Lennox Elite ELS Series Installation Instructions Manual page 22

TABLE 7. Normal Operating Pressures* – Single and Two Stage – Residential
Entering Outdoor
Air Temp
ºF (ºC)
ºF (ºC)
65 (18)
75 (24)
85 (29)
95 (35)
105 (41)
115 (46)
125 (52)
SCFM
Entering ELS120S4D + (2) CBA27UHE-060
Outdoor Air or (2) CBA38MV-060
Temp
STAGE 1
ºF (ºC)
ºF (ºC) Liquid Suction Liquid Suction Liquid Suction Liquid Suction Liquid Suction
65 (18)
251
75 (24) 292
85 (29) 340
95 (35) 391
105 (41) 446
115 (46)
505
125 (52) 569
SCFM
Entering
Outdoor Air
Temp ºF (ºC)
ºF (ºC) Liquid
65 (18) 241
75 (24)
282
85 (29) 326
95 (35) 374
105 (41) 427
115 (46) 485
125 (52) 548
SCFM
Entering
Outdoor Air
Temp ºF (ºC)
ºF (ºC) Liquid
65 (18) 253
75 (24) 292
85 (29) 326
95 (35)
375
105 (41) 425
115 (46) 479
125 (52) 542
SCFM
*Pressures at 80ºF dry bulb and 67ºF wet bulb entering indoor air temperatures.
ELS090 + (2) CX35-060C
STAGE 1
Liquid
255
295
340
389
442
498
559
3000
STAGE 2
133 250 131
135 287 134
137 333 136
140 384 139
143 441 142
145 501 144
148 566 147
3615
ELS120S4D + (2) CX35-60C
STAGE 1
Suction Liquid
130 243
133 282
136 327
139 375
142 428
145 486
148 550
3200
ELS120S4D + (2) CBA25UH-060
STAGE 1
Suction Liquid
127 255
129 284
132 326
135 377
141 433
144 489
146 548
3500
Suction
139
142
145
147
150
153
156
ELS120S4D + (2) CH33-62D
STAGE 1 STAGE 2
240 125 241
280 129 282
324 132 326
372 135 374
425 139 427
483 143 484
545 146 548
3200
STAGE 2
Suction Liquid
129 240
132 281
135 325
138 373
141 427
144 484
147 548
STAGE 2
Suction
127
129
132
135
141
144
146
Page 22
ELS090 + (2) CX35-060D
STAGE 1
Liquid
253
293
338
386
439
496
558
3000
ELS120S4D + (2) CH23-068
STAGE 1
125 241 128
128 281 131
131 325 134
134 373 137
137 427 141
141 484 144
145 547 147
3200
ELS120S4D + (2) CX35-60D
STAGE 1
Suction Liquid
127 241
130 282
134 327
137 374
141 428
145 486
148 550
3200
Suction
134
137
140
143
146
149
153
STAGE 2
Liquid Suction
242 128
283 131
326 133
375 136
428 139
486 142
550 146
STAGE 2
Suction
127
130
133
136
139
143
146