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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
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(-) 351 Minus(-) 351 Minus(-) 495
Normal 390 Normal 390 Normal 550
Plus (+) 429 Plus (+) 429 Plus (+) 605
Minus(-) 468 Minus(-) 468 Minus(-) 693
Normal 520 Normal 520 Normal 770
Plus (+) 572 Plus (+) 572 Plus (+) 847
Minus(-) 585 Minus(-) 644 Minus(-) 900
Normal 650 Normal 715 Normal 1000
Plus (+) 715 Plus (+) 787 Plus (+) 1100
Minus(-) 702 Minus(-) 836 Minus(-) 1125
Normal 780 Normal 929 Normal 1250
Plus (+) 858 Plus (+) 1022 Plus (+) 1375
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(-) 468 Minus(-) 468
Normal 520 Normal 520
Plus (+) 572 Plus (+) 572
Minus(-) 644 Minus(-) 644
Normal 715 Normal 715
Plus (+) 787 Plus (+) 787
Minus(-) 819 Minus(-) 819
Normal 910 Normal 910
Plus (+) 1001 Plus (+) 1001
Minus(-) 1053 Minus(-) 1053
Normal 1170 Normal 1170
Plus (+) 1287 Plus (+) 1287
D
GMVC950905CX*
AMVC950905CX*
A
B
C
D
GMVC950704CX*
AMVC950704CX*
A
B
CC
D
GMVC950453BX*
AMVC950453BX*
A
B
DD
CC
GMVC951155DX*
AMVC951155DX*
GMVC950905DX*
AMVC950905DX*
BB
AA