11
Max. Height
difference
B
Additional Piping
Max. length
A
Indoor
unit
Outdoor unit
MAX. HEIGHT DIFFERENCE
Outside
diameter
Minimum
Wall
thickness
Outside
diameter
Minimum
Wall
thickness
Model
Additional piping
Max. length
A
Additional piping
Max. length
B
65
35
Gas
Piping size : in.
Refrigerant piping : ft
Liquid
[
3/8
[
1/2
[
1/4
0.0315
0.0315
MU-A09WA
MU-A12WA
MAX. REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE
ADDITIONAL REFRIGERANT CHARGE(R410 : oz.)
NOTE : Calculation : Xoz.=1.08/5oz./ft
✕
(Refrigerant piping length (ft)-25)
Model
Outdoor unit precharged
2lb. 5oz.
3lb. 1oz.
MU-A09WA
MU-A12WA
Refrigerant piping length (one way)
35ft
25ft
30ft
40ft
45ft
50ft
55ft
60ft
65ft
2.16
0
1.08
3.24
4.32
5.40
6.48
7.56
8.64
Service port
Service port
Capillary tube
Stop valve
(with service port)
Stop valve
Compressor
Strainer
#100
Outdoor heat
exchanger
Refrigerant pipe
(Option)
{
1/4
(with heat insulator)
Refrigerant pipe
{
1/2
(with heat insulator)
Flared
connection
Flared
connection
Muffler
Refrigerant flow in cooling
O.D. 0.118 x I.D. 0.063
x 27-9/16
(
{
3.0
x
{
1.6
x 700)
MU-A12WA
OB449A.qxp 06.5.9 11:14 AM Page 11
