Lennox LGH180H Installation Instructions Manual page 24

LGH/LCH180H NORMAL OPERATING PRESSURES - ALUMINUM COIL
65 °F
Suct Disc
(psig) (psig)
104 235
114 238
Circuit 1
130 245
146 253
100 241
111 244
Circuit 2
128 249
144 257
106 241
118 242
Circuit 3
134 250
151 260
LGH/LCH210H NORMAL OPERATING PRESSURES - ALUMINUM COIL
65 °F
Suct Disc
(psig) (psig)
110 228
119 231
Circuit 1
136 238
152 246
112 232
121 235
Circuit 2
137 242
153 253
105 241
112 244
Circuit 3
130 251
146 261
LGH/LCH156, 180, 210, 240, 300S
Normal Operating Pressures
Outdoor Coil Entering Air Temperature
75 °F 85 °F
Suct Disc Suct
(psig) (psig) (psig)
106 275 105
118 275 115
134 281 136
153 289 157
103 281 104
112 282 113
132 286 131
151 295 154
110 278 110
115 282 120
138 287 140
157 298 160
Normal Operating Pressures
Outdoor Coil Entering Air Temperature
75 °F 85 °F
Suct Disc Suct
(psig) (psig) (psig)
113 262 114
121 266 123
139 271 141
157 277 161
111 267 113
123 272 125
141 278 144
159 289 164
106 284 108
115 282 118
132 289 135
151 297 156
Page 24
TABLE 5
95 °F
Disc Suct Disc
(psig) (psig) (psig)
326 106 389
319 117 378
320 136 365
330 159 374
327 105 379
327 115 379
331 132 377
336 158 382
326 111 380
326 120 380
328 139 378
340 163 385
TABLE 6
95 °F
Disc Suct Disc
(psig) (psig) (psig)
302 116 349
305 125 352
312 143 358
319 165 363
312 115 358
311 127 357
317 146 365
333 168 374
327 110 375
323 121 369
332 138 378
339 159 386
105 °F 115 °F
Suct Disc Suct
(psig) (psig) (psig)
110 466 113
119 447 122
138 424 141
162 421 165
109 442 112
116 445 119
135 434 139
158 439 161
114 447 117
123 437 126
142 431 145
165 435 167
105 °F 115 °F
Suct Disc Suct
(psig) (psig) (psig)
118 402 119
127 405 128
146 409 149
169 414 171
116 414 119
126 415 129
149 415 151
171 425 174
112 429 115
121 428 123
141 428 145
163 437 165
Disc
(psig)
552
527
483
478
513
507
488
498
536
512
491
494
Disc
(psig)
466
466
464
472
479
476
471
478
489
487
484
495