Lennox LGT156H Installation Instructions Manual page 28

180 NORMAL OPERATING PRESSURES - NO REHEAT - ALL-ALUMINUM COIL - 581085-01
65 F
Suct Disc
(psig) (psig)
100 217
107 219
Circuit 1
120 222
132 225
104 243
110 246
Circuit 2
124 251
139 258
119 242
123 246
Circuit 3
135 252
154 258
180 CHARGING CURVE CIRCUIT 1 - NO REHEAT - ALL-ALUMINUM COIL - 581086-01
110
100
90
80
70
60
100 110
LGT/LCT156, 180, 210, 240, 300
Outdoor Coil Entering Air Temperature
75 F 85 F
Suct Disc Suct
(psig) (psig) (psig)
104 249 106
111 251 114
125 255 130
138 258 144
106 283 108
113 286 116
129 292 133
144 299 150
119 282 120
124 285 126
138 292 141
157 298 162
120
Suction Pressure (psig)
Page 28
TABLE 6
95 F
Disc Suct Disc
(psig) (psig) (psig)
287 108 331
289 117 333
293 134 337
296 149 340
327 110 375
330 119 378
336 136 385
344 154 393
325 123 373
329 129 376
336 145 384
342 167 390
65°
130
105 F
Suct Disc Suct
(psig) (psig) (psig)
110 379 111
119 382 121
137 386 140
154 389 159
112 428 113
121 431 123
140 439 143
159 447 163
127 424 131
133 428 138
150 435 157
174 442 181
Outdoor Temperature (°F)
95°
85°
75°
140 150
115 F
Disc
(psig)
433
436
440
444
485
489
496
505
479
483
491
498
115°
105°
160