Mitsubishi Electric MSC-07RV Service Manual page 42

MSX-24RV-
E1
MAX.REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE
Outdoor unit
MUX-24RV- E1
UNIT No.
Max.
limits
Note: The length of individual units (A,B,C,D) should not exceed 20 meters.
If units A and B or C and D are linked, the maximum combined length of piping should not exceed 30 meters.
ADDITIONAL REFRIGERANT CHARGE (R-22g)
Outdoor unit
UNIT No. precharged
1000g
A B
unit + unit
1000g
C D
unit + unit
PIPING PREPARATION
UNIT No.
For liquid
A B
and unit
For liquid
C D
and unit
Indoor unit A
MSC-12RV- E1
LA H
Pipe length
LA 20m
A
LB 20m
B
LC 20m
C
LD 20m
D
10 11 12 13 14
(g)
m m m m
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200
0
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200
Outside diameter
Pipe
mm
6.35
For gas 12.7
6.35
For gas 9.52
Indoor unit B Indoor unit C
MSC-12RV- E1 MSC-09RV- E1
LB H
LA
Total
+
30m
LB
LC
Total
+
30m
LD
Refrigerant piping length (one way, 2 unit total)
15 16 17 18 19 20
m m m m m m m
Insulation
thickness
inch
1/4 8mm
1/2 8mm
1/4 8mm
3/8 8mm
42
Indoor unit D
MSC-09RV- E1
LC H
Height difference (H)
10m
10m
10m
10m
21 22 23 24 25 26 27
m m m m m m
Insulation material
Heat resisting foam plastic
0.045 specific gravity
LD H
No. of bends
10
Total
15
10
10
Total
15
10
28 29 30
m m m m