Sanyo SPW-C0705DXHN8 - Page 30

2-20
Design of W-2WAY ECO-i SYSTEM Unit Specifications
1
2
3
4
5
6
7
8
Additional refrigerant charge before extension
Liquid tube
diameter
Tubing length (m)
(A)
Additional refrigerant charge
per 1 m (kg/m) (B)
(A) × (B) kg
La ø12.7 2 0.128 0.256
Lb ø12.7 1 0.128 0.128
Lc ø9.52 1 0.056 0.056
LP ø15.88 20 0.185 3.700
LA ø19.05 5 0.259 1.295
LB ø15.88 6 0.185 1.110
LC ø12.7 6 0.128 0.768
LD ø12.7 0.4 0.128 0.051
LE1 ø9.52 5 0.056 0.280
LN ø15.88 3 0.185 0.555
LG ø12.7 3 0.128 0.384
LH ø9.52 4 0.056 0.224
LI ø9.52 5 0.056 0.280
LJ ø9.52 5 0.056 0.280
LK ø12.7 2 0.128 0.256
LL ø9.52 3 0.056 0.168
LM ø9.52 4 0.056 0.224
L1 ø9.52 3 0.056 0.168
L2 ø6.35 3 0.026 0.078
L3 ø6.35 3 0.026 0.078
L7 ø9.52 3 0.056 0.168
L8 ø9.52 3 0.056 0.168
L9 ø9.52 4 0.056 0.224
L10 ø6.35 4 0.026 0.104
L11 ø6.35 6 0.026 0.156
L12 ø9.52 4 0.056 0.224
L13 ø9.52 4 0.056 0.224
L14 ø9.52 4 0.056 0.224
L15 ø6.35 6 0.026 0.156
Total (kg) 11.987
11.99 kg
Additional refrigerant charge after extension
Liquid tube
diameter
Tubing length (m)
(A)
Additional refrigerant charge
per 1 m (kg/m) (B)
(A) × (B) kg
LE2 ø9.52 4 0.056 0.224
LF ø9.52 5 0.056 0.280
L4 ø9.52 4 0.056 0.224
L5 ø9.52 6 0.056 0.336
L6 ø9.52 7 0.056 0.392
Total (kg) 1.4560
1.46 kg
Calculation of additional refrigerant charge for the entire 2-WAY ECO-i system
(Additional refrigerant charge for entire 2-WAY ECO-i system)
= (Refrigerant charge at outdoor unit) + (Additional refrigerant charge)
= 38 + 13.45 = 51.45 kg (after extension)
[Before extension: 26 + 11.99 = 37.99 kg]
2. System Design