Tubing Size; Straight Equivalent Length Of Joints - Sanyo SPW-CR365GXH56 Technical Data Manual

2. System Design

2-5. Tubing Size

Table 2-2 Main Tubing Size (LA)
kW
11.2
System
4
horsepower
Gas tubing
ø15.88
(mm)
Liquid tubing
(mm)
Table 2-3 Main Tubing Size After Distribution (LB, LC...)
2
Below kW
Total capacity
after distribution
Gas tubing
Tubing size
Liquid tubing
Note: In case the total capacity of connected indoor units exceeds the total capacity of the outdoor units, select the main
tubing size for the total capacity of the outdoor units.
Table 2-4 Indoor Unit Tubing Connection (
Indoor unit type
Gas tubing (mm)
Liquid tubing (mm)

2-6. Straight Equivalent Length of Joints

Design the tubing system by referring to the following table for the straight equivalent length of joints.
Table 2-5 Straight Equivalent Length of Joints
Gas tubing size (mm)
90° elbow
45° elbow
U-shape tube bend (R60 – 100 mm)
Trap bend
Y-branch distribution joint
Ball valve for service
Table 2-6 Required Copper Tubing Dimensions
Material
Outer diameter
Copper tubing
Wall thickness
14.0 15.5
5
6
ø19.05
ø9.52
Unit: mm
7.1 11.2
(2.5 hp) (4 hp)
–
Over kW
ø12.7
(mm)
(mm) ø9.52
7 9 12 16
ø12.7
ø6.35
12.7
0.30
0.23
0.90
2.30
Equivalent length conversion not needed.
Equivalent length conversion not needed.
6.35
0.8
14.0 15.5
(5 hp) (6 hp)
7.1
(2.5 hp)
ø15.88 ø19.05
ø9.52
, ... )
1 2 n–1
18 25 36
ø15.88
ø9.52
15.88 19.05
0.35 0.42
0.26 0.32
1.05 1.26
2.80 3.20
O
9.52 12.7 15.88
0.8 0.8 1.0
2 - 14
Design of Mini ECO-i SYSTEM
Unit: mm
hp = horsepower
60
48
Unit: mm
Unit: mm
19.05
1.0