Lennox XP16 Series Unit Information page 26

Table 3 − Indoor Units Matchups and Subcooling Charge Levels (XP16−XXX−230−05)
XP16 Model −024
Table 1 − Subcooling Values
Saturation Temperature minus Liquid Line Temperature °F (ºC) + 1ºF (0.5ºC)
Temp. °F
8 (4.4)
(°C)
Table 2 − Approach Values
Liquid Line Temperature minus Outdoor Ambient Temperature ºF (ºC) + 1ºF (0.5ºC)
Temp. °F
8 (4.4)
(°C)
Table 3 − Normal Operating Pressures (Liq.
Temp. °F
Liquid
(°C)*
Cooling − First Stage (Low Capacity)
65 (18.3) 232
75 (23.9) 264
85 (29.4) 307
95 (35.0) 353
105 (40.6) 403
115 (46.1) 460
Cooling − Second Stage (High Capacity)
65 (18.3) 240
75 (23.9) 279
85 (29.4) 322
95 (35.0) 371
105 (40.6) 423
115 (46.1) 485
Heating − First Stage (Low Capacity)
40 (4.4) 337
50 (10) 322
Heating − Second Stage (High Capacity)
20 (−7.0) 279
30 (−1.0) 288
40 (4.4) 302
50 (10) 306
Outdoor Coil Entering Air Temp. F (C)
*
** These are most−popular−match−up pressures. Indoor match up, indoor air quality, and indoor load cause pressures to vary.
Charging Temperatures and Pressures
−036
7 (3.9
9 (5)
10 & Vap. 5 psig) **
+ +
Vapor Liquid
146 225
148 261
149 302
151 349
153 397
155 461
143 239
145 278
147 322
149 367
151 426
154 489
93 328
117 333
62 296
76 309
93 322
112 336
Page 26
−048
)
9 (5)
8 (4.4)
Vapor Liquid
144 235
147 268
149 310
151 356
153 407
157 466
139 244
141 283
143 326
146 374
148 427
151 491
98 369
118 366
62 311
75 334
92 354
113 381
−060
8 (4.4)
8 (4.4)
Vapor Liquid
144 225
145 264
147 305
148 352
150 405
152 459
140 241
141 280
144 324
147 373
148 425
151 486
75 351
114 335
58 308
72 323
89 318
108 329
Vapor
138
141
142
146
148
150
134
136
137
138
142
146
63
92
59
70
69
82
XP16