Greenheck Ceiling Radiation Dampers (826252) - Manual (Page 17)

Document #474094
CRD-1WT
Ceiling Radiation Damper for
Wood Truss Application
Installation, Operation and Maintenance Instructions
CRD-1WT Dampers are intended for installation in
accordance with ceiling radiation damper requirements
established by:
National Fire Protection Association
NFPA Standards 80, 90A, 92A, 92B, 101, & 105
IBC International Building Codes
“UL CLASSIFIED (see complete marking on
product)”
UL Standard 555C (Classification #R13446)
Safety Warning:
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, injury or
death. Read the installation, operating, and maintenance
instructions thoroughly before installing or servicing this
equipment.
Receiving and Handling
Upon receiving dampers, check for both obvious and
hidden damage. If damage is found, record all necessary
information on the bill of lading and file a claim with the
final carrier. Check to be sure that all parts of the shipment,
including accessories, are accounted for.
Dampers must be kept dry and clean. Indoor storage
and protection from dirt, dust and the weather is highly
recommended. Do not store at temperatures in excess of
100°F (38°C).
Due to continuing research, Greenheck reserves the right to change specifications without notice.
This manual is the property of the owner, and is required for future maintenance. Please leave it with the owner when the
job is complete.
These instructions describe the installation of a CRD-1WT in designs: M508 and P554 as detailed in the UL Fire Resistance
Directory.
Number Description
1 Flooring Systems
2 Wood Truss
3 Air Ducts
4 CRD-1WT assembly
5 Mounting Angle
6 Resilient Channel
7 Gypsum Board
8 Grille (not supplied)
9 Finishing System
(not shown)
1
2
7
3
4
5
8
6
Figure 1
®
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