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BLOWER PERFORMANCE SPECIFICATIONS
16
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 Low Stage Cooling Speed Charts
AMV9 High (Single) Stage Cooling Speed Charts
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(-) 540 Minus(-) 540 Minus(-) 720 Minus(-) 720
Normal 600 Normal 600 Normal 800 Normal 800
Plus (+) 660 Plus (+) 660 Plus (+) 880 Plus (+) 880
Minus(-) 720 Minus(-) 720 Minus(-) 990 Minus(-) 990
Normal 800 Normal 800 Normal 1100 Normal 1100
Plus (+) 880 Plus (+) 880 Plus (+) 1210 Plus (+) 1210
Minus(-) 900 Minus(-) 990 Minus(-) 1260 Minus(-) 1260
Normal 1000 Normal 1100 Normal 1400 Normal 1400
Plus (+) 1100 Plus (+) 1210 Plus (+) 1540 Plus (+) 1540
Minus(-) 1080 Minus(-) 1286 Minus(-) 1620 Minus(-) 1620
Normal 1200 Normal 1429 Normal 1800 Normal 1800
Plus (+) 1320 Plus (+) 1572 Plus (+) 1980 Plus (+) 1980
D
AMV90704CX*
A
B
CC
D
AMV90453BX*
A
B
DD
CC
AMV91155DX*AMV90905DX*
BB
AA
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(-) 378* Minus(-) 513* Minus(-) 514*
Normal 390 Normal 390 Normal 520 Normal 520
Plus (+) 429 Plus (+) 429 Plus (+) 572 Plus (+) 572
Minus(-) 468 Minus(-) 468 Minus(-) 644 Minus(-) 644
Normal 520 Normal 520 Normal 715 Normal 715
Plus (+) 572 Plus (+) 572 Plus (+) 787 Plus (+) 787
Minus(-) 585 Minus(-) 644 Minus(-) 819 Minus(-) 819
Normal 650 Normal 715 Normal 910 Normal 910
Plus (+) 715 Plus (+) 787 Plus (+) 1001 Plus (+) 1001
Minus(-) 702 Minus(-) 836 Minus(-) 1053 Minus(-) 1053
Normal 780 Normal 929 Normal 1170 Normal 1170
Plus (+) 858 Plus (+) 1022 Plus (+) 1287 Plus (+) 1287
AMV91155DX*AMV90905DX*
BB
AA
DD
CCC
D
AMV90453BX*
A
B
D
AMV90704CX*
A
B
C