R410A All DC Inverter Mini VRF
MCAC-VTSM-2016-02
50 Installation
Note: When the total equivalent piping length of gas side is ≥90m, it must increase the size of air side main pipe. Besides,
according to the distance of refrigerant pipe and the over matched state of indoor unit, when the capacity is decreasing it still can
increase the gas side main pipe size.
The first connecting method
The second connecting method
Dr
o
p
HE
IG
H
T
b
e
twee
n
in
d
o
o
r u
n
it
a
n
d
u
u
td
o
o
r u
n
it
Indoor Unit
The first line Branch Pipe
Outdoor unit
Pipe Length(from the nearest branch pipe equivalent length
Maximum pipe equivalent length
(from the first line branch pipe) Maximum pipe equivalent length
In
d
o
o
r
Un
it
t
o
I
n
d
o
o
r
Unit
Dr
o
p
He
ih
g
t
a
A
L2
L1
B
C
D
E
L3
L4
L5
b
c
d
e
f
The second cennect methond
Indoor unit
Outdoor unit
Dr
o
p
HE
IG
H
T
b
e
twe
e
n
in
d
o
o
r
u
n
it
a
n
d
u
u
td
o
o
r
u
n
it
Maximum pipe equivalent length
Pipe Length(from the nearest branch
pipe equivalent length
(from the first line branch pipe)
Maximum pipe equivalent length
In
d
o
o
r
Un
it
t
o
I
n
d
o
o
r
Un
it
Dr
o
p
He
ih
g
t
The first line Branch Pipe
a
N
1
3
N
5
N
6
N
2
N
4
N
A
B
D
E
C
b
c
e
f
d
1
L
2
L
5
L
3
L
4
L
Summary of Contents for MDV-120W/DON1
Page 3: ......
