BLOWER PERFORMANCE SPECIFICATIONS
22
1. Units are shipped without filter(s). CFM in chart is without filter(s).
2. All furnaces shipped with heating speed set at "B" and cooling speed set at "D". Installer should adjust blower speed
as needed. The first task is to determine the proper aiflow for the cooling system.
3. For most cooling applications, about 400 CFM per ton is desirable.
4. The chart is for information only. For satisfactory operation, external static pressure not to exceed value shown on
rating plate.
5. Do not operate above 0.5" w.c. ESP in heating mode. Operating between 0.5" w.c. and 0.8" w.c. is tabulated for cooling
purposes only.
6. * Motor CFM minimum.
GMVC95/AMVC95 Heating Speed Charts
H eating
Speed
Tap
Adjus t
Tap
Low Stage
C FM
at .1" - .5" w.c.
ESP
H igh Stage
C FM
at .1" - .5" w .c.
ESP
R is e
(°F)
H eating
Speed
Tap
Adjus t
Tap
Low Stage
C FM
at .1" - .5" w .c.
ESP
H igh Stage
CFM
at .1" - .5" w .c.
ESP
R is e
(°F)
Minus (-)
495
713
57
Minus (-)
756
1089
56
N orm al
550
792
41
Norm al
840
1210
50
Plus (+)
605
871
46
Plus (+)
924
1331
46
Minus (-)
540
778
52
Minus (-)
828
1192
51
N orm al
600
864
47
Norm al
920
1325
46
Plus (+)
660
950
43
Plus (+)
1012
1457
42
Minus (-)
585
842
48
Minus (-)
900
1296
47
N orm al
650
936
43
Norm al
1000
1440
42
Plus (+)
715
1030
39
Plus (+)
1100
1584
38
Minus (-)
630
907
45
Minus (-)
972
1400
43
N orm al
700
1008
40
Norm al
1080
1555
39
Plus (+)
770
1109
36
Plus (+)
1188
1711
35
H eating
Speed
Tap
Adjus t
Tap
Low Stage
C FM
at .1" - .5" w.c.
ESP
H igh Stage
C FM
at .1" - .5" w .c.
ESP
R is e
(°F)
Minus (-)
945
1341
60
N orm al
1050
1490
54
Plus (+)
1155
1639
49
Minus (-)
1008
1413
57
N orm al
1120
1570
51
Plus (+)
1232
1727
47
Minus (-)
1080
1521
53
N orm al
1200
1690
48
Plus (+)
1320
1859
43
Minus (-)
1125
1602
50
N orm al
1250
1780
45
Plus (+)
1375
1958
41
D
GMVC 950704C X*
AMVC950704C X*
(R is e R ange: 30 - 60°F)
A
B
C
C
D
GMVC950453BX*
AMVC 950453BX*
(R is e Range: 30 - 60°F)
A
B
D
GMVC 950905C X*
AMVC 950905C X*
(R is e Range: 30 - 60°F)
A
B
C
