLiquid side O.D. 1/4 inch (6.4mm) s+DHrHV 0rOEnglish

installation manual

safety considerations

before installation

choosing an installation site

installing the indoor unit

refrigerant piping work

installation of the decoration panel

Daikin FFQ09Q2VJU Installation Manual

BYFQ60C2W1S

BYFQ60C2W1W

FFQ09Q2VJU

FFQ12Q2VJU

FFQ15Q2VJU

FFQ18Q2VJU