Additional Refrigerant Charge - SA SPW-C0705DZH8 Instrucciones De Instalación

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Table 1-6 Indoor Unit Tubing Connection Size ( 1 – 40)
Indoor unit type
Suction tubing (mm)
Distribution joint –
solenoid valve kit
Discharge tubing (mm)
tubing
Liquid tubing (mm)
Solenoid valve kit –
Gas tubing (mm)
Indoor unit tubing
Liquid tubing (mm)
connection
*1: For the solenoid valve kits, use type 160 with parallel specifi cations. 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 1-7 Straight Equivalent Length of Joints
Gas tubing size (mm)
90° elbow
45° elbow
U-shape tube bent
(R60 − 100 mm)
Trap bend
Y-branch distribution joint
Ball valve for service
Table 1-8 Refrigerant tubing (Existing tubing can be used.)
Tubing size (mm)
Material O
ø6.35
t0.8
ø9.52
t0.8
ø12.7
t0.8
ø15.88
t1.0
ø19.05
t1.0
ø22.22
t1.15

1-8. Additional Refrigerant Charge

Additional refrigerant charge amount is calculated from the liquid tubing total length as follows.
Required amount of additional refrigerant charge = [ (Amount of additional refrigerant charge per meter of each size of liquid tube × its tube
length) + (...) + (...)] + [(Necessary amount of additional refrigerant charge per
*Always charge accurately using a scale for weighing.
Table 1-9-1 Amount of Additional Refrigerant Charge Per Meter, According to Liquid Tubing Size
Liquid tubing size (mm)
Amount of additional
refrigerant charge/m (g/m)
Table 1-9-2 Necessary Amount of Additional Refrigerant Charge Per Outdoor Unit
SPW-C0705DZH8
Table 1-10 Refrigerant Charge Amount at Shipment (for Outdoor Unit)
SPW-C0705DZH8
11.8 kg
7
9
12
ø12.70
ø6.35
12.7
15.88
0.30
0.35
0.23
0.26
0.90
1.05
2.30
2.80
Equivalent length conversion not needed.
Equivalent length conversion not needed.
Material 1/2H
H
ø25.40
t1.0
ø28.58
t1.0
ø31.75
t1.1
ø38.10
t1.15
ø41.28
t1.20
6.35
9.52
12.7
15.88 19.05 22.22
26
56
128
185
SPW-C0905DZH8
SPW-C0905DZH8
11.8 kg
16
18
25
ø15.88
ø12.70
ø9.52
19.05
22.22
25.4
0.42
0.48
0.52
0.32
0.36
0.39
1.26
1.44
1.56
3.20
3.80
4.30
* 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.
outdoor
unit + (...) + (...)]
259
366
SPW-C1155DZH8
SPW-C1155DZH8
11.8 kg
10
30
36
48
ø15.88
ø9.52
28.58
31.8
0.57
0.70
0.43
0.53
1.71
2.10
4.70
5.00
SPW-C1305DZH8
3.2 kg
SPW-C1305DZH8
11.8 kg
60
76*
1
96*
1
ø19.05 ø22.22
ø15.88 ø19.05
ø19.05 ø22.22
38.1
0.79
0.59
2.37
5.80
SPW-C1405DZH8
3.2 kg
SPW-C1405DZH8
11.8 kg

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