Service manual

30
Piping size O.D : mm Length of connecting pipe : m
Model
Piping size O.D : mm Length of connecting pipe : m
Model
Refrigerant piping
Max. length : m
A
20
25
Indoor unit
Gas 0.43
Liquid 0.5
Gas
9.52
12.7
Liquid
6.35
Outdoor unit
Gas 0
Liquid 0
MSC-A07WV - E1
MUH-A07WV - E1
MSC-A09WV - E1
MUH-A09WV - E1
MSC-A12WV - E1
MUH-A12WV - E1
{
{
{
Refrigerant piping
Max. length : m
A
20
25
Indoor unit
Gas 0.43
Liquid 0.5
Gas
9.52
12.7
Liquid
6.35
Outdoor unit
Gas 0
Liquid 0
MSC-A07WV - E1
MU-A07WV - E1
MSC-A09WV - E1
MU-A09WV - E1
MSC-A12WV - E1
MU-A12WV - E1
{
{
{
Indoor
unit
w Max. Height
difference 10m
Height difference should be within
10m regardless of which unit,
indoor or outdoor position is high.
Outdoor unit
Refrigerant Piping
Max.length
A
Model
Refrigerant piping length (one way)
Model
Refrigerant piping length (one way)
7m
0
10m
60
15m
160
20m
260
MSC-A07WV - E1
MUH-A07WV - E1
MSC-A09WV - E1
MUH-A09WV - E1
MSC-A12WV - E1
MUH-A12WV - E1
{
{
{
Calculation : Xg=20g/m 5 x(A-7)m
Outdoor unit precharged
750
800
830
25m
360
25m
360
7m
0
10m
60
15m
160
20m
260
MSC-A07WV - E1
MU-A07WV - E1
MSC-A09WV - E1
MU-A09WV - E1
MSC-A12WV - E1
MU-A12WV - E1
{
{
{
Calculation : Xg=20g/m x(A-7)m
Outdoor unit precharged
750
1100
1150
MAX. HEIGHT DIFFERENCE
ADDITIONAL REFRIGERANT CHARGE(R410A : g)
MAX. REFRIGERANT PIPING LENGTH
OB307C-1.qxp 04.5.11 1:16 PM Page 30