Technical Information

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)
Ta p A dj us t
High-Stage
CFM
Low-Stage
CFM
Tap Ad just
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