Bosch Appliances DS794Z user manual

Summary of the content on the page No. 1

• Trouble Output: A solid state open collector shorts to ground (-)
Installation Instructions
when the detector is in a trouble condition. Maximum current load
DS794Z Long Range Passive Infrared
is 25 mA.
Intrusion Detector with Self-test
Trademark names are used throughout this document. In most cases,
• Temperature: The storage and operating range is -20° to +120°F
these designations are claimed as trademarks or registered trademarks in
(-29° to +49°C). For UL Listed Requirements, the range

Summary of the content on the page No. 2

3.1 Bracket Mounting • Thread the bracket wiring through the stud and along the wiring channel in the detector’s base to the area of the circuit board’s NOTE: The use of the B334 Mounting Bracket (included) is strongly terminal strip. recommended when installing this detector. • Return the circuit board to its base. Slide the back of the circuit board Because variations exist in the surfaces of most mounting walls, most under the tabs at the back of the base, then snap the front into place. unit

Summary of the content on the page No. 3

The supervision features function as follows: 5.0 Configuration Switch Settings The DS794Z has several features that are controlled using the • PIR: The operation of the PIR is electronically checked approximately configuration switches. every 12 hours. If the PIR fails, the Alarm/Test LED will flash 4 times and the Trouble Output will activate. OFF CONFIGURATION ON SWITCHES • Motion Monitor Supervision: This feature verifies that the detector 1 2 3 4 5 has a clear view of the detection area.

Summary of the content on the page No. 4

8.0 Final Tests 10.0 Coverage Patterns NOTE: Meter readings are very important in determining back ground disturbance levels and catch margin sensitivity. TOP VIEW 0 METERS 24 30 • Connect a 20,000 ohm/volt (or greater) DC VOM to the Noise Voltage Mirror to Pattern A Reference connector pins as shown. Set meter scale for about 3 VDC. Route 20 K F meter wiring through the slot in the base. (Use of the TC6000 is B 10 recommended, but is not essential for meter use.) I FI J A G C 0 K G H • Th