Airo GORBEA R32 Manual De Usuario E Instalacion página 59

Installation Instructions
Table 12 Liquid Refrigerant Pipe
Serial No.
Diameter
Length
The total length of each liquid refrigerant pipe is: a+b+c+d=20+15+15+15=65m
Thus, the minimum additional refrigerant charge=(65-40)×0.016=0.40kg
(Note: no additional refrigerant is needed for the liquid pipe within 40m)
4. Additional Refrigerant Charge Record
Table 13 Indoor Unit
No.
1
2
3
.....
N
Table 14 Refrigerant Pipe
Diameter
Φ15.9
Φ12.7
Φ9.52
Φ6.35
Total
a
Φ6.35
20
Indoor Unit Model
Total
Total Length (m)
b
Φ6.35
15
Additional Refrigerant Refrigerant (kg)
Additional Refrigerant Refrigerant (kg)
57
c
Φ6.35 Φ6.35
15
d
15