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BLOWER PERFORMANCE SPECIFICATIONS
17
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.
AMV9 Continuous Fan Speed Chart
Cooling
Speed
Tap
Adjust
Tap
CFM at
.1" - .8"
w.c. ESP
Cooling
Speed
Tap
Adjust
Tap
CFM at
.1" - .8"
w.c. ESP
Cooling
Speed
Tap
Adjust
Tap
CFM at
.1" - .8"
w.c. ESP
Cooling
Speed
Tap
Adjust
Tap
CFM at
.1" - .8"
w.c. ESP
Minus(-) 380* Minus(-) 380* Minus(-) 513* Minus(-) 514*
Normal 380* Normal 380* Normal 513* Normal 514*
Plus (+) 380* Plus (+) 380* Plus (+) 513* Plus (+) 514*
Minus(-) 403 Minus(-) 403 Minus(-) 554 Minus(-) 554
Normal 448 Normal 448 Normal 616 Normal 616
Plus (+) 493 Plus (+) 493 Plus (+) 678 Plus (+) 678
Minus(-) 504 Minus(-) 554 Minus(-) 706 Minus(-) 706
Normal 560 Normal 616 Normal 784 Normal 784
Plus (+) 616 Plus (+) 678 Plus (+) 862 Plus (+) 862
Minus(-) 505 Minus(-) 720 Minus(-) 907 Minus(-) 907
Normal 672 Normal 800 Normal 1008 Normal 1008
Plus (+) 739 Plus (+) 880 Plus (+) 1109 Plus (+) 1109
D
AMV90704CX*
A
B
CC
D
AMV90453BX*
A
B
DD
CC
AMV91155DX*AMV90905DX*
BB
AA