Midea MOV-96HN1-C - Page 130

R410A 50Hz Tropical Split AC MCAC-UTSM-2012-12
130
Fig-21
NOTE:
When welding the refrigerant pipe, in order to prevent internal oxidation of the pipe, nitrogen must be filled in. Otherwise, the
oxidized chips may block refrigerating circulatory system.
3.5.1 Size of Outdoor Unit Pipes and Piping Methods
1) Size of outdoor unit pipes and piping methods
Model
Gas side
Liquid side
MOV-76CN1-C
Φ22
Φ9.52
MOV-76HN1-C
Φ22
Φ9.52
MOV-96CN1-C
Φ25
Φ9.52
MOV-96HN1-C
Φ25
Φ9.52
MOV-120CN1-C
Φ28.6
Φ12.7
MOV-120HN1-C
Φ28.6
Φ12.7
2) Allowed length of refrigerant pipe and height difference (Fig-22)
Outdoor unit
Max. pipe length L 50m
H
e
i
g
h
t
d
i
f
f
e
r
e
n
c
e
b
e
t
w
e
e
n
i
n
d
o
o
r
u
n
i
t
a
n
d
o
u
t
d
o
o
r
u
n
i
t
H
3
0
m
Indoorunit
Fig-22