Sanyo DHX4852 - Manual (Page 17)

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Design of W-2WAY ECO-i SYSTEM Unit Specifications
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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 2-7 Amount of Refrigerant Charge
ш7/8"
(ш22.22)
ш3/8" (ш9.52)
ш1/4" (ш6.35)
95,500
(28.0)
153,600
(45.0)
ш1-1/8"
(ш28.58)
Flare connection
Brazing connection
ш1/2" (ш12.7)
Flare connection
(
A
–
B
)
Balance tubing
Liquid tubing
Gas tubing
BTU/h
(kW)
Table 2-8 Outdoor Unit Tubing Connection Size
Table 2-9 Indoor Unit Tubing Connection Size
Balance tube
Liquid tube
Gas tube
ш5/8" (ш15.88)
ш3/8" (ш9.52) ш1/4" (ш6.35)
ш1/2" (ш12.7) Gas tubing
Liquid tubing
Indoor unit type 7 9 12 18 24 36 48
Note: Use C1220T-1/2H material for tubing over ш3/4" (ш22.22).
Unit: in. (mm)
Unit: in. (mm)
Table 2-10 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.
TD831138-02_W-2WAY.indb 7 2007/07/26 14:30:29