Carnes CRBB 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: 608/845-6411 Fax: 608/845-6470 E-Mail: carnes@carnes.com www.carnes.com
SPECIFICATION SHEET
Model CRBB Channel-Aire
Extruded Aluminum Slot Type Diffuser
1-1/8” (28.6) Border, 1/2” (12.7) Slot
IP [English] Dimensions
SI (Metric) In Parentheses
1-1/8” (29)
1-1/8” (29)
5/8” MIN.
(16)
Duct Length A +1/4” (6)
13/16” (21)
1/2” (13)
1/2” (13)
B
A
L
Duct Length L +1/4” (6)
L
+2-1/4” (57)
1/2” (13)
1/16” (2)
3/32” (2)
1-7/16” (37)
Number of Slots
Dim. 1 2 3 4 5 6 7 8
A
1-3/8” 2-11/16” 4” 5-5/16” 6-5/8” 7-15/16” 9-1/4” 10-9/16”
(35) (68) (102) (135) (168) (202) (235) (269)
B
2-3/4” 4-1/16” 5-3/8” 6-11/16” 8” 9-5/16” 10-5/8” 11-15/16”
(70) (103) (137) (170) (203) (237) (270) (303)
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.
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