Midea V5 X VRF Series User Manual

MCAC-VTSM-2015-10 R410A All DC Inverter V5 X Series 50Hz
Installation 93
3.2 Refrigerant piping selection
 Pipe name
Main pipe
L1
Indoor unit main pipe
L2, L3, L4, L5, L6, L7, L8, L9, L10, L11, L12
Indoor unit auxiliary pipe (from indoor unit to the nearest branch joint)
a, b, c, d, e, f, g, h, i, j, k, l, m
Indoor unit branch joint assembly
A, B, C, D, E, F, G, H, I, J, K, L
Outdoor unit branch joint assembly
L, M
Outdoor connection pipe
g1, g2, g3, G1
 Table 1: Indoor unit main pipe selection (L1~L12) Unit: mm
Capacity of indoor unit
A×100W
Indoor unit main pipe (mm)
Gas pipe
Liquid pipe
Available branching
pipe assembly
A<166
Φ15.9
Φ9.53
FQZHN-01D
166≤A<230
Φ19.1
Φ9.53
FQZHN-01D
230≤A<330
Φ22.2
Φ9.53
FQZHN-02D
330≤A<460
Φ28.6
Φ12.7
FQZHN-03D
460≤A<660
Φ28.6
Φ15.9
FQZHN-03D
660≤A<920
Φ31.8
Φ19.1
FQZHN-03D
920≤A<1350
Φ38.1
Φ19.1
FQZHN-04D
1350≤A<1800
Φ41.3
Φ22.2
FQZHN-05D
1800≤A
Φ44.5
Φ25.4
FQZHN-05D
 Table 2: Main pipe selection (L1) Unit: mm
Model
Main pipe (mm)
When the equivalent length of all liquid pipes<90m
When the equivalent length of all liquid pipes≥90m
Gas pipe
Liquid pipe
The 1
st
branch pipe
Gas pipe
Liquid pipe
The 1
st
branch
pipe
8HP
Φ22.2
Φ9.53
FQZHN-02D
Φ22.2
Φ12.7
FQZHN-02D
10HP
Φ22.2
Φ9.53
FQZHN-02D
Φ25.4
Φ12.7
FQZHN-02D
12-14HP
Φ25.4
Φ12.7
FQZHN-02D
Φ28.6
Φ15.9
FQZHN-03D
16HP
Φ28.6
Φ12.7
FQZHN-03D
Φ31.8
Φ15.9
FQZHN-03D
18-22HP
Φ28.6
Φ15.9
FQZHN-03D
Φ31.8
Φ19.1
FQZHN-03D
24HP
Φ28.6
Φ15.9
FQZHN-03D
Φ31.8
Φ19.1
FQZHN-03D
26-34HP
Φ31.8
Φ19.1
FQZHN-03D
Φ38.1
Φ22.2
FQZHN-04D
36-50HP
Φ38.1
Φ19.1
FQZHN-04D
Φ38.1
Φ22.2
FQZHN-04D
52-66HP
Φ41.3
Φ22.2
FQZHN-05D
Φ44.5
Φ25.4
FQZHN-05D
68-72HP
Φ44.5
Φ25.4
FQZHN-05D
Φ54.0
Φ25.4
FQZHN-06D
Note: the main pipe L1 can be selected form table1 or table2, the larger size should be finally selected.
N1
(140)
N4
(140)
N7
(140)
N8
(140)
N10
(28)
N12
(56)
N11
(140)
N3
(71)
N6
(28)
N13
(56)
A
B
G
H
K
I
L
C
E
L1
L2
L3
L5
L7
L8
L11
L12
L9
a
c
d
f
g h
j
l
m
k
M
L
g1 g2 g3
G1
W3
(12)
W2
(12)
W1
(18)
D
N2
(140)
b
L4
N5
(140)
F
L6
e
N9
(71)
i
J
L10

Midea V5 X VRF Series Specifications

General

Brand	Midea
Model	V5 X VRF Series
Category	Air Conditioner
Language	English