Siemens Industry, Inc.
Building Technologies Division
13
P/N 315-049708-5
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The FP-11/-11C, HFP-11 and HFPO-11 detectors can also be
tested individually using the DPU. Refer to the DPU Manual,
P/N 315-033260. The SFP-11 and SFPO-11 detectors can be
tested individually using the SDPU. Refer to the SDPU
Manual, P/N 315-033260C.
MAINTENANCE
The performance of the air duct detector unit may be
adversely affected by dirt or foreign matter on the sampling
tubes or detector. If the air holes in the input sampling tube
become restricted, the unit cannot receive a proper air
sample, and performance is impaired. It is recommended
that the sampling tubes be checked and cleaned periodically.
The detector maintenance program should consist of
periodic cleaning of dust from the detector head by using a
vacuum cleaner. For cleaning Models PE-11, PE-11C, FP-11,
FP-11C, HFP-11, HFPO-11, SFP-11 or SFPO-11, refer to the
detector’s Installation Instructions (See Table A).
The cleaning and test program is recommended for 6 month
intervals, or more frequently, if needed, depending on the
individual detector environment. Consult your local code and
AHJ requirements for required maintenance schedules.
Under
Under
Under
Under
Under no circumst
no circumst
no circumst
no circumst
no circumstances is the det
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ector por
por
por
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portttttion of the unit
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ion of the unit
ion of the unit
ion of the unit
to be disassembled by an
to be disassembled by an
to be disassembled by an
to be disassembled by an
to be disassembled by anyyyyyone other
one other
one other
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than an authoriz
than an authoriz
than an authoriz
than an authorized
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If the fire alarm sy
If the fire alarm sy
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em is connect
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ernal devices suc
ernal devices suc
ernal devices suc
ernal devices such as fans,
h as fans,
h as fans,
h as fans,
h as fans, ext
ext
ext
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extin-
in-
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guishers,
guishers,
guishers,
guishers,
guishers, etc.,
etc.,
etc.,
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connect
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connected,
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not
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notify appropriat
ify appropriat
ify appropriat
ify appropriat
ify appropriate personnel and
e personnel and
e personnel and
e personnel and
e personnel and
disconnect the ext
disconnect the ext
disconnect the ext
disconnect the ext
disconnect the external devices unt
ernal devices unt
ernal devices unt
ernal devices unt
ernal devices until all t
il all t
il all t
il all t
il all tests are complet
ests are complet
ests are complet
ests are complet
ests are completed.
ed.
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Af
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reset the sy
reset the sy
reset the sy
reset the syst
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stem,
em,
em,
em,
em, reconnect the devices,
reconnect the devices,
reconnect the devices,
reconnect the devices,
reconnect the devices, and not
and not
and not
and not
and notify
ify
ify
ify
ify
the personnel that the sy
the personnel that the sy
the personnel that the sy
the personnel that the sy
the personnel that the syst
st
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stem is operat
em is operat
em is operat
em is operat
em is operating ag
ing ag
ing ag
ing ag
ing again.
ain.
ain.
ain.
ain.
