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BLOWER PERFORMANCE SPECIFICATIONS
19
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/ACV9
Ramping Profile
ACV9 Continuous Fan Speed Chart
Note: The multi-speed circulator blower
also offers several custom ON/OFF
ramping profiles. These profiles may be
used to enhance cooling performance
and increase comfort level. The ramping
profiles are selected using DIP switches
5 and 6.
Verify profile selection by counting the
green CFM LED blinks and timing each
step of the ramping profile.
O
F
F
O
F
F
87 4321
O
F
F
O
N
4321
4321
4321
Ramping
Profile
Tap A
Ramping
Profile
Tap B
Ramping
Profile
Tap C
Ramping
Profile
Tap D
*
Ramping Profiles
(
*
indicates factory setting)
87
87
87
65
65
65
65
O
N
O
F
F
O
N
O
N
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(-) 513*
Normal 380* Normal 513*
Plus (+) 380* Plus (+) 513*
Minus(-) 403 Minus(-) 554
Normal 448 Normal 616
Plus (+) 493 Plus (+) 678
Minus(-) 554 Minus(-) 706
Normal 616 Normal 784
Plus (+) 678 Plus (+) 862
Minus(-) 720 Minus(-) 907
Normal 800 Normal 1008
Plus (+) 880 Plus (+) 1109
D
ACV90905DX*
A
B
CC
D
ACV90704CX*
A
B