TECHNICAL
SUPPORT MANUAL
Split System Heat Pump: (H,C,T)4H4
12
428 04 5513 00
COOLING
48 Size Outdoor With FS(M,U)4X60**** Indoor Cooling
Outdoor Ambient Temperature − Degrees F, Dry Bulb
75
85
95
105
115
Entering Indoor Temperature − Degrees F, Wet Bulb
CFM
72
67
63
††
62
57
72
67
63
††
62
57
72
67
63
††
62
57
72
67
63
††
62
57
72
67
63
††
62
57
1400
MBh
†
56.53
51.42
47.69
46.71
45.05
53.78
48.87
45.30
44.38
43.21
50.91
46.24
42.84
41.99
41.29
47.93
43.50
40.28
39.54
39.28
44.78
40.62
37.59
37.15
37.15
S/T
‡
0.50
0.68
0.71
0.90
1.00
0.51
0.70
0.73
0.92
1.00
0.52
0.71
0.74
0.94
1.00
0.52
0.73
0.76
0.97
1.00
0.54
0.76
0.78
1.00
1.00
AMPS*
13.65
13.73
13.77
13.78
13.79
15.46
15.50
15.52
15.52
15.52
17.40
17.41
17.41
17.40
17.40
19.49
19.47
19.44
19.43
19.42
21.72
21.67
21.61
21.60
21.60
HI PR
284
279
275
274
273
327
321
317
316
315
373
368
363
362
361
424
418
413
412
412
479
473
468
467
467
LO PR
157
143
134
131
127
159
146
136
133
130
161
148
138
136
134
164
150
140
138
137
166
153
142
141
141
1600
MBh
†
57.58
52.42
48.65
47.72
46.91
54.71
49.75
46.15
45.32
44.94
51.72
47.00
43.57
42.91
42.89
48.62
44.15
40.91
40.75
40.75
45.35
41.15
38.12
38.47
38.47
S/T
‡
0.52
0.71
0.74
0.94
1.00
0.52
0.73
0.76
0.97
1.00
0.53
0.75
0.78
1.00
1.00
0.54
0.77
0.80
1.00
1.00
0.56
0.80
0.82
1.00
1.00
AMPS*
13.99
14.06
14.11
14.12
14.13
15.80
15.85
15.87
15.87
15.87
17.75
17.77
17.77
17.76
17.76
19.85
19.83
19.80
19.80
19.80
22.08
22.04
21.98
21.99
21.99
HI PR
285
280
277
276
275
328
323
318
318
317
375
369
364
364
364
425
419
414
414
414
480
474
469
470
470
LO PR
160
147
137
135
133
162
149
139
137
136
165
151
141
139
139
167
153
143
143
143
169
155
145
147
147
1800
MBh
†
58.34
53.14
49.35
48.61
48.46
55.39
50.39
46.76
46.37
46.37
52.30
47.55
44.11
44.21
44.21
49.11
44.61
41.36
41.95
41.95
45.74
41.53
38.49
39.55
39.55
S/T
‡
0.53
0.74
0.77
0.99
1.00
0.54
0.76
0.79
1.00
1.00
0.55
0.78
0.81
1.00
1.00
0.56
0.81
0.84
1.00
1.00
0.58
0.84
0.87
1.00
1.00
AMPS*
14.33
14.41
14.46
14.46
14.46
16.15
16.20
16.22
16.22
16.22
18.11
18.13
18.13
18.13
18.13
20.20
20.19
20.17
20.17
20.17
22.44
22.40
22.35
22.37
22.37
HI PR
286
281
278
277
277
329
324
320
319
319
376
370
365
366
366
427
420
416
417
417
481
475
470
472
472
LO PR
163
150
139
138
138
165
151
141
141
141
167
153
143
144
144
169
156
145
147
147
172
158
147
151
151
HEATING
48 Size Outdoor With FS(M,U)4X60**** Indoor Heating
Outdoor Ambient Temperature − Degrees F, Dry Bulb
−3
7
17
27
37
47
57
67
Entering Indoor Temperature − Degrees F, Dry Bulb
CFM
65
70
75
65
70
75
65
70
75
65
70
75
65
70
75
65
70
75
65
70
75
65
70
75
1400
MBh
†
20.09
19.53
18.93
24.72
24.19
23.64
29.71
29.20
28.66
35.10
34.59
34.06
41.16
40.48
39.84
47.99
47.22
46.50
55.77
55.05
54.24
63.68
62.85
62.07
T/R
14.70
14.40
14.10
18.20
18.00
17.70
22.00
21.80
21.60
26.20
26.00
25.90
31.00
30.70
30.50
36.50
36.20
35.90
42.90
42.70
42.40
49.50
49.30
49.10
AMPS*
13.26
13.85
14.44
13.78
14.41
15.06
14.32
15.00
15.70
14.91
15.64
16.40
15.59
16.35
17.15
16.41
17.23
18.07
17.14
18.02
18.94
18.20
19.11
20.06
HI PR
230
247
264
243
260
278
258
276
295
276
295
314
297
316
336
323
343
364
348
370
392
382
404
427
LO PR
37
37
37
48
48
48
60
60
61
74
74
74
89
89
90
105
106
106
124
125
125
142
144
145
1600
MBh
†
20.49
19.93
19.34
25.15
24.63
24.08
30.17
29.67
29.14
35.61
35.11
34.59
41.82
41.11
40.47
48.81
48.00
47.25
56.16
55.53
54.85
63.43
63.20
62.50
T/R
13.10
12.80
12.50
16.10
15.90
15.70
19.50
19.30
19.10
23.10
23.00
22.90
27.40
27.10
26.90
32.20
32.00
31.70
37.40
37.30
37.20
42.70
42.90
42.80
AMPS*
13.47
14.05
14.65
13.92
14.56
15.21
14.39
15.07
15.77
14.90
15.64
16.39
15.51
16.25
17.04
16.10
16.99
17.86
16.79
17.65
18.54
17.61
18.58
19.52
HI PR
226
242
259
237
254
272
251
269
287
266
285
304
286
304
324
307
328
349
331
351
373
358
382
404
LO PR
37
37
37
48
48
48
60
60
60
73
74
74
88
89
89
105
106
106
122
123
124
139
141
142
1800
MBh
†
20.86
20.30
19.71
25.54
25.02
24.47
30.59
30.09
29.57
36.08
35.57
35.05
42.36
41.86
41.01
49.32
48.68
47.91
56.22
55.71
55.15
59.94
60.99
61.67
T/R
11.80
11.60
11.30
14.50
14.30
14.20
17.50
17.30
17.20
20.70
20.60
20.50
24.50
24.40
24.10
28.80
28.60
28.40
33.10
33.00
33.00
35.40
36.40
37.20
AMPS*
13.71
14.29
14.90
14.12
14.75
15.41
14.54
15.21
15.91
14.99
15.72
16.47
15.53
16.30
17.05
15.99
16.81
17.69
16.63
17.48
18.35
16.93
18.00
19.08
HI PR
222
239
256
233
250
268
245
263
281
259
278
297
277
296
315
295
315
336
318
338
359
329
356
383
LO PR
37
37
37
48
48
48
60
60
60
73
74
74
88
89
89
104
105
106
120
122
123
129
134
138