Tubing Size; Straight Equivalent Length Of Joints - Sanyo SPW-X483GH56 Installation Instruction

1-6. Tubing Size

Table 1-11 Main Tubing Size (LA, LB, LC)
Main tube (LA) O. D.
Outdoor unit
48 type 70 type
Wide
19.05 (3/4) 25.4 (1)
tube
Narrow
9.52 (3/8) 12.7 (1/2)
tube
Distribution Branch Size ( l l l l l
Table 1-12
Indoor unit type
Wide tube
Narrow tube
NOTE
* For the 25 type, use the "Tube connector" (supplied with the unit) for sizing up a narrow tube from 6.35 to
9.52.

1-7. Straight Equivalent Length of Joints

Design the tubing system by referring to the following table for the straight equivalent length of joints.
Table 1-13 Straight Equivalent Length of Joints
Wide tube (gas side)
90° elbow
45° elbow
U-bend
Trap bend (R60 - 100 mm)
Y-branch
Ball valve for servicing
More than
90 type
22.4 (76,400)
28.58 (1 1/8)
28.58 (1 1/8)
12.7 (1/2)
, l l l l l , l l l l l
1 2 3
9 type 12 type
12.7 (1/2)
ø12.7 ø15.88 ø19.05
0.3 0.35
0.23 0.26
0.9 1.05
2.3 2.8
Equivalent length conversion not needed
Equivalent length conversion not needed
Main tube (LB, LC) OD
Total cooling capacity Q kw, (BTU/h),
of the unit(s) after the main tube
22.4 (76,400) or less
but more than
Q > 22.4 16.0 (54,600)
>
22.4 Q > 16.0
25.4 (1)
12.7 (1/2) 12.7 (1/2)
, l l l l l
)
4
18 type 25 type
15.88 (5/8)
9.52 (3/8)*
ø22.22
0.42 0.48
0.32 0.36
1.26 1.44
3.2 3.8
9 S4179544
Unit: mm (in.)
16.0 (54,600) or less Less than
but more than 7.3 (25,000)
7.3 (25,000)
>
16.0 Q > 7.3
15.88 (5/8) or
19.05 (3/4)
19.05 (3/4)
9.52 (3/8)
9.52 (3/8)
Unit: mm (in.)
36 type 48 type
19.05 (3/4)
Unit: m
ø25.4 ø28.58
0.52 0.57
0.39 0.43
1.56 1.71
4.3 4.7
Q > 7.3