BLOWER PERFORMANCE SPECIFICATIONS
13
Notes
•
All furnaces ship as high speed for cooling. Installer must adjust blower speed as needed.
•
For most jobs, about 400 CFM per ton when cooling is desirable.
•
*CVC961205DNA
Cooling Speeds
( @ .1" - .8" w.c. ESP)
*CVC961205DNA
Heating Speed
(@ .1" - .5" w.c. ESP; Rise Range: 35 - 65°F)
Tap
Adjust
High-Stage
CFM
Low-Stage
CFM
Tap
Adjust
High-Stage
CFM
Low-Stage
CFM
Rise
A
Minus 10%
769
486
A
Minus 10%
1,570
1,156
n/a
Minus 5%
811
513
Minus 5%
1,657
1,220
64
Normal
854
540
Normal
1,744
1,284
61
Plus 5%
897
567
Plus 5%
1,831
1,348
58
Plus 10%
939
594
Plus 10%
1,918
1,412
56
B
Minus 10%
1,011
783
B
Minus 10%
1,644
1,179
65
Minus 5%
1,067
827
Minus 5%
1,736
1,245
61
Normal
1,123
870
Normal
1,827
1,310
58
Plus 5%
1,179
914
Plus 5%
1,918
1,376
56
Plus 10%
1,235
957
Plus 10%
2,010
1,441
53
C
Minus 10%
1,259
900
C
Minus 10%
1,674
1,215
64
Minus 5%
1,329
950
Minus 5%
1,767
1,283
60
Normal
1,399
1,000
Normal
1,860
1,350
57
Plus 5%
1,469
1,050
Plus 5%
1,953
1,418
55
Plus 10%
1,539
1,100
Plus 10%
2,046
1,485
52
D
Minus 10%
1,624
1,112
D
Minus 10%
1,726
1,249
62
Minus 5%
1,714
1,173
Minus 5%
1,822
1,319
59
Normal
1,804
1,235
Normal
1,918
1,388
56
Plus 5%
1,894
1,297
Plus 5%
2,014
1,457
53
Plus 10%
1,984
1,359
Plus 10%
2,110
1,527
51