Midea MDV-V140W/DVN1 - The First Connecting Method; The Second Connecting Method

R410A All DC Inverter Mini VRF MCAC-VTSM-2014-09
Installation 58
The first connecting method
The second connecting method
4.3 Refrigerant pipe selection
The first connecting method
Level difference between ODU-ODU
Indoor Unit
The first line Branch Pipe
Outdoor unit
a
A
L2
L1
B
C
D
E
L3 L4 L5
b
c
d
e f
Pipe Length (IDU to the nearest branch)
Maximum pipe equivalent length
Pipe Length (from the first branch to the furthest IDU)
Level difference bwtween IDU-IDU
Level difference between ODU-ODU
Indoor unit
a
N
1
3N
5
N
6
N
2
N
4N
Outdoor unit
A
B
D
E
C
b
c
e
f
d
1
L
2L
5L
3
L
4L
Pipe Length (IDU to the nearest branch)
Pipe Length (from the first branch
to the furthest IDU)
Level difference bwtween IDU-IDU
Maximum pipe equivalent length
The first line Branch Pipe
a
b
c
e
f
d
L1
L2
L3
L4
L5
A
B
C
D
E
The first line pipe branch
Outdoor Unit