Mitsubishi Electric M Series Installation Manual page 36

MITSUBISHI ELECTRIC / Y SERIES
PUMY-SP
Y SERIES - DC Inverter/Heat Pump
230V
Sezionatore
Collegamento TRIFASE
380V
Sezionatore
Permissibile length
Permissible High/Low difference
34
TB3
M1
M2
L
S
N
B1
B2
T
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
X
A
C
B
3
B
a
C
1
TB5
M1
M2
S
L
N
T
TB5
M1
M2
S
L
N
T
BRANCH BOX
PAC-MK
E
X
F
c d e
4 5 A Outdoor unit
D D D
B First joint
L
C Branching joint
D Indoor unit
E Branch box
b
F "Blind caps"
2
D D
L
6A
N
Sezionatore
S1 S1
S2 S2
S3 S3
S1 S1
S2 S2
S3 S3
A + B + C + a + b + c + d + e is 120 meters or less
A + B + b is 70 meters or less
B + b is 50 meters or less
50 meters or less (If the outdoor unit is lower, 30 meter or
less)
15 meters or less
R410A
Unità interne