3 Piping work and
refrigerant charge
76
SMGB0064 rev.0 - 08/2011
The possible combination between Outdoor Unit and Indoor Unit are the following:
Single System Twin System
L= A + the longest of B & C
Triple System Quad System
L= A + the longest of B, C & D
L= A + (the longest of B + the longest of D & E) & (C + the longest
of F & G)
N O T E
• L & H are the length & height indicated in the above chart.
• For twin, the length is the distance between the outdoor unit and the farthest indoor unit.
• Piping length after branch pipe (B,C & D):
1 After branch pipe B,C & D, the pipe length should be shorter than 10 m.
2 All branch pipe, B, C & D (it depend of case), should be balanced.
Twin Triple Quad
B & C difference B,C & D difference B-C, B-D, B-E, C-D, C-E, D-E
≤ 8 m ≤ 6 m ≤ 8 m
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