202 Detailed technical drawings RZAG-NV1/NY1 To determine if adding additional refrigerant is necessary If Then (L1+L2+L3+L4+L5+L6+L7)≤ chargeless length Chargeless length= • 10 m (size-down) • 40 m (standard) • 15 m (size-up) You do not have to add additional refrigerant. (L1+L2+L3+L4+L5+L6+L7)> chargeless length You must add additional refrigerant. For future servicing, encircle the selected amount in the tables below. INFORMATION Piping length is the largest one way length of liquid piping. To determine the additional refrigerant amount (R in kg) (in case of pair) Standard liquid pipe size L1 (m) L1: 40~50 50~55 55~60 60~70 70~80 80~85 R: 0.35 0.7 (a) 0.55 (b) 0.7 (a) 1.05 (a) 1.4 (a) 1.55 (a) (a) Only for RZAG100~140. (b) Only for RZAG71. Size-up liquid pipe size L1 (m) L1: 15~20 20~25 25~30 30~35 R: 0.35 0.7 1.05 (a) 1.4 (a) (a) Only for RZAG100~140. To determine the additional refrigerant amount (R in kg) (in case of twin, triple and double twin) 1. Determine G1 and G2. G1 (m) Total length of <x> liquid piping x= Ø9.5 mm (standard) x= Ø12.7 mm (size-up) G2 (m) Total length of Ø6.4 mm liquid piping 2. Determine R1 and R2. If Then G1>40 m(a) Use the table below to determine R1 (length= G1−40 m)(a) and R2 (length=G2). G1≤40 m(a) (and G1+G2>40 m)(a) R1=0.0 kg. Use the table below to determine R2 (length= G1+G2−40 m)(a) (a) In case of size-up: Replace 40 m by 15 m. Standard liquid pipe size Length (m) 0~10 10~15 15~20 20~30 30~40 40~45 R1: 0.35 0.7 (a) 0.55 (b) 0.7 (a) 1.05 (a) 1.4 (a) 1.55 (a) R2: 0.2 0.4 0.4 0.6 0.8 (a) 1.0 (a) (a) Only for RZAG100~140. (b) Only for RZAG71. Size-up liquid pipe size Length (m) 0~5 5~10 10~15 15~20 20~30 30~40 40~45 R1: 0.35 0.7 1.05 (a) 1.4 (a) - - - R2: 0.35 0.7 (a) 1.05 (a) 1.4 (a) - (a) Only for RZAG100~140. 3. Determine the additional refrigerant amount: R=R1+R2. Examples Layout Additional refrigerant amount (R) L2=7 m L1=45 m (Ø9.5 mm) RZAG100 L3=5 m (Ø6.4 mm) (Ø6.4 mm) Case: Twin, standard liquid pipe size 1. G1 Total Ø9.5 => G1=45 m G2 Total Ø6.4 => G2=7+5=12 m 2. Case: G1>40 m R1 Length=G1−40 m=5 m => R1=0.35 kg R2 Length=G2=12 m => R2=0.4 kg 3. R R=R1+R2=0.35+0.4=0.75 kg L2=20 m L3=17 m L4=17 m L1=15 m (Ø9.5 mm) RZAG125 (Ø6.4 mm) (Ø6.4 mm) (Ø6.4 mm) Case: Triple, standard liquid pipe size 1. G1 Total Ø9.5 => G1=15 m G2 Total Ø6.4 => G2=20+17+17=54 m 2. Case: G1≤40 m (and G1+G2>40 m) R1 R1=0.0 kg R2 Length=G1+G2−40 m=15+54−40=29 m => R2=0.6 kg 3. R R=R1+R2=0.0+0.6=0.6 kg 4PEN695306-1B page 11 Click here to view all RZAG-NV1 technical drawings on my.daikin.eu Click here to view all RZAG-NY1 technical drawings on my.daikin.eu
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