PIR application diagram

The diagram illustrates PIR occupancy switch siting within a typical office/factory facility. The coloured zones emanating from the controls show strong detection zones (darker tints with solid coloured line) and secondary detection zones (lighter tint with broken coloured line).

A Long range directional CEDR 6PLR to detect people in the 25 metre corridor.
A Two ceiling flush-mounted CEFL PIR controlling the lights in a meeting room. In this, and other offices, a manual wall switch is retained to override the lights to off, e.g. for a video presentation.
C Small offices are covered by a single ceiling flush-mounted CEFL PIR.
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M Ceiling flush-mounted CEFL PIR spaced every 5 metres to cover the open plan office and control the lights. The CEFL PIR can be wired in groups in parallel, to control the lighting in zones.
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L Ceiling flush-mounted CEFL PIR spaced every 5 metres to cover the open plan reception area and control the lights.
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K Ceiling plug-in CELO mounted on BESA box on ceiling conduit. Spaced at 5 metre intervals to control the lights in the restroom.
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J Ceiling surface-mounted CESF PIR spaced every 5 metres to give total coverage of the open plan factory area.
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D The wall switch has been replaced by a wall mounted WAPIR.
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E Two ceiling surface- mounted CESF PIR (one on each landing) wired in parallel to control the lighting in the stairwell.
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F In the toilets a ceiling flush-mounted CEFL PIR has been wired in parallel with a wall mounted WACE PIR in the lobby, to control the lighting in both rooms together.
G In the shower room a CEFL PIR SEALED is used, as it has protection against light splashes and condensation.
I Long range directional CEDR 6PLR detects people in a racking storage aisle.
H Ceiling directional CEDR 6P covers the open staircase.