Bosch Appliances DS938Z user manual

Summary of the content on the page No. 1

Ceiling Mount
PIR Detector with Self-Test
DS938Z
en Installation Guide
Reading Bosch Security Systems, Inc. Product Date Codes
For Product Date Code information, refer to the Bosch Security Systems, Inc.
Web site at: http://www.boschsecurity.com/datecodes/.
© 2012 Bosch Security Systems, Inc. 130 Perinton Parkway Fairport, NY 14450

Summary of the content on the page No. 2

AR8-13 AR8-13 -29°C to +50°C 7.2 Selecting the Optical Module (-20°F to +120°F ) UL Listed 1. For ceilings between 8 and 13 ft. (2.4 and 4.0 m) from the fl oor, use installations, the optical module marked AR8-13. This marking can be found next to the temperature the two optical module tabs. range is 0°C to +50°C (+32°F to +120°F) 2. For ceilings between 13 and 18 ft. (4.0 and 5.5 m) high, use the optical 0 - 95% Relative Humidity module marked AR13-18. (0 - 85% UL/C-UL Install

Summary of the content on the page No. 3

AR8-13 If the time period selected has elapsed from the last alarm, the LED will 1 Overview fl ash two times and the Trouble Output will activate. The DS938Z is a high performance passive infrared intrusion detector. It is Setting the Motion Monitor timer to shorter periods can be used to force a equipped with advanced PIR detection and supervision circuits and is de- protection walk test of remotely located zones. signed to provide an alarm condition upon detection of an intruder passing thr

Summary of the content on the page No. 4

2 Mounting 6.2 False Alarm Prevention Turn on all heating and cooling sources that would normally be in opera- Select a location likely to intercept an intruder moving beneath and across tion during times of protection. Stand away from the unit and outside the the coverage pattern. Refer to Figure 2.1. Recommended mounting height coverage pattern, then monitor the background noise for at least three range is 8 to 18 feet (2.4 to 5.5 m). minutes. The surface should be solid and vibration-free

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LO HI 18 ON OFF NOTICE! CAUTION! The use of a Sonalert type device (sounder) will provide an audible Be sure all wiring is unpowered (de-energized) before routing. tone during the time the unit is in alarm. Of the three available connec- tor pins, the center pin is positive (+) with respect to either outside pin (outside pins are common (-)). ANTI-T AMPER SCREW HOLE REQUIRED FOR EN50131 Use of the sounder is intended only as an aid for walk testing during INST ALLA TIONS ALARM/TEST LED SOUND

Summary of the content on the page No. 6

} } TROUBLE LED Sensitivity • Standard Sensitivity: Tolerates environment extremes on this setting, but requires the largest amount of intruder motion to achieve an alarm. KEY GUIDE INTERFACE • Intermediate Sensitivity: The recommended setting for most instal- PINS lations. Use in locations where an intruder is expected to cover only a 12345678 small portion of the protected area. Tolerates normal environments on this setting. The detector is shipped in Intermediate Sensitivity mode. – +