Sanyo CHDZ09053 - Manual (Page 17)

2-7
Design of W-3WAY ECO-i SYSTEM Unit Specifi cations
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1. Model Selecting and Capacity Calculator
Liquid tubing size Amount of refrigerant
(in. (mm)) charge (oz/ft.)
ш1/4" (ш6.35) 0.279
ш3/8" (ш9.52) 0.602
ш1/2" (ш12.7) 1.38
ш5/8" (ш15.88) 1.99
ш3/4" (ш19.05) 2.78
ш7/8" (ш22.22) 3.93
Table 2-5 Amount of Refrigerant Charge
Table 2-7 Refrigerant tubing (Existing tubing can be used.)
Tubing size (in. (mm))
Material O Material 1/2H • H
ш1/4" (ш6.35) t1/32" (0.8) ш7/8" (ш22.22) t5/128" (1.0)
ш3/8" (ш9.52) t1/32" (0.8) ш1" (ш25.40) t5/128" (1.0)
ш1/2" (ш12.7) t1/32" (0.8) ш1-1/8" (ш28.58) t5/128" (1.0)
ш5/8" (ш15.88) t5/128" (1.0) ш1-1/4" (ш31.75) t3/64" (1.1)
ш3/4" (ш19.05) over t5/128" (1.0) ш1-3/8" (ш34.93) over t3/64" (1.15)
* 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.
ш5/8"
(ш15.88)
ш3/8"
(ш9.52)
ш3/8"
(ш9.52)
ш1/4"
(ш6.35)
ш1/2"
(ш12.70)
ш5/8"
(ш15.88)
ш3/4"
(ш19.05)
ш7/8"
(ш22.22)
ш5/8"
(ш15.88)
ш3/4"
(ш19.05)
ш3/4"
(ш19.05)
ш7/8"
(ш22.22)
ш1/2"
(ш12.70)
Total system horsepower
Suction tubing
Discharge tubing
Indoor unit type 7 9 12 18 24 36 48
Liquid tubing
Gas tubing
Liquid tubing
0.8 1.3 1 2 3 4 5
60
6
76 *1
8
96 *1
10
Distribution
joint –
solenoid valve
kit tubing
Solenoid valve
kit – Indoor
unit tubing
connection
*1: For the solenoid valve kits, use type 160 with parallel specifications. Branch the tubing before and after the solenoid valve kits.
Table 2-6 Indoor Unit Tubing Connection Size ( 1 – 40 )
in. (mm)