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2. Max. Length and difference of height of refrigerant pipe
L4
L5
L6
f
g
h
i
j
L3
a
b
c
L7
L2
L1
d
e
Outdoor unit
Fall between indoor unit group and outdoor unit group H * 50m
First branch
Comb-shape manifold pipe
Indoor unit group
The corresponding length of furthest refrigerant *125
The corresponding length of furthest refrigerant pipe after the first branch * 50m
Fall between indoor unit and indoor unit group H * 30m
Indoor unit group
Max. value Refrigerant pipe
Length
of
refrigerant
pipe
Total length of
refrigerant pipe
6Hp
10Hp
220 m L1+L2+L3+L4+L5+L6+L7
250 m
100 m
125 m
50 m
50 m
50 m
30 m
+a+b+c+d+e+f+g+h+I+j
Length of furthest
refrigerant pipe
L ( )
Real length
L1+L3+L4+L5+L6+j
Corresponding length
The corresponding length of
furthest refrigerant pipe after
the first branch Q ( )
L3+L4+L5+L6+j
Fall
Drop height between
indoor and outdoor H
Outdoor top
Outdoor bottom
Drop height between indoor and outdoor h
Furthest length between indoor unit group after first branch
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