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282
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(5) Selection chart
Correct the cooling capacity in accordance with the conditions as follows. The net cooling capacity can be obtained in the following
way.
Net capacity = Capacity shown on specification ✕ Correction factors as follows.
(a) Coefficient of cooling capacity in relation to temperatures
(b) Correction of cooling capacity in relation to one way length of refrigerant piping
It is necessary to correct the cooling capacity in relation to the one way piping length between the indoor and outdoor units.
16 18 20 22 24
ISO-T1 Standard ConditionIndoor air W.B. temperature ËšC W.B.
Applicable range
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
Cooling
Coefficient of cooling &
Heating capacity in
relation to temperature
Cooling operation
Outdoor air D.B.
temperature
ËšC D.B.
21
25
30
35
40
43
Piping length [m]
Cooling
7
1.0
10
0.99
15
0.975
20
0.965
25
0.95
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