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System Planning
Installation Precautions
Make sure that all windows and doors are secure, and do not need repair,
before installing the system. Insecure doors and windows can cause false
alarms. Make sure there are no pets or movement (for example flapping cur-
tains) which will trigger any movement detectors. Where possible fit locks to
the ground and upper floor windows. This makes an intruder spend more time
gaining entry than they would like to. By taking these precautions you can
make the alarm system simpler and more effective.
Locating the Panel
Site the panel in a safe unobtrusive position near a mains supply, and within
the protected area. Make sure the user can reach and see the panel easily in
order to turn it on and off. Make sure the user can reach the final door from
the panel within the chosen entry and exit times, and hear the exit sounder.
You can fit an extension speaker to extend the range of the tones.
Locating the External Bell
Fit the external bell unit as high as possible to make sure an intruder cannot
interfere with it. Make sure the unit can be seen and heard easily. Do not
place the unit facing heavy traffic or a railway line, which will drown the
sound of the bell. Make sure the wiring for the bell/strobe unit goes through
the wall directly behind its case, do not run surface wiring.
Locating a Dummy Bell Casing
You can fit dummy bell housings to other sides of the building to show the
house is protected. These housings are identical to to the real unit but do not
contain any equipment.
Installation Example
Figures 3 and 4 on the next pages show an alarm system fitted to a typical
house with ground and upper floors.
Ground Floor
Figure 3 shows door contacts fitted to front and back doors and connected to
zone 1. The panel will not set if a contact is open, prompting the user to check
and close doors and windows. A PIR connected to zone 2 is used to protect
the hallway.
PIRs protect the lounge (zone 3), and the dining room (zone 4). These are
Normal Alarm zones. A remote keypad is mounted by the front door.
7
496219 Issue 1
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