System Sensor DH500 Installation And Maintenance Instructions Manual Download

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D500-08-00

I56-512-07R

DETECTOR TEST LOG

Detector Identification Information

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Serial

Date

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Description of Detector Location:

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Test Results and Maintenance Data

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Summary of Contents for DH500

Page 1: ...ng hazardous condition When sufficient smoke is sensed an alarm signal is initiated at the fire control panel monitoring the detector and appropriate action can be taken to shut off fans and Specifications Length 14 5 inches 36 7 cm Width 5 inches 12 7 cm Depth 3 5 inches 8 9 cm Weight 2 8 lbs 1 1 kg Operating Temperature Range 32 to 120 F 0 to 49 C Operating Humidity Range 10 to 93 Relative Humid...

Page 2: ...tial pressure gauge or their equivalent may be used to check the air velocity in the duct A78 2093 00 SAMPLING TUBE FILTERS CONDUIT HOLES DUCT DETECTOR HOUSING TERMINAL STRIP DUCT DETECTOR COVER SAMPLING TUBE MOUNTING SCREWS DETECTOR HEAD SUPPLIED SEPARATELY EXHAUST FILTER ADAPTER DETECTOR BASE INLET SAMPLING TUBE SUPPLIED SEPARATELY O RINGS FOAM GASKETS HOUSING MOUNTING SCREWS TEST MAGNET TUBE EN...

Page 3: ...ations of tube mounting configurations with respect to air flow A Installation for Ducts Less Than 8 Feet Wide 1 If the inlet tube is longer than the width of the air duct drill a 3 4 inch hole in the duct directly opposite the hole already cut for the inlet tube If the inlet tube is shorter than the width of the air duct install the end cap into the inlet tube see Figure 3 2 Slide the inlet tube ...

Page 4: ...rted by other means WARNING AIR FLOW DIRECTION DUCT DETECTOR HOUSING DOTS INDICATE POSITION OF SAMPLING TUBE HOLES AIR FLOW DIRECTION DUCT DETECTOR HOUSING INLET TUBE EXHAUST TUBE AIR FLOW DIRECTION INLET TUBE EXHAUST TUBE INLET TUBE EXHAUST TUBE DUCT DETECTOR HOUSING AIR FLOW DIRECTION EXHAUST TUBE INLET TUBE DUCT DETECTOR HOUSING Figure 4 Tube mounting configurations with varying air flow direct...

Page 5: ...nder the plate and tightening the clamping plate screw Step 6 Install the Filters Most duct installations are subject to dust accumulation System filters remove a large percentage of this contamina tion but cannot remove all of it Dust inside the duct detec tor causes problems First very fine particles of dust can enter the detector sensing chamber and cause the unit to go into alarm Second the ac...

Page 6: ... UNIT 95mA CURRENT DRAW 4 5 3 2 1 Unused Remote Test RA400Z RTS451 RTS451KEY RA400Z or RTS451 RTS451KEY Comm Line Comm Line Alarm Initiation Loop Comm Line UL Listed Control Panel 1st Detector in Loop 2nd Detector in Loop The RTS451 RTS451KEY test coil circuit requires an external 24VDC power supply which must be UL listed Figure 5C System wiring diagram for duct detectors using a UL listed contro...

Page 7: ...not sense smoke in the air duct 7 2 Alarm Tests Before replacing the duct housing cover the detector inter connections should be checked The DH500 may be checked as follows A M02 04 00 Magnet Test 1 Make sure power is applied to the detector 2 Place the painted surface of the test magnet against the housing next to the rib molded onto the outside of the housing see Figure 7 3 The LEDs on the detec...

Page 8: ...n their prop er positions Tighten the four cover screws to 10 in lbs Step 9 Perform the Final System Check Place the magnet in position as shown in Figure 7 The LEDs on the detector should light Any accessory LED s will also light The system control panel should indicate an alarm condition Periodic Maintenance Requirements Air duct smoke detectors should be maintained at least once a year They sho...

Page 9: ...n by aligning arrow on top with the field test slot on the base of the detector Push screen into place Screen should fit tightly to chamber Ionization Units 9 Remove the detector cover and screen assembly by depressing the three lock prongs on the top of the cover and rotating the cover counterclockwise The CRT400 Cover Removal Tool makes cover removal easier See Figure 11 10 Carefully pull the sc...

Page 10: ...mote LED RA400ZA Remote Test Station RTS451 RTS451KEY Piezo Alert Sounder PA400 Replacement Filters F36 05 00 Magnet M02 04 00 End Plug For Sampling Tube P48 21 00 Installation Kit Parts bag A2650 01 Ionization Replacement Screen RS14 Sensitivity Test Kit MOD400 Ionization Cover Removal Tool CRT400 Programming Specifications Requirements for Intelligent System Control Panels The 1551 and 2551 mode...

Page 11: ... 7672 for a Return Authorization number send defective units postage prepaid to System Sensor Repair 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 repair or replace units which are found to be defective because of damage unreasonable use modifications or alterations...

Page 12: ...___________ ______________________________ ________ ____________ ________ ______________ ______________________________ ________ ____________ ________ ______________ ______________________________ ________ ____________ ________ ______________ ______________________________ ________ ____________ ________ ______________ ______________________________ ________ ____________ ________ ______________ ___...

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