Midea MFA-76CRN1, Technical Manual

Page: 132 / 166

Installation of Outdoor Units R410A Tropical Split Type Technical Manual
Installation
132
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 Φ 22
Φ
9.52
MOV-76HN1-C Φ 22
Φ
9.52
MOV-96CN1-C Φ 25
Φ
9.52
MOV-96HN1-C Φ 25
Φ
9.52
MOV-120CN1-C Φ 28.6
Φ
12.7
MOV-120HN1-C Φ 28.6
Φ
12.7
2) Allowed length of refrigerant pipe and height difference (Fig-22)
Outdoor unit
Max. pipe length L 50m
H
e
ig
h
t
d
if
fe
re
n
c
e
b
e
tw
e
e
n
in
d
o
o
r
u
n
it
a
n
d
o
u
td
o
o
r
u
n
it
H
3
0
m
Indoor unit
Fig-22
Table 1:
76000 96000 50000
Btu/h
120000
Btu/h
Max. equivalent length of pipe (L) 50m 50m
Max. height difference
Height difference between
indoor unit and outdoor unit (H)
Outdoor upper 30m 30m
Outdoor lower 30m 30m