INDOOR
WB °F*
OUTDOOR DB°F
55 60 65 70 75 80 85 90 95 100 105 110 115
50 97
52 12 10 6
54 14 12 10 7
56 17 15 14 10 6
58 20 18 16 13 9 5
60 23 21 19 16 12 8 6
62 26 24 22 19 16 12 8 5
64 29 27 24 21 18 15 11 9 6
66 32 31 30 24 23 18 15 11 9 6
68 35 33 30 27 24 21 19 16 14 12 9 6
70 35 33 30 28 25 22 20 18 15 13 11 8
72 35 33 30 28 26 24 20 20 17 15 14
74 34 31 30 27 25 23 22 20 18
76 35 33 31 29 27 26 25 23
*Evaporator Entering Air °F
TABLE 4 - Superheat Value
SUCTION
PRESSURE
PSIG
(Service Port)
SUCTION SERVICE VALVE SUPERHEAT
0**2 4 6 8 10121416182022242628303234
61.5 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69
64.2 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71
67.1 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73
70.0 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75
73.0 43 45 47 49 51 53 55 57 59 61 63 63 67 69 71 73 75 77
76.0 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79
79.2 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81
82.4 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83
** Saturation Temperature
TABLE 5 - Temperature and Pressure
TEMP.
°F
PRESSURE
PSIG
TEMP.
°F
PRESSURE
PSIG
TEMP.
°F
PRESSURE
PSIG
TEMP.
°F
PRESSURE
PSIG
TEMP.
°F
PRESSURE
PSIG
45 76.02 60 101.62 75 132.22 90 168.40 105 210.75
46 77.58 61 103.49 76 134.45 91 171.02 106 213.81
47 79.17 62 105.39 77 136.71 92 173.67 107 216.90
48 80.77 63 107.32 78 138.99 93 176.35 108 220.02
49 82.39 64 109.26 79 141.30 94 179.06 109 223.17
50 84.03 65 111.23 80 143.63 95 181.80 110 226.35
51 85.69 66 113.22 81 145.99 96 184,56 111 229.56
52 87.38 67 115.24 82 148.37 97 187.36 112 232.80
53 89.08 68 117.28 83 150.78 98 190.18 113 236.08
54 90.81 69 119.34 84 153.22 99 193.03 114 239.38
55 92.56 70 121.43 85 155.68 100 195.91 115 242.72
56 94.32 71 123.54 86 158.17 101 198.82 116 246.10
57 96.11 72 125.67 87 160.69 102 201.76 117 249.50
58 97.93 73 127.83 88 163.23 103 204.72 118 252.94
59 99.76 74 130.01 89 165.80 104 207.72 119 256.41
TABLE 6 - R-22 Saturation Properties
550.36-N2Y
8 Unitary Products Group