Job Name: USF-49-A1 Cut Sheet
Tag: MK-1
Quantity: 1
Printed Date: April 1, 2024
Model: USF-49-A1
Universal Single Width Blower
Standard Construction Features: Steel scroll (optional aluminum), PermaLock seam (optional welded
seam). Centrifugal backward inclined airfoil steel wheel (optional aluminum). Steel inlet cone (optional
aluminum). Belt driven motor mounted out of the airstream.
12 60
Fan Configuration
Brake Horsepower (BHP)
Static Pressure (in. wg)
10 50
Class II
ea
Arrangement 10 8 9 2 3 F R PM 40
ar
d
Discharge position UB
de
6 30
a
sh
Wheel rotation CW in
4 e 20
Fan material Steel rat
pe m
Drive type Belt 2 to S yste 10
no
Do
0 0
Performance 0 1 2 3 4 5 6 7
Volume (CFM) x 10000
Requested Volume (CFM) 48,000
Actual Volume (CFM) 48,000 Fan curve
Total External SP (in. wg) 4 Brake horsepower curve
Fan RPM 923 Operating Point SP
Drive Loss (%) 4 Operating Bhp point
Operating Power (bhp) 50 Max system curve
Startup Power (bhp) 50 System curve
FEI 1.25
Air Stream Temp (F) 70
Start-up Temp (F) 70
Air Density (lbs/ft^3) 0.075 Sound
Elevation (ft) 100 Octave Bands (hz) LwA dBA Sones
Static Efficiency (%) 63 62.5 125 250 500 1000 2000 4000 8000
Outlet Velocity (ft/min) 3,478 Inlet 102 110 97 91 90 88 81 77 98 87 62
Outlet 108 110 99 96 93 90 84 79 100 88 68
Motor
Size (hp) 60 Greenheck Fan Corporation certifies that the model shown herein
V/C/P 460/60/3 is licensed to bear the AMCA Seal. The ratings shown are based on
tests and procedures performed in accordance with AMCA
NEC FLA (Amps) 77 Publication 211 and AMCA Publication 311 and comply with the
Min Circuit Ampacity (MCA) 96.2 requirements of the AMCA Certified Ratings Program.The AMCA
certified ratings seal applies to sound and air performance and FEI
Max Overload Production (MOP) 150 ratings only.Performance certified is for installation type B: Free
inlet, ducted outlet.Power rating includes transmission
losses.Performance ratings do not include the effects of
appurtenances.The sound power level ratings are shown in
decibels, referred to 10^-12 watts calculated per AMCA Standard
301. The A-weighted sound ratings shown have been calculated
per AMCA International Standard 301.Values shown are for inlet
Lwi, LwiA and outlet Lwo, LwoA sound power levels for installation
Type B: free inlet, ducted outlet. Ratings for outlet sound include
the effects of duct end correction.dBA levels are not licensed by
AMCA International. The AMCA Certified Ratings Seal for Sound
FLA - based on tables 150 or 148 of National Electric Code 2002. Actual applies to inlet Lwi, LwiA and outlet Lwo, LwoA ratings only.
motor FLA may vary, for sizing thermal overload, consult factory.
MCA and MOP values shown only account for the motor, not accessories
(damper actuator, field supplied VFD, etc.).
Page 1 of 2 Version 3.7.0, January 2024
Job Name: USF-49-A1 Cut Sheet
Tag: MK-1
Quantity: 1
Printed Date: April 1, 2024
Dimensions and Weights
Label Value Description
- 49 Wheel Diameter (in)
- 3033 Weight w/o accessories (lbs)
A 83 Overall Height (in)
B 92 Overall Width (in)
C 94 Overall Length (in)
- 51 Inlet Diameter (in)
- 38.51 x 51.65 Outlet Size (W x H) (in)
Wheel rotation is defined as being viewed from the drive side.
*All dimensions are in inches.
Page 2 of 2 Version 3.7.0, January 2024
