Safetec SDS-2/6, Additional Fault Finding Instructions

Page 1: ...1339 Lüneburg Germany Tel 49 4131 7670 200 Fax 49 4131 7670 201 Contents Fault Finding Table Quick Reference Fault Finding of Airflow Faults Fault Finding of Data Transfer Faults Fault Finding of Smoke Detector Faults Problems with Fuses on Power Supply Module Drawings Wiring Diagram Smoke Detectors Airflow Indicators Zener Barriers BG01 724 Configuration Tables SDS01 100 80 SDS01 100 88 ...

Page 2: ... section 6 different device nos to the system components is listed on the Cable connection to device x RS 485 Bus is incorrect Check cable connection rear side of the door of the smoke detection panel Device x is defective Replace device x only fire alarm panel FAULT Data Transfer Fuse in repeater panel is defective 1 Eliminate fault 2 Exchange fuse Connection RS 485 Bus at repeater panel is incor...

Page 3: ... contrast intensity at the adjustable resistor on the rear side of indication control module LCD does not display any information all fields are dark High electrostatic discharge upon the display Switch off Smoke Detection System shortly by quickly pulling out Fuse F1 on power supply module Fan units with v belt only Fan unit too loud Tension of v belt incorrect Adjust tension of v belt ...

Page 4: ...inations of the electrical wiring and components please refer to drawing no BG01 720 4 Please note that airflow indicators for line 1 3 are connected to terminal nos 33 34 and airflow indicators for line 4 6 are connected to terminal nos 35 36 at the detector interface module Check the wiring between resistor PCB and appropriate zener barrier Check the wiring between resistor zener barrier and det...

Page 5: ...e Ω Resistor PCB at terminal nos 47 48 without Zener Barrier Ω 1 2 and 3 1044 784 2 and 3 1174 914 1 and 3 1357 1097 3 1631 1371 1 and 2 2087 1827 2 3001 2741 1 5741 5481 No airflow Values for line nos 4 6 are corresponding Table 2 If the measured values are not correct compared to table 2 disconnect the wires of the zener barrier and measure the resistance of the zener barrier between terminal no...

Page 6: ...The address no of a component serves for internal and external identification of a component In case of a fault the component with the address x will be displayed as Device x on the LC display The no of slaves to be called by the master must be adjusted by a rotary switch at the rear side of the indication control module in the smoke detection panel The bus cable supplies electrical power for the ...

Page 7: ...re whether the connection is correct please proceed as follows Go to the smoke detection panel and disconnect the wires to terminal nos 19 20 from the cable which connects the repeater panel Switch on power supply Go to the repeater panel and find out the wires which carry 24V 20 28 V Connect the plus pole to terminal no 17 and the minus pole to terminal no 18 in the repeater panel When power is o...

Page 8: ...ponents To locate this fault please disconnect all bus cables in the smoke detection panel As a result the fault indication for Device 1 should disappear because this component detector interface module in smoke detection panel is connected internally to the master Reconnect Device 2 Let all other components be disconnected Now the fault indication for Device 2 should disappear However if again al...

Page 9: ...intrinsically safe operation Fault Indication FAULT Smoke Detector Line x Please check the following Smoke detector in line x is inserted in its base Smoke detector in line x has the correct ID no The ID No of this smoke detector has not been assigned to any other smoke detector in this smoke detection panel extension unit Fault Indication FAULT Smoke Detector Dirt in Line x The smoke detector in ...

Page 10: ...isconnect the zener barrier and measure the resistance between 5 and 8 If a short circuit will be indicated the zener barrier must be replaced If no short circuit has been found in the zener barrier the short circuit must be located in the wiring of the smoke detectors Please note that all smoke detectors are connected in one line Remove all smoke detectors in this panel No short circuit may be me...

Page 11: ...pping lugs of outer protection cap and remove outer protection cap Smoke detector from below 2 Remove PCB by carefully pushing back snapping lugs 3 Remove detection chamber by carefully pushing back snapping lugs PCB from below 4 Open labyrinth by carefully pushing back three snapping lugs Labyrinth from below ...

Page 12: ...enses of the photo diodes may be cleaned with a mild soap solution or with isopropyl alcohol Polish the lenses of the photo diodes with a smooth cloth PCB with photo diodes 7 Reassemble labyrinth snap the detection chamber onto the PCB Ensure that the different recesses for the photo diodes are placed correctly Ensure that the snapping lugs are snapped completely over the PCB otherwise fire alarm ...

Page 13: ...art system again If fuse does not break again please examine the bus cable to locate the short circuit F5 F6 Short circuit in fan unit no 1 Please disconnect cable for fan no 1 at terminal nos 5 and 6 and start system again If fuse does not break again please examine the cable and fan motor no 1 to locate the short circuit F6 F7 Short circuit in fan unit no 2 Please disconnect cable for fan no 2 a...

