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Bosch Power Tools DS241 manual

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Table of contents for the manual

  • Page 1

    Installation Instructions DS240 and DS241 Long Range Beam Smoke Detectors 1.0 Description The DS240 and DS241 are long range projected beam type smoke detectors which consist of a separate transmitter and receiver . Internal pointability provides coverage flexibility without the need for brackets. Automatic Signal Synchronization and Range Adjustme[...]

  • Page 2

    Page 2 P/N: 22066P © 2004 Bosch DS240/DS241 Installation Instructions 4. 0 Installation Considerations The proper location and spacing of detectors is critical in a properly installed and operating fire alarm system. For best results, it is recommended that the detectors be located and spaced in accordance with the National Fire Protection Associa[...]

  • Page 3

    DS240/DS241 Installation Instructions © 2004 Bosch P/N: 22066P Page 3 4. 4 Provide a stable mounting surface Beam smoke detectors depend on the measurement of the projected beam to sense smoke. Therefore, shifts in the alignment of the beam due to movement of the transmitter/receiver can cause trouble or alarm conditions. • Always select a stabl[...]

  • Page 4

    Page 4 P/N: 22066P © 2004 Bosch DS240/DS241 Installation Instructions 6.0 WIRING Only apply power after all connections have been made and inspected. • Wire the transmitter and receiver terminals as follows (see Figure 6 ). NOTE: Do not install on verified fire circuits. Figure 6 - Wiring a Single Unit NOTE: Do not coil excess wiring inside the [...]

  • Page 5

    DS240/DS241 Installation Instructions © 2004 Bosch P/N: 22066P Page 5 - If the LED is off, check for the presence of power and proper polarity on T erminals 1 (–) & 2 (+). - A steady green LED indicates a faulty transmitter , and the unit should be returned to the factory . • Check the three receiver LEDs (see Figure 9 ). Red/Alarm Troub l[...]

  • Page 6

    Page 6 P/N: 22066P © 2004 Bosch DS240/DS241 Installation Instructions 7.3 Fine T une Alignment • Connect the supplied TC2000 T est Cable to Pins 1, 2 and 3 of P6, the group of pins located just to the right of the receiver’s terminal strip (see Figure 14 ). Figure 14 - TC2000 Connection - T emporarily disconnect the Remote Indicator Plate conn[...]

  • Page 7

    DS240/DS241 Installation Instructions © 2004 Bosch P/N: 22066P Page 7 T o check the reference voltage, remove the receiver's access door and measure the reference voltage, using the supplied test cable, or measure the voltage at the DIS240 Remote Indicator Plate (if used). If the voltage is less than 3.8 VDC, remove the cover and perform a fi[...]

  • Page 8

    Page 8 P/N: 22066P © 2004 Bosch DS240/DS241 Installation Instructions The Sensitivity T est Kit (supplied) may be used to check the sensitivity of the detectors during installation only . For field testing, the TK240 must be used. Each filter decreases the detector’s signal by a defined amount. When each filter is placed in front of the receiver[...]

  • Page 9

    DS240/DS241 Installation Instructions © 2004 Bosch P/N: 22066P Page 9 9.0 T roubleshooting[...]

  • Page 10

    Page 10 P/N: 22066P © 2004 Bosch DS240/DS241 Installation Instructions 10.0 Installing Multiple Units[...]

  • Page 11

    DS240/DS241 Installation Instructions © 2004 Bosch P/N: 22066P Page 11 11.0 Quick Start Installation Flow Chart[...]

  • Page 12

    © 2004 Bosch 22066P 7/04 130 P er inton P ar kwa y , F air por t, NY 14450-9199 USA Installation Instructions D S240/DS241 Long Range Beam Smoke Detectors Customer Ser vice: (800) 289-0096; T echnical Suppor t (888) 886-6189 Page 12 of 12[...]