System Sensor DH500ACDC Installation And Maintenance Instructions Manual Download

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D500-07-00

I56-432-11R

2001 System Sensor

DETECTOR TEST LOG

Detector Identification Information

Manufacturer and

Serial

Date

Detector Model:______________________ Number: ______________________ Installed: ___________________

Description of Detector Location:

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Test Results and Maintenance Data

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Maintenance

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Summary of Contents for DH500ACDC

Page 1: ...d in place to initiate an alarm 24V output maximum load is 80 mA auxiliary alarm output maximum load is 20 mA Auxiliary Relay Contacts Minimum contact current must be greater than 500 mA at 24 VDC 10 amps maximum at 30 VDC 10 amps maximum at 250 VAC General Description An HVAC system supplies conditioned air to virtually every area of a building Smoke introduced into this air duct sys tem will be ...

Page 2: ...SUPPLIED SEPARATELY EXHAUST FILTER ADAPTER DETECTOR BASE INLET SAMPLING TUBE SUPPLIED SEPARATELY O RINGS FOAM GASKETS HOUSING MOUNTING SCREWS TEST MAGNET TUBE END PLUG H0309 00 Installation Sequence Page Step 1 Verify duct air flow direction and velocity 2 Step 2 Drill the mounting holes 2 Step 3 Mount duct housing 3 Step 4 Install the inlet tube 3 Step 5 Complete the field wiring 5 Step 6 Install...

Page 3: ...ets over sam pling tube bushings SCREW HOLES FOR ATTACHING DETECTOR HOUSING TO DUCT FOAM GASKETS EXHAUST TUBE EXTENSION BUSHING DUCT DETECTOR HOUSING O RINGS MOUNTING SCREWS SAMPLING TUBE BUSHING H0117 00 INLET TUBE END PLUG AIR HOLES ARROWS MUST FACE INTO AIR FLOW AIR FLOW DIRECTION FLANGE Step 4 Install The Inlet Tube The inlet tube shown in Figure 3 is identified by a series of air inlet holes ...

Page 4: ...ION EXHAUST TUBE INLET TUBE INLET TUBE EXHAUST TUBE DETECTOR HOUSING AIR FLOW DIRECTION EXHAUST TUBE INLET TUBE DETECTOR HOUSING A B C D HORIZONTAL MOUNTING OF HOUSING VERTICAL MOUNTING OF HOUSING Figure 4 Tube mounting configurations with varying air flow direction and orientation of detector housing Vertical as well as horizontal mounting is acceptable H0109 00 Install the inlet tube as follows ...

Page 5: ...mping plate screw The DH500ACDC is built for 120 240 VAC or 24 VAC DC to operate auxiliary functions See Figure 5A for operating and wiring details Notes on Jumper Wire J5 See Figure 5A 1 When the detector is used in a 4 wire application relay circuit is being used to control fans dampers etc jumper wire J5 located between the two terminal strips on the printed circuit board must be cut to insure ...

Page 6: ...N THE DH500ACDC TEST RESET NOT USED 4 5 6 7 8 9 10 11 12 13 14 15 16 17 COMMUNICATION LINE FROM PANEL COMMUNICATION LINE TO REST OF SYSTEM NOTE FOR POWER SUPPLY WIRES POLARITY IS NOT IMPORTANT ALWAYS RUN AUXILIARY CONTROL WIRING IN SEPARATE CONDUIT J5 K2 1 2 3 24 VAC 24 VDC 240 VAC 120 VAC NOTE JUMPER WIRE J5 IS REQUIRED TO BE INTACT FOR 2 WIRE APPLICATIONS ONLY CUT J5 FOR 4 WIRE POWER SUPERVISION...

Page 7: ...n The RTS451 RTS451KEY Remote Test Station facili tates testing of the duct detector alarm capability The DH500ACDC duct detector cannot be reset by the RTS451 RTS451KEY It must be reset at the system con trol panel To install the RTS451 RTS451KEY test coil connect the device as shown in Figure 9 Place the coil in the detector housing with the arrow facing up and pointing toward the detector as in...

Page 8: ... DETECTOR HEAD RESET LOCATOR TWIST COUNTERCLOCKWISE TO REMOVE DUCT HOUSING TWIST CLOCKWISE TO INSTALL DETECTOR HEAD Figure 7 Testing detector alarm Figure 8 Detector head removal H0244 00 H0243 00 DETECTOR HEAD TEST COIL Figure 9 RTS451 RTS451KEY Test Coil Installation H0245 0 It is recommended that a permanent Detector Test Log be set up and maintained with a record for each individual smoke dete...

Page 9: ...moval easier 10 Carefully pull the screen out of the cover 11 Clean the screen thoroughly with a soft brush or vacu um cleaner replacement screens part no RS14 12 Brush or vacuum the inside of the cover The cover may then be blown out using clean compressed air 13 Vacuum the sensing chamber before using clean compressed air to loosen and blow out any remaining debris 14 Press the screen back into ...

Page 10: ...d need to come directly from the con trol panel or by using control modules 2 The duct control circuitry auxiliary relay contacts and auxiliary alarm output may change states if the sensor is tested and the LED is turned on for more than 4 sec onds If the LED is latched on for less than 4 seconds the control circuitry of the DH500ACDC will NOT oper ate 3 The panel must not poll the same unit for m...

Page 11: ...send defective units postage prepaid to System Sensor Repair Department RA __________ 3825 Ohio D500 07 00 11 I56 432 11R Please refer to insert for the Limitations of Fire Alarm Systems Three Year Limited Warranty Avenue St Charles IL 60174 Please include a note describing the mal function and suspected cause of failure The Company shall not be obli gated to repair or replace units which are foun...

Page 12: ...___ _ __________ _______________________ _______ _ _________ _______ _ __________ _______________________ _______ _ _________ _______ _ __________ _______________________ _______ _ _________ _______ _ __________ _______________________ _______ _ _________ _______ _ __________ _______________________ _______ _ _________ _______ _ __________ _______________________ _______ _ _________ _______ _ ____...

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