12
L
C
Indoor unit C
MSC-09RV - E3
H
L
B
H
L
A
H
Indoor unit B
MSC-09RV - E3
Indoor unit A
MSC-09RV - E3
Outdoor unit
MUX-20TV - E1
UNIT No.
Insulation
thickness
Pipe
For liquid
For gas
Outside diameter
mm
6.35
9.52
8mm
8mm
, and
unit
C
B
A
Insulation material
Heat resisting foam plastic
0.045 specific gravity
MUX-20TV-
E1
ADDITIONAL REFRIGERANT CHARGE (R22:g)
Max.
limits
UNIT No.
A
B
C
Pipe length
15m
15m
Total
30m
L
B
+
L
C
15m
L
A
L
B
L
C
Height difference (H)
10m
10m
10m
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
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.
7m
0
10m
0
11m
10
12m
20
13m
30
14m
40
15m
50
16m
60
17m
70
18m
80
19m
90
20m
100
21m
110
22m
120
23m
130
24m
140
25m
150
26m
160
27m
170
28m
180
29m
190
30m
200
8m
15
9m
30
10m
45
11m
60
12m
75
13m
90
14m
105
15m
120
Refrigerant piping length (one way)
A
unit
Refrigerant piping length (one way, 2 unit total)
Outdoor unit
precharged (g)
800
Outdoor unit
precharged (g)
960
B
unit +
C
unit
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