Sanyo ECO-i AHX0752 Technical Data Manual page 17

1. Model Selecting and Capacity Calculator
Table 2-5 Amount of Refrigerant Charge
Liquid tubing size
(in. (mm))
ø1/4" (ø6.35)
ø3/8" (ø9.52)
ø1/2" (ø12.7)
ø5/8" (ø15.88)
ø3/4" (ø19.05)
ø7/8" (ø22.22)
Table 2-6 Indoor Unit Tubing Connection Size (
Indoor unit type
Total system horsepower
Distribution Suction tubing
joint –
Discharge tubing
solenoid valve
kit tubing
Liquid tubing
Solenoid valve
Gas tubing
kit – Indoor
unit tubing
connection Liquid tubing
*1: For the solenoid valve kits, use type 160 with parallel specifications. Branch the tubing before and after the solenoid valve kits.
Table 2-7 Refrigerant tubing (Existing tubing can be used.)
Material O
ø1/4" (ø6.35) t1/32" (0.8)
ø3/8" (ø9.52) t1/32" (0.8)
ø1/2" (ø12.7) t1/32" (0.8)
ø5/8" (ø15.88) t5/128" (1.0)
ø3/4" (ø19.05) over t5/128" (1.0)
Amount of refrigerant
charge (oz/ft.)
0.279
0.602
1.38
1.99
2.78
3.93
– )
1 40
9
7
0.8
1
ø1/2"
(ø12.70)
ø1/4"
(ø6.35)
Tubing size (in. (mm))
Material 1/2H • H
ø7/8" (ø22.22)
ø1" (ø25.40)
ø1-1/8" (ø28.58)
ø1-1/4" (ø31.75)
ø1-3/8" (ø34.93)
Design of W-3WAY ECO-i SYSTEM Unit Specifi cations
12 18 24 36
1.3 2 3
ø5/8"
(ø15.88)
ø1/2"
(ø12.70)
ø3/8"
(ø9.52)
* When bending the tubes, use a bending
radius that is at least 4 times the outer
diameter of the tubes.
t5/128" (1.0)
In addition, take sufficient care to avoid
t5/128" (1.0)
crushing or damaging the tubes when
t5/128" (1.0)
bending them.
t3/64" (1.1)
over t3/64" (1.15)
2-7
*1
48 60 76
4 5 6 8
ø3/4"
(ø19.05)
ø5/8"
(ø15.88)
ø5/8" ø3/4"
(ø15.88) (ø19.05)
ø3/8"
(ø9.52)
in. (mm)
*1
96
10
ø7/8"
(ø22.22)
ø3/4"
(ø19.05)
1
ø7/8"
(ø22.22)
2
3
4
5
6
7
8