Daikin FDMA125AV16 Installation Manual

G) REFRIGERANT RECOVERY)[Working procedure] Fig, In oar :e;,t::::u =ni::::::::71 Liq,stop valve1. Recovery retaining oil in existing pipe Approx. 1 minClose gas stop valve (liquid stop valve: open) I ®>and recovery refrigerant from gas stop valve port.(Fig.1)2. Recovery retaining oil in existing liquid pipe Approx. 1 minRecovery refrigerant from liquid stop valve port. (Fig.2)3. Recovery refrigerant in outdoor unit Approx. 2-3 minRecovery refrigerant from outdoor unit refrigerant recovery port *1 .(Fig.3)NOTE 1 Can be omit this procedure if there is no refrigerant recovery port4. Recovery refrigerant in accordance with Fluorocarbons Recovery andDestructive LawFig, 2n oo r ilUni -,'t:::::::=::::':::7 Liq,stop nlveIf refrigerant recovery port *2 pressure become lower than gas stop valveport pressure, refrigerant will recover at the simultaneous from the gas I ®>stop valve port, open gas stop valve (Fig.3-1 ) gradually to avoid from pressurerising rapidly. (Fig.3-2 )NOTE 1 Can be omit this procedure if there has no refrigerant recovery portsimultaneously if there has no refrigerant recovery port. Fi 9, 3Retaining oil recovery amount improvedapprox. 5 times from regular refrigerantrecovery method(pipe length, height difference, pipe path etc. is difference by installation condition)ABOUT FLARE PROCESSING In oorUniLiq,atop nlve• Flare connection area of existed piping will causeprocessing deterioration, make sure to do newlyre-processing.• Please use flare nut which attached with product(Do not use existed flare nut)■ Flare processing[Unit: mm]{D=Pipingoutsidediameter¢ 9.5r/i 15.9A(+0,-0.4)For R3213.219.7■ Flare nut[Unit: mm] Pipingoutsidediameter\ll 9.5r/i 15.9B (+O ,-0.6)For R322229Pressure guageRef. recoveryllil.ChineRef. recoveryllil.ChlnePresaure guageTankTankRef. recovery Tanklli!IChlne(______R _E_FR_ I_G_ER_ A_N_T _P _IP_E_S_IZ_E_ T_A _BL_ E___)Outdoor Unit Existing pipe size 9.5/15.9 Height Design pressuredifference (High pressure)Standard pipe length 7.5mRZA24AVMK 9.5/15.9 Max. pipe length 50m Max 30m 4.15 MPaRZA30AVMKChargeless pipe length 30m• Refer to the installation manual for details other than those mentioned above table such as additional refrigerant charge amount.■ Clean the existing piping if it length is exceed 30m.■ Clean the existing pipe if chargeless length is exceed limit of existing pipe pump down refrigerant recovery.■ Standard pipe (R32)Pipe size (mm) r/i 9.5 r/i15.9Thickness (mm) t 0.8 t 1.039RZA125AV16RZA140AV16