Carnes CRFB User Manual

COPYRIGHT © CARNES CO. 2010

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

SPECIFICATION SHEET

Model CRFB Channel-Aire

Extruded Aluminum Slot Type Diffuser

1-1/8” (27) Border, 1” (25) Slot

IP [English] Dimensions

SI (Metric) In Parentheses

1-1/8” (29)

1-1/8” (29)

3/32” (2)

5/8” MIN.

(16)

Duct Length A +1/4” (6)

1-1/16” (27)

1” (25)

1” (25)

B

A

L

Duct Length L +1/4” (6)

L

+2-1/4” (57)

1-7/16” (37)

Length +1/4” (6)

1/2” (13)

1/16” (2)

RECOMMENDED

DUCT HEM

DIMENSIONS

Number of Slots

Dim. 1 2 3 4 5 6 7 8

A

2-1/8” 4-3/16” 6-1/4” 8-5/16” 10-3/8” 12-7/16” 14-1/2” 16-9/16

(54) (106) (159) (211) (264) (316) (368) (421)

B

3-1/4” 5-5/16” 7-3/8” 9-7/16” 11-1/2” 13-9/16” 15-5/8” 17-11/16”

(83) (135) (187) (240) (292) (345) (397) (449)

NOTES: 1. Maximum length “L” for one piece construction is 72” (1829mm).

2. For butted units, allow 1/32” (1mm) space between sections to provide for thermal expansion.