Tubing Size; Straight Equivalent Length Of Joints; Additional Refrigerant Charge - Sanyo W-3WAY ECO-i 85464369098000 Installation Instructions Manual

Table 1-13 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.

1-7. Straight Equivalent Length of Joints

Design the tubing system by referring to the following table for the straight equivalent length of joints.
Table 1-14 Straight Equivalent Length of Joints
Gas tubing size (in.(mm))
90 elbow
45 elbow
U-shape tube bent
(R2–23/64–3–15/16 in.)
T r ap bend
Y-branch distr ibution joint
Ball v alve f or ser vice
Table 1-15 Refrigerant tubing (Existing tubing can be used.)
Material O
ø1/4" (ø6.35)
ø3/8" (ø9.52)
ø1/2" (ø12.7)
ø5/8" (ø15.88) t5/128 (t1.0)
ø3/4" (ø19.05) over t5/128 (t1.0)
ø7/8" (ø22.22) t5/128 (t1.0)

1-8. Additional Refrigerant Charge

Additional refrigerant charge amount is calculated from the liquid tubing total length as follows.
Table 1-16-1 Amount of Refrigerant Charge Per ft.,
According to Liquid Tubing Size
Liquid tubing ø1/4"
size (ø6.35) (ø9.52)
Amount of
refrigerant 0.279 0.602
charge (oz/ft.)
Table 1-16-2 Necessary Amount of Refrigerant
Charge Per Unit
CHDZ09053
CHDZR09053
—
W-3WAY_ECO-i_US.indd 13 W-3WAY_ECO-i_US.indd 13
7 9
0.8
1
ø1/2"
(ø12.70)
ø1/4"
(ø6.35)
1/2" 5/8"
(12.7) (15.88) (19.05)
1 ft. 1.1 ft.
(0.30 m) (0.35 m) (0.42 m)
0.8 ft. 0.9 ft.
(0.23 m) (0.26 m) (0.32 m)
3 ft. 3.4 ft.
(0.90 m) (1.05 m) (1.26 m)
7.5 ft. 9.2 ft. 10.5 ft.
(2.30 m) (2.80 m) (3.20 m)
Equivalent length con version not needed.
Equivalent length con version not needed.
Tubing size (in. (mm))
Material 1/2H • H
t1/32 (t0.8)
t1/32 (t0.8) ø1-1/8" (ø28.58)
t1/32 (t0.8) ø1-1/4" (ø31.75)
ø1-1/2" (ø38.10)
ø1-5/8" (ø41.28)
ø3/8" ø1/2" ø5/8" ø3/4" ø7/8"
(ø12.7) (ø15.88) (ø19.05) (ø22.22)
1.38 1.99 2.78 3.93
CHDZ14053
CHDZR14053
113 oz/unit
– )
1 40
18 24
12 36
1.3 2 3 4
ø5/8"
(ø15.88)
ø1/2"
(ø12.70)
ø3/8"
(ø9.52)
ø5/8"
(ø15.88)
ø3/8"
(ø9.52)
3/4" 7/8" 1" 1-1/8"
(22.22) (25.4) (28.58)
1.4 ft. 1.6 ft. 1.7 ft. 1.9 ft.
(0.48 m) (0.52 m) (0.57 m)
1 ft. 1.2 ft. 1.3 ft. 1.4 ft.
(0.36 m) (0.39 m) (0.43 m)
4.1 ft. 4.7 ft. 5.1 ft. 5.6 ft.
(1.44 m) (1.56 m) (1.71 m)
12.5 ft. 14.1 ft. 15.4 ft.
(3.80 m) (4.30 m) (4.70 m)
* 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
t5/128 (t1.0)
crushing or damaging the tubes when
t3/64 (t1.1)
bending them.
over t3/64 (t1.15)
over t3/64 (t1.20)
Required amount of charge = Necessary Amount of
Refrigerant Charge Per Unit (14053 Type) + (Amount
of refrigerant charge per ft. of each size of liquid tube
× its tube length) + (...) + (...)
* Always charge accurately using a scale for weighing.
13
in. (mm)
48
5
1-1/4" 1-1/2"
(31.8) (38.1)
2.3 ft. 2.6 ft.
(0.70m) (0.79 m)
1.7 ft. 1.9 ft.
(0.53 m) (0.59 m)
6.9 ft. 7.8 ft.
(2.10 m) (2.37 m)
16.4 ft. 14.0 ft.
(5.00 m) (5.80 m)
2008/02/15 12:29:03 2008/02/15 12:29:03