Thermo Pride CMA4-50D36N Installation And Service Manual page 43

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
700
ML
876
MED
990
MH
1174
High
1398
Speed Tap \
Static
Pressure
0.1
Low
63
ML
50
MED
44
MH
37
High
31
Speed Tap
Blower Motor Current Draw (Amps) vs. External Static pressure (in. WC.)
\ Static
0.1
Pressure
Low
1.1
ML
1.7
MED
2.2
MH
3.4
High
5.2
Speed Tap \
Static
Pressure
0.1
Low
72
ML
123
MED
168
MH
266
High
438
CMC2-50DV3
HTG Speed
LOW
LOW
LOW
Furnace Airflow (CFM) vs. External Static pressure (in. WC.)
0.2
0.3
639
567
834
781
948
907
1145
1107
1365
1326
Temperature Rise vs. External Static Pressure (in. WC.)
0.2
0.3
69
78
53
56
46
48
38
40
32
33
0.2
0.3
1.1
1.2
1.7
1.8
2.2
2.3
3.4
3.4
5.2
5.2
Blower Motor Watts vs. External Static pressure (in. WC.)
0.2
0.3
77
81
127
133
173
178
272
277
442
445
=
Recommended operation range
38
Recommended CLG Speed
MED-LOW
MED-HIGH
HIGH
0.4
0.5
0.6
497
437
387
725
653
602
857
811
756
1066
1026
987
1299
1265
1252
0.4
0.5
0.6
88
101
114
61
67
73
51
54
58
41
43
45
34
35
35
0.4
0.5
0.6
1.2
1.2
1.3
1.8
1.9
1.9
2.4
2.5
2.5
3.5
3.6
3.6
5.3
5.3
5.4
0.4
0.5
0.6
84
87
91
137
141
145
183
188
192
284
290
296
450
455
461
0.7
332
556
700
942
1190
0.7
132
79
63
47
37
0.7
1.4
2.0
2.5
3.7
5.5
0.7
95
148
197
301
468

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