A Unistrut channel is secured directly to the underside of an overhead concrete slab to anchor the support assembly. All-thread hangers suspend the projection screen housing from the Unistrut channel, while diagonal seismic restraint hangers provide lateral bracing to the structure above. The projection screen motor connects to a low-voltage control interface and AC power. A finish trim conceals the housing opening as the screen drops down toward the audience.
SUPPORT & BRACING TO STRUCTURE ABOVE. FINISH TRIM, LOW VOLTAGE CONTROL INTERFACE. POWER CONNECTION TO SCREEN MOTOR PROJECTION SCREEN DROPS TO OPERATING POSITION VERIFY THAT PATH OF TRAVEL IS CLEAR OF OBSTRUCTIONS. TO LV CONTROL SWITCH(ES) TO AC POWER ALL-THREAD HANGER TO STRUCTURAL ATTACHMENT PROVIDE SEISMIC RESTRAINT HANGERS UNISTRUT CHANNEL SECURED TO STRUCTURE ABOVE. TOWARDS AUDIENCE CONCRETE SLAB HARDLID
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