Technical Information

BLOWER PERFORMANCE SPECIFICATIONS
11
*CVC960403BNA
Cooling Speeds
( @ .1" - .8" w.c. ESP)
*CVC960403BNA
Heating Speed
(@ .1" - .5" w.c. ESP; Rise Range: 20 - 50°F)
Tap Adjust
High-Stage
CFM
Low-Stage
CFM
Ta p A dj us t
High-Stage
CFM
Low-Stage
CFM
Rise
(°F)
A
Minus 10% 590 404
A
Minus 10% 861 614 41
Minus 5% 622 427 Minus 5% 909 648 39
Normal 655 449 Normal 957 682 37
Plus 5% 688 471 Plus 5% 1,005 716 35
Plus 10% 721 494 Plus 10% 1,053 750 34
B
Minus 10% 726 512
B
Minus 10% 953 675 37
Minus 5% 767 541 Minus 5% 1,006 713 35
Normal 807 569 Normal 1,059 750 34
Plus 5% 847 597 Plus 5% 1,112 788 32
Plus 10% 888 626 Plus 10% 1,165 825 31
C
Minus 10% 898 644
C
Minus 10% 1,040 738 34
Minus 5% 948 680 Minus 5% 1,097 779 32
Normal 998 716 Normal 1,155 820 31
Plus 5% 1,048 752 Plus 5% 1,213 861 29
Plus 10% 1,098 788 Plus 10% 1,271 902 28
D
Minus 10% 1,086 769
D
Minus 10% 1,126 799 32
Minus 5% 1,147 811 Minus 5% 1,188 844 30
Normal 1,207 854 Normal 1,251 888 28
Plus 5% 1,267 897 Plus 5% 1,314 932 27
Plus 10% 1,328 939 Plus 10% 1,376 977 26
*CVC960603BNA
Cooling Speeds
( @ .1" - .8" w.c. ESP)
*CVC960603BNA
Heating Speed
(@ .1" - .5" w.c. ESP; Rise Range: 35 - 65°F)
Tap Adju st
High-Stage
CFM
Low-Stage
CFM
Tap Adjust
High-Stage
CFM
Low-Stage
CFM
Rise
A
Minus 10% 590 390
A
Minus 10% 844 618 63
Minus 5% 623 411 Minus 5% 891 653 60
Normal 656 433 Normal 938 687 57
Plus 5% 689 455 Plus 5% 985 721 54
Plus 10% 722 476 Plus 10% 1,032 756 52
B
Minus 10% 711 487
B
Minus 10% 855 676 62
Minus 5% 751 514 Minus 5% 903 713 59
Normal 790 541 Normal 950 751 56
Plus 5% 830 568 Plus 5% 998 789 53
Plus 10% 869 595 Plus 10% 1,045 826 51
C
Minus 10% 875 617
C
Minus 10% 887 733 60
Minus 5% 923 652 Minus 5% 937 773 57
Normal 972 686 Normal 986 814 54
Plus 5% 1,021 720 Plus 5% 1,035 855 52
Plus 10% 1,069 755 Plus 10% 1,085 895 49
D
Minus 10% 1,076 725
D
Minus 10% 893 787 60
Minus 5% 1,135 766 Minus 5% 942 830 57
Normal 1,195 806 Normal 992 874 54
Plus 5% 1,255 846 Plus 5% 1,042 918 51
Plus 10% 1,315 887 Plus 10% 1,091 961 49
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.
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