BHH-520/EX
Autronica BHH-520/EX — Multisensor detection - intrinsically safe heat and smoke detector.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Visual inspection of detector exterior and lens/chamber areas; vacuum cleaning with brush attachment for light dust, cloth with mild detergent solution for housing
Visual verification of transparency and clarity of optical elements; test flame detector coverage and range verification using coverage verification systems
Verify removal of all dust caps and construction covers; inspect for debris or paint spray coverage; clean detector chambers if contaminated before returning to service
Verify correct voltage (10-27 VDC typical), test communication signals to fire panel, verify no loose connections or corrosion at terminals
Verify automatic daily self-test execution (24-hour cycle), confirm alarm panel receives SelfVerify status reports, check that sensitivity is within listed parameters
Type-general inspection and maintenance points for this equipment category — not model-specific.
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