TECHNICAL
SUPPORT MANUAL
Split System Heat Pump: (H,C,T)4H4
428 04 5513 00
7
COOLING
19 Size Outdoor With FEM4X18**** 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
525
MBh†
21.45
19.37
17.89
17.51
16.75
20.42
18.43
17.02
16.66
16.10
19.32
17.43
16.09
15.77
15.40
18.18
16.38
15.10
14.82
14.65
16.96
15.27
14.06
13.87
13.84
S/T‡
0.51
0.69
0.71
0.89
1.00
0.52
0.70
0.73
0.91
1.00
0.53
0.72
0.74
0.94
1.00
0.53
0.74
0.76
0.97
1.00
0.55
0.76
0.79
1.00
1.00
AMPS*
4.74
4.75
4.76
4.77
4.77
5.43
5.42
5.41
5.41
5.41
6.14
6.13
6.12
6.12
6.11
6.92
6.90
6.90
6.89
6.89
7.78
7.76
7.76
7.75
7.75
HI PR
265
262
260
259
258
307
304
302
301
300
353
351
349
348
347
404
401
400
399
399
459
456
454
454
454
LO PR
154
141
131
129
124
156
143
133
131
127
159
145
136
133
131
161
148
138
136
135
164
151
141
139
139
600
MBh†
21.96
19.84
18.33
17.97
17.53
20.87
18.85
17.41
17.09
16.83
19.73
17.80
16.44
16.18
16.08
18.53
16.71
15.41
15.30
15.27
17.27
15.54
14.33
14.44
14.42
S/T‡
0.52
0.72
0.74
0.93
1.00
0.53
0.73
0.76
0.96
1.00
0.54
0.75
0.78
0.98
1.00
0.55
0.77
0.80
1.00
1.00
0.57
0.80
0.83
1.00
1.00
AMPS*
4.79
4.80
4.81
4.81
4.82
5.48
5.47
5.47
5.47
5.47
6.20
6.19
6.18
6.17
6.17
6.97
6.95
6.95
6.95
6.95
7.84
7.82
7.81
7.81
7.81
HI PR
266
263
261
260
259
308
305
303
302
302
354
352
350
349
349
404
402
400
400
400
460
457
455
455
455
LO PR
157
144
134
132
129
160
146
136
134
133
162
149
138
137
136
165
151
141
140
140
167
154
143
145
144
675
MBh†
22.36
20.20
18.67
18.37
18.19
21.22
19.17
17.72
17.48
17.45
20.03
18.08
16.70
16.67
16.65
18.80
16.95
15.65
15.82
15.80
17.49
15.76
14.53
14.92
14.90
S/T‡
0.54
0.74
0.77
0.97
1.00
0.55
0.76
0.79
1.00
1.00
0.56
0.78
0.81
1.00
1.00
0.57
0.81
0.84
1.00
1.00
0.59
0.84
0.87
1.00
1.00
AMPS*
4.85
4.85
4.86
4.86
4.86
5.53
5.53
5.52
5.52
5.52
6.25
6.24
6.23
6.23
6.23
7.03
7.01
7.00
7.00
7.00
7.90
7.87
7.86
7.86
7.86
HI PR
266
263
261
261
261
308
306
303
303
303
354
352
350
350
350
405
402
401
401
401
460
457
455
456
456
LO PR
160
147
137
135
134
162
149
139
138
137
165
151
141
141
141
167
153
143
145
145
170
156
145
149
149
HEATING
19 Size Outdoor With FEM4X18**** 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
525
MBh†
5.39
5.12
4.83
7.50
7.22
6.92
9.98
9.74
9.33
12.30
12.05
11.79
14.91
14.60
14.29
17.88
17.51
17.16
21.18
20.77
20.35
24.80
24.33
23.87
T/R
10.60
10.00
9.40
14.70
14.10
13.50
19.60
19.10
18.20
24.10
23.60
23.00
29.30
28.60
27.90
35.10
34.30
33.50
41.60
40.70
39.80
48.70
47.60
46.60
AMPS*
4.50
4.69
4.90
4.74
4.94
5.16
4.99
5.23
5.45
5.24
5.49
5.75
5.55
5.80
6.08
5.94
6.21
6.50
6.46
6.74
7.04
7.13
7.42
7.74
HI PR
223
238
254
239
255
272
259
276
293
280
297
316
305
323
341
336
354
373
373
392
411
418
438
458
LO PR
40
41
41
52
52
52
65
65
65
80
80
80
97
97
98
116
117
117
138
138
139
161
162
163
600
MBh†
5.47
5.21
4.92
7.61
7.34
7.04
10.10
9.88
9.62
12.46
12.21
11.95
15.13
14.82
14.50
18.17
17.80
17.43
21.55
21.12
20.70
25.23
24.76
24.29
T/R
9.40
8.90
8.40
13.10
12.60
12.00
17.30
16.90
16.40
21.40
20.90
20.40
26.00
25.40
24.80
31.20
30.50
29.80
37.00
36.20
35.40
43.30
42.40
41.50
AMPS*
4.51
4.70
4.91
4.72
4.93
5.15
4.95
5.19
5.43
5.17
5.42
5.68
5.45
5.71
5.97
5.81
6.08
6.36
6.30
6.57
6.87
6.94
7.23
7.53
HI PR
219
235
251
234
250
267
252
269
287
271
288
307
294
312
331
323
341
360
359
377
397
402
421
441
LO PR
40
40
41
52
52
52
65
65
65
80
80
80
97
97
97
116
117
117
137
138
138
161
161
162
675
MBh†
5.55
5.29
5.00
7.72
7.44
7.14
10.21
9.99
9.74
12.60
12.34
12.08
15.31
14.99
14.68
18.40
18.03
17.66
21.82
21.39
20.97
25.53
25.07
24.60
T/R
8.50
8.10
7.60
11.80
11.30
10.80
15.60
15.20
14.80
19.20
18.80
18.40
23.40
22.80
22.30
28.10
27.50
26.80
33.30
32.60
31.90
39.00
38.20
37.40
AMPS*
4.53
4.72
4.93
4.73
4.94
5.16
4.93
5.17
5.41
5.13
5.38
5.63
5.39
5.64
5.90
5.73
5.99
6.27
6.20
6.47
6.75
6.82
7.11
7.40
HI PR
217
233
249
230
247
263
247
264
282
264
282
300
286
304
322
314
332
350
349
367
386
390
409
429
LO PR
40
40
41
52
52
52
65
65
65
80
80
80
97
97
97
116
116
117
137
138
138
160
161
162
