EN 21
Installation Considerations
Proper location of detection devices is one of the most critical factors in a fire alarm system.
Here are some general considerations:
•Do not install smoke detectors in “dead air” spaces or close to ventilating or
•Avoid areas subject to normal smoke concentrations such as kitchens, garages, or near fireplaces.
•Do not install smoke detectors where normal area temperatures are above 38 °C (100 °F) or below 0 °C (32 °F).
•Avoid areas of high humidity and dust concentrations.
•Install
•Place the top edge of wall mounted detectors from 10 to 30 cm (4 to 12 inches) from the ceiling.
Figure 4: Smoke Detector Installation
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1 | – Rec Room | 4 | – Bedroom |
2 | – Dining Room | 5 | – Living Room |
3 | – Kitchen | * – Smoke Detector | |
Install smoke detectors between sleeping areas and family living areas.
7.9Emergency Keypad Alarms/ Silencing Alarms
The Emergency Alarm Keys [
], [
], and [
] can generate Fire, Special Emergency, and Panic Alarms if programmed by the installer. Ask your installing company to explain the function of these keys. To use an Emergency Key, you must press the button for two seconds to generate an alarm. Use the Disarming Command Sequence to cancel or silence these alarms.
If the Emergency Alarm Keys are to be used, label the keys to signify their functions.
Label the
Label the middle key as the Special Emergency key.
Label the
On RF keyfobs, the Panic signal is sent to your security system when two keys are held down simultaneously for at least three seconds.
Figure 5: Emergency Keypad Alarms |
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Status | Supervisory | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Status |
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Power | Bell Silenced |
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Fire | Trouble | 9 | 10 11 12 13 14 15 16 | Fire |
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| Bypass | * | 0 | # | Bypass |
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1 – Emergency Keys |
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Bosch Security Systems 6/05 4998154961B
