Mitsubishi Electric M Series Installation Manual page 35

PUMY-SP
Y SERIES - DC Inverter/Heat Pump
230V
Breaker
Three-phase connection
380V
Breaker
Permissibile length
Permissible High/Low difference
TB3
M1
M2
L
S
N
PUMY-SP
L1
L2
L3
N
Total piping length
Farthest piping length (L)
Farthest piping length after first branch ( )
High/low difference in indoor/outdoor section (H)
High/low difference in indoor/indoor section (h)
A
A
B
B a
b
C
C
M1
M2
S
M1
M2
S
M1
M2
S
M1
M2
S
TB5
50 meters or less (If the outdoor unit is lower, 30 meter or
A Outdoor unit
B First joint
C Indoor Unit
L
d
C
c
C
C
MITSUBISHI ELECTRIC / Y SERIES
L
6A
N
Breaker
L
6A
N
Breaker
L
6A
N
Breaker
L
6A
N
Breaker
A + B + C + a + b + c + d ≤ 120 m
A + B + C + d ≤ 70 m
B + C + d ≤ 50 m
less)
15 meters or less
R410A
33