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D285/D285TH

EN

Installation Instructions

Photoelectric Smoke
Detectors

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Summary of Contents for D285

Page 1: ...D285 D285TH EN Installation Instructions Photoelectric Smoke Detectors ...

Page 2: ... 57 C heat sensor requires base D285DH Detector only for D340 Series Duct Smoke Detectors D287 Base only two wire D292 Base only four wire D293A Base only four wire Form C auxiliary relay D293E Base only for power supervision four wire EOL relay Normally Open auxiliary relay D293S Base only four wire with sounder D275 EOL supervision module for four wire systems TP280 Trim Plate 6 in 16 2 cm diame...

Page 3: ...its This determines if the problem is caused by the detector or the base c If a system alarm with no detector alarms is present remove all detectors and check the wiring at each base Pay close attention to the wiring of each EOL resistor and EOL module 3 When the system is free of alarms check each detector to ensure the red LED indicator is flashing approximately every 3 sec This verifies the det...

Page 4: ...ull the chamber cover up and away from the chamber refer to Item 2 in Figure 3 4 Using clean dry compressed air or a vacuum remove any dust or debris from the chassis area 5 Replace the chamber Ensure the hole for the LED and thermistor is properly aligned over the LED and thermistor Place the chamber parallel to the chassis and gently snap the locking tabs into place 6 Replace the detector s cove...

Page 5: ...on the head Observe the LED If the detector is within the factory marked calibration range it goes into alarm and the alarm LED latches ON If the detector is too sensitive the LED rapidly flashes six times once every 1 2 sec and the detector goes into alarm If the detector is not sensitive enough the LED flashes four times slowly once every 2 sec and the detector goes into alarm If the detector is...

Page 6: ...Bosch 6 04 32029E 6 D285 D285TH Installation Instructions Notes ...

Page 7: ...7 Bosch 6 04 32029E D285 D285TH Installation Instructions Notes ...

Page 8: ...Bosch 130 Perinton Parkway Fairport NY 14450 9199 USA Customer Service 800 289 0096 Technical Support 888 886 6189 2004 Bosch 32029E ...

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