40
L
A
Indoor unit A
MSC-09RV - E1
H
L
B
H
L
C
H
Indoor unit B
MSC-09RV - E1
Indoor unit C
MSC-09RV - E1
Outdoor unit
MUX-18RV - E1
UNIT No.
Insulation
thickness
Pipe
For liquid
For gas
Outside diameter
mm
inch
6.35
1/4
9.52
3/8
8mm
8mm
, and
unit
C
B
A
Insulation material
Heat resisting foam plastic
0.045 specific gravity
Outdoor unit
precharged
750g
Refrigerant piping length (one way)
7m
8m
9m
10m
0
15
30
45
unit +
unit
C
B
Outdoor unit
precharged
750g
Refrigerant piping length (one way,2 unit total)
7m
0
8m
15
9m
30
10m
45
11m
60
12m
75
13m
90
14m
105
15m
120
MSX-18RV-
E1
ADDITIONAL REFRIGERANT CHARGE (R-22:g)
Max.
limits
UNIT No.
A
B
C
Pipe length
10m
10m
Total
15m
L
B
+
L
C
10m
L
A
L
B
L
C
Height difference (H)
5m
5m
5m
No. of bends
10
10
Total
15
10
PIPING PREPARATION
1
Table below shows the specifications of pipes commercially available.
2
Ensure that the 2 refrigerant pipes are well insulated to prevent condensation.
3
Refrigerant bending radius must be 10cm or more.
MAX.REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE
unit
A
Note: The length of piping to individual units (A,B,C) should not exceed 10 meters.
If units B and C are linked, the maximum combined length of piping should not exceed 15 meters.