Technical Manual: ST-PY-AS - 000026 (Changes are subject to DCRN)
The maintenance procedures described below should be conducted
with the following frequency:
One month after installation:
Routine Inspection and every 3
months after.
Every 6 months:
Operational Test.
Every 12 months:
Functional Test and Cleaning.
All above frequencies of maintenance are dependent on ambient
conditions.
Routine Inspection
i) Ensure the sensor head is secure and undamaged.
ii)Check the smoke entry apertures are in no way obstructed.
iii)Ensure that the surface of the sensor's outer cover is clean. If
there are deposits due to the presence of oil vapour, dust etc, then
the sensor should be cleaned in accordance with the cleaning
instructions detailed later in this manual. It may be advisable to
ensure that such cleaning is conducted regularly in future.
iv)Ensure that no equipment which may generate excessive heat has
been installed in the vicinity of the sensor since the last routine
inspection. If such equipment has been installed, then you should
notify the Fire Safety Officer or other competent authority that its
presence may cause false alarms.
v) Ensure no equipment which may generate combustion products or
fine airborne particles has been installed in the vicinity of the
sensor since the last routine inspection. If such equipment has been
installed, then you should notify the Fire Safety Officer or other
competent authority that its presence may cause false alarms.
NISM/STPYAS/02
Date:
16.04.09
Issue:
2
• sensortec • ST-PY-AS
• analogue addressable photoelectric sensor
instruction manual
sensortec
sensortec
4