32
MITSUBISHI ELECTRIC
/ Y SERIES
R410A
L
N
230V
Breaker
L3
N
L1
L2
380V
Three-phase connection
PUMY-SP
Indoor units
TB3
M1
M2
S
B1
B2
T
M1
M2
S
L
N
T
TB5
M1
M2
S
L
N
T
TB5
BRANCH BOX
PAC-MK53
BRANCH BOX
PAC-MK33
Breaker
S1
S2
S3
S1
S2
S3
S1
S2
S3
S1
S2
S3
S1
S2
S3
S1
S2
S3
S1
S2
S3
S1
S2
S3
S1
S2
S3
S1
S2
S3
PUMY-SP
Y SERIES -
DC Inverter/Heat Pump
H
h3
h2
h1
a
b
c
d
e
f
g
h
A
L
C
B
A
B
C
D
D
D
D
D
D
D
D
C
Outdoor unit
Branching joint
Branch box
Indoor Unit
A
D
C
B
Permissible lenght (One-way)
Total piping length
A + B + C + a + b + c + d + e + f + g + h ≤ 152 m
Farthest piping lenght (L)
A + C + h ≤ 80 m (A + C ≤ 55 m, h ≤ 25 m)
Piping length between outdoor unit branch boxes
A + B + C ≤ 55 m
Farthest piping length after branch box ( )
≤ 25 m
Total piping length between branch boxes and indoor units
a + b + c + d + e + f + g + h ≤ 95 m
Permissibile height difference
In indoor/outdoor unit section (H)
*1
H ≤ 50 m (In case of that outdoor unit is set higher than indoor unit)
H ≤ 30 m (In case of that outdoor unit is set lower than indoor unit)
In branch box/indoor unit section (h1)
h1 + h2 ≤ 15 m
In each branch unit (h2)
h2 ≤ 15 m
In each indoor unit (h2)
h3 ≤ 12 m
Number of bends
≤ 15 m
Содержание M-SERIES
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