Lennox Merit 13HPX Series Installation Instructions Manual page 28

Model
Number
20
ºF (ºC)*
(−7)
13HPX−018 275
13HPX−024 267
13HPX−030 267
13HPX−036 289
13HPX−042 275
13HPX−048 274
13HPX−060 275
*Temperature of the air entering the outside coil.
°F
−40
−35
−30
−25
−20
−15
−10
−5
0
5
10
15
20
25
30
35
40
45
50
55
506727−01
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Heating Mode
30 40 50 60
(−1) (4.5) (10) (16)
289 305 323 340
283 299 316 334
279 292 305 317
309 301 335 353
288 299 313 324
286 299 309 316
287 293 326 339
Table 5. HFC−410A Temperature
°C
−40.0
−37.2
−34.4
−31.7
−28.9
−26.1
−23.3
−20.6
−17.8
−15.0
−12.2
−9.4
−6.7
−3.9
−1.1
1.7
4.4
7.2
10.0
12.8
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Liquid Line Pressures
65 70 75 80
(18) (21) (24) (27)
236 252 272 294
251 271 293 315
259 283 307 331
264 284 305 327
238 258 280 303
245 265 285 307
259 272 294 315
Pressure (Psig)
Psig °F
11.6 60
14.9 65
18.5 70
22.5 75
26.9 80
31.7 85
36.8 90
42.5 95
48.6 100
55.2 105
62.3 110
70.0 115
78.3 120
87.3 125
96.8 130
107 135
118 140
130
145
142 150
155
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Cooling Mode
85 90 95 100
(29) (32) (35) (38)
316 339 363 389
337 361 386 413
355 379 403 427
350 372 399 425
325 350 375 402
330 354 381 409
343 366 388 416
°C
15.6
18.3
21.1
23.9
26.7
29.4
32.2
35.0
37.8
40.6
43.3
46.1
48.9
51.7
54.4
57.2
60.0
62.8
65.6
105 110 115
(41) (43) (45)
415 443 472
441 471 502
451 475 499
452 480 510
430 459 490
438 469 505
443 474 494
Psig
170
185
201
217
235
254
274
295
317
340
365
391
418
446
476
507
539
573
608