Panasonic R410A: 5/16 Installation Instructions Manual page 13

3. CZ-P160BK1U
Use: For indoor unit (Capacity after distribution joint is 76,400 BTU/h (22.4 kW) or less.)
Example:
Gas tubing
4-21/64
3-13/16
B
A
Distr ib utio n
B
Insulation
Joint
Table 1-15 Size of connection point on each part (Shown are inside diameters of tubing)
Size Part A Part B
ø3/4" ø5/8"
in. (mm)
(ø19.05) (ø15.88)
4. CZ-P680BK1U
Use: For indoor unit (Capacity after distribution joint is greater than 76,400 BTU/h (22.4 kW) and no more than 232,000 BTU/h (68.0 kW).)
Example:
Gas tubing
6-57/64
5-5/16
D C B
A
A
Distr ib ution
Joint
B
C
D
E
Insulation
F
Table 1-16 Size of connection point on each part (Shown are inside diameters of tubing)
Size Part A Part B
ø1-1/8" ø1"
in. (mm)
(ø28.58) (ø25.4)
5. CZ-P1350BK1U
Use: For indoor unit (Capacity after distribution joint is greater than 232,000 BTU/h (68.0 kW) and no more than 460,700 BTU/h (135.0 kW).)
Example:
Gas tubing
6-57/64
5-5/16
(A)
B
D C
Distr ib ution
Joint
C
D
E
F
Insulation
G
H
Table 1-17 Size of connection point on each part (Shown are inside diameters of tubing)
Size Part A Part B
ø1-3/8" ø1-1/4"
in. (mm)
(ø34.92) (ø31.75)
C
B
A
C
Part C Part D Part E
ø1/2" ø3/8" ø1/4"
(ø12.7) (ø9.52) (ø6.35)
A
B C D E F
Reducing
Joints
Part C Part D Part E
ø7/8" ø3/4" ø5/8"
(ø22.22) (ø19.05) (ø15.88)
C D
B
(A)
B
(A)
Reducing
Joints
( ): Outside dimension
Part C Part D Part E
ø1-1/8" ø1" ø7/8"
(ø28.58) (ø25.4) (ø22.22)
13
Liquid tubing
4-21/64
3-13/16
C
C
D
Distr ib utio n
C
Insulation
Joint
D
E
Liquid tubing
4-21/64
3-13/16
E
E
G F
E
Distr ib ution
Joint
F
G
H
Insulation
Part F Part G Part H
ø1/2" ø3/8" ø1/4"
(ø12.7) (ø9.52) (ø6.35)
Liquid tubing
4-21/64
3-13/16
F
G
G
G
Distr ib ution
Joint
H
I
J
Insulation
Part F Part G Part H
ø3/4" ø5/8" ø1/2"
(ø19.05) (ø15.88) (ø12.7)
D E
Unit: in.
F G H
Reducing
Joints
Unit: in.
F
H
Reducing
Joints
Unit: in.
Part I Part J
ø3/8" ø1/4"
(ø9.52) (ø6.35)