Carnes RAWA Installation Manual

COPYRIGHT © CARNES CO. 2001
ALL RIGHTS RESERVED

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CARNES COMPANY, 448 S.Main St., P.O.Box 930040, Verona, WI. 53593-0040 Phone: [phone] Fax: [phone] E-Mail: [e-mail] www.carnes.com

BALANCING INSTRUCTIONS

Model RAWA, RNWA

Aluminum Drum Louver

Nom. Size Duct Area Blade Spread

(W x H) (Sq. Ft.) 0° 15° 30°

9” x 6” (229 x 152) 0.375 0.17 0.16 0.13
12” x 6” (305 x 152) 0.500 0.23 0.21 0.18
18” x 6” (457 x 152) 0.750 0.35 0.32 0.26
24” x 6” (610 x 152) 1.000 0.47 0.41 0.35
30” x 6” (762 x 152) 1.250 0.59 0.52 0.44
36” x 6” (914 x 152) 1.500 0.72 0.62 0.55
48” x 6” (1219 x 152) 2.000 0.94 0.83 0.70
60” x 6” (1524 x 152) 2.500 1.17 1.05 0.88
20” x 10” (508 x 254) 1.389 0.68 0.60 0.51
25” x 10” (635 x 254) 1.736 0.85 0.75 0.64
30” x 10” (762 x 254) 2.083 1.05 0.90 0.76
35” x 10” (889 x 254) 2.431 1.20 1.05 0.89
40” x 10” (1016 x 254) 2.778 1.35 1.20 1.00
50” x 10” (1270 x 254) 3.472 1.70 1.50 1.30
60” x 10” (1524 x 254) 4.167 2.05 1.85 1.55
70” x 10” (1778 x 254) 4.861 2.40 2.15 1.80
20” x 12” (508 x 305) 1.667 0.80 0.70 0.60
30” x 12” (762 x 305) 2.500 1.20 1.05 0.89
40” x 12” (1016 x 305) 3.333 1.60 1.40 1.20
50” x 12” (1270 x 305) 4.167 2.00 1.75 1.50
60” x 12” (1524 x 305) 5.000 2.40 2.15 1.80
70” x 12” (1778 x 305) 5.833 2.80 2.50 2.05
15” x 15” (381 x 381) 1.563 0.85 0.75 0.63
20” x 15” (508 x 381) 2.083 1.15 1.00 0.84
25” x 15” (635 x 381) 2.604 1.45 1.25 1.05
30” x 15” (762 x 381) 3.125 1.75 1.55 1.25
40” x 15” (1016 x 381) 4.167 2.30 2.05 1.70
50” x 15” (1270 x 381) 5.208 2.85 2.55 2.15
60” x 15” (1524 x 381) 6.250 3.40 3.00 2.50
70” x 15” (1778 x 381) 7.292 3.90 3.50 2.95

Notes:

1. Area factors given are for use with an Alnor velometer equipped
with Tip No. 2220-A or Tip No. 2220.

2. Use average of six readings to determine face velocity. Take
readings where shown by the marks at right.

Imperial [IP] Dimensions

Metric (SI) In Parentheses

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