13
BLOWER PERFORMANCE SPECIFICATIONS
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.
GMV95 Low Stage Cooling Speed Charts
GMV95 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
GMV951155DX*
GMV950905DX*
B
B
A
A
D
D
C
C
C
D
GMV950453BX*
A
B
D
GMV950704CX*
A
B
C
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
D
GMV950704CX*
A
B
C
C
D
GMV950453BX*
A
B
D
D
C
C
GMV951155DX*
GMV950905DX*
B
B
A
A
