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127408-YIM-B-0606
Unitary Products Group 49
12-1/2 ton unit uses TXV. Charge the unit to 10° subcooling.
TABLE 51: 10 TON SUPERHEAT CHARGING
Outdoor
Temp (°F)
Superheat at Compressor Suction (°F)
Airflow = 4000 CFM
Indoor WB Temp (°F)
55 57 59 61 63 65 67 69 71 73 75
65
26.8 27.4 28.0 28.6 29.3 29.9 30.5 31.1 31.7 32.4 33.0
70
25.3 26.0 26.6 27.3 28.0 28.7 29.3 30.0 30.7 31.4 32.0
75
23.8 24.5 25.3 26.0 26.7 27.5 28.2 28.9 29.6 30.4 31.1
80
22.8 23.5 24.3 25.0 25.8 26.5 27.3 28.0 28.8 29.5 30.3
85
21.8 22.5 23.3 24.1 24.8 25.6 26.4 27.1 27.9 28.7 29.4
90
20.2 21.0 21.8 22.5 23.3 24.1 24.9 25.6 26.4 27.2 28.0
95
18.7 19.5 20.2 21.0 21.8 22.6 23.4 24.1 24.9 25.7 26.5
100
17.1 17.9 18.6 19.4 20.2 20.9 21.7 22.5 23.2 24.0 24.8
105
15.5 16.3 17.1 17.8 18.6 19.3 20.1 20.8 21.6 22.3 23.1
110
14.1 14.9 15.6 16.4 17.2 18.0 18.7 19.5 20.3 21.1 21.8
115
12.6 13.4 14.2 15.0 15.8 16.6 17.4 18.2 19.0 19.8 20.6