System Sensor DNRHS Installation And Maintenance Instructions Manual Download | Manualshive

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SS-400-006

7 I56-3535-002R

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Summary of Contents for DNRHS

Page 1: ... a building s regular fire detection system System Sensor supports this position and strongly recommends that the user read NFPA Standards 90A 72 and 101 The DNRHS Air Duct Smoke Detectors are listed per UL 268A This device will not operate without electrical power Fire situations may cause an interruption of power The system safeguards should be discussed with your local fire protection specialis...

Page 2: ...on the duct 4 3 1 For rectangular side by side mounting configuration Center punch at 4 target centers 2 A for sampling tubes and 2 B for the rectangular configuration mounting tabs as shown on mounting template Drill pilot holes at target A centers and cut two 1 375 inch diameter holes using a 13 8 inch hole saw or punch Drill 156 inch diameter holes using a 5 32 inch drill at target B centers 4 ...

Page 3: ...isture drainage away from the detector The sampling tube should be angled at least 1 4 downward for every 12 of duct width There should be 10 to 12 holes spaced as evenly as possible across the width of the duct If there are more than 2 holes in the section of the tube extending out of the duct select a shorter tube using Table 1 Otherwise trim the tube to leave approximately 1 to 2 inches extendi...

Page 4: ...ctors as recommended in NFPA 72 The tests contained in this manual were devised to assist maintenance personnel in verification of proper detector operation Before conducting these tests notify the proper authorities that the smoke detection system will be temporarily out of service Disable the zone or system under test to prevent unwanted alarms 8 4 1 Test THE UNIT 1 M02 04 00 Magnet Test not inc...

Page 5: ...Ds to align the cover and then gently pushing it until it locks into place 8 Reinstall the detector 9 2 Reinstallation 1 Reinstall the detector in its housing 2 Restore system power 3 Perform Detector Check 4 Notify the proper authorities testing has been completed and the smoke detector system is back in operation 10 Sensor Replacement 1 Remove the sensor head by rotating counterclockwise 2 Pull ...

Page 6: ...for a Return Authorization number send defective units postage prepaid to System Sensor Returns 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 replace units which are found to be defective because of damage unreasonable use modifications or alterations occurring afte...

Page 7: ...SS 400 006 7 I56 3535 002R ...

Page 8: ...ETECTOR TEST LOG Detector Identification Information Manufacturer Detector Model Serial Number Date Installed Description of Detector Location The Results and Maintenance Data Date Tested Test Description Test Results Maintenance Performed Comments ...

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