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9. Coefficient of Capacity Change
• Model: 18K~24K Btu Heat Pump
Classification
Outdoor
(A)
Indoor
Indoor
(A)
Outdoor
Piping length and elevation
Capacity
(Btu/h)
Gas
3/8"(Ø9.52)
7k~12k
1/2"(Ø12.7)
1/2"(Ø12.7)
18k~24k
5/8"(Ø15.88)
5/8"(Ø15.88)
5/8"(Ø15.88)
30k~36k
3/4"(Ø19.05)
80
2005 Product Data
Height
(A)
5
-
10
-
7
0.99
5
1.0
0
1.0
0
0.99
5
-
7
-
10
Pipe Size
Standard
Length
Liquid
1/4"(Ø6.35)
1/4"(Ø6.35)
1/4"(Ø6.35)
1/4"(Ø6.35)
3/8"(Ø9.52)
3/8"(Ø9.52)
3/8"(Ø9.52)
The Coefficient of Capacity Change
Total Pipe Length(m)
7.5
10
-
-
0.97
0.96
0.98
0.97
0.99
0.98
0.99
0.98
0.98
0.97
0.97
0.96
-
-
Max.
Elevation
(m)
B (m)
4 or 7.5
7
4 or 7.5
7
4 or 7.5
15
4 or 7.5
15
4 or 7.5
15
7.5
15
7.5
15
12.5
15
0.94
0.93
0.95
0.94
0.96
0.95
0.97
0.96
0.97
0.96
0.96
0.95
0.95
0.94
0.94
0.93
Max.
Additional
Length
Refrigerant
A (m)
(g/m)
15
20
15
20
30
20
30
20
30
30
30
30
30
50
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