Technical Information

BLOWER PERFORMANCE SPECIFICATIONS
22
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 maximum.
AMVC8/GMVC8 Low Stage Cooling Speed Charts
AMVC8/GMVC8
High (Single) Stage Cooling Speed Charts
Cooling
Speed Tap
Ad ju st
Tap
CFM
1
Cooling
Speed Tap
Adjust
Tap
CFM
1
Cooling
Speed Tap
Adjust
Tap
CFM
1
Minus (-) 540 Minus (-) 720 Minus (-) 720
Normal 600 Normal 800 Normal 800
Plus (+) 660 Plus (+) 880 Plus (+) 880
Minus (-) 720 Minus (-) 990 Minus (-) 990
Normal 800 Normal 1100 Normal 1100
Plus (+) 880 Plus (+) 1210 Plus (+) 1210
Minus (-) 990 Minus (-) 1260 Minus (-) 1260
Normal 1100 Normal 1400 Normal 1400
Plus (+) 1210 Plus (+) 1540 Plus (+) 1540
Minus (-) 1260 Minus (-) 1620 Minus (-) 1620
Normal 1400 Normal 1800 Normal 1800
Plus
(
+
)
1540 Plus
(
+
)
1980 Pl us
(
+
)
2,000*
AMVC80604B***
GMVC80604B***
D
C
B
A
D
AMVC80805C***
GMVC80805C***
A
B
C
D
AMVC81005C***
GMVC81005C***
A
B
C
Cooling
Speed Tap
Ad just
Tap
CFM
1
Cooling
Speed Tap
Adjust
Tap
CFM
1
Cooling
Speed Tap
Adjust
Tap
CFM
1
Minus (-) 351 Minus (-) 468 Minus (-) 468
Normal 390 Normal 520 Normal 520
Plus (+) 429 Plus (+) 572 Plus (+) 572
Minus (-) 468 Minus (-) 644 Minus (-) 644
Normal 520 Normal 715 Normal 715
Plus (+) 572 Plus (+) 787 Plus (+) 787
Minus (-) 644 Minus (-) 819 Minus (-) 819
Normal 715 Normal 910 Normal 910
Plus (+) 787 Plus (+) 1001 Plus (+) 1001
Minus (-) 819 Minus (-) 1053 Minus (-) 1053
Normal 910 Normal 1170 Normal 1170
Plus
(
+
)
1001 Plus
(
+
)
1287 Plus
(
+
)
1287
AMVC80604B***
GMVC80604B***
A
B
AMVC80805C***
GMVC80805C***
B
D
C
D
A
B
C
AMVC81005C***
GMVC81005C***
A
C
D