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Greenheck CFSD Series Installation Instruction Booklet

Greenheck CFSD Series
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Damper Troubleshooting
The following is a possible cause and correction list for common concerns with the dampers.
Symptom Possible Cause Corrective Action
Damper does not fully
open and/or close
Frame is 'racked' causing blades to
bind on jamb seals
Adjust frame such that it is square and plumb
Actuator linkage loose Close damper, disconnect power, adjust and
tighten linkage
Defective motor Replace
Screws in damper linkage Damper installed too far into wall. Move out to line
as designated on damper label
Contaminants on damper Clean with a non-oil based solvent (see Damper
Maintenance)
RRL or TOR sensor
tripped
Heat Push reset button located on backside of RRL or
TOR
Damper does not
operate
No power supplied to the actuator Add power supply
Damper Maintenance
Dampers do not typically require maintenance as long as they are kept dry and clean. If cleaning is necessary, use mild
detergents or solvents. If lubrication is desired for components such as axle bearings, jackshaft bearings and jamb seals, do
not use oil-based lubricants or any other lubricants that attract contaminants such as dust.
Dampers and their actuator(s) must be maintained, cycled, and tested a minimum in accordance with:
The latest editions of NFPA 80, 90A, 92A, 92B, 101, 105, UL864, AMCA 503-03 and local codes.
Actuator manufacturer recommendations.
Duct End
Flange
Corner Piece
3/8 in. bolt
(optional)
Figure 10
Duct
Sleeve
6 in.
Std. Clip
Length
C
L
Duct
60 in. Duct
4 Req’d.
48 in. Duct
3 Req’d.
36 in. Duct
3 Req’d.
24 in. Duct
2 Req’d.
18 in. Duct &
Smaller
1 Req’d.
Clip Spacing
Typical TDC/TDF joint
6 in. 6 in.
9 in.
7 in.7 in.
5 in. 5 in.
5 in.5 in.
Figure 9: Detail of proprietary flanged system
breakaway connections.
472477• GFSD Rev. 6, May 2014 Copyright 2014 © Greenheck Fan Corporation
As a result of our commitment to continuous improvement, Greenheck reserves the right to change specifications without
notice.
Specific Greenheck product warranties are located on greenheck.com within the product area tabs and in the Library
under Warranties.
®
Phone: (715) 359-6171 • Fax: (715) 355-2399 • E-mail: gfcinfo@greenheck.com • Website: www.greenheck.com
Our Commitment
48

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Greenheck CFSD Series Specifications

General IconGeneral
BrandGreenheck
ModelCFSD Series
CategoryFire and Smoke Dampers
LanguageEnglish

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