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WARNING:

 To prevent detector contamination dur-

ing construction, smoke detectors must be protected 
from dust and contamination until area is clean and 
dust free. See NFPA 72-5-3.7.1.3. 

Mounting 

  On a 4-inch square box with plaster ring and FCI  

supplied mounting bracket kit. Minimum depth 1.5 
inches. 

  On a 3.5 or 4-inch octagonal box. 

  Minimum depth 1.5 inches. 

  Directly to ceiling using plastic screw anchors. 

Refer to N.F.P.A. 72, Chapter 2-3. “Smoke Sensing Fire 
Detectors” for spacing, location of detectors and other 
guidelines. 

 

 
Installation 

Line up the arrows on the detector with the arrows on the 
mounting bracket. Turn the detector clockwise until the 
detector clicks into place.  
 
To use the tamper-proof feature, break the smaller tab at 
the scribed line in the tamper-proof tab located on the 
detector mounting bracket. Install the detector. To remove 
the detector from the bracket when using the tamper-proof 
feature, insert the blade of a small screwdriver into the 
hole on the side of the base and push the plastic lever 
away from the detector head. Turn the detector counter-
clockwise for removal. NOTE: The decorative ring must 
be removed in order to remove a head after it has been 
made tamper-proof. 
 
NOTE: The number of two-wire smoke detectors which 
can be accommodated per zone varies with different con-
trol panels. Consult the control panel instruction manual to 
determine the capacity. 
 

Testing 

Detectors may be tested in the following ways: 

  A. Insert a tool into the test opening in the unit. For the 

complete procedure, refer to the Installation and Main-
tenance Instructions furnished with each detector.  

 B. Field metering of detector sensitivity may be per-

formed with the aid of a voltmeter and test kit MOD 
400R. For the complete procedure, refer to the Installa-
tion and Maintenance Instructions furnished with each 
detector. 

 
Maintenance 

Cleaning programs should be adapted to the individual 
environment in conformance with NFPA Standard 72. We 
recommend, at the least, an annual cleaning of the unit. 
The detector screen and cover assembly can be removed, 
revealing the sensing chamber. A vacuum cleaner can be 
used to remove dust from the screen, cover and sensing 
chamber. For the complete procedure, refer to the Instal-
lation and Maintenance instructions furnished with each 
detector. 

GAMEWELL-FCI 

12 Clintonville Road, Northford, CT 06472 - Tel: (203) 484-7161 - Fax: (203) 484-7118 

 www.gamewell-fci.com

 

9020-0586 Rev. B  page 2 of 2

 

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