Mitsubishi Electric MUX-A20WV Service Manual Page 31

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31
UNIT No.
Insulation
thickness
Pipe
For liquid
For gas
For liquid
For gas
Outside diameter
mm
6.35
9.52
6.35
9.52
8mm
8mm
8mm
8mm
Insulation material
Heat resisting foam plastic
0.045 specific gravity
ADDITIONAL REFRIGERANT CHARGE (R410A:g)
Max.
limits
UNIT No.
A
B
C
D
Pipe length
15m
15m
Total
30m
Total
30m
LC
+
LD
LA
+
LB
15m
15m
LA
LB
LC
LD
Height difference (H)
10m
10m
10m
10m
No. of bends
10
10
Total
15
Total
15
10
10
MAX.REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE
Outdoor unit
precharged
1050g
1050g
Refrigerant piping length (one way, 2 unit total)
10
m
11
m
12
m
13
m
14
m
15
m
16
m
17
m
18
m
19
m
20
m
21
m
22
m
23
m
24
m
25
m
26
m
27
m
28
m
29
m
30
m
0 102030405060
70 80 90 100 110 120 130 140 150 160 170 180 190 200
0
unit + unit
BA
and unit
BA
and unit
DC
UNIT No.
unit + unit
DC
Outdoor unit
MUX-4A73VB- E1
Indoor unit A Indoor unit B Indoor unit C Indoor unit D
HLDHLCHLBHLA
10 20 30 40 50 60
70 80 90 100 110 120 130 140 150 160 170 180 190 200
PIPING PREPARATION
1Table below shows the specifications of pipes commercially available.
2Ensure that the 2 refrigerant pipes are well insulated to prevent condensation.
3Refrigerant bending radius must be 10cm or more.
OB384--2.qxp 05.1.17 13:09 Page 31
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