Thermo Pride CMA4-50D36N Installation And Service Manual page 40

Gas fired high efficiency furnace
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ALTERATIONS REQ'D FOR A/C @ DESIGN EXTERNAL STATIC PRESSURE
COOLING UNIT
24,000
30,000
36,000
Speed Tap \
Static
Pressure
0.1
Low
817
ML
1019
MH
1257
High
1470
Speed Tap \
Static
Pressure
0.1
Low
81
ML
65
MH
52
High
45
Speed Tap \
Blower Motor Current Draw (Amps) vs. External Static pressure (in. WC.)
Static
0.1
Pressure
Low
3.1
ML
3.9
MH
4.8
High
5.7
Speed Tap \
Static
Pressure
0.1
Low
312
ML
400
MH
513
High
624
CMA4-75D36
HTG Speed
MED-LOW
MED-LOW
MED-LOW
Furnace Airflow (CFM) vs. External Static pressure (in. WC.)
0.2
0.3
797
773
995
959
1210
1174
1420
1366
Temperature Rise vs. External Static Pressure (in. WC.)
0.2
0.3
83
85
66
69
55
56
46
48
0.2
0.3
3.0
2.9
3.8
3.6
4.6
4.4
5.5
5.4
Blower Motor Watts vs. External Static pressure (in. WC.)
0.2
0.3
303
298
390
381
490
478
605
591
=
Recommended operation range
35
Recommended CLG Speed
MED-LOW
MED-HIGH
HIGH
0.4
0.5
730
668
918
869
1125
1076
1312
1259
0.4
0.5
90
90
72
76
59
61
50
52
0.4
0.5
2.8
2.7
3.5
3.3
4.2
4.1
5.2
5.1
0.4
0.5
291
280
366
354
462
447
573
556
0.6
0.7
620
555
821
760
1024
959
1196
1127
0.6
0.7
106
119
80
87
64
69
55
59
0.6
0.7
2.6
2.5
3.2
3.1
4.0
3.8
5.0
4.8
0.6
0.7
273
264
342
330
432
413
542
522

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