INS154-7 12/17
3.0 Safety
All strobes produce hazardous voltages. However, the unit includes dual circuit
safety interlocks. When the strobe is de-activated it invokes a final flash to
discharge the high voltage. Back-up circuitry guarantees discharge of the high
voltage within 3 minutes.
For your own safety be sure to observe the following precautions when installing
and servicing the unit:
NEVER remove the cover when the strobe is flashing.1.
WAIT 3 Minutes after the strobe stops flashing before removing the cover.2.
AVOID touching the part of the PCB labelled "Warning High Voltage" 3.
! The unit incorporates software which disables the strobe whilst the
tamper switch remains open. This is a safety feature and cannot be disabled.
! The piezo drive produces high voltages when the siren is sounding. While
not directly hazardous, these voltages will cause discomfort and should be
avoided, particularly when using tools or a ladder.
! The piezo transformer TF1 and surrounding components will be hot
during and after sounding. While not directly hazardous, contact when hot
will cause discomfort and should be avoided, particularly when using tools or
a ladder.
Failure to observe the following precautions regarding the battery could
lead to the danger of heating, ignition or explosion:
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