Mitsubishi Electric MUX-A20WV Service Manual Page 23

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23
LA
Indoor unit A
H L
B H
Indoor unit B
Outdoor unit
MUX-2A59VB - E1
Outdoor unit
precharged
1000g
Refrigerant piping length (one way)
unit
B
Outdoor unit
precharged
800g
Refrigerant piping length (one way,2 unit total)
7m
0
8m
20
9m
40
10m
60
11m
80
12m
100
13m
120
14m
140
15m
160
ADDITIONAL REFRIGERANT CHARGE (R410A:g)
Max.
limits
UNIT No.
A
B
Pipe length
15m
15m
L
A
LB
Height difference (H)
10m
10m
No. of bends
10
10
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.
MAX.REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE
unit
A
7m
0
8m
20
9m
40
10m
60
11m
80
12m
100
13m
120
14m
140
15m
160
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
unit
A
unit
B
OB384--1.qxp 05.1.17 13:08 Page 23
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