Carnes TDBA-D4 User Manual
SPECIFICATION SHEET
Model TDBA_D4
Imperial [IP] Dimensions
Metric (SI) in Parentheses
CARNES COMPANY 448 S. Main St., P. O. Box 930040, Verona, WI 53593-0040 Phone: (608)845-6411 Fax: (608)845-6504 www.carnes.com
4-Way Blow
Drum Louver
B
D
A
3”
C
Neck Size
A B C D CFM
14x14 24 10 21 800-2,000 50
20x20 32 10 29 1,600-4,100 80
24x24 35-1/2 12-1/2 32-1/2 2,400-6,000 100
28x28 39 12-1/2 36 3,200-8,100 120
30x30 41-1/2 14-1/2 38-1/2 3,700-9,400 140
36x36 50 17 47 5,400-13,500 195
COPYRIGHT © 2014 CARNES COMPANY
ALL RIGHTS RESERVED
Est.
Weight
SUPERSEDES 13108 13108-A, page 1
STANDARD FEATURES:
• 18 ga. top/bottom panels
• 20 ga. grille panels
• 20 ga. air diverter
• Drum louvers
• TDC connection fl anges
• Intermediate turning vanes
• 1” 1-1/2# insulation on bottom for noise control
• 3/8-16 threaded inserts in each corner for
mounting
Option:
• Balancing dampers (TDBA_F4)
4-WAY BLOW WITH DRUM LOUVERS
NECK
SIZE
14
22
24
28
30
36
INTAKE DUCT VELOCITY
600 750 900 1050 1200 1350 1500
CFM 817 1021 1225 1429 1633 1838 2042
THROW 7-16-34 11-21-43 17-26-51 20-30-56 23-35-60 26-39-64 29-44-67
P 0.008 0.013 0.019 0.027 0.035 0.044 0.055
CFM 1667 2083 2500 2917 3333 3750 4167
THROW 23-34-58 29-43-65 34-50-71 40-54-76 46-58-82 50-61-87 53-65-91
P 0.018 0.030 0.046 0.064 0.085 0.108 0.135
CFM 2400 3000 3600 4200 4800 5400 6000
THROW 30-45-79 38-57-88 46-68-97 54-74-104 62-79-112 68-84-118 72-88-125
P 0.089 0.123 0.154 0.182 0.207 0.228 0.246
CFM 3267 4083 4900 5717 6533 7350 8167
THROW 37-56-89 47-70-99 57-77-108 66-83-117 72-89-125 77-94-133 81-99-140
P 0.059 0.071 0.115 0.192 0.301 0.443 0.618
CFM 3750 4688 5625 6563 7500 8438 9375
THROW 37-56-102 47-70-115 56-84-125 65-96-136 75-102-145 84-109-154 94-115-162
P 0.026 0.046 0.071 0.101 0.136 0.176 0.221
CFM 5400 6750 8100 9450 10800 12150 13500
THROW 46-69-109 58-86-122 70-94-133 82-102-144 89-109-154 94-116-163 99-112-172
P 0.040 0.061 0.086 0.116 0.150 0.189 0.233
Throws based on Carnes standard drum louver performance data.
Throw data assumes the blades are spread 15°. For performance at 0° or 30° spreads, apply the following
correction factors:
For 0° multiply throws by 1.2
For 0° multiply pressure by 0.795
For 30° multiply throws by 0.8
For 30° multiply pressure by 1.43
13108-A, page 2
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