45
All installations and services must be performed by qualified service personnel.
ALTERATIONS REQ’D FOR A/C @ DESIGN EXTERNAL STATIC PRESSURE
COOLING UNIT
HTG Speed by Input
Low Mid High
Fire Fire Fire
Recommended CLG Speed
36,000
LOW
MED
MH
LOW
42,000
LOW
MED
MH
MED LOW
48,000
LOW
MED
MH
MED HIGH
AS SHIPPED CLG.
60,000
LOW
MED
MH
HIGH
Speed Tap\ Static Pressure
Furnace Airflow (CFM) vs. External Static pressure (in. WC.)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Low
1454
1392
1321
1255
1158
1074
932
ML
1620
1567
1499
1413
1349
1282
1202
Med
1674
1613
1560
1502
1429
1370
1287
MH
1778
1737
1666
1613
1551
1487
1417
High
2148
2091
2029
1973
1928
1884
1834
Furnace Motor Current Draw (Amps/Watts) vs. External Static pressure (in. WC.)
Low
3.4
266
3.6
280
3.7
292
3.9
306
4.0
321
4.2
331
4.3
344
ML
4.4
351
4.6
366
4.7
381
4.9
399
5.1
413
5.2
424
5.3
435
Med
4.9
400
5.1
416
5.3
429
5.4
445
5.6
462
5.8
471
5.9
485
MH
5.8
475
5.9
486
6.1
502
6.2
518
6.5
537
6.6
553
6.8
565
High
9.3
806
9.4
815
9.6
837
9.8
855
10.0
874
10.2
891
10.4
912
Speed Tap\ Static Pressure
High Fire Temperature Rise vs. External Static pressure (in. WC.)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Low
84
88
93
98
106
114
132
ML
76
78
82
87
91
96
102
Med
73
76
79
82
86
90
95
MH
69
71
74
76
79
83
87
High
57
59
61
62
64
65
67
Speed Tap\ Static Pressure
Mid Fire Temperature Rise vs. External Static pressure (in. WC.)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Low
76
79
83
88
95
103
118
ML
68
70
73
78
82
86
92
AS SHIPPED HTG.
Med
66
68
71
73
77
80
86
MH
62
63
66
68
71
74
78
High
51
53
54
56
57
58
60
Speed Tap\ Static Pressure
Low Fire Temperature Rise vs. External Static pressure (in. WC.)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Low
64
67
71
75
81
87
101
ML
58
60
62
66
69
73
78
Med
56
58
60
62
66
68
73
MH
53
54
56
58
60
63
66
High
44
45
46
47
49
50
51
OL8FA119T60
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