Mitsubishi MCFZ-A18WV Service Manual Page 13

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13
Refrigerant Piping
Max. length
A
w Height difference should be within 15m regardless of which unit, indoor or outdoor position is high.
w Max. Height
difference 15m
Indoor
unit
Outdoor unit
MAX. HEIGHT DIFFERENCE
MAX. REFRIGERANT PIPING LENGTH
Model
Piping size O.D : mm Length of connecting pipe : m
Refrigerant piping
Max. length : m
A
30
Indoor unit
Gas 0.43
Liquid 0.5
Gas
12.7
15.88
Liquid
6.35
9.52
MUZ-A18YV - E1
MUZ-A24YV - E1
MUZ-A26YV - E1
Outdoor unit
Gas 0
Liquid 0
Model
MUZ-A18YV -
E1
Refrigerant piping length (one way)
Outdoor unit
precharged
1,800
15m
160
20m
260
25m
360
30m
460
7m
0
10m
60
ADDITIONAL REFRIGERANT CHARGE(R410A : g)
Calculation : Xg=20g/m (Refrigerant piping length (m)–7)
Model
MUZ-A24YV -
E1
Refrigerant piping length (one way)
15m
160
20m
260
25m
360
7m
0
10m
60
Outdoor unit
precharged
1,800
30m
460
Calculation : Xg=20g/m (Refrigerant piping length (m)–7)
Outdoor unit
precharged
2,000
0 165 440 715 990 1,265
Refrigerant piping length (one way)
15m10m7m
Model
MUZ-A26YV -
E1
20m
25m 30m
Calculation : Xg=55g/mo(Refrigerant piping length(m)-7)
OB346A --1qxp 04.6.14 1:20 PM Page 13
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