Mitsubishi Electric CITY MULTI PUMY-P112VKM2 Manuel D'installation page 9

■
A
B
■
: optional parts.
A A
A
B B
(1) Valve size for outdoor unit
For liquid
For gas
(2) Valve size for branch box
Liquid pipe
A
Gas pipe
Liquid pipe
B
Gas pipe
Liquid pipe
C
Gas pipe
Liquid pipe
D
Gas pipe
Liquid pipe
E
Gas pipe
A B C
* 3-branch type : only , , unit
A
Branch box
B B B
Branch box #1
B B
Branch box #2
ø9.52 mm
ø6.35 mm
ø9.52 mm
ø6.35 mm
ø9.52 mm
ø6.35 mm
ø9.52 mm
ø6.35 mm
ø9.52 mm
ø6.35 mm
ø12.7 mm
Conversion formula
ø6.35
ø9.52
ø12.7
B
ø19.05
Gas side Pipe size (mm)
Liquid side Pipe size (mm)
B
A
Liquid (mm) ø9.52
Gas (mm)
Connected pipes diameter
Model name
B
ø9.52
ø12.7
ø12.7
PAC-493PI ø6.35
ø9.52
Piping preparation
1
Outside diameter Insulation thickness
mm
6.35
9.52
12.7
2 Ensure that the 2 refrigerant pipes are insulated to prevent condensation.
3 Refrigerant pipe bending radius must be 100 mm or more.
Model name
MSDD-50AR-E
MSDD-50BR-E
■
Refer to the installation manuals of MSDD-50AR-E and MSDD-50BR-E.
■
Pipe size Liquid ø9.52
(ømm) Gas
■
Indoor
(kW) 15 20
unit type
Pipe size Liquid ø6.35 ø6.35 ø6.35 ø6.35 ø6.35 ø6.35 ø6.35 ø6.35 ø9.52 ø9.52
(ømm) Gas ø9.52 ø9.52 ø9.52 ø9.52 ø9.52 ø9.52 ø12.7
■
Indoor unit
*1
(kW)
type
Pipe size Liquid ø6.35
(ømm) Gas ø12.7
Indoor unit
15-50 63-140
ø12.7
ø6.35 ø9.52
B
The piping connection size differs according to the type
and capacity of indoor units. Match the piping connec-
tion size of branch box with indoor unit.
If the piping connection size of branch box does not
match the piping connection size of indoor unit, use
the branch box side.)
Diameter A
mm mm
ø12.7 ø9.52
ø9.52 ø12.7
ø12.7
ø9.52 ø6.35
ø9.52
Insulation material
mm
Heat resisting foam plastic
Connection method
brazing
22 25 35 42 50
*1
35
50 60 71
ø6.35 ø9.52 ø9.52
ø12.7
Outdoor unit
112-140
ø9.52
Diameter B
mm
ø12.7
ø9.52
ø9.52
-
60 71
100
ø9.52