Page 14: ...m 1 Smoke Detector Line Airflow Line 4 6 5 8 1 4 2V 14V Zener Barriere for Airflow Indicator Line 4 6 corresponding to Line 1 3 130 130 Zener Barrier Z967 Upper Enclosure Detection Unit Hazardous Area Lower Enclosure Evaluation Unit Safe Area Smoke Detectors BH 31A Ex max 6 Contacts of airflow detector shown in fault position no airflow 15V Airflow Line 1 3 Airflow Indicator Line 1 3 Line 4 6 corr...

Page 15: ...tector Interface Module Indication Control Module Setting equal to No of Lines connected to the Smoke Det Panel End of Line Resistors not required SDS01 100 80 1 1 1 Configuration Table for Smoke Detection System SDS 2 6 without Extension Unit and without Repeater Panel Smoke Detection Panel SDS 2 6 ...

Page 16: ...etting equal to No of Lines connected to the Smoke Det Panel Indication Control Module Repeater Panel Connect End of Line Resistors 120 Ohm to Terminal 19 20 in Smoke Det Panel and Repeater Panel SDS01 100 81 2 1 2 1 Smoke Detection Panel SDS 2 6 Configuration Table for Smoke Detection System SDS 2 6 without Extension Unit but with one Repeater Panel ...

Page 17: ...ater Panel No 2 Detector Interface Module Indication Control Module Setting equal to No of Lines connected to the Smoke Det Panel Repeater Panel No 1 Repeater Panel No 2 Indication Control Module Indication Control Module SDS01 100 82 2 3 1 1 3 Smoke Detection Panel SDS 2 6 Configuration Table for Smoke Detection System SDS 2 6 without Extension Unit but with two Repeater Panels ...

Page 18: ...ke Detection Panel and Extension Unit Detector Interface Module Indication Control Module Detector Interface Module Setting equal to No of Lines connected to this Extension Unit SDS01 100 83 1 1 6 2 2 Smoke Detection Panel SDS 2 6 Extension Unit SDS E2 E6 Configuration Table for Smoke Detection System SDS 2 6 without Extension Unit and without Repeater Panel ...

Page 19: ...etting the Rotary switch Legend Cablework for Interconnection Indication Control Module Repeater Panel Connect End of Line Resistors 120 Ohm to Terminal 19 20 in Extension Unit and Repeater Panel SDS01 100 84 3 2 3 6 1 1 moke Detection Panel SDS 2 6 Extension Unit SDS E2 E6 Configuration Table for Smoke Detection System SDS 2 6 with one Extension Unit and one Repeater Panel ...

Page 20: ...l to No of Lines connected to this Extension Unit Value for Setting the Rotary switch Connect End of Line Resistors 120 Ohm to Terminal 19 20 in Extension Unit and Repeater Panel No 2 Legend Cablework for Interconnection SDS01 100 85 1 1 6 4 2 4 3 moke Detection Panel SDS 2 6 Extension Unit SDS E2 E6 Configuration Table for Smoke Detection System SDS 2 6 without Extension Unit and with two Repeate...

Page 21: ...tector Interface Module Setting equal to No of Lines connected to this Extension Unit Connect End of Line Resistors 120 Ohm to Terminal 19 20 in Smoke Det Panel and Extension Unit No 2 1 1 6 3 2 6 3 Smoke Detection Panel SDS 2 6 Extension Unit SDS E2 6 No 1 Extension Unit SDS 2 6 No 2 Configuration Table for Smoke Detection System SDS 2 6 with two Extension Units but without Repeater Panel ...

Page 22: ...ule Detector Interface Module Repeater Panel Setting equal to No of Lines connected to this Extension Unit Connect End of Line Resistors 120 Ohm to Terminal 19 20 in Extension Unit No 2 and Repeater Panel 6 1 4 1 2 6 3 4 moke Detection Panel SDS 2 6 Extension Unit SDS E2 E6 No 1 Extension Unit SDS E2 E6 No 2 Configuration Table for Smoke Detection System SDS 2 6 with two Extension Units and one Re...

Page 23: ...nected to this Extension Unit Connect End of Line Resistors 120 Ohm to Terminal 19 20 in Extension Unit No 2 and Repeater Panel 6 1 1 2 6 3 SDS01 100 88 Indication Control Module 4 Indication Control Module 5 Repeater Panel No 1 2 5 08 09 98 kb moke Detection Panel SDS 2 6 Extension Unit No 2 Extension Unit No 1 Configuration Table for Smoke Detection System SDS 2 6 with two Extension Units and wi...