BLOWER PERFORMANCE SPECIFICATIONS
25
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 Low Stage Cooling Speed Charts
C ooling
Speed
Tap
Adjus t
Tap
C FM at
.1" - .8"
w .c. ESP
C ooling
Speed
Tap
Adjus t
Tap
C FM at
.1" - .8"
w .c. ESP
C ooling
Speed
Tap
Adjus t
Tap
C FM at
.1" - .8"
w .c. ESP
Minus (-)
351
Minus (-)
351
Minus (-)
495
N orm al
390
N orm al
390
N orm al
550
Plus (+)
429
Plus (+)
429
Plus (+)
605
Minus (-)
468
Minus (-)
468
Minus (-)
693
N orm al
520
N orm al
520
N orm al
770
Plus (+)
572
Plus (+)
572
Plus (+)
847
Minus (-)
585
Minus (-)
644
Minus (-)
900
N orm al
650
N orm al
715
N orm al
1000
Plus (+)
715
Plus (+)
787
Plus (+)
1100
Minus (-)
702
Minus (-)
836
Minus (-)
1125
N orm al
780
N orm al
929
N orm al
1250
Plus (+)
858
Plus (+)
1022
Plus (+)
1375
C ooling
Speed
Tap
Adjus t
Tap
C FM at
.1" - .8"
w .c. ESP
C ooling
Speed
Tap
Adjus t
Tap
C FM at
.1" - .8"
w .c. ESP
Minus (-)
468
Minus (-)
468
N orm al
520
N orm al
520
Plus (+)
572
Plus (+)
572
Minus (-)
644
Minus (-)
644
N orm al
715
N orm al
715
Plus (+)
787
Plus (+)
787
Minus (-)
819
Minus (-)
819
N orm al
910
N orm al
910
Plus (+)
1001
Plus (+)
1001
Minus (-)
1053
Minus (-)
1053
N orm al
1170
N orm al
1170
Plus (+)
1287
Plus (+)
1287
D
GMVC 950905CX*
AMVC 950905C X*
A
B
C
D
GMVC950704C X*
AMVC 950704C X*
A
B
C
C
D
GMVC 950453BX*
AMVC 950453BX*
A
B
D
D
C
C
GMVC951155D X*
AMVC 951155D X*
GMVC 950905D X*
AMVC 950905DX*
B
B
A
A
