ABB Busch E-contact System Manual page 105

Foreign heat sources
Fig. 61: Sources of interference: external heat sources
Rapid temperature changes in the environment of the presence detector may likewise trigger
unwanted activation, e.g.:
Additional fan
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Switching on/off of lamps in the direct vicinity (< 1.5 m) of the presence detector, in
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particular incandescent lamps and halogen lamps
Moving machines
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Swinging posters, etc.
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System Manual 2CKA001473B9577
Information about planning and application
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