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Siemens FD20 Guideline

Siemens FD20
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Combustible liquid fire (TF6)
5.5 Notes
5.5.1 Test fire for heat detectors
z This acceptance test fire should be avoided as far as possible to prevent
potential hazards. Perform point detector tests with the detector tester RE6T.
z When testing heat detectors the ceiling construction and the positioning of
detectors play a major role. Heat must reach the detector.
z In rooms higher than 7m installation of detectors which only respond to heat is
not advisable as they only react to very large fires.
z In rooms with a high air exchange rate, test fires must be individually planned.
5.5.2 Test fires for flame detectors
z When testing flame detectors ensure that there is a direct "line of sight" between
the detector and the acceptance test fire
z For flame detectors type FDF241 and FDF221 the maximum distance between
the detector and fire is limited to 100m.
5.5.3 Minimum room height
Excessively large test fires can cause damage. For this reason an acceptance test
fire may only be performed if the specified, minimum room height is complied with.
Information on the minimum room height is given in Figure 7.
In addition to the minimum room height, the required distance from the fire to the
walls and combustible materials must be observed.
20
16
12
8
4
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
1
2
3
Fig. 7 Minimum permissible room height
Legend
1 Minimum room height [m] 3 Test fire too large!
2 Container surface [m
2
]
PERSONNEL
Only entrust reliable and experienced personnel with such fires!
Assigned personnel must be trained to handle extinguishing equipment for
extinguishing combustible liquid fires!
20
Building Technologies 009977_b_en.doc
Fire Safety & Security Products 10.2007

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Siemens FD20 Specifications

General IconGeneral
BrandSiemens
ModelFD20
CategorySecurity Sensors
LanguageEnglish

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