BLOWER PERFORMANCE SPECIFICATIONS
*MVM971005CNA
(@ .1" - .8" w.c. ESP)
Tap
Adjust
Minus 10%
A
Normal
Plus 10%
Minus 10%
B
Normal
Plus 10%
Minus 10%
C
Normal
Plus 10%
Minus 10%
D
Normal
Plus 10%
*MVM971205DNA
(@ .1" - .8" w.c. ESP)
Tap
Adjust
Minus 10%
A
Normal
Plus 10%
Minus 10%
B
Normal
Plus 10%
Minus 10%
C
Normal
Plus 10%
Minus 10%
D
Normal
Plus 10%
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.
•
CFM between .5" and .8" w.c. is tabulated for cooling purposes only.
Cooling Speed
High-Stage
Low-Stage
CFM
CFM
738
508
820
564
902
620
1,020
706
1,133
784
1,246
862
1,318
884
1,464
982
1,610
1,080
1,562
1,133
1,736
1,259
1,910
1,385
Cooling Speed
High-Stage
Low-Stage
CFM
CFM
780
492
867
547
954
602
1,044
748
1,160
831
1,276
914
1,320
918
1,467
1,020
1,614
1,122
1,719
1,150
1,910
1,278
2,101
1,406
*MVM971005CNA
Heating Speed
(@ .1" - .5" w.c. ESP; Rise Range: 35 - 65°F)
High-Stage
Tap
Adjust
Minus 10%
A
Normal
Plus 10%
Minus 10%
C
Normal
Plus 10%
Minus 10%
D
Normal
Plus 10%
Minus 10%
D
Normal
Plus 10%
*MVM971205DNA
Heating Speed
(@ .1" - .5" w.c. ESP; Rise Range: 35 - 65°F)
High-Stage
Tap
Adjust
Minus 10%
A
Normal
Plus 10%
Minus 10%
C
Normal
Plus 10%
Minus 10%
D
Normal
Plus 10%
Minus 10%
D
Normal
Plus 10%
Rise
CFM
(°F)
1,636
55
1,818
49
2,000
45
1,683
53
1,870
48
2,057
44
1,719
52
1,910
47
2,101
43
1,761
51
1,957
46
2,153
42
Rise
CFM
(°F)
1,702
63
1,891
57
2,080
52
1,746
62
1,940
56
2,134
51
1,771
61
1,968
55
2,165
50
1,825
59
2,028
53
2,231
48
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