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7. Capacity Correction Factor
7.1 2.5/3/4 HP
n
Rate of change in Cooling capacity
1.0
0.98 0.96
0.94
0.92 0.90
HU
10
(m)
0
10
20
30
40
0
0
HL
10
(m)
1.0
0.98
0.96
0.94
0.92
Description of symbols:
HU
: Level difference between indoor and outdoor units where outdoor unit in upper position (m).
HL
: Level difference between indoor and outdoor units where outdoor unit in lower position (m).
L
: Equivalent piping length(m)
α
: Capacity correction factor
18 _
R410A(50/60Hz)
HU
10 -
(m)
7.5 -
0 -
50
L(m)
L(m)
0 -
0 -
HL
7.5 -
(m)
10 -
0.90
-
0.99
0.97
0.93
0.91
0.90
1.0
0.99
0.97
0.93
0.91
0.90
1.0
1.00
0.97
0.93
0.91
0.90
7.5
10
20
30
40
1.0
1.0
0.97
0.93
0.91
0.90
1.0
1.0
0.98
0.93
0.92
0.90
-
1.0
0.98
0.94
0.92
0.90
α
50
L(m)
α
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