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D100-101-00 

I56-2806-003R 

 

 

©2008 System Sensor 

System Sensor warrants its enclosed smoke detector to be free from defects in ma-

terials and workmanship under normal use and service for a period of three years 

from date of manufacture. System Sensor makes no other express warranty for this 

smoke detector. No agent, representative, dealer, or employee of the Company has 

the authority to increase or alter the obligations or limitations of this Warranty. The 

Company’s obligation of this Warranty shall be limited to the repair or replacement 

of  any  part  of  the  smoke  detector  which  is  found  to  be  defective  in  materials  or 

workmanship under normal use and service during the three year period commenc-

ing with the date of manufacture. After phoning System Sensor’s toll free number 

800-SENSOR2 (736-7672) for a Return Authorization number, send defective units 

Three-Year Limited Warranty

postage prepaid to: System Sensor, Repair Department, RA #__________, 3825 Ohio 

Avenue, St. Charles, IL 60174. Please include a note describing the malfunction and 

suspected cause of failure. The Company shall not be obligated to repair or replace 

units which are found to be defective because of damage, unreasonable use, modi-

fications, or alterations occurring after the date of manufacture. In no case shall the 

Company be liable for any consequential or incidental damages for breach of this or 

any other Warranty, expressed or implied whatsoever, even if the loss or damage is 

caused by the Company’s negligence or fault. Some states do not allow the exclu-

sion or limitation of incidental or consequential damages, so the above limitation or 

exclusion may not apply to you. This Warranty gives you specific legal rights, and 

you may also have other rights which vary from state to state.

Please refer to insert for the Limitations of Fire Alarm Systems

Summary of Contents for 2151

Page 1: ...s a variety of detector bases available for this smoke detector including 2 wire applications with and without relays and or current limiting resistors 4 wire and 120VAC applications Specifications Size Height 2 0 inches 51 mm installed in B401 Base Diameter 4 1 inches 104 mm installed in B401 Base 6 1 inches 155 mm installed in B110LP Base Weight 3 1 oz 88 g Operating Temperature Range 0 C to 49 ...

Page 2: ...ni 501 Set the generator to represent 4 to 5 ft obscuration as described in the Gemini 501 Manual Using the bowl shaped applicator apply aerosol until unit alarms D Direct Heat Method Hair Dryer of 1000 1500 watts 2151T only A hair dryer of 1000 1500 watts should be used to test the thermistors Direct the heat toward either of the two thermistors holding the heat source approximately 12 inches fro...

Page 3: ...with Step 4 oth erwise skip to Step 7 4 Remove the chamber cover screen assembly by pulling it straight out 5 Use a vacuum cleaner or compressed air to remove dust and debris from the sensing chamber 6 Reinstall the chamber cover screen assembly by slid ing the edge over the sensing chamber Turn until it is firmly in place 7 Replace the cover using the LEDs to align the cover and then gently pushi...

Page 4: ...n Authorization number send defective units Three Year Limited Warranty postage prepaid to System Sensor Repair Department RA __________ 3825 Ohio Avenue St Charles IL 60174 Please include a note describing the malfunction and suspected cause of failure The Company shall not be obligated to repair or replace units which are found to be defective because of damage unreasonable use modi fications or...

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