Mitsubishi Electric PUMY-P200YKM2-BS, Техническое и сервисное руководство, Страница: 28 / 135

28
OCH675E
7-3-3. Mixed system (CITY MULTI indoor units and M, S, P series indoor units (Via Branch box)
System pipe size
Branch box pipe size
Pipe size
A
Liquid pipe Gas pipe
L1
[
60 m and L2
[
20 m ø9.52 mm ø19.05 mm
L1 > 60 m or L2 > 20 m ø12.7 mm ø19.05 mm
B, C, D, E
Total capacity
of indoor
units
Liquid pipe (mm) Gas pipe
– 16.0 kW
L1
[
60 m or L2
[
20 m ø9.52
ø15.88 mm
L1 > 60 m or L2 > 20 m
ø12.7
16.1 – 29.1 kW
L1
[
60 m or L2
[
20 m ø9.52
ø19.05 mm
L1 > 60 m or L2 > 20 m
ø12.7
L1: The farthest piping length from the outdoor unit to an indoor unit.
L2: The farthest piping length for the main pipes from the outdoor
unit to the branch box.
• The line-up of a connectable indoor unit depends on a district/areas/country.
a,b,c – j
Indoor unit series Model number Liquid pipe Gas pipe
CITY MULTI
– 50 ø6.35 mm ø12.7 mm
63 – 140 ø9.52 mm ø15.88 mm
200 ø9.52 mm ø19.05 mm
M series or
S series
– 42 ø6.35 mm ø9.52 mm
50 ø6.35 mm ø12.7 mm
60 ø6.35 mm ø15.88 mm
71 – ø9.52 mm ø15.88 mm
P series
– 50 ø6.35 mm ø12.7 mm
60 – ø9.52 mm ø15.88 mm
Note: When using 35, 50 type indoor unit of P series, use the flare nut attached
to the indoor unit.
Do not use the flare nut in the indoor unit accessory. If it is used, a gas
leakage or even a pipe extraction may occur.
2-branch joint CMY-Y62-G-E
4-branch header CMY-Y64-G-E
8-branch header CMY-Y68-G-E
Different-diameter joint (optional parts)
Model name
Connected pipes
diameter
Diameter A Diameter B
mm mm mm
MAC-A454JP-E ø9.52 → ø12.7 ø9.52 ø12.7
MAC-A455JP-E ø12.7 → ø9.52 ø12.7 ø9.52
MAC-A456JP-E ø12.7 → ø15.88 ø12.7 ø15.88
PAC-493PI ø6.35 → ø9.52 ø6.35 ø9.52
PAC-SG76RJ-E ø9.52 → ø15.88 ø9.52 ø15.88
PAC-SG75RJ-E
ø15.88 → ø19.05 ø15.88 ø19.05
2-branch pipe (Joint): Optional parts (According to the connection
method, you can choose the favorite one.)
Model name Connection method
MSDD-50AR-E flare
MSDD-50BR-E brazing
■ Installation procedure
Refer to the installation manual of optional parts.
A
A
E
B
C
C D
D
a
b c
d e
f g h i j
E
E E
E E F
F F F
F
A
Outdoor Unit
B
First joint
C
Branch header
D
Branch box
E
CITY MULTI Indoor unit
F
M, S, P series Indoor unit
L
1
L
2
B
Branch box
Port A
Port B
Port C
Port D
Port E
(1) Valve size of branch box for outdoor unit
For liquid ø9.52 mm
For gas ø15.88 mm
(2) Valve size of branch box for indoor unit
A
UNIT Liquid pipe ø6.35 mm
Gas pipe ø9.52 mm
B
UNIT Liquid pipe ø6.35 mm
Gas pipe ø9.52 mm
C
UNIT Liquid pipe ø6.35 mm
Gas pipe ø9.52 mm
D
UNIT Liquid pipe ø6.35 mm
Gas pipe ø9.52 mm
E
UNIT Liquid pipe ø6.35 mm
Gas pipe ø12.7 mm
Note: 3-branch type: only
A
,
B
,
C
unit