167791-BIM-B-0606
Unitary Products Group 69
CHARGING THE UNIT
These units should be charged using the superheat method.
Super heat charging data is shown in Tables 71 thru 79.
When charging each system, superheat data should be taken
at the compressor inlet.
TABLE 71: DL-06 (6.5 TON) STANDARD EFFICIENCY SUPERHEAT CHARGING
Outdoor
Temp (°F)
Superheat at Compressor Suction (°F)
Airflow = 2500 CFM
Indoor WB Temp (°F)
55 57 59 61 63 65 67 69 71 73 75
65 21.9 22.6 23.2 23.9 24.6 25.3 26.0 27.4 28.9 30.4 31.9
70 18.1 19.1 20.0 21.0 22.0 22.9 23.9 25.5 27.2 28.9 30.5
75 14.4 15.6 16.8 18.1 19.3 20.6 21.8 23.7 25.5 27.3 29.1
80 10.6 12.1 13.7 15.2 16.7 18.2 19.8 21.8 23.8 25.8 27.8
85 6.8 8.7 10.5 12.3 14.1 15.9 17.7 19.9 22.1 24.2 26.4
90 - 6.2 8.0 9.8 11.6 13.4 15.3 17.8 20.4 23.0 25.5
95 - - 5.6 7.4 9.2 11.0 12.8 15.8 18.7 21.7 24.6
100 - - 5.1 6.5 7.8 9.2 10.5 13.2 16.0 18.7 21.4
105 - - - 5.6 6.5 7.4 8.3 10.7 13.2 15.7 18.2
110 - - - - 5.2 5.6 6.0 8.2 10.5 12.7 14.9
115 - - - - - - - 5.7 7.7 9.7 11.7
TABLE 72: DL-07 (7.5 TON) STANDARD EFFICIENCY SUPERHEAT CHARGING
Outdoor
Temp (°F)
Superheat at Compressor Suction (°F)
Airflow = 3000 CFM
Indoor WB Temp (°F)
55 57 59 61 63 65 67 69 71 73 75
65 - 6.4 8.7 10.9 13.2 15.4 17.7 19.8 21.9 24.1 26.2
70 - 6.3 8.5 10.7 12.9 15.1 17.3 19.2 21.1 23.0 24.9
75 - 6.1 8.3 10.4 12.6 14.7 16.9 18.6 20.2 21.9 23.5
80 - 6.0 8.1 10.2 12.3 14.4 16.5 17.9 19.4 20.8 22.2
85 - 5.8 7.9 9.9 12.0 14.0 16.1 17.3 18.5 19.7 20.9
90 - 5.7 7.7 9.7 11.7 13.7 15.7 16.3 16.9 17.5 18.1
95 - 5.5 7.5 9.4 11.4 13.3 15.3 15.3 15.3 15.3 15.3
100 - - 6.2 7.8 9.3 10.8 12.4 12.4 12.4 12.5 12.5
105 - - - 6.1 7.2 8.3 9.4 9.5 9.6 9.6 9.7
110 - - - - 5.1 5.8 6.5 6.6 6.7 6.8 6.9
115 -----------
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