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Technical Bulletin 

 

 

SuperDuct Four-Wire Duct Smoke Detector 

 

13 

8.706

7.750

8.150

2.275

5.450

5.400

1.375

2.275

5.450

5.800

6.200

6.756

1.900

1.900

1.100

3.250

 

Figure 12: Mechanical dimensions 

Summary of Contents for SuperDuct ESD-4WJ

Page 1: ...schedule 9 Sensor tests 9 Controller tests 10 Remote test reset station tests 10 Troubleshooting 11 Cleaning the duct smoke sensor 11 Introduction This document provides technical information for the...

Page 2: ...ensors Its primary function is to provide early warning of an impending fire and shut down the HVAC unit in order to prevent smoke from circulating throughout the building It is typically used to dete...

Page 3: ...amount of condensation to which the sensor is exposed Sensor description The sensor see Figure 2 comprises a plastic housing a printed circuit board a clear plastic cover an exhaust tube and a samplin...

Page 4: ...ampling tube can be installed with or without the cover in place and can be rotated in 45 degree increments to ensure proper alignment with duct airflow Alarm Trouble Dirty and Power status LEDs Stand...

Page 5: ...th accessories Supply voltage Standby current Alarm current 24 Vdc 77 9 mA 124 3 mA 24 V at 50 Hz 215 3 mA 307 0 mA 24 V at 60 Hz 220 0 mA 316 5 mA 120 V at 50 Hz 91 0 mA 89 0 mA 120 V at 60 Hz 79 0 m...

Page 6: ...normal state the Power LED on both the sensor and the controller are on and all other LEDs are off Alarm state The SuperDuct duct smoke detector enters the alarm state when the amount of smoke partic...

Page 7: ...uns to ensure proper connection supervision Run all field wiring to the controller through the knockouts located at the bottom of the controller housing Maintain a 1 4 inch separation between power li...

Page 8: ...Sampling tubes are ordered separately Installing the sampling tube from the front of the detector The sampling tube can also be installed from the front of the detector as shown in Figure 7 This metho...

Page 9: ...M 16 AUX 1 Contact NC 7 AUX 2 Contact NO 17 AUX 1 Contact NO 8 AUX 2 Contact NC 18 AUX 2 Contact COM 9 24V AC DC In 19 18 Vdc Output 10 24V AC DC In 20 18 Vdc Output N AC neutral TB3 1 CO2 Output L AC...

Page 10: ...reset the sensor by pressing the test reset switch for two seconds Verify that the controller s Alarm LED turns off Controller dirty test The controller dirty test checks the controller s ability to i...

Page 11: ...ose or missing secure the cover to the sensor housing 3 Replace sensor assembly Sensor s Power LED is off 1 Check the controller s Power LED If it is off determine why the controller does not have pow...

Page 12: ...and a lint free cloth to remove dirt and other contaminants from the gasket on the sensor s cover 3 Squeeze the retainer clips on both sides of the optic housing then lift the housing away from the pr...

Page 13: ...Technical Bulletin SuperDuct Four Wire Duct Smoke Detector 13 8 706 7 750 8 150 2 275 5 450 5 400 1 375 2 275 5 450 5 800 6 200 6 756 1 900 1 900 1 100 3 250 Figure 12 Mechanical dimensions...

Page 14: ...Technical Bulletin 14 SuperDuct Four Wire Duct Smoke Detector 5 400 1 375 1 900 13 55 13 95 14 51 2 72 5 45 Figure 12 Mechanical dimensions continued...

Page 15: ...JP1 when the controller is connected to two sensors 2 Alarm initiation contacts shown in normal condition Contacts close on alarm 3 Supervision relay contacts shown in normal condition Contacts chang...

Page 16: ...Technical Bulletin 16 SuperDuct Four Wire Duct Smoke Detector...

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