D285DH Installation Instructions EN Photoelectric Duct Smoke Detector
D285DH | Installation Instructions | 1.0 Introduction FCC Notice The D285DH Photoelectric Duct Smoke Detector complies with Part 15 of the Federal Communication Commission (FCC) Rules. Operation is subject to the following conditions: • The detector might not cause harmful interference. • The detector must accept any interference received, including interference that can cause undesirable operation.
D285DH | Installation Instructions | 3.0 3.0 1. Mounting Before mounting, remove the dust cover from the detector. 2. Mount the duct housing according to the manufacturer’s instructions. Figure 1: Mounting the Base 1 2 +1 1 3. When the system is free of alarms, check each detector to ensure the red LED head indicator flashes approximately every 4 sec. This verifies the detector is receiving power and operating properly. 4. Test each detector to ensure it will cause a control panel alarm.
D285DH | Installation Instructions | 5.0 5.0 Maintenance 5. Gently pry the cover tab away from the chamber cover. Then pull the chamber cover up and away from the chamber (refer to Item 2 in Figure 3). Maintenance Notify all concerned parties before any fire alarm system maintenance or testing and again after test completion.
D285DH | Installation Instructions | 6.0 6.0 Periodic Testing Calibration is very important in determining the detector’s continued operation. Depending on local regulations, the frequency of calibration testing might be required more than once a year. NFPA Standard 72 recommends a calibration test at installation and every other year thereafter. Perform functional testing annually. 6.3 1. Voltage Measurement Test Plug a D1005 Test Cable (optional) into the calibration voltage pins (Figure 4).
D285DH | Installation Instructions | Notes 6 Bosch | 6/04 | 49323C
D285DH | Installation Instructions | Notes Bosch | 6/04 | 49323C 7
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