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Table 6F — Superheat Charging Table, 50SX060
TEMP (F)
AIR ENT
COND
EVAP AIR — CFM
1995
Evap Air — Ewb (F)
54 56 58 60 62 64 66 68 70 72 74 76
65 SPH 20.1 20.1 20.1 20.1 20.1 20.1 22.6 25.2 25.6 26.1 26.6 27.0
70 SPH 16.5 16.5 16.5 16.5 17.3 18.0 20.6 23.1 24.0 24.8 25.6 26.5
75 SPH 13.0 13.0 13.0 13.0 14.5 16.0 18.5 21.1 22.3 23.5 24.7 25.9
80 SPH 10.9 10.9 10.9 10.9 12.4 13.9 16.5 19.0 20.6 22.2 23.8 25.4
85 SPH 8.9 8.9 8.9 8.9 10.4 11.9 14.4 17.0 18.9 20.9 22.9 24.9
90 SPH 6.9 6.9 6.9 6.9 8.4 9.9 12.4 14.9 17.3 19.6 22.0 24.3
95 SPH 5.0 5.0 5.0 5.0 6.3 7.8 10.3 12.9 15.6 18.3 21.1 23.8
100 SPH *****5.88.310.8 13.9 17.0 20.1 23.2
105 SPH ******6.28.812.3 15.7 19.2 22.7
110 SPH *******6.710.6 14.4 18.3 22.2
115 SPH ********8.913.1 17.4 21.6
LEGEND
Ewb — Entering Wet Bulb
SPH — Superheat at Compressor (F)
*Do not attempt to charge system under these conditions — refrigerant slugging may occur.
Table 7 — Required Suction-Tube Temperature (F)*
SUPERHEAT
TEMP (F)
SUCTION PRESSURE AT SERVICE PORT (psig)
61.5 64.2 67.1 70.0 73.0 76.0 79.2 82.4 85.7
0 35 37 39 41 43 45 47 49 51
2 37 39 41 43 45 47 49 51 53
4 39 41 43 45 47 49 51 53 55
6 41 43 45 47 49 51 53 55 57
8 43 45 47 49 51 53 55 57 59
10 45 47 49 51 53 55 57 59 61
12 47 49 51 53 55 57 59 61 63
14 49 51 53 55 57 59 61 63 65
16 51 53 55 57 59 61 63 65 67
18 53 55 57 59 61 63 65 67 69
20 55 57 59 61 63 65 67 69 71
22 57 59 61 63 65 67 69 71 73
24 59 61 63 65 67 69 71 73 75
26 61 63 65 67 69 71 73 75 77
28 63 65 67 69 71 73 75 77 79
30 65 67 69 71 73 75 77 79 81
32 67 69 71 73 75 77 79 81 83
34 69 71 73 75 77 79 81 83 85
36 71 73 75 77 79 81 83 85 87
38 73 75 77 79 81 83 85 87 89
40 75 77 79 81 83 85 87 89 91
*Temperature at suction service valve.
33