Mitsubishi Electric CITY MULTI PUMY-P112VKM5 Technical & Service Manual page 32

■ Pipe size (Branch box-Indoor unit) For M or S series Indoor unit
Indoor unit type (kW)
Pipe size (mm)
Liquid
Gas
■ Pipe size (Branch box-Indoor unit) For P series Indoor unit
Indoor unit type (kW)
Pipe size (mm)
Liquid
Gas
■ Pipe size (Branch box-Indoor unit) For Cylinder unit and Hydrobox
Pipe size (mm)
Liquid
Gas
When using 35, 50 type indoor unit of P series, use the flare nut (for R410A) attached to the indoor unit.
Do not use the flare nut (for R407C) in the indoor unit accessory. If it is used, a gas leakage may occur or a pipe may come off.
(1) Valve size of branch box for outdoor unit
For liquid
For gas
(2) Valve size of branch box for indoor unit
Liquid pipe
*
UNIT
Gas pipe
Liquid pipe
*
UNIT
Gas pipe
Liquid pipe
*
UNIT
Gas pipe
Liquid pipe
UNIT
Gas pipe
Liquid pipe
UNIT
Gas pipe
* 3- branch type is only for , , and
Different-diameter joint (optional parts)
Type Model name
PAC-493PI
MAC-A454JP-E
Flare
PAC-SG76RJ-E
(Fig.7-1)
MAC-A455JP-E
MAC-A456JP-E
OCH740
15 18 20
ø6.35 ø6.35 ø6.35
ø9.52 ø9.52 ø9.52
35 50 60
ø6.35 ø6.35 ø9.52
ø12.7 ø12.7 ø15.88
ø9.52
ø15.88
ø9.52 mm
ø15.88 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
unit.
Connected pipes
Diameter A Diameter B
diameter
mm mm
ø 6.35 → ø 9.52 ø 6.35
ø 9.52 → ø 12.7 ø 9.52
ø 9.52 → ø 15.88 ø 9.52
ø 12.7 → ø 9.52 ø 12.7
ø 12.7 → ø 15.88 ø 12.7
22 25 35
ø6.35 ø6.35 ø6.35
ø9.52 ø9.52 ø9.52
71 100
ø9.52 ø9.52
ø15.88 ø15.88
mm
A
ø 9.52
ø 12.7
Fig.7-1
ø 15.88
ø 9.52
ø 15.88
32
42 50 60
ø6.35 ø6.35 ø6.35
ø9.52 ø12.7 ø15.88
Conversion formula
1/4 inch ø 6.35 mm
B
3/8 inch ø 9.52 mm
1/2 inch ø 12.7 mm
5/8 inch ø 15.88 mm
3/4 inch ø 19.05 mm
71
ø9.52
ø15.88