6021980-UIM-A-1120
78 Johnson Controls Ducted Systems
Table 36: ZT090 charging table - system 1
Table 37: ZT090 charging table - system 2
Air flow
Indoor Db/Wb
Outdoor DB
Suction
pressure
Suction
temp.
Discharge
pressure
Liquid temp. Delta T Db
Entering evap
Db
Leaving evap
Db
300 CFM/ton
80/62
75 133 55 252 82 31 80 49
85 135 54 293 92 29 80 51
95 137 54 339 99 28 80 52
300 CFM/ton
80/67
75 143 60 254 81 26 80 54
85 146 60 296 91 25 80 55
95 149 60 342 99 23 80 57
300 CFM/ton
80/72
75 156 67 259 80 21 80 59
85 160 67 300 90 20 80 60
95 162 67 346 99 19 80 61
300 CFM/ton
75/62
75 132 54 252 82 26 75 49
85 135 54 292 91 25 75 50
95 138 54 338 101 23 75 52
400 CFM/ton
80/62
75 136 56 256 78 26 80 54
85 140 56 296 88 26 80 54
95 144 57 342 99 25 80 55
400 CFM/ton
80/67
75 151 65 257 81 22 80 58
85 154 64 298 90 21 80 59
95 156 63 345 98 21 80 59
400 CFM/ton
80/72
75 162 71 263 78 17 80 63
85 166 70 304 88 17 80 64
95 169 70 350 97 16 80 64
400 CFM/ton
75/62
75 139 58 255 80 22 75 53
85 142 57 296 90 21 75 54
95 144 57 342 98 21 75 54
Air flow
Indoor Db/Wb
Outdoor DB
Suction
pressure
Suction
temp.
Discharge
pressure
Liquid temp. Delta T Db
Entering evap
Db
Leaving evap
Db
300 CFM/ton
80/62
75 128 54 256 80 31 80 49
85 131 53 300 88 29 80 51
95 135 52 348 97 28 80 52
300 CFM/ton
80/67
75 140 61 260 78 26 80 54
85 144 60 303 88 25 80 55
95 147 59 351 97 23 80 57
300 CFM/ton
80/72
75 150 68 265 77 21 80 59
85 154 67 307 87 20 80 60
95 159 66 355 97 19 80 61
300 CFM/ton
75/62
75 128 54 258 77 26 75 49
85 132 53 300 87 25 75 50
95 135 53 348 96 23 75 52
400 CFM/ton
80/62
75 132 57 261 76 26 80 54
85 137 57 303 86 26 80 54
95 141 56 351 96 25 80 55
400 CFM/ton
80/67
75 146 65 263 77 22 80 58
85 150 64 306 87 21 80 59
95 153 62 354 97 21 80 59
400 CFM/ton
80/72
75 155 71 271 75 17 80 63
85 160 70 312 86 17 80 64
95 164 69 358 96 16 80 64
400 CFM/ton
75/62
75 134 58 260 77 22 75 53
85 138 57 303 87 21 75 54
95 141 56 350 96 21 75 54