Daikin VRV IV Q+ Series Installer And User Reference Manual

Also see for RXYQQ10U7Y1B: Installation and operation manual

26 | Technical dataInstaller and user reference guide156RXYQQ8~20U7Y1BVRV IV Q+ series heat pump4P546229-1A – 2020.1026.2 Piping diagram: Outdoor unitPiping diagram: RXYQQ8~12R3TR6TR5T R7TR1TR21TjhecoflmkadtsrINVMsvsvM1CM1F(S1NPL) (S1NPH)(S1PH)HPS(S3PH)HPS(S2PH)HPSR8TR4Tgu qa Compressor (M1C)b Compressor (M2C)c Heat exchangerd Fane Fan motor (M1F, M2F)f Accumulatorg Expansion valve, main (Y1E)h Expansion valve, subcool heat exchanger (Y2E)i Expansion valve, storage vessel (Y3E)j Subcool heat exchangerk Oil separatorl Solenoid valve, oil accumulator (Y2S)m Solenoid valve, oil1 (Y3S)n Solenoid valve, oil2 (Y4S)o 4‑way valve, main (Y1S)p 4‑way valve, sub (Y5S)q Service portr Service port, refrigerant charges Stop valve, liquidt Stop valve, gasu Expansion valve, liquid cooling (Y3E)Piping diagram: RXYQQ14~20(S4PH)HPS(S3PH)HPSa bk knmfljotsh ced deMsvsvINV INVsvM1C M2CM1FMM2F(S1NPH)(S1NPL)(S1PH) (S2PH)HPSR6TR5TR1TR9TR8TR21T R22TR3THPSrR4Tgu q