Hitachi HNE Serie Manual De Instalación Y Funcionamiento página 33

REFRIGERANT PIPING &
REFRIGERANT CHARGE
11.5. ADDITIONAL REFRIGERANT CHARGE CALCULATION FOR LIQUID PIPING (W1 KG).
See the examples and fill in the following tables:
•
Single system
■
RASC-5/10
Twin sample
■
9.53
RASC-5
9.53 9.53
Triple sample
■
12.70
RASC-10
9.53
9.53
Quad sample
■
12.70
RASC-10
9.53
9.53
9.53
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Model
Actual total Piping Length (m)
Piping size for gas line
Piping size Liquid Line
Factory charged
Quantity in Outdoor unit (Kg)
Additional Charging Quantity for more than 10m
Pipe Total Piping
Diameter Length
Ø 9.53 10+10+30 x 0.070 =
10 m Factory Charge
Example Additional Charge W1 Total =
Pipe Total Piping
Diameter Length
Ø 12.7
Ø 9.53 3+3+6 x 0.070 =
9.53 10 m Factory Charge
Example Additional Charge W1 Total =
Pipe Total Piping
Diameter Length
Ø 12.7
Ø 9.53 10+8+12+10 x 0.070 =
9.53
10 m Factory Charge
Additional
Example
Charge
RCI-5.0FSN1E
RPI-5.0FSN1E
Indoor Unit
RPC-5.0FSNE
RCD-5.0FSNE
Outdoor Unit RASC-5HNE
0-50
Out. Dia. (mm) 15.88
Thickness (mm)
Out. Dia. (mm)
Thickness (mm)
70 g/m
Total Additional Charge W1:
Additional Charge (Kg)
3.50
Outdoor Unit Factory Charge Wo:
W (10m) = -0.70
Total Ref. Charge of this System:
2.80 (Kg)
Year
Total Additional Charge W1:
Additional Charge (Kg)
15 x 0.120 = 1.80
Outdoor Unit Factory Charge Wo:
0.84
W (10m) = -1.20 Total Ref. Charge of this System:
1.44 (Kg)
Year
Total Additional Charge W1:
Additional Charge (Kg)
15 x 0.120 = 1.80
Outdoor Unit Factory Charge Wo:
2.80
Total Ref. Charge of this System:
W (10m) = -1.20
W1 Total = 3.40 (Kg)
PMGB0126A rev.2 - 11/2006
RPI-10.0FSNE
RASC-10HNE
0-30
25.40
1.0 1.0
9.53 12.7
0.8 1.0
4.8 8.5
120 g/m
Month Day
Month Day
Year Month Day
21
2.80 Kg
4.80 Kg
7.60 Kg
1.44 Kg
8.50 Kg
9.94 Kg
3.40 Kg
8.50 Kg
11.90 Kg