Charging tables
Table 70: 27.5 ton charging table - System 1
Air flow
indoor DB/WB
Outdoor
DB °F
Suction
pressure
psig
Suction
temp °F
Liquid
pressure
psig
Liquid
temp °F
Delta T,
indoor
DB °F
75 111 46 259 78 28
85 113 47 304 88 27
300 cfm/ton;
80/62
95 115 48 352 97 26
75 122 51 258 81 23
85 124 52 304 90 23
300 cfm/ton;
80/67
95 127 53 352 99 22
75 134 56 257 84 19
85 137 57 303 93 18
300 cfm/ton;
80/72
95 139 58 352 101 17
75 111 46 260 78 23
85 113 46 305 88 23
300 cfm/ton;
75/62
95 115 48 353 97 22
75 118 49 259 79 24
85 120 50 304 89 23
400 cfm/ton;
80/62
95 122 50 352 98 23
75 130 54 258 82 19
85 132 55 304 91 19
400 cfm/ton;
80/67
95 134 56 352 100 18
75 142 59 258 85 15
85 145 60 303 94 15
400 cfm/ton;
80/72
95 147 61 353 103 14
75 118 49 260 79 20
85 120 50 305 88 19
400 cfm/ton;
75/62
95 122 50 354 98 19
Table 71: 27.5 ton charging table - System 2
Air flow
indoor DB/WB
Outdoor
DB °F
Suction
pressure
psig
Suction
temp °F
Liquid
pressure
psig
Liquid
temp °F
Delta T
indoor
DB °F
75 113 46 253 77 28
85 115 47 297 86 27
300 cfm/ton;
80/62
95 117 48 345 96 26
75 124 51 252 79 23
85 126 52 296 88 23
300 cfm/ton;
80/67
95 129 53 345 97 22
75 137 56 250 81 19
85 139 57 295 90 18
300 cfm/ton;
80/72
95 141 58 344 99 17
75 113 46 254 77 23
85 115 47 298 86 23
300 cfm/ton;
75/62
95 117 48 346 96 22
75 120 49 253 78 24
85 122 50 297 87 23
400 cfm/ton;
80/62
95 123 51 345 97 23
75 132 54 251 80 19
85 134 55 296 89 19
400 cfm/ton;
80/67
95 136 56 345 98 18
75 144 59 249 83 15
85 146 60 295 91 15
400 cfm/ton;
80/72
95 149 61 344 100 14
75 120 49 253 77 20
85 122 50 298 87 19
400 cfm/ton;
75/62
95 124 51 346 97 19
Table 72: 30 ton charging table - System 1
Air flow
indoor DB/WB
Outdoor
DB °F
Suction
pressure
psig
Suction
temp °F
Liquid
pressure
psig
Liquid
temp °F
Delta T
indoor
DB °F
75 110 51 250 81 28
85 112 52 293 90 28
300 cfm/ton;
80/62
95 114 53 340 100 27
75 121 56 249 83 24
85 123 56 293 92 23
300 cfm/ton;
80/67
95 126 57 340 102 22
75 133 61 251 84 19
85 135 61 294 94 18
300 cfm/ton;
80/72
95 137 62 341 104 18
75 109 50 251 80 24
85 111 51 294 89 23
300 cfm/ton;
75/62
95 114 52 341 99 23
75 117 54 250 82 24
85 119 55 293 91 24
400 cfm/ton;
80/62
95 120 55 340 101 23
75 129 58 250 83 20
85 130 59 293 93 19
400 cfm/ton;
80/67
95 132 60 341 102 19
75 140 63 252 84 16
85 142 64 294 95 15
400 cfm/ton;
80/72
95 145 65 341 105 14
75 116 54 250 81 20
85 118 54 294 90 20
400 cfm/ton;
75/62
95 120 55 342 100 19
Table 73: 30 ton charging table - System 2
Air flow
indoor DB/WB
Outdoor
DB °F
Suction
pressure
psig
Suction
temp °F
Liquid
pressure
psig
Liquid
temp °F
Delta T
indoor
DB °F
75 112 50 248 80 28
85 114 51 291 90 28
300 cfm/ton;
80/62
95 117 52 337 100 27
75 123 55 247 83 24
85 126 56 290 92 23
300 cfm/ton;
80/67
95 128 57 337 102 22
75 134 59 248 83 19
85 137 61 291 94 18
300 cfm/ton;
80/72
95 140 62 338 103 18
75 112 50 249 80 24
85 114 51 292 89 23
300 cfm/ton;
75/62
95 116 52 339 99 23
75 119 53 247 82 24
85 121 54 290 91 24
400 cfm/ton;
80/62
95 123 55 337 101 23
75 132 58 247 83 20
85 133 59 290 93 19
400 cfm/ton;
80/67
95 135 60 337 103 19
75 142 63 249 83 16
85 143 63 296 91 15
400 cfm/ton;
80/72
95 147 65 338 104 14
75 118 53 248 81 20
85 120 54 292 90 20
400 cfm/ton;
75/62
95 123 55 339 100 19
Installation Manual: YORK
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Johnson Controls Ducted Systems