Page 9 of 16
507388-01
Issue 1732
Airflows and Heating Temperature Rises as a Function of External Static Pressure
Model
Rise
Range
(°F)
Mid
Rise
(°F)
Indoor
Blower
Speed
Unit
Voltage
(V)
0.1“ w.c.
0.2“ w.c.
0.3“ w.c.
0.4“ w.c.
SCFM
Temp
Rise
(°F)
SCFM
Temp
Rise
(°F)
SCFM
Temp
Rise
(°F)
SCFM
Temp
Rise
(°F)
HWC8(R/N)240912A
25 - 55
40
LOW
208
365
49
340
53
315
N/A
285
N/A
230
425
42
405
44
380
47
350
51
MED *
208
445
40
415
43
390
46
365
49
230
515
35
485
37
455
39
430
42
HIGH
208
620
29
585
31
555
32
520
34
230
685
26
650
28
610
29
570
31
HWC8(R/N)360912A
35 - 65
50
LOW
208
365
N/A
340
N/A
315
N/A
285
N/A
230
425
63
405
N/A
380
N/A
350
N/A
MED
208
445
60
415
65
390
N/A
365
N/A
230
515
52
485
55
455
59
430
62
HIGH *
208
620
43
585
46
555
48
520
52
230
685
39
650
41
610
44
570
47
HWC8(R/N)360918A
HWC8(R/N)360924A
25 - 55
40
LOW
208
480
N/A
465
N/A
450
N/A
435
N/A
230
610
44
590
45
565
47
535
50
MED *
208
750
36
715
38
685
39
655
41
230
810
33
770
35
735
37
700
38
HIGH
208
860
31
815
33
770
35
735
37
230
880
30
835
32
790
34
750
36
HWC8(R/N)480918A
HWC8(R/N)480924A
35 - 65
50
LOW
208
480
N/A
465
N/A
450
N/A
435
N/A
230
610
59
590
61
565
63
535
N/A
MED *
208
750
48
715
50
685
52
655
55
230
810
44
770
46
735
49
700
51
HIGH
208
860
42
815
44
770
46
735
49
230
880
41
835
43
790
45
750
48
HWC8(R/N)600918A
HWC8(R/N)600924A
45 - 75
60
LOW
208
480
N/A
465
N/A
450
N/A
435
N/A
230
610
73
590
N/A
565
N/A
535
N/A
MED
208
750
60
715
63
685
65
655
68
230
810
55
770
58
735
61
700
64
HIGH *
208
860
52
815
55
770
58
735
61
230
880
51
835
54
790
57
750
60
HWC8(R/N)480930A
30 - 60
45
TAP 1
(HEAT) 208 or 230
735
49
700
51
670
53
640
56
TAP 2
(HEAT) * 208 or 230
825
43
795
45
770
46
745
48
TAP 3
(HEAT) 208 or 230
895
40
865
41
840
43
810
44
TAP 4
(COOL) 208 or 230
800
765
735
715
TAP 5
(COOL) 208 or 230
880
845
820
795
HWC8(R/N)600930A
45 - 75
60
TAP 1
(HEAT) 208 or 230
735
61
700
64
670
67
640
70
TAP 2
(HEAT) * 208 or 230
825
54
795
56
770
58
745
60
TAP 3
(HEAT) 208 or 230
895
50
865
52
840
53
810
55
TAP 4
(COOL) 208 or 230
800
765
735
715
TAP 5
(COOL) 208 or 230
880
845
820
795
N/A: Do not operate unit in heating mode using this blower speed at this external static pressure. Outside of temperature rise range.
* As shipped speed for heating operation
Table 2.