SYSVRF2 IM

15
5.1 Length and drop height permitted of the refrigerant piping
5. REFRIGERANT PIPE
Table.5-1
Permitted value
Piping( refer to Fig.5-1)
Total pipe length
(Total extended length)
Indoor unit to indoor unit drop height
Pipe length Drop height
Outdoor unit up
Outdoor unit down
Equivalent length
Actual length
Maximum piping (L)
Indoor unit-outdoor unit
drop height
1000m
(Please refer to the caution 5
of
conditions 2)
175m
200m
( Please refer to caution 1 )
90m
110m
30m
( Please refer to caution 3 )
Pipe(between the farthest indoor
unit and first branch joint) length
( Please refer to caution 4 )
40/90*m
( Please refer to caution 5 )
L1+L9+L10+L11+L12+L13+k
(Pipe diameter requirements,please refers
to table. 5-4 or 5-5)
L9+L10+L11+L12+L13+k
L1+(L2+L3+L4+L5+L6+L7+L8+L9+L10+L11
+L12+L13+L14+L15+L16)x2+a+b+c+d+e+f
+g+h+i+j+k+l+m+n+o+p+q
Fig.5-2
≥300mm
≥300mm
Fig.5-1
*1. Level differences cannot be above 90 m unless customization is requested (if the outdoor unit is above the indoor unit).
N1
(140)
N4(140)
N9
(112)
N10
(140)
N12
(28)
N13
(140)
N16
(56)
N15
(140)
N3(71)
N7(28)
N6
(140)
N8(140)
N14
(56)
N17
(140)
A
B
I
J
N
K
O
C
F
H
E
L1
L2
L3
L5
L7
L8
L11
L12
L13
L15
L14
L16
L9
a
c
d
f
g
h
j
l
m
n
o
p
q
k
S
R
g1
g2
g3
G1
D
N
2
(140)
b
L4
N5
(112)
G
L6
e
N11
(71)
i
L
L10
M
P
W3
(12)
W2
(22)
W1
(32)
Drop height between indoor unit and outdoor unit H≤90m
Pipe (between the farthest indoor unit
and first branch joint) length L≤40 m
Pipe (between the farthest indoor unit
and outdoor unit) equivalent length L≤200 m
Indoor unit to outdoor unit drop height h≤30 m