33
OCH668G
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 or even a pipe extraction may occur.
For liquid
For gas
ø9.52 mm
ø15.88 mm
A
UNIT
B
UNIT
C
UNIT
D
UNIT
E
UNIT
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
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
* 3- branch type is only for
A
,
B
, and
C
unit.
*
*
*
(1) Valve size of branch box for outdoor unit
(2) Valve size of branch box for indoor unit
ø6.35 mm
ø9.52 mm
ø12.7 mm
ø15.88 mm
ø19.05 mm
Conversion formula
1/4 inch
3/8 inch
1/2 inch
5/8 inch
3/4 inch
Different-diameter joint (optional parts)
Fig.7-1
MAC-A454JP-E
MAC-A455JP-E
MAC-A456JP-E
PAC-493PI
PAC-SG76RJ-E
ø9.52
→
ø12.7
ø12.7
→
ø9.52
ø12.7
→
ø15.88
ø6.35
→
ø9.52
ø9.52
→
ø15.88
ø9.52
ø12.7
ø12.7
ø6.35
ø9.52
ø12.7
ø9.52
ø15.88
ø9.52
ø15.88
Connected pipes diameter
mm
Diameter A
mm
Diameter B
mm
Model name
Type
Flare
(Fig.7-1)
A
B
■
Pipe size (Branch box-indoor unit)
Indoor unit series
Model number
Liquid pipe (mm)
Gas pipe (mm)
M series or S series
15–42
ø6.35
ø
9.52
50
ø6.35
ø12.7
60
ø6.35
ø15.88
71, 80
ø
9.52
ø15.88
P series
35–50
ø6.35
ø12.7
60–100
ø
9.52
ø15.88
* If the pipe size of indoor unit is different, use a different-diameter joint.
