ERICO Top-Mount Duct Bracket User Manual
Caddy® rod lock, Top-mount duct bracket
2-1/2" (64mm)
Slot Width
Duct Width
+ 1-1/2" (38mm)
CADDY® ROD LOCK
CFS474_E
ANSI is a registered trademark of American National Standards Institute
TECHNICAL SUPPORT:
www.erico.com
INSTRUCTION SHEET
1 OF 2
Top-Mount Duct Bracket
© 2013, 2014 ERICO International Corporation.
WARNING:
ERICO products shall be installed and used only as indicated in ERICO product instruction sheets and training materials. Instruction sheets are available at
1.
www.erico.com and from your ERICO customer service representative.
ERICO products must never be used for a purpose other than the purpose for which they were designed or in a manner that exceeds specified load ratings.
2.
All instructions must be completely followed to ensure proper and safe installation and performance.
3.
Improper installation, misuse, misapplication or other failure to completely follow ERICO's instructions and warnings may cause product malfunction, property
4.
damage, serious bodily injury and death.
Products that are manufactured using spring steel components shall be used only in a non-corrosive indoor environment.
5.
All pipe supports, hangers, intermediate components and structural attachments must ONLY be used as described herein and are NEVER to be used for any
6.
other purpose.
NOTE: All load ratings are for static conditions and do not account for dynamic loading such as wind, water or seismic loads, unless otherwise noted.
The customer is responsible for:
a. Conformance to all governing codes.
b. The integrity of structures to which the products are attached, including their capability of safely accepting the loads imposed, as evaluated by a qualified
engineer.
c. Using appropriate industry standard hardware as noted above.
SAFETY INSTRUCTIONS:
All governing codes and regulations and those required by the job site must be observed.
Always use appropriate safety equipment such as eye protection, hard hat, and gloves as appropriate to the application.
CADDY, CADWELD, CRITEC, ERICO, ERIFLEX, ERITECH, and LENTON are registered trademarks of ERICO International Corporation.
3/4" (19mm)
Typical
Push bracket on
to threaded rod.
both sides
Duct Height
"L" Dimension
Duct Width
60" (1,524mm) Maximum
Rotate lock nut
counter-clockwise
until reaches
stopping position
Maximum open
position
each bracket.
alternatives to the duct hanger systems described in the
/SMACNA HVAC Duct Construction Standards (HVAC-DCS)
Lift duct into place.
Step 1:
self-drilling screws
3rd edition, Chapter 5, Tables 5-1 and 5-1M
®
ANSI
Step 0:
Rectangular Duct Application
SMACNA Testing and Research Institute to be acceptable
(included) for
*Note: (4) screws are required for non-duct application.
**CRLD37TEG (3/8") and CRLDM10TEG (M10) were verified by the
Install four (4)
***P/2 = (Duct Height) + (Duct Width)
Step 2:
Max. Half of Duct
Perimeter***
3/8", M8, M10 Threaded Rod Sizes**
"L" Dimension
P/2 = 30"
L = 10ft [3m]
L = 8ft [2.4m]
L = 5ft [1.5m]
P/2 = 72"
P/2 = 96"
P/2 = 120"
--
P/2 = 168"
--
--
P/2 = 192"
--
--
Part Number
Article
Number
Rod Size
Load Rating for
general applications*
(3.0 safety factor)
CRLD37TEG
N/A
3/8"
600 lbs [2,650 N]
CRLDM8TEG
390017
M8
600 lbs [2,650 N]
CRLDM10TEG
390018
M10
600 lbs [2,650 N]