Msx-A20Wv- Max. Refrigerant Piping Length & Max. Height Difference; Msx-A20Wv- Additional Refrigerant Charge (R410A:g) - Mitsubishi Electric MSC-A07WV Service Manual

MSX-A20WV-
E1
MAX.REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE
Indoor unit A
MSC-A09WV - E1
Outdoor unit
MUX-A20WV - E1
UNIT No.
Max.
limits
ADDITIONAL REFRIGERANT CHARGE (R410A:g)
Outdoor unit
precharged
A
unit
Outdoor unit
precharged
B C
unit + unit
PIPING PREPARATION
1Table below shows the specifications of pipes commercially available.
UNIT No.
For liquid
A B
, and
C
unit
2Ensure that the 2 refrigerant pipes are well insulated to prevent condensation.
3Refrigerant bending radius must be 100mm or more.
L H
A
Pipe length
L
A A
L 15m
B B
L 15m
C C
7m 8m
20
800g
0
10 11 12 13
m m m
1000g 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200
Outside diameter
Pipe
For gas
Indoor unit B
MSC-A09WV - E1
L
B
15m
L
B
Total
+
30m
L
C
Refrigerant piping length (one way)
9m 10m
40
50
Refrigerant piping length (one way, 2 unit total)
14 15 16 17 18 19
m m m m m m m
Insulation
thickness
mm
6.35 8mm
9.52 8mm
39
Indoor unit C
MSC-A09WV - E1
H L
C
Height difference (H)
10m
10m
10m
11m 12m 13m
80 100 120
20 21 22 23 24 25
m m m m m m
Insulation material
Heat resisting foam plastic
0.045 specific gravity
H
No. of bends
10
10
Total
15
10
14m
15m
140 160
26 27 28 29 30
m m m m m