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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
Adjus t
Tap
Low Stage
CFM
at .1" - .5" w.c.
ESP
High Stage
CFM
at .1" - .5" w.c.
ESP
Rise
(°F)
Minus(-) 495 713 57 Minus(-) 756 1089 56
Normal 550 792 41 Normal 840 1210 50
Plus (+) 605 871 46 Plus (+) 924 1331 46
Minus(-) 540 778 52 Minus(-) 828 1192 51
Normal 600 864 47 Normal 920 1325 46
Plus (+) 660 950 43 Plus (+) 1012 1457 42
Minus(-) 585 842 48 Minus(-) 900 1296 47
Normal 650 936 43 Normal 1000 1440 42
Plus (+) 715 1030 39 Plus (+) 1100 1584 38
Minus(-) 630 907 45 Minus(-) 972 1400 43
Normal 700 1008 40 Normal 1080 1555 39
Plus (+) 770 1109 36 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
GMVC950704CX*
AMVC950704CX*
(Rise Range: 30 - 60°F)
A
B
CC
D
GMVC950453BX*
AMVC950453BX*
(Rise Range: 30 - 60°F)
A
B
D
GMVC950905CX*
AMVC950905CX*
(Rise Range: 30 - 60°F)
A
B
C