Sanyo SPW-C1155DXHN8 Technical Data & Service Manual page 17

1. Model Selecting and Capacity Calculator
Table 1-7 Amount of Refrigerant Charge
Liquid tubing size
ø6.35
ø9.52
ø12.7
ø15.88
ø19.05
ø22.22
Table 1-8 Outdoor Unit Tubing Connection Size ( A– C)
kW 22.4
ø19.05
Gas tubing
Liquid tubing
Balance tubing
Table 1-9 Indoor Unit Tubing Connection Size
Indoor unit type
Gas tubing (mm)
Liquid tubing (mm)
Note: Use C1220T-1/2H material for tubing over ø22.22.
Table 1-10 Refrigerant tubing (Existing tubing can be used.)
Material O
ø6.35
ø9.52
ø12.7
ø15.88
ø19.05
Amount of refrigerant
charge/m (g/m)
26
56
128
185
259
366
28.0 33.5
ø22.22 ø25.4
Brazing connection
ø9.52
Flare connection
ø6.35
Flare connection
7 9 12 16
ø12.7
ø6.35
Tubing size (mm)
t0.8 ø22.22
t0.8 ø25.40
t0.8 ø28.58
t1.0 ø31.75
over t1.0 ø38.10
ø41.28
Design of W-2WAY ECO-i SYSTEM Unit Specifications
Unit: mm
40.0 45.0
ø 28.58
ø12.7
Balance tube
18 25 36 48
ø15.88
ø9.52
Material 1/2H H
t1.0
t1.0
t1.0
t1.1
over t1.15
t1.20
2-7
Liquid tube
76 96
ø19.05 ø22.22
* When bending the tubes, use a
bending radius that is at least 4 times
the outer diameter of the tubes.
In addition, take sufficient care to
avoid crushing or damaging the tubes
when bending them.
1
Gas tube
2
3
4
5
6
7
8