Fujitsu AUYG07LVLA Design & Technical Manual page 272

Limitation check
Total pipe length
Between outdoor unit and the farthest indoor unit
Between outdoor unit and branch box
Between branch box and indoor unit
Between outdoor unit and branch box
(When there is no separation tube)
Calculation of additional charge refrigerant
Liquid pipe size
mm (in.)
Additional refrigerant
g/m
Liquid pipe length
m
Additional charge = (21 x 39) + (58 x 45) = 3429 g = 3.43 kg
Diagram
Total
c + h
c
Total f + g + h
Each unit f, g, h
c
6.35 9.52
(1/4) (3/8)
21 58
39 45
- (06 - 24) -
Example Limitation
m m
84 115 or less
60 70 or less
45 55 or less
39 60 or less
12 to 15 Between 3 to 15
45 5 or more
6. SYSTEM DESIGN
Judge
OK
OK
OK
OK
OK
OK