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THREE-YEAR LIMITED WARRANTY

System Sensor warrants its enclosed product to be free from defects in materials 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 the enclosed product. 
No agent, representative, dealer, or employee of the Company has the authority to in-
crease or alter the obligations or limitations of this Warranty. The Company’s obligation 
of this Warranty shall be limited to the replacement of any part of the product which is 
found to be defective in materials or workmanship under normal use and service during 
the three year period commencing 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 postage prepaid to: Honeywell, 12220 Rojas Drive, Suite 700, El Paso 

TX 79936, USA. Please include a note describing the malfunction and suspected cause 
of failure. The Company shall not be obligated to replace units which are found to be 
defective because of damage, unreasonable use, modifications, or alterations occurring 
after the date of manufacture. In no case shall the Company be liable for any consequen-
tial 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 exclusion or limitation of incidental or consequential dam-
ages, 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

  8 

I56-4260-002R 

  

©2016 System Sensor. 06-10

Summary of Contents for DUCTSD240

Page 1: ...5 sec max Alarm response time 15 sec 15 sec 15 sec Sensitivity Test See detector label See detector label See detector label Current Requirements Using No Accessories Max standby current 21 mA 24 VDC 65 mA RMS 24VAC 60Hz 10 mA RMS 240 VAC 60 Hz Max alarm current 65 mA 24 VDC 135 mA RMS 24 VAC 60 Hz 18 mA RMS 240 VAC 60 Hz CONTACT RATINGS Alarm initiation contacts SPST 2 0A 30 VDC resistive Alarm a...

Page 2: ...hese parameters If neces sary use a velocity meter anemometer to check the air velocity in the duct 5 2 DETERMINE MOUNTING LOCATION AND CONFIGURATION On ducts wider than 18 inches it is recommended that the detector be mounted downstream of a bend obstruction in the duct or the supply or return air inlet Exception Installation of duct detectors can be on or within a commercial packaged rooftop hea...

Page 3: ...ct Plug the end with the end cap and tape closed any holes in the protrud ing section of tube Be sure to seal the duct where the tube protrudes FIGURE 4 DETECTOR 3 4 HOLE 12 1 4 2 H0215 00 NOTE Air currents inside the duct may cause excessive vibration especially when the longer sampling tubes are used In these cases a 3 inch floor flange available at most plumbing supply stores may be used to fas...

Page 4: ... WIRE DUCT SMOKE DETECTORS CAUTION Do not loop wire under terminals when wiring detectors Break wire runs to provide system supervision of connections 24VAC DC 9 10 AUXILIARY CONTACTS FOR FAN SHUTDOWN ETC NOTE 2 16 6 17 8 18 7 N O C N C N O C N C 16 6 17 8 18 7 N O C N C N O C N C SUPERVISORY CONTACTS NOTE 3 24V 9 10 AUXILIARY CONTACTS FOR FAN SHUTDOWN ETC NOTE 2 SUPERVISORY CONTACTS NOTE 3 SUP N ...

Page 5: ... REMEMBER TO REMOVE THE PLUGS AFTER THIS TEST OR THE DETECTOR WILL NOT FUNCTION PROPERLY FIGURE 8 MULTIPLE FAN SHUTDOWN INTERCONNECTION OF DUCTSD240 TO D4240 D4240 D4240 DUCTSD240 DUCTSD240 DUCTSD240 H0640 01 H0639 01 ALARM TEST OPTIONS TEST METHOD DETECTOR RESET Test Reset Button Press and hold test reset button for at least 7 seconds Press and release the test reset button Magnet Test M02 04 00 ...

Page 6: ...If the smoke has cleared the unit will go into STANDBY otherwise the unit will remain in ALARM 12 DETECTOR CLEANING PROCEDURES Notify the proper authorities that the smoke detector system is undergoing maintenance and that the system will temporarily be out of service Disable the zone or system undergoing maintenance to prevent unwanted alarms and possible dispatch of the fire department 12 1 DETE...

Page 7: ... green blink pattern exists until unit either enters Alarm or reverts to Standby within approximately 60 seconds Supervisory relay Terminals 3 and 14 are closed Alarm Relay Terminals 4 and 5 are open Aux Relay does not switch states Terminals 6 and 16 are closed Terminals 8 and 18 are closed Trouble Red Blink every 5 seconds Amber Solid Supervisory relay Terminals 3 and 14 are open Alarm Relay Ter...

Page 8: ...tion number send defective units postage prepaid to Honeywell 12220 Rojas Drive Suite 700 El Paso TX 79936 USA Please include a note describing the malfunction and suspected cause of failure The Company shall not be obligated to replace units which are found to be defective because of damage unreasonable use modifications or alterations occurring after the date of manufacture In no case shall the ...

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