POINT TYPE FLAME DETECTOR "ALMAZ"
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sealant. In case of outdoors installations FD should be mounted under cover (for
precipitation protection).
7.13.
When FD is mounted on the properly installed base, position it in the direction of a
possible place of fire. To determine the area, controlled by FD in guarded premises use the
data from Appendix F.
7.14.
After the installation of fire alarm system is complete check its performance
according to the passport for alarm control unit and this FD. Provide actuation of FD using
simulators of flame.
7.15.
During the repair works in areas with installed FD, it should be provided with
protection from mechanical damage and contact with building materials (whitewash,
paint, cement dust, etc.).
POINT TYPE FLAME DETECTOR "ALMAZ"
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8. TECHNICAL MAINTENANCE
8.1.
Technical maintenance
8.1.1. The maintenance for the fire alarm systems should be done regularly, at least once
a month, checking the FD operation. Failure to comply with this requirement
manufacturer is not responsible for the operation.
8.1.2. Clean the glass surface of the aperture element of FD from dust and wipe it with a
cloth moistened with industrial alcohol on the basis of 3 g of industrial alcohol per 0.04 m2
of rags per 10 FDs. Then check the FD operation in the fire alarm system in the following
sequence:
-
Switch the receiver into control mode according to the Passport;
-
Light a paraffin candle
Ǿ
25 mm and the flame height of (3
÷
4) cm;
-
Hold a candle to the sensor at a distance of (0,5 ± 0,01) m from the audited FD;
-
Check the triggering of the FD by the switching of its LED with not more than 5
seconds after exposing it to ultraviolet radiation of calibration device and after the input
of "Fire" signal by the receiver;
-
Extinguish a candle and switch the FD into the standby mode.
Fig. 8.1.
FD - flame detector;
PS - Power Supply DC 12V with a current load of at least 50 mA;
A - ammeter for direct current of up to 50 mA measurement;
IL - incandescent lamp 100 W x 220;
"+" and "-" FD contacts;
UV - ultraviolet radiation, which is emitted by candle flame;
BGND - background illumination, created by an incandescent lamp.
