1. Home
  2. Mitsubishi
  3. Mitsubishi PUMY-SP140VKMD User Manual
  4. Page 11

User Manual - Page 11

For PUMY-SP140VKMD. Also, The document are for others Mitsubishi models: PUMY-SP112, SP125, SP140VKMD PUMY-SP112, SP140YKMD

Loading ...
Loading ...
Loading ...
11
GB
4. Installingtherefrigerantpiping
Branch box
Port A
Port B
Port C
Port D
Port E
Branchboxpipesize
4.1.3-3Selectingpipesize
Systempipesize
Pipesize
A, B, C, D, E
A
Liquid pipe
B
Gas pipe
ø9.52 ø15.88
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.
L3:Thefarthestpipinglengthfromtherstjoint.
a, b, c – j
Indoor unit series Model number
A
Liquid pipe
B
Gas pipe
City Multi
15 – 50
L3
[
30m
ø6.35
ø12.7
L3˃30m ø9.52*1
63 – 140
ø9.52 ø15.88
M series or S series
22 – 42
ø6.35 ø9.52
50
ø6.35 ø12.7
60
ø6.35 ø15.88
71, 80
ø9.52 ø15.88
P series
35 – 50
ø6.35 ø12.7
60 – 100
ø9.52 ø15.88
* If the pipe size of indoor unit is different, use a different-diameter joint.
*1 Ifthepipinglengthaftertherstjointexceeds30m,useapipesizeofø9.52for
the pipes of the system that exceeds 30 m.
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)(Fig.4-6)
Model name
Connected pipes diameter Diameter A Diameter B
mm mm mm
MAC-A454JP
ø9.52
→
ø12.7 ø9.52 ø12.7
MAC-A455JP
ø12.7
→
ø9.52 ø12.7 ø9.52
MAC-A456JP
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
Different-diameterjoint(optionalparts)(Fig.4-7)
Model name
Connected pipes diameter
Outside
Diameter A
Inside
Diameter B
mm mm mm
PAC-SG78RJB-E
ø9.52
→
ø12.7 ø9.52 ø12.7
PAC-SG79RJB-E
ø12.7
→
ø9.52 ø12.7 ø9.52
PAC-SG80RJB-E
ø12.7
→
ø15.88 ø12.7 ø15.88
PAC-SG77RJB-E
ø6.35
→
ø9.52 ø6.35 ø9.52
PAC-SG76RJB-E
ø9.52
→
ø15.88 ø9.52 ø15.88
2-branch pipe (Joint): Optional parts (According to the connection method,
youcanchoosethefavoriteone.)
Model name
Connection method
MSDD-50AR-E
are
Branchbox
Model name
Numberofconnectedunits
PAC-MK3
✽
BC
3-branches (Max. 3 units)
PAC-MK5
✽
BC
5-branches (Max. 5 units)
Note:
✽
=0,1,2,....
ThePAC-MK31/32BCandPAC-MK51/52BCcannotbeconnected.
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
L2
L1
L3
(1) Valve size for outdoor unit
For liquid
ø9.52mm
For gas
ø15.88mm
(2) Valve size for branch box
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
* 3-branch type : only A, B, C unit
AOutdoorUnit
B First joint (CMY, MSDD)
C Branch header (CMY)
D Branch box (PAC-MK
·BC)
E City Multi Indoor unit
FM/S/PseriesIndoorunit
B
A
Fig.4-6
Conversion formula
1/4F
ø6.35
3/8F
ø9.52
1/2F
ø12.7
5/8F
ø15.88
3/4F
ø19.05
Fig.4-7
A (outside)
B (inside)
RG79Y960H01.indb 11 2018/02/09 14:31:06
Loading ...
Loading ...
Loading ...