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
Heating
Speed
Tap
Adjust
Tap
Low Stage
CFM
at .1" - .5" w.c.
ESP
High Stage
CFM
at .1" - .5" w.c.
ESP
Rise
(°F)
Heating
Speed
Tap
Adjust
Tap
Low Stage
CFM
at .1" - .5" w.c.
ESP
High Stage
CFM
at .1" - .5" w.c.
ESP
Rise
(°F)
Minus(-)
523
736
55
Minus(-)
756
1089
56
Normal
581
818
49
Normal
840
1210
50
Plus (+)
639
900
45
Plus (+)
924
1331
46
Minus(-)
580
827
49
Minus(-)
828
1192
51
Normal
644
919
44
Normal
920
1325
46
Plus (+)
708
1010
40
Plus (+)
1012
1457
42
Minus(-)
640
920
44
Minus(-)
900
1296
47
Normal
711
1022
39
Normal
1000
1440
42
Plus (+)
782
1124
36
Plus (+)
1100
1584
38
Minus(-)
716
1020
39
Minus(-)
972
1400
43
Normal
795
1134
36
Normal
1080
1555
39
Plus (+)
875
1247
32
Plus (+)
1188
1711
35
Heating
Speed
Tap
Adjust
Tap
Low Stage
CFM
at .1" - .5" w.c.
ESP
High Stage
CFM
at .1" - .5" w.c.
ESP
Rise
(°F)
Minus(-)
945
1341
60
Normal
1050
1490
54
Plus (+)
1155
1639
49
Minus(-)
1008
1413
57
Normal
1120
1570
51
Plus (+)
1232
1727
47
Minus(-)
1080
1521
53
Normal
1200
1690
48
Plus (+)
1320
1859
43
Minus(-)
1125
1602
50
Normal
1250
1780
45
Plus (+)
1375
1958
41
D
GMVC950905CX*
AMVC950905CX*
(Rise Range: 30 - 60°F)
A
B
C
C
D
GMVC950453BX*
AMVC950453BX*
(Rise Range: 30 - 60°F)
A
B
D
GMVC950704CX*
AMVC950704CX*
(Rise Range: 30 - 60°F)
A
B
C
